Publications

2024

Cornara, D., Bojanini, I., Fereres, A. and Almeida, R.P.P. 2024. Definitive elucidation of the inoculation mechanism of Xylella fastidiosa by sharpshooter leafhoppers. Entomologia Generalis, in press.

Abdelrazek, S., Bush, E., Oliver, C., Liu, H., Sharma, P., Johnson, M.A., Donegan, M.A., Almeida, R.P.P., Nita, M. and Vinatzer, B.A. 2024. A survey of Xylella fastidiosa in the US state of Virginia reveals wide distribution of both subspecies fastidiosa and multiplex in grapevine. Phytopathology 114: 35-46. PDF

Voncina, D., Jagunic, M., De Stradis, A., Diaz-Lara, A., Al Rwahnih, M., Scepanovic, M. and Almeida, R.P.P. 2024. New host plant species of grapevine virus A identified with vector-mediated infections. Plant Disease 108: 125-130. PDF

Cornara, D., Zaffaroni-Caorsi, V., Hamouche, Z., Avosani, S., Cavallo, G., Verrastro, V., Lago, C., Trani, A., De Stradis, A., Almeida, R.P.P. and Fereres, A. 2024. Host finding and probing behavior by Philaenus spumarius on olive varieties with a different degree of susceptibility to Xylella fastidiosa. Journal of Pest Science. https://doi.org/10.1007/s10340-024-01743-8 PDF

2023

Clark, E.G., Cornara, D., Brodersen, C.R., McElrone, A.J., Parkinson, D.Y. and Almeida, R.P.P. 2023. Anatomy of an agricultural antagonist: feeding complex structure and function of three xylem sap-feeding insects illuminated with synchrotron-based 3D imaging. Journal of Morphology 284: e21639. PDF

Kahn, A.K., Sicard, A., Cooper, M.L., Daugherty, M.P., Donegan, M. and Almeida, R.P.P. 2023. Progression of Xylella fastidiosa infection in grapevines under field conditions. Phytopathology 113: 1465-1473. PDF

Castillo, A.I and Almeida, R.P.P. 2023. The multifaceted role of homologous recombination in a fastidious bacterial plant pathogen. Applied and Environmental Microbiology 89: e00439-23. PDF

Donegan, M.A., Coletta-Filho, H.D. and Almeida, R.P.P. 2023. Parallel host shifts in a bacterial plant pathogen suggest independent genetic solutions. Molecular Plant Pathology 24, 527–535. DOI: 10.1111/mpp.13316 PDF

2022

Zecharia, N., Krasnov, H., Vanunu, M., Siri, A.C., Haberman, A., Dror, O., Vakal, L., Almeida, R.P.P., Blank, L., Shtienberg, D. and Bahar, O. 2022. Xylella fastidiosa outbreak in Israel: population genetics, host range and temporal and spatial distribution analysis. Phytopathology 112: 2296-2309. PDF

Jagunic, M., De Stradis, A., Preiner, D., La Notte, P., Rwahnih, M.L., Almeida, R.P.P. and Voncina, D. 2022. Biology and ultrastructural characterization of grapevine badnavirus 1 and grapevine virus G. Viruses 14: 2695. PDF

Feitosa-Junior, O.R., Sousa, A.P.S., Zaini, P.A., Baccari, C., Ionescu, M., Pierry, P.M., Uceda-Campos, G., Labroussaa, F., Almeida, R.P.P., Lindow, S.E. and da Silva, A.M., 2022.The XadA trimeric autotransporter adhesins in Xylella fastidiosa differentially contribute to cell aggregation, biofilm formation, insect transmission and virulence to plants. Molecular Plant-Microbe Interactions 35: 857-866. PDF

Kahn, A. and Almeida, R.P.P. 2022. Phylogenetics of historical host switches in a bacterial plant pathogen. Applied and Environmental Microbiology 88: e02356-21. PDF

Lefèvre, T., Sauvion, N., Almeida, R.P.P., Fournet, F. and Alout, H. 2022. The ecological significance of arthropod vectors of plant, animal, and human pathogens. Trends in Parasitology 38: 404-418. PDF

Wilson, H., Hogg, B.N., Blaisdell, G.K., Andersen, J.C., Yasdani, A.S., Billings, A.C., Ooi, K.M., Soltani, N., Almeida, R.P.P., Cooper, M.L., Rwahnih, M.A. and Daane, K.M. 2022. Survey of vineyard insects and plants to identify potential insect vectors and noncrop reservoirs of grapevine red blotch virus. PhytoFrontiers 2: 66-73. PDF

2021

Beal, D.J., Adams, A.G., Cooper, M.L., Varela, L.G., Smith, R.J., Kron, C.R., Almeida, R.P.P. and Daugherty, M.P. 2021. Assessment of nymphal ecology and adult Xylella fastidiosa transmission biology of Aphrophora nr. permutata (Hemiptera: Aphrophoridae) in California vineyards. Environmental Entomology 50: 1446–1454. doi.org/10.1093/ee/nvab081 PDF

Castillo, A.I., Tsai, C.W., Su, C.C., Weng, L.W., Lin, Y.C., Cho, S.T., Almeida, R.P.P. and Kuo, C.H. 2021. Genetic differentiation of Xylella fastidiosa following the introduction into Taiwan. Microbial Genomics 7: 000727. doi: 10.1099/mgen.0.000727 PDF

Sicard, A., Saponari, M., Vanhove, M., Castillo, A.I., Giampetruzzi, A., Loconsole, G., Saldarelli, P., Boscia, D., Neema, C. and Almeida, R.P.P. 2021. Introduction and adaptation of an emerging pathogen to olive trees in Italy. Microbial Genomics 7: 000735. doi: 10.1099/mgen.0.000735 PDF, Nature News

