期刊
BIOTECHNOLOGY LETTERS
卷 34, 期 5, 页码 973-978出版社
SPRINGER
DOI: 10.1007/s10529-012-0852-4
关键词
Dioecious; Hippophae; RAPD; SCAR; Sex determination
资金
- Defence Research and Development Organisation, India
- CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
The actinorhizal plant seabuckthorn ( L., Elaeagnaceae) is a wind pollinated dioecious crop. To distinguish male genotypes from female genotypes early in the vegetative growth phase, we have developed robust PCR-based marker(s). DNA bulk samples from 20 male and 20 female plants each were screened with 60 RAPD primers. Two primers, OPA-04 and OPT-06 consistently amplified female-specific (FS) polymorphic fragments of 1,164 and 868 bp, respectively, that were absent in the male samples. DNA sequence of the two markers did not exhibit significant similarity to previously characterized sequences. A sequence-characterized amplified region marker (JQ284019) and (JQ284020) designed for the two fragments, continued to amplify the FS allele in 120 female plants but not in 100 male plants tested in the current study. Thus, and are FS markers that can determine the sex of seabuckthorn plants in an early stage and expedite cultivations for industrial applications.
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