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The colorful sex chromosomes of teleost fish

Please always quote using this URN: urn:nbn:de:bvb:20-opus-176587
  • Teleost fish provide some of the most intriguing examples of sexually dimorphic coloration, which is often advantageous for only one of the sexes. Mapping studies demonstrated that the genetic loci underlying such color patterns are frequently in tight linkage to the sex-determining locus of a species, ensuring sex-specific expression of the corresponding trait. Several genes affecting color synthesis and pigment cell development have been previously described, but the color loci on the sex chromosomes have mostly remained elusive as yet. Here,Teleost fish provide some of the most intriguing examples of sexually dimorphic coloration, which is often advantageous for only one of the sexes. Mapping studies demonstrated that the genetic loci underlying such color patterns are frequently in tight linkage to the sex-determining locus of a species, ensuring sex-specific expression of the corresponding trait. Several genes affecting color synthesis and pigment cell development have been previously described, but the color loci on the sex chromosomes have mostly remained elusive as yet. Here, we summarize the current knowledge about the genetics of such color loci in teleosts, mainly from studies on poeciliids and cichlids. Further studies on these color loci will certainly provide important insights into the evolution of sex chromosomes.show moreshow less

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Metadaten
Author: Verena A. Kottler, Manfred SchartlORCiD
URN:urn:nbn:de:bvb:20-opus-176587
Document Type:Journal article
Faculties:Medizinische Fakultät / Theodor-Boveri-Institut für Biowissenschaften
Language:English
Parent Title (English):Genes
Year of Completion:2018
Volume:9
Issue:5
Pagenumber:233
Source:Genes 2018, 9(5), 233. DOI: 10.3390/genes9050233
DOI:https://doi.org/10.3390/genes9050233
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 59 Tiere (Zoologie) / 597 Wechselwarme Wirbeltiere; Pisces (Fische)
Tag:coloration; pigment pattern; sex chromosomes; sexual conflict; sexually antagonistic genes; teleost fish
Release Date:2019/02/26
Collections:Open-Access-Publikationsfonds / Förderzeitraum 2018
Licence (German):License LogoCC BY: Creative-Commons-Lizenz: Namensnennung 4.0 International