Bodino, N., Cavalieri, V., Pegoraro, M., Altamura, G., Canuto, F., Zicca, S., Fumarola, G., Almeida, R.P.P., Saponari, M., Dongiovanni, C. and Bosco, D. 2021.Temporal dynamics of the transmission of Xylella fastidiosa subsp. pauca by Philaenus spumarius to olive plants. Entomologia Generalis 41: 463-480. doi: 10.1127/entomologia/2021/1294 PDF

Zeilinger, A.R., Wallis, C.M., Beal, D., Sicard, A., Walker, M.A. and Almeida, R.P.P. 2021. Plant defense against a pathogen drives non-linear transmission dynamics through both vector preference and acquisition. Ecosphere 12: e03505 PDF

Castillo, A.I. and Almeida, R.P.P. 2021. Evidence of gene nucleotide composition favoring replication and growth in a fastidious plant pathogen. G3: Genes, Genomes, Genetics 11: jkab076, PDF

Beal, D.J., Cooper, M., Daugherty, M.P., Purcell, A.H. and Almeida, R.P.P. 2021. Seasonal abundance and infectivity of Philaenus spumarius (Hemiptera: Aphrophoridae), a vector of Xylella fastidiosa in California vineyards. Environmental Entomology 50: 467-476. PDF

Castillo, A.I., Bojanini, I., Chen, H., Kandel, P.P., De La Fuente, L. and Almeida, R.P.P. 2021. Allopatric plant pathogen population divergence following disease emergence. Applied and Environmental Microbiology 87: e02095-20. PDF AEM Spotlight

2020

Prator, C.A. and Almeida, R.P.P. 2020. A lectin disrupts vector transmission of a grapevine ampelovirus. Viruses 12: 843.  PDF

Huang, W., Reyes-Caldas, P., Mann, M., Seifbarghi, S., Kahn, A., Almeida, R.P.P., Beven, L., Heck, M., Hogenhout, S. and Coaker, G. 2020. Bacterial vector-borne plant diseases: unanswered questions and future directions. Molecular Plant 13: 1379-1393. PDF

Castillo, A.I., Chacón-Diaz, C., Rodríguez-Murillo, N., Coletta-Filho, H.D. and Almeida, R.P.P. 2020. Impacts of local population history and ecology on the evolution of a globally dispersed pathogen. BMC Genomics 21: 369. PDF

Coletta-Filho, H.D., Castillo, A.I., Laranjeira, F.F., Andrade, E.C., Silva, N.T., De Souza, A.A., Bossi, M.E., Almeida, R.P.P. and Lopes, J.R.S. 2020. Citrus variegated chlorosis: an overview of 30 years of research and disease management. Tropical Plant Pathology 45: 175-191.  PDF

Wallis, C.M., Zeilinger, A.R., Sicard, A., Beal, D.J., Walker, M.A. and Almeida, R.P.P. 2020. Impact of phenolic compounds on progression of Xylella fastidiosa infections in susceptible and PdR1-locus containing resistant grapevines. PLoS ONE 15: e0237545. PDF

Vanhove, M., Sicard, A., Ezennia, J., Leviten, N. and Almeida, R.P.P. 2020. Population structure and adaptation of a bacterial pathogen in California grapevines. Environmental Microbiology 22: 2625-2638.  PDF

Esteves, M.B., Nalin, J.L., Kudlawiec, K., Salviatto, R.C., Sales, T.M., Sicard, A., Almeida, R.P.P., de Souza, A.A. and Lopes, J.R.S. 2020. XadA2 adhesin decreases biofilm formation and transmission of Xylella fastidiosa subsp. pauca. Insects 11: 473.  PDF

Sicard, A., Castillo, A.I., Voeltz, M., Chen, H., Zeilinger, A.R., De La Fuente, L. and Almeida, R.P.P. 2020. Inference of bacterial pathogen instantaneous population growth dynamics. Molecular Plant-Microbe Interactions 33: 402-411.  PDF

Blaisdell, G. K., Zhang, S., Rowhani, A., Klaassen, V., Cooper, M.L., Daane, K.M. and R. P. P. Almeida. 2020. Trends in vector-borne transmission from coinfected hosts: Grapevine leafroll-associated virus-3 and Grapevine virus A. European Journal of Plant Pathology 156: 1163-1167. PDF

Prator, C.A., Chooi, K.M., Jones, D., Davy, M.W., MacDiarmid, R. and Almeida, R.P.P. 2020. Comparison of two different host plant genera responding to grapevine leafroll-associated virus 3 infection. Scientific Reports 10: 8505. PDF

Ranieri, E., Zitti, G., Riolo, P., Isidoro, N., Ruschioni, S., Brocchini, M. and Almeida, R.P.P. 2020. Fluid dynamics in the functional foregut of xylem-sap feeding insects: a comparative study of two Xylella fastidiosa vectors. Journal of Insect Physiology 120: 103995. PDF

Landa, B.B., Castillo, A.I., Giampetruzzi, A., Kahn, A., Román-Écija, M., Velasco-Amo, M.P., Navas-Cortés, J.A., Marco-Noales, E., Barbé, S., Moralejo, E., Coletta-Filho, H.D., Saldarelli, P., Saponari, M. and Almeida, R.P.P. 2020. Emergence of a plant pathogen in Europe associated with multiple intercontinental introductions. Applied and Environmental Microbiology 86:e01521-19.  PDF – at Nature Research Highlights link

2019

Castillo, A.I., Tuan, S-J., Retchless, A.C., Hu, F-T., Chang, H-Y. and Almeida, R.P.P. 2019. Draft whole-genome sequences of Xylella fastidiosa subsp. fastidiosa strains TPD3 and TPD4, isolated from grapevines in Hou-li, Taiwan. Microbiology Resources Announcement 8:e00835-19.  PDF

Sicard, A., Merfa, M.V., Voeltz, M., Zeilinger, A.R., De La Fuente, L. and Almeida, R.P.P. 2019. Discriminating between viable and membrane-damaged cells of the plant pathogen Xylella fastidiosa. PLoS ONE 14: e0221119.  (PDF

