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Special Issue “The Evolutionary Life Cycle of Sex Chromosomes”

Special Issue “The Evolutionary Life Cycle of Sex Chromosomes”

A issue that is special of (ISSN 2073-4425). This unique problem belongs into the area “Population and Evolutionary Genetics and Genomics”.

Unique Issue Information

Intercourse chromosomes represent a specific element of the genome. They play a role that is important basal processes such as for instance sex dedication, but they are additionally frequently tangled up in emergent evolutionary phenomena such as for instance speciation. Exactly How intercourse chromosomes are created, mature and perish is an important concern in modern evolutionary biology. Intercourse chromosomes are considered to evolve from a typical set of autosomes, originating when an autosome set acquires a sex-determining function. How and just why this change happens remains mostly unknown. Intercourse chromosomes undergo numerous modifications, such as for example recombination suppression, degeneration by accumulation of repeated DNA and transposons, dosage settlement to balance the gene items 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 decay that is extensive of late-stage sex chromosomes. Ultimately, this decrepit chromosome might even be lost, causing men and women having various variety 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 matter will deal with questions regarding the lifecycle of intercourse chromosomes across various organismal teams. <