What is the genetic marker unique to the male sex

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Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Few taxa exhibit the variability of sex-determining modes as amphibians. However, due to the presence of homomorphic sex chromosomes in many species, this phenomenon has been difficult to study.
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New Male Specific Markers for Hop and Application in Breeding Program

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New Male Specific Markers for Hop and Application in Breeding Program | Scientific Reports

PfY and PfX is a pair of allelic Y chromosome-linked and X chromosome-linked markers, and have been used to identify YY super-males, XY males and XX females for commercial production of all-male populations in yellow catfish Pelteobagrus fulvidraco. However, the SCAR primers used previously have only two nucleotide difference, which restricts the wide utility because of nucleotide polymorphism. In this study, a continuous bp PfY sequence and a bp PfX sequence have been cloned by genome walking, and significant genetic differentiation has been revealed between the corresponding X and Y chromosome allele sequences. Moreover, three pairs of primers were designed to efficiently identify YY super-males, XY males and XX females in an artificial breeding population, and to distinguish XY males and XX females in various wild populations. Together, the three new sex-specific genetic markers develop a highly stable and efficient method for genetic sex identification and sex control application in sustainable aquaculture of all-male yellow catfish.
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Development of male-specific markers and identification of sex reversal mutants in papaya

Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Male specific DNA sequences were selected from a Diversity Arrays Technology DArT mapping study to evaluate their suitability for determination of the sex phenotype among young seedlings in a hop Humulus lupulus L.
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Sex-specific DNA markers are very helpful for identifying genetic sex and studying sex determination mechanisms in fish. To identify the sex-specific markers of spotted knifejaw Oplegnathus punctatus , we performed a comparative analysis of the female and male genomes. An effective and rapid method based on PCR was then developed to identify the genetic sex. A male-female-shared primer pair and a male-specific primer were designed for PCR amplification to avoid false-negative phenomena.