PMID: 11607410Jul 1, 1993Paper

Arabidopsis requires polyunsaturated lipids for low-temperature survival

Proceedings of the National Academy of Sciences of the United States of America
M MiquelJ Browse

Abstract

Mutants of Arabidopsis that contain reduced levels of polyunsaturated fatty acids showed growth characteristics at 22 degrees C that were very similar to wild type. By contrast, at 12 degrees C, the mutants failed to undergo stem elongation during reproductive growth although they produced normal flowers and fertile seeds. After transfer to 6 degrees C, rosette leaves of the mutants gradually died, and the plants were inviable. These different responses of the mutant plants at 12 degrees C and 6 degrees C suggest that distinct functions may be affected at these two temperatures. The gradual development of symptoms at 6 degrees C and other lines of evidence argue against a general collapse of membrane integrity as the cause of the lethal phenotype. Rather, they indicate that the decrease in polyunsaturated membrane lipids may initially have relatively limited effects in disrupting cellular function.

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Citations

Mar 21, 1998·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·H A ThieringerM Inouye
Mar 3, 2005·Aging Clinical and Experimental Research·Ilaria TamburiniEttore Bergamini
Oct 5, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Song-Ji AnByoung-Cheorl Kang
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Sep 10, 2002·Trends in Biochemical Sciences·James G WallisJohn Browse
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Jan 7, 2016·Plant Signaling & Behavior·Qiang LiJitao Zou
Mar 18, 2016·Journal of Phycology·Li-Hsueh WangChii-Shiarng Chen
Jan 11, 2011·Plant Physiology and Biochemistry : PPB·Jinling KangChaofu Lu
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Aug 27, 2014·The Plant Journal : for Cell and Molecular Biology·Jiantao ZhangXiaofeng Wang
Oct 16, 2015·Scientific Reports·Coline MeïFabrice Rébeillé

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