Debat, H., Zavallo, D., Brisbane, R.S., Voncina, D., Almeida, R.P.P., Blouin, A.G., Rwahnih, M.A., Gomez-Talquenca, S. and Asurmendi, S. 2019. Grapevine virus L: a novel vitivirus in grapevine. European Journal of Plant Pathology 155: 319-328.  PDF

Vanhove, M., Retchless, A.C., Sicard, A., Rieux, A., Coletta-Filho, H.D., De La Fuente, L., Stanger, D.C. and Almeida, R.P.P. 2019. Genomic diversity and recombination among Xylella fastidiosa subspecies. Applied and Environmental Microbiology 85: e02972-18.  PDF  –  Supplemental Material-PDF

Potnis, N., Kandel, P.P., Merfa, M.V., Retchless, A.C., Parker, J.K., Stenger, D.C., Almeida, R.P.P., Bergsma-Vlami, M., Westenberg, M., Cobine, P.A. and De La Fuente, L. 2019. Patterns of inter- and intrasubspecific homologous recombination inform eco-evolutionary dynamics of Xylella fastidiosa. The ISME Journal 13: 2319–2333. PDF

Daugherty, M.P. and Almeida, R.P.P. 2019. Understanding how an invasive vector drives Pierce’s disease epidemics: seasonality and vine-to-vine spread. Phytopathology 109: 277-285. PDF

Ruschioni, S., Ranieri, E., Riolo, P., Romani, R., Almeida, R.P.P. and Isidoro, N. 2019. Functional anatomy of the precibarial valve in Philaenus spumarius (L.). PLoS ONE 14: e0213318. PDF

Almeida, R.P.P., De La Fuente, L., Koebnik, R., Lopes, J.R.S., Parnell, S. and Scherm, H. 2019. Addressing the global threat of Xylella fastidiosa. Phytopathology 109: 172-174. PDF

Giampetruzzi, A., Velasco-Amo, M.P., Marco-Noales, E., Montes-Borrego, M., Román-Écija, M., Navarro, I., Monterde, A., Barbé, S., Almeida, R.P.P., Saldarelli, P., Saponari, M., Montilon, V., Savino, V.N., Boscia, D. and Landa, B.B. 2019. Draft genome resources of two strains (“ESVL” and “IVIA5901”) of Xylella fastidiosa associated with almond leaf scorch disease in Alicante, Spain. Phytopathology 109: 219-221. PDF

Esteves, M.B., Kleina, H.T., Sales, T.M., Oliveira, T.P., Lara, I.A.R., Almeida, R.P.P., Coletta-Filho, H.D. and Lopes, J.R.S. 2019. Transmission efficiency of Xylella fastidiosa subsp. pauca sequence types by sharpshooter vectors after in vitro acquisition. Phytopathology 109: 286-293. PDF

2018

Almeida, R.P.P. 2018. Emerging plant disease epidemics: Biological research is key but not enough. PLoS Biology 16: e2007020. PDF

Zeilinger, A.R., Turek, D., Cornara, D., Sicard, A., Lindow, S.E. and Almeida, R.P.P. 2018. Bayesian vector transmission model detects conflicting interactions from transgenic disease resistant grapevines. Ecosphere 9: e02494. PDF

Del Cid, C., Krugner, R., Zeilinger, A.R., Daugherty, M.P. and Almeida, R.P.P. 2018. Plant water stress and vector feeding preference mediate transmission efficiency of a plant pathogen. Environmental Entomology 47: 1471-1478. PDF

Daugherty, M.P., Almeida, R.P.P., Smith, R.J., Weber, E.A. and Purcell, A.H. 2018. Severe pruning of infected grapevines has limited efficacy for managing Pierce’s disease. American Journal of Enology and Viticulture 69: 289-294. PDF

Sicard, A., Zeilinger, A.R., Vanhove, M., Schartel, T.E., Beal, D.J., Daugherty, M.P. and Almeida, R.P.P. 2018. Xylella fastidiosa: Insights into an emerging plant pathogen. Annual Review of Phytopathology 56: 181-202. PDF

Almeida, R.P.P. 2018. The invisible enemy. TOPOS (The International Review of Landscape Architecture and Urban Design) 103: 64-69. PDF

Cooper, M.L., Daugherty, M.P., Jeske, D.R., Almeida, R.P.P. and Daane, K.M. 2018. Incidence of grapevine leafroll disease: effects of grape mealybug (Pseudococcus maritimus) abundance and pathogen supply. Journal of Economic Entomology 111: 1542-1550. PDF

Voncina, D. and Almeida, R.P.P. 2018. Screening of some Croatian autochthonous grapevine varieties reveals a multitude of viruses, including novel ones. Archives of Virology 163: 2239-2243. PDF

Daane, K.M., Middleton, M.C., Sforza, R.F.H., Kamps-Hughes, N., Watson, G.W., Almeida, R.P.P., Correa, M.C.G., Downie, D.A. and Walton, V.M. 2018. Determining the geographic origin of invasive populations of the mealybug Planococcus ficus based on molecular genetic analysis. PLoS ONE 13: e0193852. PDF

2017

Jimenez, J., Webster, C.G., Moreno, A., Almeida, R.P.P., Blanc, S., Fereres, A. and Uzest, M. 2017. Fasting alters aphid probing behaviour but does not universally increase the transmission rate of non-circulative viruses. Journal of General Virology 98: 3111-3121. PDF

De La Fuente, L., Chacón-Diaz, C. and Almeida, R.P.P. 2017. Enfermedades causadas por Xylella fastidiosa en Estados Unidos y Costa Rica. In “Enfermedades causadas por la bacteria Xylella fastidiosa”, pp. 149-176. B.B. Landa, E. Marco-Noales, M. M. Lopez, eds. Cajamar Caja Rural Press, ISBN: 978-84-95531-86-5 PDF

