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Cited by 552

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Complete Genome Sequence of Citrus Huanglongbing Bacterium, ‘Candidatus Liberibacter asiaticus’ Obtained Through Metagenomics

Open access
Duan, Yongping, Zhou, Lijuan, Hall, David G., Li, Wenbin, Doddapaneni, Harshavardhan, Lin, Hong, Liu, Li, Vahling, Cheryl M., Gabriel, Dean W., Williams, Kelly P., Dickerman, Allan, Sun, Yijun, Gottwald, Tim·2009·Molecular Plant-Microbe Interactions®

Abstract

Citrus huanglongbing is the most destructive disease of citrus worldwide. It is spread by citrus psyllids and is associated with a low-titer, phloem-limited infection by any of three uncultured species of α-Proteobacteria, ‘Candidatus Liberibacter asiaticus’, ‘Ca. L. americanus’, and ‘Ca. L. africanus’. A complete circular ‘Ca. L. asiaticus’ genome has been obtained by metagenomics, using the DNA extracted from a single ‘Ca. L. asiaticus’–infected psyllid. The 1.23-Mb genome has an average 36.5% GC content. Annotation revealed a high percentage of genes involved in both cell motility (4.5%) and active transport in general (8.0%), which may contribute to its virulence. ‘Ca. L. asiaticus’ appears to have a limited ability for aerobic respiration and is likely auxotrophic for at least five amino acids. Consistent with its intracellular nature, ‘Ca. L. asiaticus’ lacks type III and type IV secretion systems as well as typical free-living or plant-colonizing extracellular degradative enzymes. ‘Ca. L. asiaticus’ appears to have all type I secretion system genes needed for both multidrug efflux and toxin effector secretion. Multi-protein phylogenetic analysis confirmed ‘Ca. L. asiaticus’ as an early-branching and highly divergent member of the family Rhizobiaceae. This is the first genome sequence of an uncultured α-proteobacteria that is both an intracellular plant pathogen and insect symbiont.

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Crossref · 10.1094/mpmi-22-8-1011

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Metadata

Authors
Duan, Y., Zhou, L., Hall, D. G., Li, W., Doddapaneni, H., Lin, H., Liu, L., Vahling, C. M., Gabriel, D. W., Williams, K. P., Dickerman, A., Sun, Y., & Gottwald, T.
Venue
Molecular Plant-Microbe Interactions®
Published
2009-08
Volume
22
Issue
8
Pages
1011-1020
ISSN
  • 0894-0282 (ISSN-L)
  • 1943-7706
OpenAlex
W2126899791
Cited by
552
References
1
FWCI
29.47
Type
journal article
Language
en
Open access
green

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