Polymerase chain reaction amplified markers for bird sexing

Romanov, Michael N and Ellegren, Hans and Dodgson, Jerry B (2001) Polymerase chain reaction amplified markers for bird sexing. In: International Plant and Animal Genome IX Conference, 13-17 January 2001, San Diego, CA, USA. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Abstract

Female birds are heterogametic (Z/W), while males are homogametic (Z/Z). PCR assays are often useful in sexing avian species, especially at hatch or in ovo. Two previously described assays are based on differences between the Z and W copy of the chicken chromodomain-helicase DNA-binding protein gene (CHD1Z and CHD1W). Applicability of these assays were tested in five other galliforms: red junglefowl, turkey, peafowl, bobwhite quail and common quail, and one waterfowl, mallard. Using primers described by Fridolfsson and Ellegren (1999), males of all galliform species studied displayed one 450-bp, Z-specific fragment, whereas females showed both CHD1Z (450-bp) and CHD1W (600-bp) fragments. Both mallard sexes yielded a single product of 600 bp. Using primers designed by Kahn and Quinn (1999), three species, red junglefowl, turkey and peafowl, displayed one Z-specific fragment (240 bp) in males and two fragments (240 and 265 bp) in females. Only a single fragment was obtained, irrespective of sex, in bobwhite quail (250 bp), common quail (275 bp) and mallard (240 bp). By screening a chicken BAC library with a CHD1W genomic fragment, two overlapping BAC inserts were obtained that, by PCR analysis, appear to contain the chicken CHD1Z gene. To date, we have been unable to identify a CHD1W-containing BAC in our library. Additional BAC analysis is underway.

Item Type: Conference or workshop item (Poster)
Subjects: Q Science > QH Natural history > QH426 Genetics
Divisions: Faculties > Sciences > School of Biosciences > Biomedical Research Group
Depositing User: M. Romanov
Date Deposited: 22 Dec 2014 21:56 UTC
Last Modified: 27 Aug 2016 16:32 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/46277 (The current URI for this page, for reference purposes)
Romanov, Michael N: https://orcid.org/0000-0003-3584-4644
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