Abstract:
: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.) breeding program. Ten male specific DArT markers showed complete linkage with male sex phenotype in three crossing families. Following optimization, four were successfully converted into PCR markers and a multiplex PCR approach for their use was developed. Among 197 plants (97 from the world collection; 100 from three segregating families), 94-100% positive correlation with sex phenotypic data was achieved for the single PCR amplification, whereas the multiplex approach showed 100% correlation. To develop a fast and low-cost method, crude sample multiplex PCR was evaluated in 253 progenies from 14 segregating populations without losing accuracy. The study describes, for the first time, the routine application of molecular markers linked to male sex in an intensive Slovenian hop breeding program. The methods described could be employed for screening of sex at the seedling stage in other hop programs worldwide, thereby saving resources for desirable female plants.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Čerenak A,Kolenc Z,Sehur P,Whittock SP,Koutoulis A,Beatson R,Buck E,Javornik B,Škof S,Jakše Jdoi
10.1038/s41598-019-50400-zsubject
Has Abstractpub_date
2019-10-02 00:00:00pages
14223issue
1issn
2045-2322pii
10.1038/s41598-019-50400-zjournal_volume
9pub_type
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