Literature DB >> 1380292

Phylogenetic position of Cowdria ruminantium (Rickettsiales) determined by analysis of amplified 16S ribosomal DNA sequences.

A H van Vliet1, F Jongejan, B A van der Zeijst.   

Abstract

The 16S ribosomal DNA sequence of Cowdria ruminantium, the causative agent of heartwater disease in ruminants, was determined. An analysis of this sequence showed that C. ruminantium forms a tight phylogenetic cluster with the canine pathogen Ehrlichia canis and the human pathogen Ehrlichia chaffeensis. Although a close relationship between the genus Cowdria and several members of the tribe Ehrlichieae has been suspected previously, the tight phylogenetic cluster with E. canis and E. chaffeensis is surprising in view of known differences in host preference and target cells.

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Year:  1992        PMID： 1380292     DOI： 10.1099/00207713-42-3-494

Source DB:  PubMed          Journal:  Int J Syst Bacteriol        ISSN： 0020-7713


  21 in total

1.  Identification of the domain which determines the g,m serotype of the flagellin of Salmonella enteritidis.

Authors:  A J van Asten; K A Zwaagstra; M F Baay; J G Kusters; J H Huis in't Veld; B A van der Zeijst
Journal:  J Bacteriol       Date:  1995-03       Impact factor: 3.490

2.  Transcription analysis of the major antigenic protein 1 multigene family of three in vitro-cultured Ehrlichia ruminantium isolates.

Authors:  Cornelis P J Bekker; Milagros Postigo; Amar Taoufik; Lesley Bell-Sakyi; Conchita Ferraz; Dominique Martinez; Frans Jongejan
Journal:  J Bacteriol       Date:  2005-07       Impact factor: 3.490

3.  Antibody responses to MAP 1B and other Cowdria ruminantium antigens are down regulated in cattle challenged with tick-transmitted heartwater.

Authors:  S M Semu; T F Peter; D Mukwedeya; A F Barbet; F Jongejan; S M Mahan
Journal:  Clin Diagn Lab Immunol       Date:  2001-03

4.  Detection of the agent of heartwater, Cowdria ruminantium, in Amblyomma ticks by PCR: validation and application of the assay to field ticks.

Authors:  T F Peter; A F Barbet; A R Alleman; B H Simbi; M J Burridge; S M Mahan
Journal:  J Clin Microbiol       Date:  2000-04       Impact factor: 5.948

5.  Size variation of the major immunodominant protein of Cowdria ruminantium.

Authors:  A F Barbet; S M Semu; N Chigagure; P J Kelly; F Jongejan; S M Mahan
Journal:  Clin Diagn Lab Immunol       Date:  1994-11

6.  Evaluation of Anaplasma marginale major surface protein 3 (MSP3) as a diagnostic test antigen.

Authors:  A R Alleman; A F Barbet
Journal:  J Clin Microbiol       Date:  1996-02       Impact factor: 5.948

7.  Persistence of Anaplasma ovis infection and conservation of the msp-2 and msp-3 multigene families within the genus Anaplasma.

Authors:  G H Palmer; J R Abbott; D M French; T F McElwain
Journal:  Infect Immun       Date:  1998-12       Impact factor: 3.441

8.  Cytopathic effect, plaque formation, and lysis of Ehrlichia chaffeensis grown on continuous cell lines.

Authors:  P Brouqui; M L Birg; D Raoult
Journal:  Infect Immun       Date:  1994-02       Impact factor: 3.441

9.  Development and evaluation of PCR assay for detection of low levels of Cowdria ruminantium infection in Amblyomma ticks not detected by DNA probe.

Authors:  T F Peter; S L Deem; A F Barbet; R A Norval; B H Simbi; P J Kelly; S M Mahan
Journal:  J Clin Microbiol       Date:  1995-01       Impact factor: 5.948

10.  Detection of Ehrlichia chaffeensis in human tissue by using a species-specific monoclonal antibody.

Authors:  X Yu; P Brouqui; J S Dumler; D Raoult
Journal:  J Clin Microbiol       Date:  1993-12       Impact factor: 5.948
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