Herrbach, E., Alliaume, A., Prator, C.A., Daane, K.M., Cooper, M.L. and Almeida, R.P.P. 2017. Vector transmission of grapevine-leafroll associated viruses. In: B. Meng et al. (eds.), Grapevine Viruses: Molecular Biology, Diagnostics and Management. DOI 10.1007/978-3-319-57706-7_24. PDF

Giampetruzzi, A., Saponari, M., Almeida, R.P.P., Essakhi, S., Boscia, D., Loconsole, G. and Saldarelli, P. 2017. Complete genome sequence of the olive-infecting strain Xylella fastidiosa subsp. pauca De Donno. Genome Announcements 5: e00569-17. PDF

Prator, C.A., Kashiwagi, C.M., Voncina, D. and Almeida, R.P.P. 2017. Infection and colonization of Nicotiana benthamiana by Grapevine leafroll-associated virus 3. Virology 510: 60-66. PDF

Kandel, P.P., Almeida, R.P.P., Cobine, P.A. and De La Fuente, L. 2017. Natural competence rates are variable among Xylella fastidiosa strains and homologous recombination occurs in vitro between subspecies fastidiosa and multiplex. Molecular Plant-Microbe Interactions 30: 589-600. PDF

Giampetruzzi, A., Saponari, M., Loconsole, G., Boscia, D., Savino, V.N., Almeida, R.P.P., Zicca, S., Landa, B.B., Chacón-Diaz, C. and Saldarelli, P. 2017. Genome-wide analysis provides evidence on the genetic relatedness of the emergent Xylella fastidiosa genotype in Italy to isolates from Central America. Phytopathology 107: 816-827. PDF

Zeilinger, A.R., Rapacciuolo, G., Turek, D., Oboyski, P.T., Almeida, R.P.P. and Roderick, G.K. 2017. Museum specimen data reveal emergence of a plant disease may be linked to increases in vector population. Ecological Applications 27: 1827-1837. PDF

Daugherty, M.P., Zeilinger, A.R. and Almeida, R.P.P. 2017. Conflicting effects of climate and vector behavior on the spread of a plant pathogen. Phytobiomes 1: 46-53. PDF

Labroussaa, F., Ionescu, M., Zeilinger, A.R., Lindow, S.E. and Almeida, R.P.P. 2017. A chitinase is required for Xylella fastidiosa colonization of its insect and plant hosts. Microbiology 163: 502-509. PDF

Voncina, D., Rwahnih, M.A., Rowhani, A., Gouran, M. and Almeida, R.P.P. 2017. Viral diversity in autochthonous Croatian grapevine cultivars. Plant Disease 101: 1230-1235. PDF

Francisco, C.S., Ceresini, P.C., Almeida, R.P.P. and Coletta-Filho, H.D. 2017. Spatial genetic structure of coffee-associated Xylella fastidiosa populations indicates that cross-infection does not occur with sympatric citrus orchards. Phytopathology 107: 395-402. PDF

Cornara, D., Cavalieri, V., Dongiovanni, C., Altamura, G., Palmisano, F., Bosco, D., Porcelli, F., Almeida, R.P.P. and Saponari, M. 2017. Transmission of Xylella fastidiosa by naturally infected Philaenus spumarius (Hemiptera, Aphrophoridae) to different host plants. Journal of Applied Entomology 141: 80-87. PDF

Coletta-Filho, H.D., Francisco, C.S., Lopes, J.R.S., Muller, C. and Almeida, R.P.P. 2017. Homologous recombination and Xylella fastidiosa host-pathogen associations in South America. Phytopathology 107: 305-312. PDF

Wistrom, C.M., Blaisdell, G.K., Wunderlich, L.R., Botton, M., Almeida, R.P.P. and Daane, K.M. 2017. No evidence of transmission of grapevine leafroll-associated viruses by phylloxera (Daktulosphaira vitifoliae). European Journal of Plant Pathology, 147: 937-941. PDF

Cornara, D., Saponari, M., Zeilinger, A.R., de Stradis, A., Boscia, D., Loconsole, G., Bosco, D., Martelli, G.P., Almeida, R.P.P. and Porcelli, F. 2017. Spittlebugs as vectors of Xylella fastidiosa in olive orchards in Italy. Journal of Pest Science 90: 521-530. PDF

Jedlicka, J.A., Vo, A.E. and Almeida, R.P.P. 2017. Molecular scatology and high-throughput sequencing reveal predominately herbivorous insects in the diets of adult and nestling Western Bluebirds (Sialia mexicana) in California vineyards. The Auk: Ornithological Advances 134: 116-127. PDF

2016

Cornara, D., Sicard, A., Zeilinger, A.R., Porcelli, F., Purcell, A.H. and Almeida, R.P.P. 2016. Transmission of Xylella fastidiosa to grapevine by the meadow spittlebug. Phytopathology 106: 1285-1290. PDF

Almeida, R.P.P. 2016. Can Apulia’s olive trees be saved? Science 353: 346-348. PDF full text

Kandel, P.P., Lopez, S.M., Almeida, R.P.P. and La Fuente, L.D. 2016. Natural competence of Xylella fastidiosa occurs at a high frequency inside microfluidic chambers mimicking the bacterium’s natural habitats. Applied and Environmental Microbiology 82: 5269-5277. PDF

Wistrom, C.M., Blaisdell, G.K., Wunderlich, L.R., Almeida, R.P.P. and Daane, K.M. 2016. Ferrisia gilli (Hemiptera: Pseudococcidae) transmits grapevine leafroll-associated viruses. Journal of Economic Entomology 109: 1519-1523. PDF

Almeida, R.P.P. and Nunney, L. 2016. Emerging insect-transmitted plant diseases: the bacterium Xylella fastidiosa as a case study. In: Global Health Impacts of Vector-borne diseases: Workshop Summary. The National Academies Press, Washington, D.C. 400p. PDF

