Sporobolus stapfianus, a model desiccation-tolerant grass

Functional Plant Biology : FPB
D F GaffHamid Reza Ghasempour

Abstract

Sporobolus stapfianus Gandoger, one of ~40 known 'anabiotic'grass species (i.e. 'able to regain vital activity from a state of latent life'), is the most versatile tool for research into desiccation tolerance in vegetative grass tissue. Current knowledge on this species is presented, including the features that suit it for investigations into the plant's ability to survive dehydration of its leaf protoplasm. The main contributors to desiccation tolerance in S. stapfianus leaves appear to be: accumulation during dehydration of protectants of membranes and proteins; mechanisms limiting oxidative damage; a retention of protein synthetic activity in late stages of drying that is linked with changes in gene expression and in the proteomic array; and an ability to retain net synthesis of ATP during drying. S. stapfianus exemplifies an advanced stage of an evolutionary trend in desiccation tolerant plants towards increased importance of the dehydration phase (for induction of tolerance, for synthesis of protectants and for proteomic changes).

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Citations

Feb 11, 2020·Annual Review of Plant Biology·Melvin J OliverJ Derek Bewley
Oct 1, 2017·Functional Plant Biology : FPB·Saulo de T AidarCarolina V Morgante
Feb 1, 2018·Journal of Experimental Botany·Qingwei Zhang, Dorothea Bartels
Jul 1, 2016·Functional Plant Biology : FPB·Mohammad Reza KarbaschiSagadevan G Mundree
Feb 7, 2019·Frontiers in Plant Science·Henry Christopher Janse van RensburgSantiago Signorelli
May 1, 2013·Functional Plant Biology : FPB·Donald F Gaff, Melvin Oliver

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