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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 towards the area “Population and Evolutionary Genetics and Genomics”.

Unique Problem Information

Intercourse chromosomes represent a specific part of the genome. They perform a essential part in basal procedures such as for example intercourse dedication, but they are additionally frequently associated with emergent evolutionary phenomena such as for example speciation. Just exactly just How intercourse chromosomes are created, mature and perish is an important concern in modern biology that is evolutionary. Intercourse chromosomes are thought to evolve from a regular set of autosomes, originating whenever an autosome set acquires a function that is sex-determining. Just exactly just How and just why this change happens continues to be mostly unknown. Sex chromosomes undergo numerous changes, 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 usually yields a set of highly-differentiated chromosomes, certainly one of which exhibits the considerable decay characteristic of late-stage intercourse chromosomes. Ultimately, this decrepit chromosome could even be lost, causing men and women having various amounts of chromosomes. Much stays to be found concerning the processes that shape sex chromosomes, however the revolution in genomics, transcriptomics as well as other relevant technologies permits us to examine the development of intercourse chromosomes in unprecedented information. This dilemma will deal with questions regarding the lifecycle of intercourse chromosomes across various organismal teams. < Continue reading Special Issue “The Evolutionary Life Cycle of Sex Chromosomes”