Finding genes for nodulation
نویسندگان
چکیده
منابع مشابه
Rhizobial Nodulation Genes nodIJ
Although many aand some b-proteobacterial species are symbiotic with legumes, the evolutionary origin of nitrogenfixing nodulation remains unclear. We examined aand b-proteobacteria whose genomes were sequenced using largescale phylogenetic profiling and revealed the evolutionary origin of two nodulation genes. These genes, nodI and nodJ (nodIJ), play key roles in the secretion of Nod factors, ...
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The products of the 'common' nodulation genes of Rhizobium catalyze the synthesis of signal molecules and were once thought to have similar functions in all Rhizobium species; subtle differences in the activities of these gene products have now been discovered that influence the host range of Rhizobium species.
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A set of conserved, or common, bacterial nodulation (nod) loci is required for host plant infection by Rhizobium melioti and other Rhizobium species. Four such genes, nodDABC, have beeii indicated in R. meliloti 021'by genetic analysis and DNA sequencing. An essential step toward Iunderstanding the function of these genes is to characterize their protein products. We used in vitro and maxicell ...
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Recently, much attention has focused on the role that plant lectins play in the establishment of the N2-fixing symbiosis between legumes and bacteria belonging to the genus Rhizobium (1-4, 10). Lectins from legumes interact with the 0 antigen-containing lipopolysaccharides of their rhizobial symbionts (10). The 0-antigen fractions of wild-type and non-nodulating mutant strains of Rhizobium japo...
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ژورنال
عنوان ژورنال: Genome Biology
سال: 2002
ISSN: 1474-760X
DOI: 10.1186/gb-2002-3-12-reports0065