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Special Issue «The Evolutionary Life Cycle of Sex Chromosomes»

Январь 6, 2020

A issue that is special of (ISSN 2073-4425). This issue that is special towards the part «Population and Evolutionary Genetics and Genomics».

Unique Issue Information

Intercourse chromosomes represent a specific element of the genome. They perform a essential part in basal procedures such as for example sex dedication, but they are additionally usually tangled up in emergent evolutionary phenomena such as for instance speciation. Just exactly just How intercourse chromosomes are created, mature and perish is an important concern in modern evolutionary biology. Sex chromosomes are thought to evolve from a regular couple of autosomes, originating whenever an autosome set acquires a function that is sex-determining. just How and exactly why this change happens stays mostly unknown. Intercourse chromosomes undergo numerous modifications, such as for instance recombination suppression, degeneration by accumulation of repeated DNA and transposons, dosage settlement to balance the gene services and products of degenerated genes, and gene trafficking to and off their chromosomes. This frequently yields a set of highly-differentiated chromosomes, certainly one of which exhibits the substantial decay attribute of late-stage intercourse chromosomes. Sooner or later, this decrepit chromosome might even be lost, leading to men and women having different amounts of chromosomes. Much stays to be found in regards to the processes that shape sex chromosomes, nevertheless the revolution in genomics, transcriptomics as well as other associated technologies enables us to examine the development of intercourse chromosomes in unprecedented information. This dilemma will address questions regarding the lifecycle of intercourse chromosomes across different groups that are organismal. < (далее…)