Abstract

In this study we report the application of sequence-characterized amplified region (SCAR) markers in Ganoderma lucidum for strain identification, the first such study in this medicinal mushroom. One fragment unique to strain No. 9 was identified by inter-simple sequence repeats (ISSR), and then sequenced. Based on the specific fragment, one SCAR primer pair designated as GL612F and GL612R was designed to amplify a 612-bp DNA fragment within the sequenced region. Diagnostic PCR was performed using the primer pair. The results showed that this SCAR marker can clearly distinguish strain No. 9 from other related Ganoderma lucidum strains. Our data provided the foundation for a precise and rapid PCR-based strain-diagnostic system for Ganoderma lucidum.

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