Genome sequences of three agrobacterium biovars help elucidate the evolution of multichromosome genomes in bacteria

Slater, Steven C., Goldman, Barry S., Goodner, Brad, Setubal, Joao C., Farrand, Stephen K., Nester, Eugene W., Burr, Thomas J., Banta, Lois, Dickerman, Allan W., Paulsen, Ian, Otten, Leon, Suen, Garret, Welch, Roy, Almeida, Nalvo F., Arnold, Frank, Burton, Oliver T., Du, Zijin, Ewing, Adam, Godsy, Eric, Heisel, Sara, Houmiel, Kathryn L., Jhaveri, Jinal, Lu, Jing, Miller, Nancy M., Norton, Stacie, Chen, Qiang, Phoolcharoen, Waranyoo, Ohlin, Victoria, Ondrusek, Dan, Pride, Nicole, Stricklin, Shawn L., Sun, Jian, Wheeler, Cathy, Wilson, Lindsey, Zhu, Huijun and Wood, Derek W. (2009) Genome sequences of three agrobacterium biovars help elucidate the evolution of multichromosome genomes in bacteria. Journal of Bacteriology, 191 8: 2501-2511. doi:10.1128/JB.01779-08


Author Slater, Steven C.
Goldman, Barry S.
Goodner, Brad
Setubal, Joao C.
Farrand, Stephen K.
Nester, Eugene W.
Burr, Thomas J.
Banta, Lois
Dickerman, Allan W.
Paulsen, Ian
Otten, Leon
Suen, Garret
Welch, Roy
Almeida, Nalvo F.
Arnold, Frank
Burton, Oliver T.
Du, Zijin
Ewing, Adam
Godsy, Eric
Heisel, Sara
Houmiel, Kathryn L.
Jhaveri, Jinal
Lu, Jing
Miller, Nancy M.
Norton, Stacie
Chen, Qiang
Phoolcharoen, Waranyoo
Ohlin, Victoria
Ondrusek, Dan
Pride, Nicole
Stricklin, Shawn L.
Sun, Jian
Wheeler, Cathy
Wilson, Lindsey
Zhu, Huijun
Wood, Derek W.
Title Genome sequences of three agrobacterium biovars help elucidate the evolution of multichromosome genomes in bacteria
Formatted title
Genome sequences of three agrobacterium biovars help elucidate the evolution of multichromosome genomes in bacteria
Journal name Journal of Bacteriology   Check publisher's open access policy
ISSN 0021-9193
1098-5530
Publication date 2009-04
Sub-type Article (original research)
DOI 10.1128/JB.01779-08
Open Access Status DOI
Volume 191
Issue 8
Start page 2501
End page 2511
Total pages 11
Place of publication Washington, DC, United States
Publisher American Society for Microbiology
Language eng
Formatted abstract
The family Rhizobiaceae contains plant-associated bacteria with critical roles in ecology and agriculture. Within this family, many Rhizobium and Sinorhizobium strains are nitrogen-fixing plant mutualists, while many strains designated as Agrobacterium are plant pathogens. These contrasting lifestyles are primarily dependent on the transmissible plasmids each strain harbors. Members of the Rhizobiaceae also have diverse genome architectures that include single chromosomes, multiple chromosomes, and plasmids of various sizes. Agrobacterium strains have been divided into three biovars, based on physiological and biochemical properties. The genome of a biovar I strain, A. tumefaciens C58, has been previously sequenced. In this study, the genomes of the biovar II strain A. radiobacter K84, a commercially available biological control strain that inhibits certain pathogenic agrobacteria, and the biovar III strain A. vitis S4, a narrow-host-range strain that infects grapes and invokes a hypersensitive response on nonhost plants, were fully sequenced and annotated. Comparison with other sequenced members of the Alphaproteobacteria provides new data on the evolution of multipartite bacterial genomes. Primary chromosomes show extensive conservation of both gene content and order. In contrast, secondary chromosomes share smaller percentages of genes, and conserved gene order is restricted to short blocks. We propose that secondary chromosomes originated from an ancestral plasmid to which genes have been transferred from a progenitor primary chromosome. Similar patterns are observed in select Beta- and Gammaproteobacteria species. Together, these results define the evolution of chromosome architecture and gene content among the Rhizobiaceae and support a generalized mechanism for second-chromosome formation among bacteria.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Mater Research Institute-UQ (MRI-UQ)
 
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