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Open AccessArticle

Evolution of a Multiple Sex-Chromosome System by Three-Sequential Translocations among Potential Sex-Chromosomes in the Taiwanese Frog Odorrana swinhoana

1
Amphibian Research Center, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
2
Center for Conservation Ecology and Genomics, University of Canberra, Canberra, ACT 2601, Australia
3
School of Life Sciences, National Taiwan Normal University, No. 88, Sec. 4, Tingzhou Road, Tapei 116, Taiwan
4
Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos 13565-090, SP, Brazil
5
Institute of Human Genetics, University Hospital Jena, Am Klinikum 1, 07747 Jena, Germany
6
Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima 739-8528, Japan
7
Department of Genetics, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan, Lat Yao, Chatuchak, Bangkok 10900, Thailand
*
Author to whom correspondence should be addressed.
Academic Editor: Vladimir Joukov
Cells 2021, 10(3), 661; https://doi.org/10.3390/cells10030661
Received: 24 February 2021 / Revised: 13 March 2021 / Accepted: 15 March 2021 / Published: 16 March 2021
(This article belongs to the Special Issue Non-human Chromosome Analysis)
Translocation between sex-chromosomes and autosomes generates multiple sex-chromosome systems. It happens unexpectedly, and therefore, the evolutionary meaning is not clear. The current study shows a multiple sex chromosome system comprising three different chromosome pairs in a Taiwanese brown frog (Odorrana swinhoana). The male-specific three translocations created a system of six sex-chromosomes, ♂X1Y1X2Y2X3Y3-♀X1X1X2X2X3X3. It is unique in that the translocations occurred among three out of the six members of potential sex-determining chromosomes, which are known to be involved in sex-chromosome turnover in frogs, and the two out of three include orthologs of the sex-determining genes in mammals, birds and fishes. This rare case suggests sex-specific, nonrandom translocations and thus provides a new viewpoint for the evolutionary meaning of the multiple sex chromosome system. View Full-Text
Keywords: fusion; autosome; hexavalent; sex-chromosome turnover fusion; autosome; hexavalent; sex-chromosome turnover
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MDPI and ACS Style

Miura, I.; Shams, F.; Lin, S.-M.; de Bello Cioffi, M.; Liehr, T.; Al-Rikabi, A.; Kuwana, C.; Srikulnath, K.; Higaki, Y.; Ezaz, T. Evolution of a Multiple Sex-Chromosome System by Three-Sequential Translocations among Potential Sex-Chromosomes in the Taiwanese Frog Odorrana swinhoana. Cells 2021, 10, 661. https://doi.org/10.3390/cells10030661

AMA Style

Miura I, Shams F, Lin S-M, de Bello Cioffi M, Liehr T, Al-Rikabi A, Kuwana C, Srikulnath K, Higaki Y, Ezaz T. Evolution of a Multiple Sex-Chromosome System by Three-Sequential Translocations among Potential Sex-Chromosomes in the Taiwanese Frog Odorrana swinhoana. Cells. 2021; 10(3):661. https://doi.org/10.3390/cells10030661

Chicago/Turabian Style

Miura, Ikuo; Shams, Foyez; Lin, Si-Min; de Bello Cioffi, Marcelo; Liehr, Thomas; Al-Rikabi, Ahmed; Kuwana, Chiao; Srikulnath, Kornsorn; Higaki, Yuya; Ezaz, Tariq. 2021. "Evolution of a Multiple Sex-Chromosome System by Three-Sequential Translocations among Potential Sex-Chromosomes in the Taiwanese Frog Odorrana swinhoana" Cells 10, no. 3: 661. https://doi.org/10.3390/cells10030661

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