Nuclear Disposition of Alien Chromosome Introgressions into Wheat and Rye Using 3D-FISH.

ABSTRACT: During interphase, the chromosomes of eukaryotes decondense and they occupy distinct regions of the nucleus, called chromosome domains or chromosome territories (CTs). In plants, the Rabl's configuration, with telomeres at one pole of nucleus and centromeres at the other, appears to be common, at least in plants with large genomes. It is unclear whether individual chromosomes of plants adopt defined, genetically determined addresses within the nucleus, as is the case in mammals. In this study, the nuclear disposition of alien rye and barley chromosomes and chromosome arm introgressions into wheat while using 3D-FISH in various somatic tissues was analyzed. All of the introgressed chromosomes showed Rabl's orientation, but their relative positions in the nuclei were less clear. While in mos

SUBMITTER: Kolackova V 

PROVIDER: S-EPMC6747102 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature