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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 the rest of 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 closely associated with this disease. Some of the data provided and analyzed
here has been deposited at NCBI and can be accessed via the Liberibacter data available through Genbank link. Other data has not yet been
deposited in public databases and requires registration for access (see Access genome sequence data and genome enabled analyses).

Submit genome sequence data and analyses

Instructions for submission of new sequence data and/or bioinformatic analyses to the CG-HLB web site
Access genome sequence data and analyses

Access to sequence data not yet deposited at NCBI , bioinformatic analyses generated at the CG-HLB web site, and list of registered users with access to the data (registration required). See also:
Ca. Liberibacter data available at NCBI A guide to the nature and sources of Ca. Liberibacter genome sequence data available at NCBI (Genbank and RefSeq) (registration not required)
More information Links to extension publications and other information on citrus greening/HLB
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NEWS

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)

FCPRAC Cornell For assistance or comments on CG-HLB genome resources contact