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calopogonium pumilum/flavonoid
Povezava se shrani v odložišče
3 rezultatov
Nod factors of Rhizobium are a key to the legume door.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Symbiotic interactions between rhizobia and legumes are largely controlled by reciprocal signal exchange. Legume roots excrete flavonoids which induce rhizobial nodulation genes to synthesize and excrete lipo-oligosaccharide Nod factors. In turn, Nod factors provoke deformation of the root hairs and
Sulphation of Rhizobium sp. NGR234 Nod factors is dependent on noeE, a new host-specificity gene.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Rhizobia secrete specific lipo-chitooligosaccharide signals (LCOs) called Nod factors that are required for infection and nodulation of legumes. In Rhizobium sp. NGR234, the reducing N-acetyl-D-glucosamine of LCOs is substituted at C6 with 2-O-methyl-L-fucose which can be acetylated or sulphated. We
NolL of Rhizobium sp. strain NGR234 is required for O-acetyltransferase activity.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Following (iso)flavonoid induction, nodulation genes of the symbiotic nitrogen-fixing bacterium Rhizobium sp. strain NGR234 elaborate a large family of lipooligosaccharidic Nod factors (NodNGR factors). When secreted into the rhizosphere of compatible legumes, these signal molecules initiate root
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