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. 2015 May;82(3):466-480.
doi: 10.1111/tpj.12816. Epub 2015 Mar 27.

The Chlamydomonas Heat Stress Response

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The Chlamydomonas Heat Stress Response

Michael Schroda et al. Plant J. .
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Heat waves occurring at increased frequency as a consequence of global warming jeopardize crop yield safety. One way to encounter this problem is to genetically engineer crop plants toward increased thermotolerance. To identify entry points for genetic engineering, a thorough understanding of how plant cells perceive heat stress and respond to it is required. Using the unicellular green alga Chlamydomonas reinhardtii as a model system to study the fundamental mechanisms of the plant heat stress response has several advantages. Most prominent among them is the suitability of Chlamydomonas for studying stress responses system-wide and in a time-resolved manner under controlled conditions. Here we review current knowledge on how heat is sensed and signaled to trigger temporally and functionally grouped sub-responses termed response elements to prevent damage and to maintain cellular homeostasis in plant cells.

Keywords: Chlamydomonas reinhardtii; cell cycle; compatible solutes; lipid bodies; membrane fluidity; molecular chaperones; photosynthesis.

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