Refereed Project Publications

Jain, M., Munoz-Bodnar, A., and D.W. Gabriel. 2019. ‘Candidatus Liberibacter asiaticus’ peroxiredoxin (LasBCP) suppresses oxylipin-mediated defense signaling in citrus. J. Plant Physiology 236:61-65. https://doi.org/10.1016/j.jplph.2019.03.001.

Jain, M., Cai, L., Fleites, L.A., Munoz Bodnar, A., Davis, M.J. and Gabriel, D., 2019. Liberibacter crescens is a cultured surrogate for functional genomics of uncultured pathogenic ‘Candidatus Liberibacter’spp. and is naturally competent for transformation. Phytopathology https://doi.org/10.1094/PHYTO-04-19-0129-R.

Merfa e Silva, M.V., Pérez-López, E., Naranjo, E., Jain, M., Gabriel, D.W. and De La Fuente, L. 2019. Progress and obstacles in culturing ‘Candidatus Liberibacter asiaticus’, the bacterium associated with Huanglongbing (HLB). Phytopathology https://doi.org/10.1094/PHYTO-02-19-0051-RVW.

Naranjo, E., Merfa e Silva, M.V., Ferreira, V., Jain, M., Davis, M.J., Bahar, O., Gabriel, D.W. and De La Fuente, L. 2019. Liberibacter crescens biofilm formation in vitro: establishment of a model system for pathogenic ‘Candidatus Liberibacter spp.’. Scientific reports, 9(1), p.5150. https://doi.org/10.1038/s41598-019-41495-5.

Nehela, Y., Killiny, N. 2019. 'Candidatus Liberibacter asiaticus' and Its Vector, Diaphorina citri, Augment the Tricarboxylic Acid Cycle of Their Host via the γ-Aminobutyric Acid Shunt and Polyamines Pathway. Molecular Plant-Microbe Interactions 32: 413-427.

Ginnan, N., Dang, T., Bodaghi, S., Ruegger, P.M., Peacock, B.B., McCollum, T.G., Vidalakis, G., Roper, C., Rolshausen, P., Borneman, J. 2018. Bacterial and fungal next generation sequencing datasets and metadata from citrus infected with 'Candidatus liberibacter asiaticus'. Phytobiomes 2: 64-70. https://doi.org/10.1094/PBIOMES-08-17-0032-A.

Nehela, Y., Hijaz, F., Elzaawely, A. A., El-Zahaby, H. M. and Killiny, N. 2018. ‘Citrus phytohormonal response to Candidatus Liberibacter asiaticus and its vector Diaphorina citri’, Physiological and Molecular Plant Pathology 102, 24–35.

Jain, M., Munoz-Bodnar, A., Zhang, S., and D.W. Gabriel. 2018. A Secreted ‘Candidatus Liberibacter asiaticus’ Peroxiredoxin Simultaneously Suppresses Both Localized and Systemic Innate Immune Responses in Planta. Molec. Plant-Microbe Interact. https://doi.org/10.1094/ MPMI-03-18-0068-R.

Killiny, N. 2018. Generous hosts: Why the larvae of greater wax moth, Galleria mellonella is a perfect infectious host model? Virulence. 9:860–865

Killiny, N., and Jones, S. E. 2018. Metabolic alterations in the nymphal instars of Diaphorina citri induced by Candidatus Liberibacter asiaticus, the putative pathogen of Huanglongbing. PLoS One. 13:e0191871

Killiny, N., Nehela, Y., Hijaz, F., and Vincent, C. I. 2018. A plant pathogenic bacterium exploits the tricarboxylic acid cycle metabolic pathway of its insect vector. Virulence. 9:99–109

Killiny, N., Valim, M. F., Jones, S. E., and Hijaz, F. 2018. Effect of different rootstocks on the leaf metabolite profile of ‘Sugar Belle’ mandarin hybrid. Plant Signal. Behav. 13:e1445934

Nehela, Y., and Killiny, N. 2018. Infection with phytopathogenic bacterium inhibits melatonin biosynthesis, decreases longevity of its vector, and suppresses the free radical-defense. J. Pineal Res.:e12511.

Clark, K., Franco, J.Y., Schwizer, S., Pang, Z., Hawara, E., Liebrand, T.W.H., Pagliaccia, D., Zeng, L., Gurung, F.B., Wang, P, Shi, J., Wang, Y., Ancona, V., van der Hoorn, R.A.L., Wang, N., Coaker, G., Ma, W. 2018. An effector from the Huanglongbing-associated pathogen targets citrus proteases. Nat Commun. 9:1718. doi: 10.1038/s41467-018-04140-9.

