Words similar to nodulation
Example sentences for: nodulation
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TFX is rapidly degraded in nonsterile soil but is readily extractable from sterile soil inoculated with a TFX-producing strain, suggesting that TFX is sensitive to in situ proteolysis [ 14 ] . Despite this rapid turnover, TFX production confers enhanced nodulation efficiency upon TFX-producing Rhizobium strains under field conditions [ 15 ] .
Trifolitoxin production enhances rhizosphere competitiveness of Rhizobium etli CE3 (pT2TFXK) in sterile soil and enhances nodulation efficiency in non-sterile soil when compared to a TFX-sensitive strain [ 20 ] . Trifolitoxin production also increases bean nodulation competitiveness of Rhizobium etli CE3 in the presence of indigenous rhizobia under agricultural conditions [ 15 ] . Field application of R. etli CE3 (pT2TFXK) dramatically reduced the diversity of indigenous α-proteobacteria in the bean rhizosphere without affecting unrelated species [ 13 ] . Thus, TFX production by A. vitis F2/5 should enhance the competitiveness and aid in establishment of this beneficial strain in the rhizosphere.
However, four of these genes do map to the same M. loti linear chromosome (Figure 4), including nodL and the glutamine synthetase gene, both of which are involved in nodulation/nitrogen fixation in rhizobia.
Rhizobia have the ability to transfer genes horizontally to other bacteria, and M. loti carries a 'symbiosis island' which spans approximately 9% of its genome and has been shown to have a role in rhizobial evolution via HGT [ 46 ] . This symbiosis island contains certain genes involved in nodulation and nitrogen-fixation functions, but none of these is a homolog of the nematode HGT candidates we have identified.
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