Email this article Ethylene-insensitive Arabidopsis mutants etr1-1 AND ein2-1 have decreased freezing tolerance
- Authors: Popov V.N.1, Deryabin A.N.1, Astakhova N.V.1, Antipina O.V.1, Suvorova T.A.1, Alieva G.P.1, Moshkov I.E.1
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Affiliations:
- K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
- Issue: Vol 487, No 3 (2019)
- Pages: 338-341
- Section: Biochemistry, biophysics, molecular biology
- URL: https://journals.eco-vector.com/0869-5652/article/view/15728
- DOI: https://doi.org/10.31857/S0869-56524873338-341
- ID: 15728
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Abstract
The freezing tolerance of Arabidopsis thaliana (L.) Heynh. was studied in relation to functioning of the ethylene signaling pathway. Constitutive freezing tolerance was compared in wild-type plants (ecotype Col-0) and ethylene-insensitive mutants etr1-1 and ein2-1. For the first time it was established that ethylene-insensitive mutants had by 25-30% lower net photosynthesis rate, the decreased content of soluble sugars and, as a result, lower freezing tolerance. Our work provides evidence that perception and transduction of ethylene signal are necessary for constitutive tolerance of Arabidopsis to low temperature.
About the authors
V. N. Popov
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Author for correspondence.
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
A. N. Deryabin
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
N. V. Astakhova
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
O. V. Antipina
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
T. A. Suvorova
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
G. P. Alieva
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
I. E. Moshkov
K.A. Timiryazev Institute of Plant Physiology of the Russian Academy of Sciences
Email: vnpopov@mail.ru
Russian Federation, 35, Botanicheskaya street, Moscow, 127276
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