Labroussaa, F., Zeilinger, A.R. and Almeida, R.P.P. 2016. Blocking the transmission of a non-circulative vector-borne plant pathogenic bacterium. Molecular Plant-Microbe Interactions 29: 535-544. PDF

Blaisdell, G.K., Cooper, M.L., Kuhn, E.J., Taylor, K.A., Daane, K.M. and Almeida, R.P.P. 2016. Disease progression of vector-mediated Grapevine leafroll-associated virus 3 infection of mature plants under commercial vineyard conditions. European Journal of Plant Pathology 146: 105-116. PDF

Almeida, R.P.P. 2016. Xylella fastidiosa vector transmission biology. In: Vector-mediated transmission of plant pathogens, p. 165-173, Ed. J.K. Brown. APS Press Book, St. Paul, MN. PDF

Loconsole, G., Saponari, M., Boscia, D., D’Attoma, G., Morelli, M., Martelli, G.P. and Almeida, R.P.P. 2016. Intercepted isolates of Xylella fastidiosa in Europe reveal novel genetic diversity. European Journal of Plant Pathology 146: 85-94. PDF

2015

Giampetruzzi, A., Loconsole, G., Boscia, D., Calzolari, A., Chiumenti, M., Martelli, G.P., Saldarelli, P., Almeida, R.P.P. and Saponari, M. 2015. Draft genome sequence of CO33, a coffee infecting isolate of Xylella fastidiosa. Genome Announcements: e01472-15. PDF

Sharma, A.M., Baraff, B., Hutchins, J.T., Wong, M.K., Blaisdell, G.K., Cooper, M.L., Daane, K.M. and Almeida, R.P.P. 2015. Relative prevalence of grapevine leafroll-associated virus species in wine grape-growing regions of California. PLoS ONE 10: e0142120. PDF

Almeida, R.P.P. and Nunney, L. 2015. How do plant diseases caused by Xylella fastidiosa emerge? Plant Disease 99: 1457-1467. PDF

Coletta-Filho, H.D., Bittleston, L.S., Lopes, J.R.S. Daugherty, M.P. and Almeida, R.P.P. 2015. Genetic distance may underlie virulence differences among isolates of a bacterial plant pathogen. Journal of Plant Pathology 97: 465-469. PDF

Blaisdell, G.K., Zhang, S., Bratburd, J.R., Daane, K.M., Cooper, M.L. and Almeida, R.P.P. 2015. Interactions within susceptible hosts drive establishment of genetically distinct variants of an insect-borne pathogen. Journal of Economic Entomology 108: 1531-1539. PDF

2014

Retchless, A.C., Labroussaa, F., Shapiro, L., Stenger, D.C., Lindow, S.E. and Almeida, R.P.P. 2014. Genomic insights into Xylella fastidiosa interactions with plant and insect hosts. In: Genomics of Plant-associated Bacteria. Ed. Gross, D., Lichens-Park, A. and Kole, C. Springer, 519p. ISBN: 978-3-642-55377-6. PDF

Kung, S. H. and Almeida, R.P.P. 2014. Biological and genetic factors regulating natural competence in a bacterial plant pathogen. Microbiology 160: 37-46. PDF

Almeida, R.P.P., Coletta-Filho, H.D. and Lopes, J.R.S. 2014. Xylella fastidiosa. In: Manual of Security: Sensitive Microbes and Toxins. Ed. Liu, D. CRC Press, 884pp. pp. 841-850. ISBN: 9781466553965. PDF

Coletta-Filho, H.D., Francisco, C.S. and Almeida, R.P.P. 2014. Temporal and spatial scaling of the genetic structure of a vector-borne plant pathogen. Phytopathology 104: 120-125. PDF

Killiny, N. and Almeida, R.P.P. 2014. Factors affecting the initial adhesion and retention of the plant pathogen Xylella fastidiosa in the foregut of an insect vector. Applied and Environmental Microbiology 80: 420-426. PDF

Baccari, C., Killiny, N., Ionescu, M., Almeida, R.P.P. and Lindow, S.E. 2014. Diffusible signal factor-repressed extracellular traits enable attachment of Xylella fastidiosa to insect vectors and transmission. Phytopathology 104: 27-33. PDF

2013

Purcell, A.H., Kirkpatrick, B.C., Almeida, R.P.P., Varela, L.G., Smith, R.J., Weber, E., Hashim, J. and Gispert, C. 2013. Pierce’s disease. In: Grape Pest Management Manual – Third Edition. Ed. Larry J. Bettiga, 609pp.; UC ANR. pp. 75-82. ISBN-13: 978-1-60107-800-1.

Killiny, N., Hernandez-Martinez, R., Dumenyo, C.K., Cooksey, D.A. and Almeida, R.P.P. 2013. The exopolysaccharide of Xylella fastidiosa is essential for biofilm formation, plant virulence and vector transmission. Molecular Plant-Microbe Interactions 26: 1044-1053. (PDF)

Almeida, R.P.P. and Retchless, A.C. 2013. Xylella fastidiosa diversity. Plant Pathology Bulletin 22: 107-116.

Maree, H.J., Almeida, R.P.P., Bester, R., Chooi, K.M., Cohen, D., Dolja, V.V., Fuchs, M.F., Golino, D.A., Jooste, A.E.C., Martelli, G.P., Naidu, R.A., Rowhani, A., Saldarelli, P. and Burger, J. 2013. Grapevine leafroll-associated virus 3. Frontiers in Microbiology 4: 82. (PDF)

Almeida, R.P.P., Daane, K.M., Bell, V.A., Blaisdell, G.K., Cooper, M.L., Herrbach, E. and Pietersen, G.. 2013. Ecology and management of grapevine leafroll disease. Frontiers in Microbiology 4: 94. (PDF)

Jedlicka, J.A., Sharma, A.M. and Almeida, R.P.P. 2013. Molecular tools reveal diets of insectivorous birds from predator fecal matter. Conservation Genetics Resources 5: 8790-885. (PDF)

