UNSPECIFIED (2001) Auxiliary functions in photosynthesis: the role of the FtsH protease. BIOCHEMICAL SOCIETY TRANSACTIONS, 29 (Part 4). pp. 455-459. ISSN 0300-5127

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Abstract

Oxygenic photosynthesis can be described effectively by using two long-standing models: the Z-scheme and the chemiosmotic hypothesis. However, these models do not reveal the dynamic nature of the thylakoid membrane and the four major complexes that it binds. The composition of the photosynthetic apparatus is continually changing in response to a range of environmental stimuli. In addition, many photosynthetic components have some of the highest turnover rates in Nature. Changes in composition and turnover of photosynthetic components require the degradation of existing and damaged polypeptides and the resynthesis and co-ordinated assembly of new polypeptides and their associated cofactors. This is achieved by several auxiliary functions, including proteolysis, protein targeting and the action of molecular chaperones. Some of the components involved in these functions, such as translocons, chaperones and proteases, have been identified but many of the auxiliary functions of photosynthesis remain uncharacterized. Among the proteases known to be associated with the thylakoids is the zinc metalloprotease FtsH, which might also act as a chaperone. Here we provide an overview of the thylakoid FtsH protease and discuss its role in the maintenance and assembly of the photosynthetic apparatus.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Journal or Publication Title:	BIOCHEMICAL SOCIETY TRANSACTIONS
Publisher:	PORTLAND PRESS
ISSN:	0300-5127
Date:	August 2001
Volume:	29
Number:	Part 4
Number of Pages:	5
Page Range:	pp. 455-459
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/11809

Data sourced from Thomson Reuters' Web of Knowledge

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