Jain, M., L. A. Fleites, and D. W. Gabriel. 2017. A small Wolbachia protein directly represses phage lytic cycle genes in “Candidatus Liberibacter asiaticus” within psyllids. mSphere 2: e00171-17. doi: 10.1128/mSphereDirect.00171-17. "Editor's Pick"

Jain, M., Munoz-Bodnar, A., and D.W. Gabriel. 2017. Concomitant loss of the glyoxalase system and glycolysis makes the uncultured pathogen “Candidatus Liberibacter asiaticus” an energy scavenger. Appl. Env. Microbiol. 83:e01670-17. https://doi.org/10.1128/AEM.01670-17. "AEM Spotlight" feature.

Killiny, N. 2016. Metabolomic comparative analysis of the phloem sap of curry leaf tree (Bergera koenegii), orange jasmine (Murraya paniculata, ), and Valencia sweet orange (Citrus sinensis) supports their differential responses to Huanglongbing. Plant Signaling Behav. 11:e1249080


Published Project Abstracts Presented at Meetings

Jain, M., Black, I., Hawara, E., Azadi, P., Carlson, R., Ma, W., Jones, K.M., and Gabriel, D.W. 2019. Biochemical characterization of Liberibacter crescens lipopolysaccharide (LPS). Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Cai, L, Jain, M., Munoz-Bodnar A., and Gabriel D.W. 2019. Evidence for natural transformation in Liberibacter crescens strain BT-1. Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Cai, L, Jain, M., Munoz-Bodnar A., Fleites, L.A., Sena-Velez, M., Heck, M., Jones, K.M., and Gabriel D.W. 2019. Liberibacter crescens exhibits both flagellar swimming and Type IV pili-mediated twitching motility in culture. Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Jain, M., Munoz-Bodnar A., and Gabriel D.W. 2019. Ca. Liberibacter asiaticus peroxiredoxin (LasBCP) suppresses oxylipin-mediated defense responses in citrus host, providing a potential target for chemical control of HLB. Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Munoz-Bodnar A., Jain, M., and Gabriel D.W. 2019. C2-like repressor may be involved in the Ca. Liberibacter asiaticus SC1 bacteriophage regulation. Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Munoz-Bodnar A., Cai, L., Jain, M., and Gabriel D.W. 2019. Galleria mellonella: A potential artificial host for Liberibacters. Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Sena-Velez, M., Aggarwal, M., Holland, S., Cogan, N., Jain, M., Gabriel, D.W., and Jones, K.M. 2019. Liberibacter crescens rapid death phase in rich medium is due to medium alkalinization via ammonia evolution. Abstracts, International Research Conference on Huanglongbing VI, Riverside, CA, USA.

Merfa, M.V., and L. De La Fuente. 2019. Optimization of grapefruit fruit juice for culturing of ‘Candidatus Liberibacter asiaticus’. 6th International Research Conference on Huanglongbing, Riverside, CA, March 12-15, 2019.

Naranjo, E., S. Santra, M. Young, E. Johnson, and L. De La Fuente. 2019. In vitro antimicrobial activity and mode of action of ZinkicideTM against Liberibacter crescens, a surrogate of ‘Candidatus Liberibacter asiaticus’. 6th International Research Conference on Huanglongbing, Riverside, CA, March 12-15, 2019.

Killiny, N. (2019) Metabolic dissecting of the tritrophic interactions between the huanglongbing pathogen, Candidatus Liberibacter asiaticus, its vector, Diaphorina citri and citrus host. International Research conference on huanglongbing (IRCHLB), March 10th to March 15th, 2019, Riverside, California, USA

Killiny, N. (2019) Chemical evaluation of the tolerance of newly developed citrus cultivars to Huanglongbing. International Research conference on huanglongbing (IRCHLB), March 10th to March 15th, 2019, Riverside, California, USA

Naranjo, Eber, S. Santra, M. Young, P. Rajasekaran, E. Johnson, and L. De La Fuente. 2018. In vitro antimicrobial activity and mode of action of ZinckicideTM against Liberibacter crescens, a surrogate of ‘Candidatus Liberibacter asiaticus’. MISA (Materials Innovation for Sustainable Agriculture) Symposium, University of Central Florida, Orlando, Florida, October 30-November 2, 2018.

