Detailed Information on Publication Record
2014
The X Chromosome Is Necessary for Somatic Development in the Dioecious Silene latifolia: Cytogenetic and Molecular Evidence and Sequencing of a Haploid Genome
SOUKUPOVÁ, Magda, Eva NEVRTALOVÁ, Jana ČÍŽKOVÁ, Ivan VOGEL, Radim CEGAN et. al.Basic information
Original name
The X Chromosome Is Necessary for Somatic Development in the Dioecious Silene latifolia: Cytogenetic and Molecular Evidence and Sequencing of a Haploid Genome
Authors
SOUKUPOVÁ, Magda (203 Czech Republic), Eva NEVRTALOVÁ (203 Czech Republic), Jana ČÍŽKOVÁ (203 Czech Republic), Ivan VOGEL (703 Slovakia, guarantor, belonging to the institution), Radim CEGAN (203 Czech Republic), Roman HOBZA (203 Czech Republic) and Boris VYSKOT (203 Czech Republic)
Edition
Cytogenetic and Genome research, Basel, Karger, 2014, 1424-8581
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
Genetics and molecular biology
Country of publisher
Switzerland
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 1.561
RIV identification code
RIV/00216224:14740/14:00074437
Organization unit
Central European Institute of Technology
UT WoS
000342614100010
Keywords in English
Anther culture; Cytometry; Dihaploids; Genome sequencing; Haploid female plants; Sex chromosomes; Silene latifolia
Tags
Tags
International impact, Reviewed
Změněno: 4/3/2015 16:28, Martina Prášilová
Abstract
V originále
Silene latifolia (or white campion) possesses a well-established sex determination system with a dominant Y chromosome in males (the mammalian type). The heteromorphic sex chromosomes X and Y in S. latifolia largely stopped recombination; thus, we can expect a gradual genetic degeneration of the Y chromosome. It is well proven that neither diploid nor polyploid S. latifolia sporophytes can survive without at least one X, so the only life stage possessing the Y as the sole sex chromosome is the male gametophyte (pollen tube), while the female gametophyte seems to be X-dependent. Previous studies on anther-derived plants of this species showed that the obtained plants (largely haploid or dihaploid) were phenotypically and cytologically female. In this paper, we provide molecular evidence for the inviability of plants lacking the X chromosome. Using sex-specific PCR primers, we show that all plantlets and plants derived from anther cultures are female. In studying anther-derived diploid females by sequencing of X-linked markers, we demonstrate that these plants are really homozygous dihaploids. A haploid regenerant plant was sequenced (8x genome coverage) using Illumina technology. Genome data are disposable in the EMBL database as a standard for full genome and X chromosome assembly in this model species. Homozygous dihaploids were back-crossed with males to yield a progeny useful for the study of the evolution of the Y chromosome. (C) 2014 S. Karger AG, Basel
Links
GBP501/12/G090, research and development project |
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