Sex-limited chromosomes and non-reproductive traits

Abstract Sex chromosomes are typically viewed as having originated from a pair of autosomes, and differentiated as the sex-limited chromosome (e.g. Y) has degenerated by losing most genes through cessation of recombination. While often thought that degenerated sex-limited chromosomes primarily affec...

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Main Authors: Aivars Cīrulis, Bengt Hansson, Jessica K. Abbott
Format: Article
Language:English
Published: BMC 2022-07-01
Series:BMC Biology
Subjects:
Online Access:https://doi.org/10.1186/s12915-022-01357-5
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author Aivars Cīrulis
Bengt Hansson
Jessica K. Abbott
author_facet Aivars Cīrulis
Bengt Hansson
Jessica K. Abbott
author_sort Aivars Cīrulis
collection DOAJ
description Abstract Sex chromosomes are typically viewed as having originated from a pair of autosomes, and differentiated as the sex-limited chromosome (e.g. Y) has degenerated by losing most genes through cessation of recombination. While often thought that degenerated sex-limited chromosomes primarily affect traits involved in sex determination and sex cell production, accumulating evidence suggests they also influence traits not sex-limited or directly involved in reproduction. Here, we provide an overview of the effects of sex-limited chromosomes on non-reproductive traits in XY, ZW or UV sex determination systems, and discuss evolutionary processes maintaining variation at sex-limited chromosomes and molecular mechanisms affecting non-reproductive traits.
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spelling doaj.art-71b30e1855624f72b4e227452d00f7332022-12-22T01:26:05ZengBMCBMC Biology1741-70072022-07-0120111810.1186/s12915-022-01357-5Sex-limited chromosomes and non-reproductive traitsAivars Cīrulis0Bengt Hansson1Jessica K. Abbott2Department of Biology, Lund UniversityDepartment of Biology, Lund UniversityDepartment of Biology, Lund UniversityAbstract Sex chromosomes are typically viewed as having originated from a pair of autosomes, and differentiated as the sex-limited chromosome (e.g. Y) has degenerated by losing most genes through cessation of recombination. While often thought that degenerated sex-limited chromosomes primarily affect traits involved in sex determination and sex cell production, accumulating evidence suggests they also influence traits not sex-limited or directly involved in reproduction. Here, we provide an overview of the effects of sex-limited chromosomes on non-reproductive traits in XY, ZW or UV sex determination systems, and discuss evolutionary processes maintaining variation at sex-limited chromosomes and molecular mechanisms affecting non-reproductive traits.https://doi.org/10.1186/s12915-022-01357-5Y chromosomeW chromosomeUV chromosomesHeterochromatinGene expressionSex differences
spellingShingle Aivars Cīrulis
Bengt Hansson
Jessica K. Abbott
Sex-limited chromosomes and non-reproductive traits
BMC Biology
Y chromosome
W chromosome
UV chromosomes
Heterochromatin
Gene expression
Sex differences
title Sex-limited chromosomes and non-reproductive traits
title_full Sex-limited chromosomes and non-reproductive traits
title_fullStr Sex-limited chromosomes and non-reproductive traits
title_full_unstemmed Sex-limited chromosomes and non-reproductive traits
title_short Sex-limited chromosomes and non-reproductive traits
title_sort sex limited chromosomes and non reproductive traits
topic Y chromosome
W chromosome
UV chromosomes
Heterochromatin
Gene expression
Sex differences
url https://doi.org/10.1186/s12915-022-01357-5
work_keys_str_mv AT aivarscirulis sexlimitedchromosomesandnonreproductivetraits
AT bengthansson sexlimitedchromosomesandnonreproductivetraits
AT jessicakabbott sexlimitedchromosomesandnonreproductivetraits