http://www.cnr.it/ontology/cnr/individuo/prodotto/ID26721
Introduction of a novel pathway for IAA biosynthesis to rhizobia alters vetch root nodule development (Articolo in rivista)
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- Label
- Introduction of a novel pathway for IAA biosynthesis to rhizobia alters vetch root nodule development (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Alternative label
Camerini S, Senatore B, Lonardo E, Imperlini E, Bianco C, Moschetti G, Rotino GL, Campion B, Defez R (2008)
Introduction of a novel pathway for IAA biosynthesis to rhizobia alters vetch root nodule development
in Archives of microbiology
(literal)
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- Camerini S, Senatore B, Lonardo E, Imperlini E, Bianco C, Moschetti G, Rotino GL, Campion B, Defez R (literal)
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- Titolo
- Introduction of a novel pathway for IAA biosynthesis to rhizobia alters vetch root nodule development (literal)
- Abstract
- We introduced into Rhizobium leguminosarum bv. viciae LPR1105 a new pathway for the biosynthesis of the auxin, indole-3-acetic acid (IAA), under the control of a stationary phase-activated promoter active both in free-living bacteria and bacteroids. The newly introduced genes are the iaaM gene from Pseudomonas savastanoi and the tms2 gene from Agrobacterium tumefaciens. Free-living bacteria harbouring the promoter-iaaMtms2 construct release into the growth medium 14-fold more IAA than the wild-type parental strain. This IAA overproducing R. l. viciae, the RD20 strain, elicits the development of vetch root nodules containing up to 60-fold more IAA than nodules infected by the wild-type strain LPR1105. Vetch root nodules derived from RD20 are fewer in number per plant, heavier in terms of dry weight and show an enlarged and more active meristem. A significant increase in acetylene reduction activity was measured in nodules elicited in vetch by RD20. (literal)
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