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Varga, J., Toth, B., Kocscube, S., Rigo, K., Teren, J. and Kozakiewicz, Z. (2005) Evolutionary relationships among Aspergillus terreus isolates and their relatives. Antonie van Leewenhoek, 88(2), 141-150.

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• TITLE: Genetic variability of Aspergillus terreus from dried grapes

  AUTHORS: Banu Narasimhan, Madhivathani Asokan

  KEYWORDS: Aspergillus Terreus, Dried Grapes, Genetic Variability, RAPD-PCR.

  JOURNAL NAME: Advances in Bioscience and Biotechnology, Vol.1 No.4, October 27, 2010

  ABSTRACT: RAPD was used to examine the genetic variability among five isolates of Aspergillus terreus spp.. Two random primers were selected for the RAPD assay PG01–5’ CAGGTGTTGC 3’ and PG02–5’ CTGGACAGAC 3’ (Progen Technologies). The characterization of Aspergillus terreus species have been mostly applied on the basis of morphology, phenotype and physiology. DNA Polymorphisms are based on differences in DNA sequences and have advantages over protein polymorphisms. But morphological characterization besides molecular tools will remain a basic and powerful key in the identification of Aspergillus terreus species. The objective of the present study was to isolate the fungal contaminants from dried grapes and compare the genomic profile of the Aspergillus terreus speices isolated from the dried grapes, through RAPD analysis. In the present study with primer PG 01 four different discriminations was there among the A. terreus isolates. There was a homology of genotype between the isolates 1 & 3. And with primer PG 02 four different discriminations were there and there was a homology between 1 & 3. The predominant type was type I in primer I & II. The other isolates belonged to 2, 3 and 4. No similarity was detected for isolates 3, 4 and 5 indicating great genomic diversity of A. terreus.