Rashed, A., Kwan, J., Baraff, B., Ling, D., Daugherty, M.P., Killiny, N. and Almeida, R.P.P. 2013. Relative susceptibility of Vitis vinifera cultivars to vector-borne Xylella fastidiosa through time. PLoS ONE 8: e55326. (PDF)

Kung, S.H., Retchless, A.C., Kwan, J.Y. and Almeida, R.P.P. 2013. Effects of DNA size on transformation and recombination efficiencies in Xylella fastidiosa. Applied and Environmental Microbiology 79: 1712-1717. (PDF)

2012

Seah, Y.M., Sharma, A.M., Zhang, S., Almeida, R.P.P. and Duffy, S. 2012. A divergent variant of Grapevine leafroll-associated virus 3 is present in California. Virology Journal 9: 235. (PDF)

Janse, J.D., Valentini, F., Purcell, A.H. and Almeida, R.P.P. 2012. Detection and identification methods and new tests as used and developed in the framework of COST873 for bacteria pathogenic to stone fruits and nuts: Xylella fastidiosa. Journal of Plant Pathology 94: S1.147-154. (PDF)

Tsai, C.W., Daugherty, M.P. and Almeida, R.P.P. 2012. Seasonal dynamics and virus translocation of Grapevine leafroll-associated virus 3 in grapevine cultivars. Plant Pathology 61: 977-985. (PDF)

Daane, K.M., Almeida, R.P.P., Bell, V.A., Botton, M., Fallahzadeh, M., Mani, M. Miano, J.L., Sforza, R., Walton, V.M. and Zaveizo, T. 2012. Biology and management of mealybugs in vineyards. p. 271-307. In: N.J. Bostanian et al. (eds), Arthropod Management in Vineyards: Pests, Approaches and Future Directions. Springer. 505p. (PDF)

Almeida, R.P.P., Killiny, N., Newman, K.L., Chatterjee, S., Ionescu, M. and Lindow, S.E. 2012. Contribution of rpfB to cell-cell signal synthesis, virulence, and vector transmission of Xylella fastidiosa. Molecular Plant-Microbe Interactions 25: 453-462. (PDF)

Daugherty, M.P., Gruber, B.R., Almeida, R.P.P., Anderson, M.M., Cooper, M.L., Rasmussen, Y. and Weber, E. 2012. Testing the efficacy of barrier plantings for limiting sharpshooter spread. American Journal of Enology and Viticulture 63: 139-143. (PDF)

Killiny, N., Rashed, A. and Almeida, R.P.P. 2012. Disrupting the transmission of a vector-borne plant pathogen. Applied and Environmental Microbiology 78: 638-643. (PDF)

2011

Daane, K.M., Middleton, M.C., Sforza, R., Cooper, M.L., Walton, V.M., Walsh, D.B., Zaviezo, T. and Almeida, R.P.P. 2011. Development of a multiplex PCR for identification of vineyard mealybugs. Environmental Entomology 40: 1595-1603. (PDF)

Tsai, C.W., Bosco, D., Daane, K.M. and Almeida, R.P.P. 2011. Effect of host plant tissue on the vector transmission of Grapevine leafroll-associated virus 3. Journal of Economic Entomology 104: 1480-1485. (PDF)

Rashed, A., Daugherty, M.P. and Almeida, R.P.P. 2011. Grapevine genotype susceptibility to Xylella fastidiosa does not predict vector transmission success. Environmental Entomology 40: 1192-1199. (PDF)

Sharma, A.M., Wang, J., Duffy, S., Zhang, S., Wong, M.K., Rashed, A., Cooper, M.L., Daane, K.M. and Almeida, R.P.P. 2011. Occurrence of grapevine leafroll-associated virus complex in Napa Valley. PLoS ONE 6: e26227. (PDF)

Killiny, N. and Almeida, R.P.P. 2011. Gene regulation mediates host specificity of a bacterial pathogen. Environmental Microbiology Reports 3: 791-797. (PDF)

Daugherty, M.P., Rashed, A., Almeida, R.P.P. and Perring, T.M. 2011. Vector preference for hosts differing in infection status: sharpshooter movement and Xylella fastidiosa transmission. Ecological Entomology 36: 654-662. (PDF)

Plucinski, M.M., Starfield, R. and Almeida, R.P.P. 2011. Inferring social network structure from bacterial sequence data. PLoS ONE 6: e22685. (PDF)

Gutierrez, A.P., Ponti, L., Hoddle, M., Almeida, R.P.P. and Irvin, N.A. 2011. Geographic distribution and relative abundance of the invasive glassy-winged sharpshooter: effects of temperature and egg parasitoids. Environmental Entomology 40: 755-769. (PDF)

Kung, S.H. and Almeida, R.P.P. 2011. Natural competence and recombination in the plant pathogen Xylella fastidiosa. Applied and Environmental Microbiology 77: 5278-5284. (PDF)

Coletta-Filho, H.D., Bittleston, L.S. and Almeida, R.P.P. 2011. Spatial genetic structure of a vector-borne generalist pathogen. Applied and Environmental Microbiology 77: 2596-2601. (PDF)

Degnan, P.H., Bittleston, L.S., Hansen, A.K., Sabree, Z.L., Moran, N.A. and Almeida, R.P.P. 2011. Origin and examination of a leafhopper facultative endosymbiont. Current Microbiology 62: 1565-1572. (PDF)

Rashed, A., Killiny, N., Kwan, J. and Almeida, R.P.P. 2011. Background matching behaviour and pathogen acquisition: Plant site preference does not predict bacterial acquisition efficiency by vectors. Arthropod-Plant Interactions 5: 97-106. (PDF)

Wang, J., Sharma, A.M., Duffy, S. and Almeida, R.P.P. 2011. Genetic diversity in the 3′ terminal 4.7-kb region of Grapevine leafroll-associated virus 3. Phytopathology 101: 445-450. (PDF)