Lavagi, I., Osman, F., Vidalakis, G., 2018. The National Clean Plant Network for Citrus: A model system for the prevention of citrus diseases. California Citrus Conference. 10 October 2018, Visallia, California

Dang, T., Bodaghi, S., Lavagi, I., Osman, F., Vidalakis, G., 2018. Next Generation Sequencing as a Routine Diagnostic Tool for Citrus Variety Introduction. California Citrus Conference. 10 October 2018, Visallia, California

Osman, F., Lavagi, I., Bodaghi, S., Coneva, E., Conner, K., Estevez de Jensen, C., Graca, J., Hartung, J., Krueger, R., Melzer, M., Polek, M., Singh, R., Spiers, J., Wright, G., Vidalakis, G., 2018. The National Clean Plant Network-Citrus. UC Riverside Citrus Day for the Industry. Poster. 7 February. Riverside, California.

Lavagi, I., Osman, F., Vidalakis, G., 2018. The National Clean Plant Network for Citrus: A model system for the prevention of citrus diseases. Poster. 25-27 June, Portland, Oregon

Killiny, N. (2018). A bacterial plant pathogen employs the metabolism of its insect vector to fulfill its nutritional and energetic needs. Phytopathology, 108(10): S1.74.

Nehela, Y. and Killiny, N. (2018). Multiple phytohormonal signaling mediates citrus response to the bacterial pathogen Candidatus Liberibacter asiaticus." Phytopathology, 108(10): S1.225.

Gabriel D. W., Jain M., Bodnar A.M., and S. Zhang. 2018. Ca. Liberibacter asiaticus peroxiredoxin and peroxidase are virulence factors critical for survival and colonization of citrus. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Bodnar A. M., Fleites L. A., Jain M. and D.W. Gabriel. 2018. LC2 and LC1 act as key regulators of bacteriophage SC1 in Liberibacter crescens. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Marta Sena-Vélez, Jain M., Gabriel D. W. and Jones K. M. 2018. ’Candidatus Liberibacter asiaticus’ bacteriophage search and the role of the OmpA protein in Liberibacter species. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Naranjo, E., Pérez-López, E., Merfa, M.V,. Jain, M, Davis, M.J., Gabriel, D.W., and L. De La Fuente. 2018. Liberibacter crescens, a presumed bacterial plant pathogen, forms biofilm in vitro. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Merfa, M.V,. Pérez-López, E., and L. De La Fuente. 2018 ‘Candidatus Liberibacter asiaticus’ cells remain viable in citrus seeds for several months. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Clark, K., Schwizer, S., Pang, Z., Franco, J. Hawara, E., Pagliaccia, D., Zeng, L., Wang, N., Coaker, G., and Ma, W. 2018. An effector from the Huanglongbing-associated bacterium targets a specific family of proteases in citrus. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Alabi, O. 2018. Know thy enemy: Culturing Candidatus Liberibacter asiaticus is critical to developing new therapies for Huanglongbing. International Congress of Plant Pathology (ICPP), July 29-Aug 3, Boston.

Bernert A., Jain M., Bodnar A. M., Davis M., and Gabriel D. W. 2017. Assessment of growth media requirements for Liberibacters and making L. crescens more Las-like. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Bodnar A. M., Fleites L. A., Jain M., Bernert A., and Gabriel D. W. 2017. Functional characterization of truncated and full length natural variants of a ‘Ca. Liberibacter asiaticus’ chromosomal LC1-like repressor. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Jain M., and Gabriel D. W. 2017. Absence of a functional glyoxalase system in Candidatus Liberibacter asiaticus confirms that the bacterium scavenges host cells for its energy requirements. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Jain M., Bodnar A. M., Zhang S., and Gabriel D. W. 2017. Chromosomally-encoded peroxiredoxins (CLIBASIA_00980 and CLIBASIA_00485) of Ca. Liberibacter asiaticus may be necessary for survival and colonization of citrus. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Jain M., Bodnar A. M., Fleites L. A., and Gabriel D. W. 2017. Wolbachia protein suppresses holin promoter activity in Ca. Liberibacter asiaticus. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Marta Sena-Vélez, Jain M., Gabriel D. W. and Jones K. M. 2017. Characterization of the outer membrane protein, OmpA, in Liberibacter species and its role as phage receptor. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Pitino, M., Armstrong, C.M. and Yongping Duan. 2017. The accumulation of H2O2 and ATP in infected citrus plants reflect HLB progression and disease severity. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.

Killiny, N. 2017. Chemistry between Candidatus Liberibacter asiaticus and Diaphorina citri that disrupts citrus industries. Proceedings of the V International Research Congress on HLB, held in Orlando, FL, March 15-17.