Nod factor-induced host responses and mechanisms of Nod factor perception
نویسندگان
چکیده
منابع مشابه
Rhizobium nod factor perception and signalling.
Book. (Madison, Wisconsin: www.medicago.org). Etzler, M.E., Kalsi, G., Ewing, N.N., Roberts, N.J., Day, R.B., and Murphy, J.B. (1999). A Nod factor binding lectin with apyrase activity from legume roots. Proc. Natl. Acad. Sci. USA 96, 5856– 5861. Felle, H.H., Kondorosi, E., Kondorosi, A., and Schultze, M. (1995). Nod signal-induced plasma membrane potential changes in alfalfa root hairs are dif...
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A critical step in establishing a successful nitrogen-fixing symbiosis between rhizobia and legume plants is the entrapment of the bacteria between root hair cell walls, usually in characteristic 180 degrees to 360 degrees curls, shepherd's crooks, which are formed by the host's root hairs. Purified bacterial signal molecules, the nodulation factors (NFs), which are lipochitooligosaccharides, i...
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The onset of nodule development, the result of rhizobia-legume symbioses, is determined by the exchange of chemical compounds between microsymbiont and leguminous host plant. Lipo-chitooligosaccharidic nodulation (Nod) factors, secreted by rhizobia, belong to these signal molecules. Nod factors consist of an acylated chitin oligomeric backbone with various substitutions at the (non)reducing-ter...
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The symbiotic association between Rhizobia and legume plants leads to the formation of nitrogenfixing nodules, conferring on host plants the ability to be grown without the addition of nitrogen fertiliser. This symbiosis is characterised by a high level of host specificity, mediated by specific recognition of rhizobial molecules called Nod factors [1]. These are lipochito-oligosaccharides, base...
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Establishment of symbiosis between legumes and rhizobia requires bacterial Nod factors (NFs). The concentration of these lipochitooligosaccharides in the rhizosphere is influenced by plant enzymes. NFs induce on pea (Pisum sativum) a particular extracellular NF hydrolase that releases lipodisaccharides from NFs from Sinorhizobium meliloti. Here, we investigated the ability of non-nodulating pea...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 1996
ISSN: 0028-646X,1469-8137
DOI: 10.1111/j.1469-8137.1996.tb04339.x