Abstract
Sequence-related amplified polymorphism (SRAP) is a new molecular marker technology developed based on polymerase chain reaction. The authenticity of 84 progenies of 8 hybrid combinations of Stylosanthes guianensis was identified by SRAP markers to select the true hybrids used in the present study. A total of 35 SRAP primer combinations were selected from the parents of 8 hybrid combinations. The selected polymorphism primer combinations were applied to identify the authenticity of all progenies. The male parents of the primer combinations had specific markers, whereas the female parents did not. 68 progenies exhibited male parent-specific bands, which were identified as true hybrids. The rest of the progenies were considered self-hybrids because of the absence of male parent-specific bands. The results of hybrid identification provided solid evidence for further studies of hybrids and demonstrated SRAP molecular markers as a useful technology for assessing the purity of S. guianensis hybrids.
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Acknowledgments
The authors acknowledge the editors and anonymous reviewers for their valuable comments, all of which helped improve this manuscript. This work was supported by national nonprofit institute research grant of CATAS-TCGRI (No.1630032014028), the modern agro-industry technology research system (No.CARS-35), and science and technology support program found (No.2011BAD17B01-01-5).
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Huang, C.Q., Liu, G.D., Bai, C.J. et al. Application of SRAP markers in the identification of Stylosanthes guianensis hybrids. Mol Biol Rep 41, 5923–5929 (2014). https://doi.org/10.1007/s11033-014-3467-0
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DOI: https://doi.org/10.1007/s11033-014-3467-0