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Animals
Special Issues
Sex Determination in Ectothermic Vertebrates
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Sex Determination in Ectothermic Vertebrates

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Genetics and Genomics".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 1120

Special Issue Editors

Prof. Dr. Ettore Olmo

E-Mail Website
Guest Editor
Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, IT-60131 Ancona, Italy
Interests: evolutionary biology; vertebrate genome; cytogenetics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Adriana Canapa

E-Mail Website
Guest Editor
Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, IT-60131 Ancona, Italy
Interests: molecular evolution; cytogenetic; vertebrate genome
Prof. Dr. Maria Assunta Biscotti

E-Mail Website
Guest Editor
Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, IT-60131 Ancona, Italy
Interests: evolutionary biology; molecular evolution; repetitive DNA

Special Issue Information

Dear Colleagues,

Sex determination is one of the most important processes in vertebrate embryonic development. In ectothermic vertebrates, various mechanisms coexist, such as those influenced by environmental conditions and those purely based on genetics, including several intermediate states. Therefore, the study of sex determination in ectothermic vertebrates is very useful to understand the evolutionary steps of sex determination and differentiation in animals.

This Special Issue will include studies based on experimental evidence that suggest or update evolutionary models and that address application prospects.

Prof. Dr. Ettore Olmo
Prof. Dr. Adriana Canapa
Prof. Dr. Maria Assunta Biscotti
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • vertebrates
  • evolution
  • sex determination
  • DNA
  • embryology

Published Papers (1 paper)

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Research

12 pages, 645 KiB  
Article
Homology in Sex Determination in Two Distant Spiny Frogs, Nanorana quadranus and Quasipaa yei
by Yu Xiao, Guangjiong Liao, Wei Luo, Yun Xia and Xiaomao Zeng
Animals 2024, 14(13), 1849; https://0-doi-org.brum.beds.ac.uk/10.3390/ani14131849 - 21 Jun 2024
Viewed by 890
Abstract
Sex determination is remarkably diverse, with frequent transitions between sex chromosomes, in amphibians. Under these transitions, some chromosomes are more likely to be recurrently co-opted as sex chromosomes, as they are often observed across deeply divergent taxa. However, little is known about the [...] Read more.
Sex determination is remarkably diverse, with frequent transitions between sex chromosomes, in amphibians. Under these transitions, some chromosomes are more likely to be recurrently co-opted as sex chromosomes, as they are often observed across deeply divergent taxa. However, little is known about the pattern of sex chromosome evolution among closely related groups. Here, we examined sex chromosome and sex determination in two spiny frogs, Nanorana quadranus and Quasipaa yei. We conducted an analysis of genotyping-by-sequencing (GBS) data from a total of 34 individuals to identify sex-specific makers, with the results verified by PCR. The results suggest that chromosome 1 is a homologous sex chromosome with an XY pattern in both species. This chromosome has been evolutionarily conserved across these closely related groups within a period of time. The DMRT1 gene is proposed to be implicated in homology across two distantly related spiny frog species as a putative candidate sex-determining gene. Harboring the DMRT1 gene, chromosome 1 would have been independently co-opted for sex determination in deeply divergent groups of anurans. Full article
(This article belongs to the Special Issue Sex Determination in Ectothermic Vertebrates)
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