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STIMULATION OF NODULATION GENES USING SUBSTITUTED FLAVONOID COMPOUNDS
STIMULATION OF NODULATION GENES USING SUBSTITUTED FLAVONOID COMPOUNDS
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机译:用取代的黄酮类化合物刺激结瘤基因
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摘要
Nodulation gene-inducing factors have been isolated and identified. A number of substituted flavones, some of which are components of exudates and extracts of leguminous plants, have been found to induce expression of certain nodulation genes in Rhizobium strains. Three components of clover extract 7,4'-dihydroxyflavone, 7,4'-dihydroxy-3'-methoxyflavone, and 4'-hydroxy-7-methoxyflavone have been identified as nodulation inducers of certain Rhizobium trifolii nod genes. A number of other flavanoids including flavones, flavanones, flavanols and dihydroflavanols, not necessarily found in legume exudates, were also found to induce expression of certain nodulation genes.
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