A Rise of Ploidy Level Influences the Rate of Cytomixis in Tobacco Male Meiosis

Overview

Journal Protoplasma

Publisher Springer

Specialty Biology

Date 2015 Nov 11

PMID 26553378

Citations 9

Authors

Sergey Mursalimov

Yuri Sidorchuk

Dmitri Demidov

Armin Meister

Elena Deineko

Affiliations

Soon will be listed here.

Abstract

The effect of plant ploidy level on the rate of cytomixis in microsporogenesis has been analyzed with the help of a unique model, the collection of tobacco plants of different ploidies (2n = 2x = 24, 4x = 48, 6x = 72, and 8x = 96). As has been shown, the rate of cytomixis proportionally increases in 6x and 8x cytotypes, being rather similar in 2x and 4x plants. The rate of cytomixis is highly variable, differing even in the genetically identical plants grown under the same conditions. The cytological pattern of cytomixis in the microsporogenesis of control 4x plants has been compared with the corresponding patterns of 2x, 6x, and 8x plants. Involvement of cytomixis in production of unreduced gametes and stabilization of the newly formed hybrid and polyploidy genomes is discussed.

Citing Articles

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Intercellular nuclear migration in cryofixed tobacco male meiocytes.

Mursalimov S, Ohno N, Deineko E Protoplasma. 2021; 259(5):1371-1376.

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Cytomixis in plants: facts and doubts.

Mursalimov S, Deineko E Protoplasma. 2017; 255(3):719-731.

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