B-Chromosome Variability in Plants and Animals under Extreme Environments-Reference-Cited by-同舟云学术

B-Chromosome Variability in Plants and Animals under Extreme Environments

Published:2023-09-01 Issue:9 Volume:59 Page:1012-1022
ISSN:0016-6758
Container-title:Генетика
language:
Short-container-title:Genetika

Author:

Borisov Yu. M.¹,Sedel’nikova T. S.²

Affiliation:

1. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences

2. Sukachev Institute of Forest Siberian Branch of the Russian of Academy Sciences, Federal Research Center Krasnoyarsk Science Center Siberian Branch of the Russian of Academy Sciences

Abstract

A review of data on B-chromosomes in populations of various systematic groups of plants and animals from their extreme habitats – the borders of the range and areas of the range exposed to unfavorable environmental factors is given. The analysis showed a rather similar picture of the distribution of B chromosomes in species from extreme habitats: there is a tendency to increase the number, occurrence and polymorphism of B chromosomes, which is accompanied by changes in the karyotype, genomic and chromosomal anomalies in their carriers. B chromosomes are often found in species with wide ranges. The possible adaptive role of B chromosomes in the vital activity of the organism and the evolution of genomes is discussed.

Publisher

The Russian Academy of Sciences

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