2010

Chatterjee, S., Killiny, N., Almeida, R.P.P. and Lindow, S.E. 2010. Role of cyclic di-GMP in Xylella fastidiosa biofilm formation, plant virulence and insect transmission. Molecular Plant-Microbe Interactions 23: 1356-1363. (PDF)

Killiny, N., Prado, S.S. and Almeida, R.P.P. 2010. Chitin utilization by the insect-transmitted bacterium Xylella fastidiosa. Applied and Environmental Microbiology 76: 6134-6140. (PDF)

Lopes, J.R.S., Daugherty, M.P. and Almeida, R.P.P. 2010. Strain origin drives virulence and persistence of Xylella fastidiosa in alfalfa. Plant Pathology 59: 963-971. (PDF)

Tsai, C.W., Rowhani, A., Golino, D.A., Daane, K.M. and Almeida, R.P.P. 2010. Mealybug transmission of grapevine leafroll viruses: an analysis of virus-vector specificity. Phytopathology 100: 830-834. (PDF)

Daugherty, M.P., Lopes, J.R.S. and Almeida, R.P.P. 2010. Strain-specific alfalfa water stress induced by Xylella fastidiosa. European Journal of Plant Pathology 127: 333-340. (PDF)

Daugherty, M.P., Lopes, J.R.S. and Almeida, R.P.P. 2010. Vector within-host feeding preference mediates transmission of a heterogeneously distributed pathogen. Ecological Entomology 35: 360-366. (PDF)

Prado, S.S., Hung, K.Y., Daugherty, M.P. and Almeida, R.P.P. 2010. Indirect effects of temperature on stink bug fitness via maintenance of gut-associated symbionts. Applied and Environmental Microbiology 76: 1261-1266. (PDF)

2009

Killiny, N. and Almeida, R.P.P. 2009. Host structural carbohydrate induces vector transmission of a bacterial plant pathogen. Proceedings of the National Academy of Sciences USA 106: 22416-22420. (PDF)

Daugherty, M.P., Bosco, D. and Almeida, R.P.P. 2009. Temperature mediates vector transmission efficiency: inoculum supply and plant infection dynamics. Annals of Applied Biology 155: 361-369. (PDF)

Prado, S.S. and Almeida, R.P.P. 2009. Role of symbiotic gut bacteria in the development of Acrosternum hilare and Murgantia histrionica (Hemiptera, Pentatomidae). Entomologia Experimentalis et Applicata 132: 21-29. (PDF)

Daugherty, M.P. and Almeida, R.P.P. 2009. Estimating Xylella fastidiosa transmission parameters: decoupling sharpshooter number and feeding period. Entomologia Experimentalis et Applicata 132: 84-92. (PDF)

Hooks, C.R.R., Manandhar, R., Perez, E.A., Wang, K.H. and Almeida, R.P.P. 2009. Comparative susceptibility of two banana cultivars to Banana bunchy top virus under laboratory and field environments. Journal of Economic Entomology 102: 897-904. (PDF)

Lopes, J.R.S., Daugherty, M.P. and Almeida, R.P.P. 2009. Context-dependent transmission of a generalist plant pathogen: host species and pathogen strain mediate insect vector competence. Entomologia Experimentalis et Applicata 131: 216-224. (PDF)

Hooks, C.R.R., Fukuda, S., Perez, E.A., Manandhar, R., Wang, K.H., Wright, M.G. and Almeida, R.P.P. 2009. Aphid transmission of Banana bunchy top virus to banana after treatment with a bananacide. Journal of Economic Entomology 102: 493-499. (PDF)

Killiny, N. and Almeida, R.P.P. 2009. Xylella fastidiosa afimbrial adhesins mediate cell transmission to plants by leafhopper vectors. Applied and Environmental Microbiology 75: 521-528. (PDF)

Prado, S.S., Golden, M., Follett, P.A., Daugherty, M.P. and Almeida, R.P.P. 2009. Demography of gut symbiotic and aposymbiotic Nezara viridula (L.) (Hemiptera, Pentatomidae). Environmental Entomology 38:103-109 . (PDF)

Almeida, R.P.P., Bennett, G.M., Anhalt, M.D., Tsai, C.W. and O’Grady, P. 2009. Spread of an introduced vector-borne banana virus in Hawaii. Molecular Ecology 18: 136-146. (PDF)

Prado, S.S. and Almeida, R.P.P. 2009. Phylogenetic placement of pentatomid stink bug gut symbionts. Current Microbiology 58: 64-69. (PDF)

2008

Tsai, C.W., Chau, J., Fernandez, L., Bosco, D., Daane, K.M., and Almeida, R.P.P. 2008. Transmission of Grapevine leafroll-associated virus 3 by the vine mealybug (Planococcus ficus). Phytopathology 98: 1093-1098. (PDF)

Golino, D.A. and Almeida, R.P.P. 2008. Studies needed of vectors spreading leafroll disease in California vineyards. California Agriculture 62: 174. (PDF)

Chatterjee, S., Almeida, R.P.P. and Lindow, S.E. 2008. Living in two worlds: the plant and insect lifestyles of Xylella fastidiosa. Annual Review of Phytopathology 46: 243-271. (PDF)

Anhalt, M.D. and Almeida, R.P.P. 2008. Effect of temperature, vector life stage and plant access period on transmission of Banana bunchy top virus to banana. Phytopathology 98: 743-748. (PDF)

Almeida, R.P.P., Nascimento, F.E., Chau, J., Prado, S.S., Tsai, C.W., Lopes, S.A. and Lopes, J.R.S. 2008. Genetic structure and biology of Xylella fastidiosa causing disease in citrus and coffee in Brazil. Applied and Environmental Microbiology 74: 3690-3701. (PDF)

Almeida, R.P.P. 2008. Ecology of emerging vector-borne plant diseases. p70-77.  In: Instititute of Medicine Forum on Vector-borne diseases: Understanding the environmental, human health, and ecological connections. The National Academies Press, Washington, D.C. 350p. (PDF)

