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Changes in the composition of phospholipids in nuclear subfractions of wheat seedlings treated with gibberellin

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Abstract

Macromolecule transport between the cytoplasm and nucleus occurs through the nuclear pore complexes with the help of soluble transport factors. The receptors of GA are not yet identified, and the molecular mechanism of plant response to GA is not known so far. We compared the content of phospholipids in the soluble nuclear fraction and nuclear membrane of wheat seedlings on the third and fourth days of germination after treatment with GA. It was shown that GA induced differently directed changes in the composition of phospholipids in nuclear subfractions tested. Changes in the composition of the nuclear membrane are supposed to be involved in the control of gene expression by GA.

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Abbreviations

CL:

cardiolipin

NPC:

nuclear pore complex

PA:

phosphatidic acid

PC:

phosphatidylcholine

PE:

phosphatidylethanolamine

PI:

phosphatidylinosytol

PL:

phospholipids

PS:

phosphatidylserine

RGA:

repressor of GA

SLR :

slender rice gene

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Authors and Affiliations

  1. Yerevan State University, ul. A. Manukyan 1, Yerevan, 375025, Armenia

    L. A. Minasbekyan, Zh. V. Yavroyan, M. R. Darbinyan & P. O. Vardevanyan

Authors
  1. L. A. Minasbekyan
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  2. Zh. V. Yavroyan
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  3. M. R. Darbinyan
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  4. P. O. Vardevanyan
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Correspondence to L. A. Minasbekyan.

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Original Russian Text © L.A. Minasbekyan, Zh.V. Yavroyan, M.R. Darbinyan, P.O. Vardevanyan, 2008, published in Fiziologiya Rastenii, 2008, Vol. 55, No. 3, pp. 412–418.

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Minasbekyan, L.A., Yavroyan, Z.V., Darbinyan, M.R. et al. Changes in the composition of phospholipids in nuclear subfractions of wheat seedlings treated with gibberellin. Russ J Plant Physiol 55, 372–377 (2008). https://doi.org/10.1134/S1021443708030138

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  • DOI: https://doi.org/10.1134/S1021443708030138

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