Details

Autor(en) / Beteiligte

• Kenchanmane Raju, Sunil Kumar
• Barnes, Allison C.
• Schnable, James C.
• Roston, Rebecca L.

Titel

Low-temperature tolerance in land plants: Are transcript and membrane responses conserved?

Ist Teil von

• Plant science (Limerick), 2018-11, Vol.276, p.73-86

Ort / Verlag

Ireland: Elsevier B.V

Erscheinungsjahr

2018

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• •Shared transcriptional responses to low temperature occur across multiple species.•Membrane changes in response to low temperature differ within reports from the same species.•Severity, day-length, timing, and light intensity vary across low-temperature stress treatment protocols.•Clear plant phenotype reporting clarifies plant stress severity between studies. Plants’ tolerance of low temperatures is an economically and ecologically important limitation on geographic distributions and growing seasons. Tolerance for low temperatures varies significantly across different plant species, and different mechanisms likely act in different species. In order to survive low-temperature stress, plant membranes must maintain their fluidity in increasingly cold and oxidative cellular environments. The responses of different species to low-temperature stress include changes to the types and desaturation levels of membrane lipids, though the precise lipids affected tend to vary by species. Regulation of membrane dynamics and other low-temperature tolerance factors are controlled by both transcriptional and post-transcriptional mechanisms. Here, we review low-temperature induced changes in both membrane lipid composition and gene transcription across multiple related plant species with differing degrees of low-temperature tolerance. We attempt to define a core set of changes for transcripts and lipids across species and treatment variations. Some responses appear to be consistent across all species for which data are available, while many others appear likely to be species or family-specific. Potential rationales are presented, including variance in testing, reporting and the importance of considering the level of stress perceived by the plant.