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 issue that is special towards the part “Population and Evolutionary Genetics and Genomics”.

Unique Problem Information

Intercourse chromosomes represent a specific element of the genome. They perform a crucial part in basal procedures such as for instance sex dedication, but are additionally frequently associated with emergent evolutionary phenomena such as for example speciation. exactly just How intercourse chromosomes are created, mature and perish is a significant concern in modern biology that is evolutionary. Intercourse chromosomes are thought to evolve from a regular couple of autosomes, originating whenever an autosome pair acquires a function that is sex-determining. just How and exactly why this transition occurs 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 settlement to balance the gene services and products 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 decay that is extensive of late-stage intercourse chromosomes. Ultimately, this decrepit chromosome might even be lost, leading to men and women having various 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 permits us to examine the development of intercourse chromosomes in unprecedented information. This matter will address questions regarding the lifecycle of intercourse chromosomes across various organismal teams. < Continue reading “Special Issue “The Evolutionary Life Cycle of Sex Chromosomes””