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Genetic Fingerprinting of Abaca and other fiber crops using SSR Markers

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Study investigators: Leny C. Galvez Ph.D., Jose L. Catalla, Jayson C. Asunto, Jayvee A. Rosal

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More than a hundred Abaca cultivars are grown in the Philippines, but only around 20 of them are commercially important (Moreno, 2003). The identity and tensile strength of the abaca fiber determine its market value. Because of the economic significance of abaca, it is of interest to analyze its genetic diversity and develop markers that will identify and distinguish varieties within species.

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Genomic DNA was extracted and used as template in PCR. Designed SSR marker primers were utilized and the PCR products were ran using Fragment Analyzer for analysis. 

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PhilFIDA is now in the development of detection of possible molecular markers in abaca, cotton, and other fiber crops for reliable establishment of descriptors list of different varieties and for possible molecular marker-assisted breeding. This may produce new varieties of abaca with high quality fiber and at the same time, resistance to abaca viruses.

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