Features of the Proline Synthesis of Pea Seedlings in Depend of Salt and Hyperthermia Treatment Coupled with Ionizing Radiation
Abstract
The
proline is an important amino acid that takes part on live cell protection as
well as adaptation processes to adverse environment stress factors. The effects
of ionizing radiation coupled with salinity or hyperthermia stress factors on
pea seedlings were investigated. Different growth reactions and free proline
content in root of the Pisum sativum L.
seedlings for all treatments were evaluated. The received results of growth
parameters show that some doses of ionizing radiation assists to plants in
resistance to salt and temperature stressors, however this resistance is
short-term. Deviation of plants reactions from additive effect to synergism or
antagonism that can represent crosstalk of signal system was observed. This
work proves that concentration of proline depends of stressors kind, their
combinations and doses. The free proline level is a result of opposite
processes of its synthesis and destruction, release and binding. The
quantification of this amino acid is useful to assess the physiological status
of signal systems crosstalk and more generally to understand stress tolerance
of plants.
Keywords
References
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Details
Primary Language
English
Subjects
Structural Biology
Journal Section
Research Article
Publication Date
July 5, 2018
Submission Date
January 6, 2018
Acceptance Date
March 16, 2018
Published in Issue
Year 2018 Volume: 5 Number: 2
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