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

Special Problem Information

Intercourse chromosomes represent a component that is specialized of genome. They play a crucial part in basal procedures such as for instance intercourse dedication, but are additionally usually associated with emergent evolutionary phenomena such as for instance speciation. just How intercourse chromosomes are created, mature and perish is an important concern in modern evolutionary biology. Intercourse chromosomes are considered to evolve from a regular couple of autosomes, originating when an autosome set acquires a function that is sex-determining. exactly just How and just why this transition takes place continues to be mainly 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 services and products of degenerated genes, and gene trafficking to and off their chromosomes. This usually yields a set of highly-differentiated chromosomes, one of which exhibits the substantial decay attribute of late-stage intercourse chromosomes. Ultimately, this decrepit chromosome could 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 problem will deal with questions regarding the lifecycle of intercourse chromosomes across various groups that are organismal. < More →