Hermaphrodism and sex reversal associated with the dominant hemimelia mutation in XY mice
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- SUTO Jun-ichi
- Division of Animal Sciences, National Institute of Agrobiological Sciences
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After two generations of backcrossing six different Y-consomic strains onto a C57BL/6J inbred mouse strain with a dominant hemimelia (Dh) mutation, a small percentage of Dh/+ males containing a Y chromosome from the AKR/J or RF/J strain showed hermaphrodism; they lacked the right testis and had an ovary and a uterus instead. Approximately 15% of Dh/+ females considered to be phenotypically normal had the Sry gene from the AKR/J or RF/J strain; they were actually sex-reversed XY females. Backcrossing of Y chromosomes from BALB/cA, C3H/HeJ, C57BL/6J, DH/Sgn, and DDD/Sgn onto the C57BL/6J strain with Dh did not result in hermaphrodism or sex reversal in adult mice. Subsequent linkage mapping analysis revealed that at least one C57BL/6J-derived homozygous allele at a locus on chromosome 13 was required for hermaphrodism and sex reversal. This condition was genetically distinct from known inherited sex-reversal conditions. It therefore offers a novel opportunity to investigate the genetic basis of sex determination in mammals.<br><br>(Edited by Akira IRITANI, M.J.A.)
収録刊行物
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- Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences
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Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences 85 (8), 337-347, 2009
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詳細情報 詳細情報について
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- CRID
- 1390282679124589696
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- NII論文ID
- 130000138038
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- NII書誌ID
- AA00785485
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- ISSN
- 13492896
- 03862208
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- NDL書誌ID
- 10417736
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用不可