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StatusReference proteome
Gene counti - Download one protein sequence per gene (FASTA)
Proteome IDiUP000000270
Taxonomy438753 - Azorhizobium caulinodans (strain ATCC 43989 / DSM 5975 / JCM 20966 / NBRC 14845 / NCIMB 13405 / ORS 571)
StrainATCC 43989 / DSM 5975 / JCM 20966 / NBRC 14845 / NCIMB 13405 / ORS 571
Last modifiedApril 26, 2018
Genome assembly and annotationi GCA_000010525.1 from ENA/EMBL

Azorhizobium caulinodans strain ORS571 is a microsymbiont of the water-tolerant tropical legume Sesbania rostrata, forming N2-fixing nodules not only on the roots but also on the stems. It contains nod, nif, and fix genes and so probably initiates nodulation like many of the rhizobia. A.caulinodans ORS571 is able to fix nitrogen in the free-living state, which is not the case for most rhizobia.


Component nameGenome Accession(s)


  1. "Complete genome sequence of the nitrogen-fixing bacterium Azorhizobium caulinodans ORS571."
    Lee K.B., Backer P.D., Aono T., Liu C.T., Suzuki S., Suzuki T., Kaneko T., Yamada M., Tabata S., Kupfer D.M., Najar F.Z., Wiley G.B., Roe B., Binnewies T., Ussery D., Vereecke D., Gevers D., Holsters M., Oyaizu H.
    Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases
  2. "Rhizobial factors required for stem nodule maturation and maintenance in Sesbania rostrata-Azorhizobium caulinodans ORS571 symbiosis."
    Suzuki S., Aono T., Lee KB., Suzuki T., Liu CT., Miwa H., Wakao S., Iki T., Oyaizu H.
    Appl. Environ. Microbiol. 2007:6650-6659(2007) [PubMed] [Europe PMC] [Abstract]
  3. "Comparative genome-wide transcriptional profiling of Azorhizobium caulinodans ORS571 grown under free-living and symbiotic conditions."
    Tsukada S., Aono T., Akiba N., Lee KB., Liu CT., Toyazaki H., Oyaizu H.
    Appl. Environ. Microbiol. 2009:5037-5046(2009) [PubMed] [Europe PMC] [Abstract]
  4. "phrR-like gene praR of Azorhizobium caulinodans ORS571 is essential for symbiosis with Sesbania rostrata and is involved in expression of reb genes."
    Akiba N., Aono T., Toyazaki H., Sato S., Oyaizu H.
    Appl. Environ. Microbiol. 2010:3475-3485(2010) [PubMed] [Europe PMC] [Abstract]
  5. "Involvement of the azorhizobial chromosome partition gene (parA) in the onset of bacteroid differentiation during Sesbania rostrata stem nodule development."
    Liu CT., Lee KB., Wang YS., Peng MH., Lee KT., Suzuki S., Suzuki T., Oyaizu H.
    Appl. Environ. Microbiol. 2011:4371-4382(2011) [PubMed] [Europe PMC] [Abstract]
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