Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium
The major antigenic protein 1 (MAP1) of the tick-borne rickettsial pathogen Cowdria ruminantium is encoded by a multigene family containing conserved and variable genes. The part of a locus containing the map1 multigene family that was characterized contained three homologous, but non-identical map1 genes, designated map1-2, map1-1, and map1. Reverse transcriptase-polymerase chain reaction was used to study the transcriptional activity of these genes in isolates of C. ruminantium grown in bovine endothelial cells, in two different tick cell lines, and in Amblyomma variegatum ticks. The map1 gene was always transcribed, whereas transcription of map1-2 was not detected under any of the tested conditions. The map1-1 gene transcript was detected in A. variegatum ticks, but was not found in virulent C. ruminantium Senegal grown in bovine endothelial cells at 30 or 37°C. Interestingly, transcripts of map1-1 were also found in different passages of the in vitro attenuated Senegal isolate grown in bovine endothelial cells, as well as in the Gardel isolate grown in two tick cell lines. When transcribed, map1-1 was present on a polycistronic messenger together with map1.
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Subjects: | L72 - Organismes nuisibles des animaux, L73 - Maladies des animaux, Ehrlichia ruminantium, maladie transmissible par tiques, facteur de transcription, expression des gènes, identification, PCR, http://aims.fao.org/aos/agrovoc/c_34694, http://aims.fao.org/aos/agrovoc/c_24908, http://aims.fao.org/aos/agrovoc/c_35345, http://aims.fao.org/aos/agrovoc/c_27527, http://aims.fao.org/aos/agrovoc/c_3791, http://aims.fao.org/aos/agrovoc/c_34079, |
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dig-cirad-fr-5274512024-01-28T13:45:59Z http://agritrop.cirad.fr/527451/ http://agritrop.cirad.fr/527451/ Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium. Bekker Cornelis P.J., Bell Sakyi Lesly, Paxton Edith A., Martinez Dominique, Bensaïd Albert, Jongejan Frans. 2002. Gene, 285 : 193-201.https://doi.org/10.1016/S0378-1119(02)00408-0 <https://doi.org/10.1016/S0378-1119(02)00408-0> Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium Bekker, Cornelis P.J. Bell Sakyi, Lesly Paxton, Edith A. Martinez, Dominique Bensaïd, Albert Jongejan, Frans eng 2002 Gene L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Ehrlichia ruminantium maladie transmissible par tiques facteur de transcription expression des gènes identification PCR http://aims.fao.org/aos/agrovoc/c_34694 http://aims.fao.org/aos/agrovoc/c_24908 http://aims.fao.org/aos/agrovoc/c_35345 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3791 http://aims.fao.org/aos/agrovoc/c_34079 The major antigenic protein 1 (MAP1) of the tick-borne rickettsial pathogen Cowdria ruminantium is encoded by a multigene family containing conserved and variable genes. The part of a locus containing the map1 multigene family that was characterized contained three homologous, but non-identical map1 genes, designated map1-2, map1-1, and map1. Reverse transcriptase-polymerase chain reaction was used to study the transcriptional activity of these genes in isolates of C. ruminantium grown in bovine endothelial cells, in two different tick cell lines, and in Amblyomma variegatum ticks. The map1 gene was always transcribed, whereas transcription of map1-2 was not detected under any of the tested conditions. The map1-1 gene transcript was detected in A. variegatum ticks, but was not found in virulent C. ruminantium Senegal grown in bovine endothelial cells at 30 or 37°C. Interestingly, transcripts of map1-1 were also found in different passages of the in vitro attenuated Senegal isolate grown in bovine endothelial cells, as well as in the Gardel isolate grown in two tick cell lines. When transcribed, map1-1 was present on a polycistronic messenger together with map1. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/527451/1/527451.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/S0378-1119(02)00408-0 10.1016/S0378-1119(02)00408-0 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=187225 info:eu-repo/semantics/altIdentifier/doi/10.1016/S0378-1119(02)00408-0 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/S0378-1119(02)00408-0 |