Hooks, C.R.R., Wright, M.G., Kabasawa, D.S., Manandhar, R. and Almeida, R.P.P. 2008. Effect of Banana bunchy top virus infection on morphology and growth characteristics of banana. Annals of Applied Biology 153: 1-9. (PDF)

Prado, S.S., Lopes, J.R.S., Demetrio, C.G.B., Borgatto, A.F. and Almeida, R.P.P. 2008. Host colonization differences between citrus and coffee isolates of Xylella fastidiosa in reciprocal inoculation. Scientia Agricola 65: 251-258. (PDF)

2007

Robson, J.D., Wright, M.G. and Almeida, R.P.P. 2007. Effect of imidacloprid foliar treatment and banana leaf age on Pentalonia nigronervosa (Hemiptera, Aphididae) survival. New Zealand Journal of Crop and Horticultural Science 35: 415-422. (PDF)

Almeida, R.P.P. 2007. Glassy-winged sharpshooter transmission of Xylella fastidiosa to plants. Proceedings of the Hawaiian Entomological Society 39: 83-86. (PDF)

Robson, J.D., Wright, M.G. and Almeida, R.P.P. 2007. Biology of Pentalonia nigronervosa (Hemiptera, Aphididae) on banana using different rearing methods. Environmental Entomology 36: 46-52. (PDF)

2006

Borth, W.B., Fukuda, S.K., Hamasaki, R.T., Hu, J.S. and Almeida, R.P.P. 2006. Detection, characterisation and transmission by Macrosteles leafhoppers of watercress yellows phytoplasma in Hawaii. Annals of Applied Biology 149: 357-363. (PDF)

Robson, J.D., Wright, M.G. and Almeida, R.P.P. 2006. Within-plant distribution and binomial sampling plan of Pentalonia nigronervosa (Hemiptera, Aphididae) on banana. Journal of Economic Entomology 99: 2185-2190. (PDF)

Almeida, R.P.P. and Purcell, A.H. 2006. Patterns of Xylella fastidiosa colonization on the precibarium of leafhopper vectors relative to transmission to plants. Annals of the Entomological Society of America 99: 884-890. (PDF)

Prado, S.S., Rubinoff, D. and Almeida, R.P.P. 2006. Vertical transmission of a pentatomid caeca-associated symbiont. Annals of the Entomological Society of America 99: 577-585. (PDF)

2005

Almeida, R.P.P., Wistrom, C., Hill, B.L., Hashim, J. and Purcell, A.H. 2005. Vector transmission of Xylella fastidiosa to dormant grape. Plant Disease 89: 419-424. (PDF)

Purcell, A.H. and Almeida, R.P.P. 2005. Insects as vectors of disease agents. In: Goodman, R.M. Encyclopedia of Plant and Crop Science. Marcel Dekker, 5pp. DOI: 10.1081/E-EPCS-120010496. (PDF)

Almeida, R.P.P., Wayadande, A. and Shellly, T. 2005. Insect transmission of plant pathogens. Annals of the Entomological Society of America 98: 755. (PDF)

Almeida, R.P.P., Blua, M.J., Lopes, J.R.S. and Purcell, A.H. 2005. Vector transmission of Xylella fastidiosa: Applying fundamental knowledge to generate disease management strategies. Annals of the Entomological Society of America 98: 775-786. (PDF)

2004

Almeida, R.P.P., Mann, R. and Purcell, A.H. 2004. Xylella fastidiosa cultivation on a minimal solid defined medium. Current Microbiology 48: 368-372. (PDF)

Newman, K.L., Almeida, R.P.P., Purcell, A.H. and Lindow, S.E. 2004. Cell-cell signaling controls Xylella fastidiosa interactions with both insects and plants. Proceedings of the National Academy of Sciences USA 101: 1737-1742. (PDF)

Almeida, R.P.P. and Backus, E.A. 2004. Stylet penetration behaviors of Graphocephala atropunctata (Signoret) (Hemiptera, Cicadellidae): EPG waveform characterization and quantification. Annals of the Entomological Society of America 97: 838-851. (PDF)

2003 and earlier

Almeida, R.P.P. and Purcell, A.H. 2003. Biological traits of Xylella fastidiosa strains from grapes and almonds. Applied and Environmental Microbiology 69: 7447-7452. (PDF)

Almeida, R.P.P. and Purcell, A.H. 2003. Transmission of Xylella fastidiosa to grapevines by Homalodisca coagulata (Hemiptera, Cicadellidae). Journal of Economic Entomology 96: 264-271. (PDF)

Newman, K.L., Almeida, R.P.P., Purcell, A.H. and Lindow, S.E. 2003. Use of a green fluorescent strain for analysis of Xylella fastidiosa colonization of Vitis vinifera. Applied and Environmental Microbiology 69: 7319-7327. (PDF)

Almeida, R.P.P. and Purcell, A.H. 2003. Homalodisca coagulata (Hemiptera, Cicadellidae) transmission of Xylella fastidiosa to almonds. Plant Disease 87: 1255-1259. (PDF)

Marucci, R.C., Giustolin, T.A., Miranda, M.P., Miquelote, H., Almeida, R.P.P., Lopes, J.R.S. 2003. Selection of a non-host plant of Xylella fastidiosa for rearing healthy sharpshooter vectors. Scientia Agricola 60: 669-675. (PDF)

Almeida, R.P.P., Pereira, E.F., Purcell, A.H. and Lopes, J.R.S. 2001. Multiplication and movement of a citrus strain of Xylella fastidiosa within sweet orange. Plant Disease 85: 382-386. (PDF)

Almeida, R.P.P. and Lopes, J.R.S. 1999. Development of immature stages of Dilobopterus costalimai Young, Oncometopia facialis (Signoret) and Homalodisca ignorata Melichar (Hemiptera: Cicadellidae) on citrus. Anais da Sociedade Entomológica do Brasil 28: 174-177. [in portuguese]. (PDF)