NDLI: Cat fertilization by mouse sperm injection.

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Cat fertilization by mouse sperm injection.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Jin, Yong-Xun Cui, Xiang-Shun Yu, Xian-Feng Lee, Sung-Hyun Wang, Qing-Ling Gao, Wei-Wei Xu, Yong-Nan Sun, Shao-Chen Kong, Il-Keun Kim, Nam-Hyung
Description	Country affiliation: South Korea Author Affiliation: Jin YX ( Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea.)
Abstract	Interspecies intracytoplasmic sperm injection has been carried out to understand species-specific differences in oocyte environments and sperm components during fertilization. While sperm aster organization during cat fertilization requires a paternally derived centriole, mouse and hamster fertilization occur within the maternal centrosomal components. To address the questions of where sperm aster assembly occurs and whether complete fertilization is achieved in cat oocytes by interspecies sperm, we studied the fertilization processes of cat oocytes following the injection of cat, mouse, or hamster sperm. Male and female pronuclear formations were not different in the cat oocytes at 6 h following cat, mouse or hamster sperm injection. Microtubule asters were seen in all oocytes following intracytoplasmic injection of cat, mouse or hamster sperm. Immunocytochemical staining with a histone H3-m2K9 antibody revealed that mouse sperm chromatin is incorporated normally with cat egg chromatin, and that the cat eggs fertilized with mouse sperm enter metaphase and become normal 2-cell stage embryos. These results suggest that sperm aster formation is maternally dependent, and that fertilization processes and cleavage occur in a non-species specific manner in cat oocytes.
File Format	HTM / HTML
ISSN	09671994
Issue Number	4
Volume Number	20
e-ISSN	14698730
Journal	Zygote
Language	English
Publisher	Cambridge University Press
Publisher Date	2012-11-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Embryology Oocytes Metabolism Sperm Injections, Intracytoplasmic Veterinary Spermatozoa Animals Cats Cell Nucleus Chromatin Cricetinae Female Histones Male Mice Cytology Sperm-ovum Interactions Physiology Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Cell Biology Developmental Biology

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