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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Identification of putative sex chromosomes in the blue tilapia, Oreochromis aureus, through synaptonemal complex and FISH analysis
Author(s): Campos-Ramos, Rafael
Harvey, Simon C
Masabanda, Julio
Carrasco, Luis A P
Griffin, Darren K
McAndrew, Brendan
Bromage, Niall R
Penman, David
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Keywords: blue tilapia
Oreochromis aureus
sex chromosomes
sex ratio
synaptonemal complex
Issue Date: Jan-2001
Publisher: Springer
Citation: Campos-Ramos R, Harvey SC, Masabanda J, Carrasco LAP, Griffin DK, McAndrew B, Bromage NR & Penman D (2001) Identification of putative sex chromosomes in the blue tilapia, Oreochromis aureus, through synaptonemal complex and FISH analysis, Genetica, 111 (1-3), pp. 143-153.
Abstract: Sex determination in the blue tilapia, Oreochromis aureus, is primarily a ZW female-ZZ male system. Here, by analysis of the pachytene meiotic chromosomes of O. aureus, we demonstrate the presence of two distinct regions of restricted pairing present only in heterogametic fish. The first, a subterminal region of the largest bivalent is located near to the region of unpairing found in the closely related species O. niloticus, while the second is in a small bivalent, most of which was unpaired. These results suggest that O. aureus has two separate pairs of sex chromosomes.
Type: Journal Article
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Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of Stirling
University of Stirling
Brunel University
University of Stirling
Brunel University
University of Stirling

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