Special Issue “The Evolutionary Life Cycle of Sex Chromosomes”

A unique problem of Genes (ISSN 2073-4425). This unique problem belongs towards the part “Population and Evolutionary Genetics and Genomics”.

Unique Problem Information

Intercourse chromosomes represent a component that is specialized of genome. They perform a role that is important basal procedures such as for instance intercourse dedication, but are additionally usually associated with emergent evolutionary phenomena such as for instance speciation. Just just How intercourse chromosomes are created, mature and perish is an important concern in modern biology that is evolutionary. Intercourse chromosomes are considered to evolve from a typical set of autosomes, originating whenever an autosome set acquires a function that is sex-determining. just just How and exactly why this change happens continues to be mainly unknown. Intercourse chromosomes undergo numerous modifications, such as for example recombination suppression, degeneration by accumulation of repeated DNA and transposons, dosage payment to balance the gene items of degenerated genes, and gene trafficking to and off their chromosomes. This usually yields a couple of highly-differentiated chromosomes, certainly one of which exhibits the substantial decay attribute of late-stage intercourse chromosomes. Fundamentally, this decrepit chromosome might even be lost, leading to men and women having various variety of chromosomes. Much stays to be discovered in regards to the processes that shape sex chromosomes, nevertheless the revolution in genomics, transcriptomics along with other technologies that are related us to analyze the development of intercourse chromosomes in unprecedented information. This matter will deal with questions regarding the lifecycle of intercourse chromosomes across different organismal teams. <

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