LEA Proteins: Versatility of Form and Function

Alan Tunnacliffe Dirk Hincha Olivier Leprince 1 David Macherel
1 PMS - Physiologie Moléculaire des Semences
Abstract : LEA proteins represent one of the functional elements thought to be important in maintaining viability of organisms and biological structures in the ametabolic dry state. They are found in plant tissues, seeds and pollen, anhydrobiotic invertebratesand some desiccation-tolerant micro-organisms. Recent findings suggest that LEA proteins play various, possibly multiple, roles in the drying cell: they are implicated in the homeostasis of proteins and nucleic acids, in stabilizing cell membranes, in redox balancing and in the formation and stability of the glassy state. This striking versatility might derive from the largely unstructured nature of LEA proteins in solution and the associated structural and functional plasticity.
Keywords : embryogenesis abundant proteins desiccation tolerance water-stress in-vitro arabidopsis-thaliana plant desiccation citrus dehydrin structural disorder freezing tolerance stable protein
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Submitted on : Friday, September 7, 2012 - 3:52:01 PM
Last modification on : Wednesday, March 21, 2018 - 4:08:08 PM

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AGROCAMPUS-OUEST | UNAM | INRA

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Alan Tunnacliffe, Dirk Hincha, Olivier Leprince, David Macherel. LEA Proteins: Versatility of Form and Function. Cerda, E. Dormancy and Resistance in Harsh Environments (coll : Topics in Current Genetics), Springer-Verlag Berlin, pp.91-108, 2010, 978-3-642-12421-1. ⟨10.1007/978-3-642-12422-8_6⟩. ⟨hal-00729697⟩

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