Review Article

Genetics of Sex Chromosomes and Sex-linked Molecular Markers in Papaya (Carica papaya L.)  

Priyanka Vashistha1 , Anurag Yadav2 , Upendra Nath Dwivedi1 , Kusum Yadav1
1 Department of Biochemistry, University of Lucknow, Lucknow, India
2 Department of Microbiology, College of Basic Science & Humanities, S.D. Agricultural University, S.K. Nagar, Dist. Banaskantha, Gujarat, India
Author    Correspondence author
Molecular Plant Breeding, 2016, Vol. 7, No. 28   doi: 10.5376/mpb.2016.07.0028
Received: 08 May, 2016    Accepted: 09 Aug., 2016    Published: 12 Aug., 2016
© 2016 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Priyanka V., Anurag Y., Upendra N.D., and Kusum Y., 2016, Genetics of sex chromosomes and sex-linked molecular markers in papaya (Carica papaya L.), Molecular Plant Breeding, 7(28): 1-18 (doi: 10.5376/mpb.2016.07.0028)

Abstract

Papaya (Carica papaya L.) is an edible tropical fruit crop which has several medicinal and nutritional benefits. Sex type determination is more complicated in trioecious papaya at early seedling stage. Many hypothesis and research have been done to understand the genetics of sex determination. Various methods based on morphological, cytological traits and isozyme based markers have been utilized for sex identification, but none of these were efficient to solve the problem of sex identification in papaya at early seedling stage. Hence, sex-linked molecular markers including RAPDs, ISSRs and AFLPs have been developed in papaya and some advanced molecular markers like SSRs and SNPs have been developed in other plant species for sex identification, which indicated that these markers could also be utilized to differentiate male, female and hermaphrodite plants at early seedling stages in papaya.

Keywords
Papaya; Sex chromosomes; Sex-linked markers
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