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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 part “Population and Evolutionary Genetics and Genomics”.

Unique Problem Information

Intercourse chromosomes represent a specific part of the genome. They perform a crucial part in basal procedures such as for instance intercourse dedication, but are additionally usually tangled up in emergent evolutionary phenomena such as for instance speciation. Exactly exactly How intercourse chromosomes are created, mature and perish is a significant question 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 sex-determining function. Exactly exactly just How and exactly why this change occurs continues to be mostly unknown. Intercourse chromosomes undergo many 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 set of highly-differentiated chromosomes, certainly one of which exhibits the decay that is extensive of late-stage intercourse chromosomes. Ultimately, this decrepit chromosome could even be lost, leading to women and men having various variety of chromosomes. Much stays to be found in regards to the processes that shape sex chromosomes, however the revolution in genomics, transcriptomics as well as other associated technologies enables us to examine the development of intercourse chromosomes in unprecedented detail. This matter will deal with questions regarding the lifecycle of intercourse chromosomes across various organismal teams. < Continue reading