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On page 1 showing 1 ~ 2 papers out of 2 papers

Knobbed acrosome defect is associated with a region containing the genes STK17b and HECW2 on porcine chromosome 15.

  • Anu Sironen‎ et al.
  • BMC genomics‎
  • 2010‎

Male infertility is an increasing problem in all domestic species including man. Localization and identification of genes involved in defects causing male infertility provide valuable information of specific events in sperm development. Correct condensation of the sperm head and development of the acrosome are required for fertile sperm. In the Finnish Yorkshire pig population a knobbed acrosome defect (KAD) has been reported which appears to be of genetic origin. In previous studies we have shown that a large number of affected spermatozoa have a cystic swelling anterior to the apical part of the acrosome.


An exonic insertion within Tex14 gene causes spermatogenic arrest in pigs.

  • Anu Sironen‎ et al.
  • BMC genomics‎
  • 2011‎

Male infertility is an increasing problem in all domestic species including man. Localization and identification of genes involved in defects causing male infertility provide valuable information of specific events in sperm development. Sperm development is a complex process, where diploid spermatogonia develop into haploid, highly specialized spermatozoa. Correct expression and function of various genes and their protein products are required for production of fertile sperm. We have identified an infertility defect in Finnish Yorkshire boars caused by spermatogenic arrest. The aim of this study was to locate the disease associated region using genome wide screen with the PorcineSNP60 Beadchip and identify the causal mutation by candidate gene approach.


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