ArticleFunctional & integrative genomics2009
Novel genes related to nodulation, secretion systems, and surface structures revealed by a genome draft of Rhizobium tropici strain PRF 81.
Article in Functional & integrative genomics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Two Broad Host Range Rhizobial Strains Isolated From Relict Legumes Have Various Complementary Effects on Symbiotic Parameters of Co-inoculated Plants.Frontiers in microbiology · 2019Article
- Fast induction of biosynthetic polysaccharide genes lpxA, lpxE, and rkpI of Rhizobium sp. strain PRF 81 by common bean seed exudates is indicative of a key role in symbiosis.Functional & integrative genomics · 2013Article
- Effect of leguminous lectins on the growth of Rhizobium tropici CIAT899.Molecules (Basel, Switzerland) · 2013Article
- Article
- Proteomic profiling of Rhizobium tropici PRF 81: identification of conserved and specific responses to heat stress.BMC microbiology · 2012Article
- Lectin from Canavalia brasiliensis seeds (ConBr) is a valuable biotechnological tool to stimulate the growth of Rhizobium tropici in vitro.Molecules (Basel, Switzerland) · 2012Article
- The nodC, nodG, and glgX genes of Rhizobium tropici strain PRF 81.Functional & integrative genomics · 2010Article
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rhizobium tropici is representative of the diversity of tropical rhizobia, besides comprising strains very effective in fixing N(2) in symbiosis with the common bean (Phaseolus vulgaris L.). The genome of a Brazilian commercial inoculant R. tropici strain (PRF 81, =SEMIA 4088), estimated at 7.85 Mb, was analyzed through a total of 9,026 shotgun reads, assembled in 1,668 phrap contigs, and covering approximately 30% of the genome. Annotation identified 2,135 coding DNA sequences (CDS), and only 57.2% have possible functions. The genome comprises a mosaic of genes, with CDS showing the highest similarities with 134 microorganisms, none of which represents more than 19% of the CDS with putative known functions. The high saprophytic capacity of PRF 81 may reside in a variety of genes related to transport, biodegradation of xenobiotics, defense, and secretion proteins, many of which were reported for the first time in the present study. Novelty was also found in nodulation (nodG, a double nodIJ system, nodT, nolF, nolG) and capsular polysaccharide genes, showing stronger similarities with Sinorhizobium (=Ensifer) than with the main symbionts of the common bean -- R. etli and R. leguminosarum -- suggesting that the original host of R. tropici might be another tropical legume or emphasizing the highly promiscuous nature of this rhizobial species.
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