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022 _a0176-1617
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQK711.2 JOU
100 1 _aAvalbaev, Azamat
_eauthor
245 1 0 _aExogenous methyl jasmonate regulates cytokinin content by modulating cytokinin oxidase activity in wheat seedlings under salinity
_ccreated by Azamat Avalbaev, Ruslan Yuldashev,Kristina Fedorova, Kirill Somov, Lidiya Vysotskaya, Chulpan Allagulova, Farida Shakirova
264 1 _aAmsterdam:
_bElsevier GmbH,
_c2016.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of plant physiology
_vVolume 191
520 3 _aThe treatment of 4-days-old wheat seedlings with methyl jasmonate (MeJA) in concentration optimal for their growth (0.1 μM) resulted in a rapid transient almost two-fold increase in the level of cytokinins (CKs). MeJA-induced accumulation of CKs was due to inhibition of both cytokinin oxidase (CKX) (cytokinin oxidase/dehydrogenase, EC 1.5.99.12) gene expression and activity of this enzyme. Pretreatment of wheat seedlings with MeJA decreased the growth-retarding effect of sodium chloride salinity and accelerated growth recovery after withdrawal of NaCl from the incubation medium. We speculate that this protective effect of the hormone might be due to MeJA's ability to prevent the salinity-induced decline in CK concentration that was caused by inhibition of gene expression and activity of CKX in wheat seedlings. The data might indicate an important role for endogenous cytokinins in the implementation of growth-promoting and protective effects of exogenous MeJA application on wheat plants.
650 _aMethyl jasmonate
650 _aCytokinin
650 _aCytokinin oxidase
700 _aYuldashev, Ruslan
_eco-author
700 _aFedorova, Kristina
_eco-author
700 _aSomov, Kirill
_eco-author
700 _aVysotskaya, Lidiya
_eco-author
700 _aAllagulova, Chulpan
_eco-author
700 _aShakirova, Farida
_eco-author
856 _uhttps://doi.org/10.1016/j.jplph.2015.11.013
942 _2lcc
_cJA
999 _c169002
_d169002