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1999•Journal of Eukaryotic MicrobiologyRequires access

Analysis of Intraspecific Sequence Variation Among Eight Isolates of the Rumen Symbiont, Isotricha prostoma (Ciliophora), from Two Continents

André‐Denis G. Wright

Open publisher page 22 citations

Abstract

The internally transcribed spacer regions 1 and 2 (ITS-1 and ITS-2) and the 5.8S ribosomal RNA gene of Isotricha prostoma were examined for intraspecific sequence variation. There were no differences in the ITS-1/5.8S/ITS-2 region among cattle and sheep isolates of I. prostoma from Australia, Canada, and the United States, indicating that this region is 100% conserved among eight isolates from two continents.

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What this paper is about

The internally transcribed spacer regions 1 and 2 (ITS-1 and ITS-2) and the 5.8S ribosomal RNA gene of Isotricha prostoma were examined for intraspecific sequence variation. There were no differences in the ITS-1/5.8S/ITS-2 region among cattle and sheep isolates of I. prostoma from Australia, Canada, and the United States, indicating that this region is 100% conserved among eight isolates from two continents.

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Available abstract

The internally transcribed spacer regions 1 and 2 (ITS-1 and ITS-2) and the 5.8S ribosomal RNA gene of Isotricha prostoma were examined for intraspecific sequence variation. There were no differences in the ITS-1/5.8S/ITS-2 region among cattle and sheep isolates of I. prostoma from Australia, Canada, and the United States, indicating that this region is 100% conserved among eight isolates from two continents.

Key concepts: Biology, Intraspecific competition, Internal transcribed spacer, Ribosomal RNA, Spacer DNA, Concerted evolution, Genetics, Gene

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Analysis of Intraspecific Sequence Variation Among Eight Isolates of the Rumen Symbiont, Isotricha prostoma (Ciliophora), from Two Continents — Research Paper | ScholarLens