Words similar to rhizobia
Example sentences for: rhizobia
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Rhizobia.txt
Of the six newly identified HGT candidates, four have highest similarity to genes in the nitrogen-fixing soil bacteria that nodulate plant roots and which are collectively termed rhizobia.
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.
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.
Meloidogyne and rhizobia are sympatric (that is, they share an ecological niche in the soil [ 3 ] , and arguably in the plant too [ 31 ] ), satisfying the minimal requirement for an HGT to occur, namely physical proximity.
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