Molecular identification and characterization of the intervening sequences (IVSs) within 23S ribosomal RNA (rRNA) genes of Taylorella asinigenitalis isolated in France

被引:0
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作者
Tazumi, Akihiro [1 ]
Petry, Sandrine [2 ]
Hayashi, Kyohei [1 ]
Moore, John E. [3 ,4 ]
Millar, Beverley C. [4 ]
Matsuda, Motoo [1 ]
机构
[1] Azabu Univ, Sch Environm Hlth Sci, Mol Biol Lab, Chuo Ku, Sagamihara, Kanagawa 2525201, Japan
[2] IPC, Lab Etud &, AFSSA, F-14430 Goustranville, France
[3] Univ Ulster, Sch Biomed Sci, Coleraine BT52 1SA, Londonderry, North Ireland
[4] Belfast City Hosp, No Ireland Publ Hlth Lab, Dept Bacteriol, Belfast BT9 7AD, Antrim, North Ireland
关键词
Intervening sequences; 23S rRNA gene; Taylorella asinigenitalis; CONTAGIOUS EQUINE METRITIS; COMPLETE NUCLEOTIDE-SEQUENCE; GENITAL-TRACT; FRAGMENTATION; EQUIGENITALIS; STRAINS; CAMPYLOBACTER; POSITION; NOV;
D O I
10.1016/j.rvsc.2010.10.004
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
In the helix 25 region, 32 French Taylorella asinigenitalis isolates carried at least one 235 rRNA gene not containing intervening sequences (IVSs). No IVSs in the region were identified in three isolates and the other remaining 29 isolates carried one or more IVSs (UCD-1(T)IVS1A, UCD-1(T)IVS1B and UK-1IVS1B) described already and two new kinds of IVS (TaIVS1C and TaIVS1D). In the helix 45 region, no T. asinigenitalis isolates not carrying any IVSs were identified. UK-1IVS2B was identified in the region from 26 isolates. Five new kinds of IVSs (TaIVS2D, E, F, G and H) occurred in the region in the 13 isolates. Distinctly different tandem repeat units (RS48 and RS32 and RS-A, -B and -C) were evident in both regions, respectively, from the French (n = 32) and American (n = 3) T. asinigenitalis isolates. Thus, several different kinds of tandem repeat units and their combinations in IVSs in both regions within the gene were shown in 32 French isolates. (C) 2010 Elsevier Ltd. All rights reserved.
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页码:45 / 52
页数:8
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