Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.

Bovine anaplasmosis is caused by cattle infection with the tick-borne bacterium, Anaplasma marginale. The major surface protein 1a (MSP1a) has been used as a genetic marker for identifying A. marginale strains based on N-terminal tandem repeats and a 5'-UTR microsatellite located in the msp1a g...

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Autores principales: Alejandro Cabezas-Cruz, Lygia M F Passos, Katarzyna Lis, Rachel Kenneil, James J Valdés, Joana Ferrolho, Miray Tonk, Anna E Pohl, Libor Grubhoffer, Erich Zweygarth, Varda Shkap, Mucio F B Ribeiro, Agustín Estrada-Peña, Katherine M Kocan, José de la Fuente
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Publicado: Public Library of Science (PLoS) 2013
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spelling oai:doaj.org-article:ec5d81a7915a4229a2a3d6a36c2ad2402021-11-18T07:42:23ZFunctional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.1932-620310.1371/journal.pone.0065243https://doaj.org/article/ec5d81a7915a4229a2a3d6a36c2ad2402013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23776456/?tool=EBIhttps://doaj.org/toc/1932-6203Bovine anaplasmosis is caused by cattle infection with the tick-borne bacterium, Anaplasma marginale. The major surface protein 1a (MSP1a) has been used as a genetic marker for identifying A. marginale strains based on N-terminal tandem repeats and a 5'-UTR microsatellite located in the msp1a gene. The MSP1a tandem repeats contain immune relevant elements and functional domains that bind to bovine erythrocytes and tick cells, thus providing information about the evolution of host-pathogen and vector-pathogen interactions. Here we propose one nomenclature for A. marginale strain classification based on MSP1a. All tandem repeats among A. marginale strains were classified and the amino acid variability/frequency in each position was determined. The sequence variation at immunodominant B cell epitopes was determined and the secondary (2D) structure of the tandem repeats was modeled. A total of 224 different strains of A. marginale were classified, showing 11 genotypes based on the 5'-UTR microsatellite and 193 different tandem repeats with high amino acid variability per position. Our results showed phylogenetic correlation between MSP1a sequence, secondary structure, B-cell epitope composition and tick transmissibility of A. marginale strains. The analysis of MSP1a sequences provides relevant information about the biology of A. marginale to design vaccines with a cross-protective capacity based on MSP1a B-cell epitopes.Alejandro Cabezas-CruzLygia M F PassosKatarzyna LisRachel KenneilJames J ValdésJoana FerrolhoMiray TonkAnna E PohlLibor GrubhofferErich ZweygarthVarda ShkapMucio F B RibeiroAgustín Estrada-PeñaKatherine M KocanJosé de la FuentePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 6, p e65243 (2013)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Alejandro Cabezas-Cruz
Lygia M F Passos
Katarzyna Lis
Rachel Kenneil
James J Valdés
Joana Ferrolho
Miray Tonk
Anna E Pohl
Libor Grubhoffer
Erich Zweygarth
Varda Shkap
Mucio F B Ribeiro
Agustín Estrada-Peña
Katherine M Kocan
José de la Fuente
Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.
description Bovine anaplasmosis is caused by cattle infection with the tick-borne bacterium, Anaplasma marginale. The major surface protein 1a (MSP1a) has been used as a genetic marker for identifying A. marginale strains based on N-terminal tandem repeats and a 5'-UTR microsatellite located in the msp1a gene. The MSP1a tandem repeats contain immune relevant elements and functional domains that bind to bovine erythrocytes and tick cells, thus providing information about the evolution of host-pathogen and vector-pathogen interactions. Here we propose one nomenclature for A. marginale strain classification based on MSP1a. All tandem repeats among A. marginale strains were classified and the amino acid variability/frequency in each position was determined. The sequence variation at immunodominant B cell epitopes was determined and the secondary (2D) structure of the tandem repeats was modeled. A total of 224 different strains of A. marginale were classified, showing 11 genotypes based on the 5'-UTR microsatellite and 193 different tandem repeats with high amino acid variability per position. Our results showed phylogenetic correlation between MSP1a sequence, secondary structure, B-cell epitope composition and tick transmissibility of A. marginale strains. The analysis of MSP1a sequences provides relevant information about the biology of A. marginale to design vaccines with a cross-protective capacity based on MSP1a B-cell epitopes.
format article
author Alejandro Cabezas-Cruz
Lygia M F Passos
Katarzyna Lis
Rachel Kenneil
James J Valdés
Joana Ferrolho
Miray Tonk
Anna E Pohl
Libor Grubhoffer
Erich Zweygarth
Varda Shkap
Mucio F B Ribeiro
Agustín Estrada-Peña
Katherine M Kocan
José de la Fuente
author_facet Alejandro Cabezas-Cruz
Lygia M F Passos
Katarzyna Lis
Rachel Kenneil
James J Valdés
Joana Ferrolho
Miray Tonk
Anna E Pohl
Libor Grubhoffer
Erich Zweygarth
Varda Shkap
Mucio F B Ribeiro
Agustín Estrada-Peña
Katherine M Kocan
José de la Fuente
author_sort Alejandro Cabezas-Cruz
title Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.
title_short Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.
title_full Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.
title_fullStr Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.
title_full_unstemmed Functional and immunological relevance of Anaplasma marginale major surface protein 1a sequence and structural analysis.
title_sort functional and immunological relevance of anaplasma marginale major surface protein 1a sequence and structural analysis.
publisher Public Library of Science (PLoS)
publishDate 2013
url https://doaj.org/article/ec5d81a7915a4229a2a3d6a36c2ad240
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