Open AccessNucleotide sequence and predicted functions of the entire Sinorhizobium meliloti pSymA megaplasmid
Author(s) -
Melanie J. Barnett,
Robert F. Fisher,
Thomas A. Jones,
C. Komp,
A. Pia Abola,
Frédérique Barloy-Hubler,
Leah Bowser,
Delphine Capela,
Francis Galibert,
Jérôme Gouzy,
Mani Gurjal,
Andrea Hong,
Lucas Huizar,
Richard W. Hyman,
Daniel Kahn,
Michael L. Kahn,
Sumner M. Kalman,
David H. Keating,
Curtis J. Palm,
Melicent C. Peck,
Raymond Surzycki,
Derek H. Wells,
KuoChen Yeh,
Ronald W. Davis,
Nancy A. Federspiel,
Sharon R. Long
Publication year - 2001
Publication title -
proceedings of the national academy of sciences of the united states of america
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.161294798
Subject(s) - sinorhizobium meliloti , sinorhizobium , biology , replicon , genetics , gene , symbiosis , nucleic acid sequence , nitrogen fixation , bacteria , rhizobiaceae , plasmid
The symbiotic nitrogen-fixing soil bacterium Sinorhizobium meliloti contains three replicons: pSymA, pSymB, and the chromosome. We report here the complete 1,354,226-nt sequence of pSymA. In addition to a large fraction of the genes known to be specifically involved in symbiosis, pSymA contains genes likely to be involved in nitrogen and carbon metabolism, transport, stress, and resistance responses, and other functions that give S. meliloti an advantage in its specialized niche.