Science China Life Sciences

, Volume 62, Issue 4, pp 544–552 | Cite as

The deubiquitinating gene Usp29 is dispensable for fertility in male mice

  • Zhu Huang
  • Manan Khan
  • Jianze Xu
  • Teka Khan
  • Hui Ma
  • Ranjha Khan
  • Hafiz Muhammad Jafar Hussain
  • Xiaohua JiangEmail author
  • Qinghua ShiEmail author
Research Paper


The balanced actions between ubiquitination and deubiquitination precisely control the levels of various proteins vital for spermatogenesis. Ubiquitin-specific processing proteases (USPs) are the largest family of deubiquitinatingenzymes(DUBs), containing more than 50 members. So far, the functions of only a few USPs in male fertility have been studied, the roles of the majority are yet unknown. The present study aimed to explore the function of Usp29 (ubiquitin-specific protease 29) in male fertility. We found that Usp29 showed predominant expression in mouse testis, and its mRNA expression started to increase at 14 days postpartum (dpp), with a peak at 28 and 35 dpp. Using CRISPR/Cas9 technology, we generated Usp29 knockout mice (Usp29-/-). Usp29-/- mice exhibited no overt developmental anomalies. Further examination revealed that Usp29-/- mice had normal fertility and showed no detectable difference in the testis/body weight ratio, testicular and epididymal histology as well as epididymal sperm count from the wild-type littermates. Moreover, Usp29 is not a pseudogene in mice. Taken together, our study first reported that though Usp29 is predominantly expressed in the testis, it is not essential for male fertility in mice.


Usp29 mouse testis fertility 


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We thank Prof. Cheng Deng from Nanjing Normal University and Prof. Zhuqing Shao from Nanjing University for comments. This work was supported by the National Key Research and Developmental Program of China (2018YFC1004700 and 2016YFC1000600), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB19000000), the National Natural Science Foundation of China (31401953, 31630050, 31890780, 31871514 and 81571495) and Major Program of Development Foundation of Hefei Centre for Physical Science and Technology (2018ZYFX005).

Supplementary material

11427_2018_9469_MOESM1_ESM.docx (115 kb)
Table S1 Primers used in PCR


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Zhu Huang
    • 1
    • 2
  • Manan Khan
    • 1
  • Jianze Xu
    • 1
  • Teka Khan
    • 1
    • 3
  • Hui Ma
    • 1
  • Ranjha Khan
    • 1
  • Hafiz Muhammad Jafar Hussain
    • 1
  • Xiaohua Jiang
    • 1
    Email author
  • Qinghua Shi
    • 1
    Email author
  1. 1.Hefei National Laboratory for Physical Sciences at Microscale, The First Affiliated Hospital of USTC, USTC-SJH Joint Center for Human Reproduction and Genetics, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, School of Life Sciences, CAS Center for Excellence in Molecular Cell ScienceUniversity of Science and Technology of China (USTC), Collaborative Innovation Center of Genetics and DevelopmentHefeiChina
  2. 2.The Province Key Laboratory of the Biodiversity Study and Ecology Conservation in Southwest AnhuiLife Science College of Anqing Normal UniversityAnqingChina
  3. 3.Department of ZoologyAbbottabad University of Science and TechnologyAbbottabadPakistan

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