Proteomics

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Insight into cellular proteome of Lolium multiflorum/Festuca arundinacea introgression forms to decipher crucial mechanisms of cold acclimation in forage grasses


ABSTRACT: Frost tolerance is the main component of winter-hardiness. To express this trait, plants have to sense low temperature, and respond by activating the process of cold acclimation. The molecular mechanisms of this acclimation have not been fully understood in the agronomically important group of forage grasses, including Lolium-Festuca species. Herein, the introgression forms of L. multiflorum/F. arundinacea distinct with respect to their frost tolerance, were used as models for the comprehensive, proteomic and physiological, research to recognize the crucial components of cold acclimation in forage grasses. The obtained results stressed the importance of photosynthetic performance under acclimation to low temperature. The stable level of photochemical processes after three weeks of cold acclimation in the introgression form with a higher level of frost tolerance, combined simultaneously with the stable level of CO2 assimilation after that period, despite decreased stomatal conductance, indicated the capacity for that form to acclimate its photosynthetic apparatus to low temperature. This phenomenon was driven by the Calvin cycle efficiency, associated with revealed here accumulation profiles and activities of chloroplastic aldolase. The capacity to acclimate the photosynthetic machinery to cold could be one of the most crucial components of forage grass metabolism to improve frost tolerance.

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Festuca Arundinacea Lolium Multiflorum

TISSUE(S): Plant Cell, Leaf

SUBMITTER: Agata Malinowska  

LAB HEAD: Michal Dadlez

PROVIDER: PXD007257 | Pride | 2018-04-10

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
70406647kosm_A_1.dat Other
70406647kosm_A_1.mgf Mgf
70406647kosm_A_1.raw Raw
70406647kosm_A_1.xml Xml
70406648kosm_A_2.dat Other
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Publications

Insight into cellular proteome of Lolium multiflorum/Festuca arundinacea introgression forms to decipher crucial mechanisms of cold acclimation in forage grasses.

Augustyniak Adam A   Perlikowski Dawid D   Rapacz Marcin M   Kościelniak Janusz J   Kosmala Arkadiusz A  

Plant science : an international journal of experimental plant biology 20180407


Frost tolerance is the main component of winter-hardiness. To express this trait, plants sense low temperature, and respond by activating the process of cold acclimation. The molecular mechanisms of this acclimation have not been fully understood in the agronomically important group of forage grasses, including Lolium-Festuca species. Herein, the introgression forms of L. multiflorum/F. arundinacea distinct with respect to their frost tolerance, were used as models for the comprehensive, proteom  ...[more]

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