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  • Title: Detection and differentiation of Colletotrichum gloeosporioides isolates using PCR.
    Author: Mills PR, Sreenivasaprasad S, Brown AE.
    Journal: FEMS Microbiol Lett; 1992 Nov 01; 77(1-3):137-43. PubMed ID: 1459401.
    Abstract:
    An oligonucleotide primer (CgInt), synthesised from the variable internally transcribed spacer (ITS) 1 region of ribosomal DNA (rDNA) of Collectotrichum gloeosporioides was used for PCR with primer ITS4 (from a conserved sequence of the rDNA) to amplify a 450-bp fragment from the 25 C. gloeosporioides isolates tested. This specific fragment was amplified from as little as 10 fg of fungal DNA. A similar sized fragment was amplified from DNA extracted from C. gloeosporioides-infected tomato tissue. RAPD analysis divided 39 C. gloeosporioides isolates into more than 12 groups linked to host source and geographic origin. Based on the results obtained, the potential of PCR for detection and differentiation of C. gloeosporioides is discussed.
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