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L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Ehrlichia ruminantium maladie transmissible par tiques facteur de transcription expression des gènes identification PCR http://aims.fao.org/aos/agrovoc/c_34694 http://aims.fao.org/aos/agrovoc/c_24908 http://aims.fao.org/aos/agrovoc/c_35345 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3791 http://aims.fao.org/aos/agrovoc/c_34079 L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Ehrlichia ruminantium maladie transmissible par tiques facteur de transcription expression des gènes identification PCR http://aims.fao.org/aos/agrovoc/c_34694 http://aims.fao.org/aos/agrovoc/c_24908 http://aims.fao.org/aos/agrovoc/c_35345 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3791 http://aims.fao.org/aos/agrovoc/c_34079 |
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L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Ehrlichia ruminantium maladie transmissible par tiques facteur de transcription expression des gènes identification PCR http://aims.fao.org/aos/agrovoc/c_34694 http://aims.fao.org/aos/agrovoc/c_24908 http://aims.fao.org/aos/agrovoc/c_35345 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3791 http://aims.fao.org/aos/agrovoc/c_34079 L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Ehrlichia ruminantium maladie transmissible par tiques facteur de transcription expression des gènes identification PCR http://aims.fao.org/aos/agrovoc/c_34694 http://aims.fao.org/aos/agrovoc/c_24908 http://aims.fao.org/aos/agrovoc/c_35345 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3791 http://aims.fao.org/aos/agrovoc/c_34079 Bekker, Cornelis P.J. Bell Sakyi, Lesly Paxton, Edith A. Martinez, Dominique Bensaïd, Albert Jongejan, Frans Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium |
description |
The major antigenic protein 1 (MAP1) of the tick-borne rickettsial pathogen Cowdria ruminantium is encoded by a multigene family containing conserved and variable genes. The part of a locus containing the map1 multigene family that was characterized contained three homologous, but non-identical map1 genes, designated map1-2, map1-1, and map1. Reverse transcriptase-polymerase chain reaction was used to study the transcriptional activity of these genes in isolates of C. ruminantium grown in bovine endothelial cells, in two different tick cell lines, and in Amblyomma variegatum ticks. The map1 gene was always transcribed, whereas transcription of map1-2 was not detected under any of the tested conditions. The map1-1 gene transcript was detected in A. variegatum ticks, but was not found in virulent C. ruminantium Senegal grown in bovine endothelial cells at 30 or 37°C. Interestingly, transcripts of map1-1 were also found in different passages of the in vitro attenuated Senegal isolate grown in bovine endothelial cells, as well as in the Gardel isolate grown in two tick cell lines. When transcribed, map1-1 was present on a polycistronic messenger together with map1. |
format |
article |
topic_facet |
L72 - Organismes nuisibles des animaux L73 - Maladies des animaux Ehrlichia ruminantium maladie transmissible par tiques facteur de transcription expression des gènes identification PCR http://aims.fao.org/aos/agrovoc/c_34694 http://aims.fao.org/aos/agrovoc/c_24908 http://aims.fao.org/aos/agrovoc/c_35345 http://aims.fao.org/aos/agrovoc/c_27527 http://aims.fao.org/aos/agrovoc/c_3791 http://aims.fao.org/aos/agrovoc/c_34079 |
author |
Bekker, Cornelis P.J. Bell Sakyi, Lesly Paxton, Edith A. Martinez, Dominique Bensaïd, Albert Jongejan, Frans |
author_facet |
Bekker, Cornelis P.J. Bell Sakyi, Lesly Paxton, Edith A. Martinez, Dominique Bensaïd, Albert Jongejan, Frans |
author_sort |
Bekker, Cornelis P.J. |
title |
Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium |
title_short |
Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium |
title_full |
Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium |
title_fullStr |
Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium |
title_full_unstemmed |
Transcriptional analysis of the major antigenic protein 1 multigene family of Cowdria ruminantium |
title_sort |
transcriptional analysis of the major antigenic protein 1 multigene family of cowdria ruminantium |
url |
http://agritrop.cirad.fr/527451/ http://agritrop.cirad.fr/527451/1/527451.pdf |
work_keys_str_mv |
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