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Bacterial chitin degradation: mechanisms and ecophysiological strategies
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Biologiska sektionen, Institutionen för ekologi och genetik, Limnologi.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Biologiska sektionen, Institutionen för ekologi och genetik, Limnologi.
2013 (engelsk)Inngår i: Frontiers in Microbiology, ISSN 1664-302X, E-ISSN 1664-302X, Vol. 4, s. 149-Artikkel, forskningsoversikt (Fagfellevurdert) Published
Abstract [en]

Chitin is one the most abundant polymers in nature and interacts with both carbon and nitrogen cycles. Processes controlling chitin degradation are summarized in reviews published some 20 years ago, but the recent use of culture-independent molecular methods has led to a revised understanding of the ecology and biochemistry of this process and the organisms involved. This review summarizes different mechanisms and the principal steps involved in chitin degradation at a molecular level while also discussing the coupling of community composition to measured chitin hydrolysis activities and substrate uptake. Ecological consequences are then highlighted and discussed with a focus on the cross feeding associated with the different habitats that arise because of the need for extracellular hydrolysis of the chitin polymer prior to metabolic use. Principal environmental drivers of chitin degradation are identified which are likely to influence both community composition of chitin degrading bacteria and measured chitin hydrolysis activities.

sted, utgiver, år, opplag, sider
2013. Vol. 4, s. 149-
Emneord [en]
chitin, particles, organic matter, bacteria, interactions, cross-feeding, glycoside hydrolase
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Identifikatorer
URN: urn:nbn:se:uu:diva-208610DOI: 10.3389/fmicb.2013.00149ISI: 000331170400002OAI: oai:DiVA.org:uu-208610DiVA, id: diva2:653668
Tilgjengelig fra: 2013-10-04 Laget: 2013-10-04 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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