Classical and molecular approaches as a powerful tool for the characterization of rumen polycentric fungi

  • Fliegerová K
  • Hodrová B
  • Voigt K
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Abstract

Ribosomal ITS1 and ITS2 fragments from 8 isolates of polycentric rumen anaerobic fungi were PCR-amplified and sequenced; the sequences obtained were aligned with published data and phylogenetic analyses were performed. Analysis of the ITS1 fragment clearly differentiated between the two polycentric genera Orpinomyces and Anaeromyces and this classification is supported by morphological observation. A multi-order phylogram based on ITS2 sequences proved that anaerobic rumen fungi are separated from aerobic chytrids, which form a well-supported monophylum with the highest possible bootstrap proportion values of 100%. Sequence analysis of ITS regions is a powerful tool for classification of anaerobic fungi but morphological description of strains is still necessary because some genera of rumen fungi display a high genetic heterogeneity.

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Authors

  • K. Fliegerová

  • B. Hodrová

  • K. Voigt

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