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Citrus Greening-HLB Genome Resources
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Citrus greening (also known as Huanglongbing or HLB) is a devastating agricultural disease threatening citrus production in Florida and many other regions throughout the world. Genome sequence data provide a critically important foundation for characterization of candidate virulence factors, understanding the nutritional requirements and basic physiology, and identification of regions in the sequence suitable for diagnostic probe development.
This site is a community resource designed for dissemination of genome sequence data and related analyses of organisms associated with citrus greening (HLB) with emphasis on the genus Ca. Liberibacter. Most of the analyses provided here are derived from publically available sequence data and can be accessed via the Ca. Liberibacter genome resources link. Data not yet been deposited in public databases requires registration for access (see Access genome sequence data and genome enabled analyses). For information on submitting unpublished data go to Submit genome sequence data and analyses

Ca. Liberibacter genome resources

Tools, links, and bioinformatic data sets including:

Access unpublished sequence data and analyses

Access to sequence data not available through NCBI, analyses of these data, and list of registered users having access (registration required).
(March, 2010: all data on site is presently accessible through the links above)

Submit genome sequence data and analyses

Instructions for submission of new sequence data and/or bioinformatic analyses to the CG-HLB web site
Additional Resources Links to extension publications and other resources related to citrus greening/HLB and Ca. Liberibacter
Admin Pages  

NEWS

May 2010
Featured publication
Guangdong and Florida Populations of 'Candidatus Liberibacter asiaticus' Distinguished by a Genomic Locus with Short Tandem Repeats
Chen et al. Phytopath. 100:567 (abstract)

April 2010
Web site update:
Predicted post-translational modifications of Las proteins, repetitive sequences, and other features of the Las genome now available at the Genome features link

March 2010
Presentations online
Presentations from the 2009 Joint Research Conference on HBL/ACP and Zebra Chip posted by FritoLay (website)

January 2010
Featured publication:
A new diagnostic system for ultra sensitive and specific detection and quantification of Candidatus liberibacter asiaticus, the bacterium associated with citrus huanglongbing
Lin et al. J Microbiol Methods (abstract)

November 2009:
Featured publication:
Characterization of an ATP translocase identified in the destructive plant pathogen, Candidatus Liberibacter asiaticus
Vahling et al. J. Bacteriol. (abstract)

November 2009:
Featured publication:
Confirmation of the Sequence of ‘Candidatus Liberibacter asiaticus’ and Assessment of Microbial Diversity in Huanglongbing-Infected Citrus Phloem Using a Metagenomic Approach
Tyler et al. MPMI 22:1624 (abstract)

November 2009:
Featured publication:
Detection, Distribution, and Genetic Variability of Ca. Liberibacter species associated with Zebra Complex Disease of Potato in North America
Wen et al. Plant Disease 93:1102-15 (abstract)

October 2009:
Pseudogenes annotated in Las Psy62
revealing disruptions in critical metabolic genes(go to access data for more details)

September 2009:
Upcoming Research Meeting
Joint Research Conference on HLB and Zebra Chip, November 16-18, 2009.
McAllen, TX (more info)

July 2009:
Featured publication:
Complete Genome Sequence of Citrus Huanglongbing Bacterium, ‘Candidatus Liberibacter asiaticus’ Obtained Through Metagenomics
Duan, et al. MPMI 22:1011-1020 (abstract)

May 2009:
Featured publication:
Cultivation of 'Candidatus Liberibacter asiaticus', 'Ca. L. africanus', and 'Ca. L. americanus' Associated with Huanglongbing
Sechler, et al. Phytopathology 99:480-6(abstract)

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