Lipochitooligosaccharide recognition : an ancient story

Chitin is the second most abundant polysaccharide in nature, found in crustacean shells, insect exoskeletons and fungal cell walls. The action of chitin and chitin derivatives on plants has become a very interesting story of late. Chitin is a b1-4-linked polymer of N-acetyl-Dglucosamine(GlcNAc). In...

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Veröffentlicht in:The New phytologist. - 1979. - 204(2014), 2 vom: 08. Okt., Seite 289-96
1. Verfasser: Liang, Yan (VerfasserIn)
Weitere Verfasser: Tóth, Katalin, Cao, Yangrong, Tanaka, Kiwamu, Espinoza, Catherine, Stacey, Gary
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review Myc factors, Nod factors, arbuscular mycorrhizal (AM) symbiosis, innate immunity, lipochitooligosaccharides (LCOs), nodulation, mehr... peptidoglycan Lipopolysaccharides Peptidoglycan lipid-linked oligosaccharides Chitin 1398-61-4
Beschreibung
Zusammenfassung:Chitin is the second most abundant polysaccharide in nature, found in crustacean shells, insect exoskeletons and fungal cell walls. The action of chitin and chitin derivatives on plants has become a very interesting story of late. Chitin is a b1-4-linked polymer of N-acetyl-Dglucosamine(GlcNAc). In this unmodified form, chitooligosaccharides (degree of polymerization(dp) = 6–8)) are strong inducers of plant innate immunity. By contrast, when these chitooligosaccharides are acylated (so-called lipochitooligosaccharides, LCOs) and further modified, they can act as Nod factors, the key signaling molecules that play an important role in the initiation of the legume–rhizobium symbiosis. In a similar form, these molecules can also act as Myc factors, the key signaling molecules involved in the arbuscular mycorrhizal (AM)symbiosis. It has been proposed that Nod factor perception might have evolved from the more ancient AM symbiosis. Increasing evidence now suggests that LCO perception might have evolved from plant innate immunity signaling. In this review, we will discuss the evolutionary origin of symbiotic LCO recognition
Beschreibung:Date Completed 05.06.2015
Date Revised 30.09.2020
published: Print
Citation Status MEDLINE
ISSN:1469-8137
DOI:10.1111/nph.12898