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 gene....

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Main Authors: Cabezas-Cruz, Alejandro, Passos, Lygia M. F., Lis, Katarzyna, Kenneil, Rachel, Valdés, James J., Ferrolho, Joana, Tonk, Miray, Pohl, Anna E., Grubhoffer, Libor, Zweygarth, Erich, Shkap, Varda, Ribeiro, Mucio F. B., Estrada-Peña, Agustín, Kocan, Katherine M., de la Fuente, José
Format: Online
Language:English
Published: Public Library of Science 2013
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3679145/
id pubmed-3679145
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spelling pubmed-36791452013-06-17 Functional and Immunological Relevance of Anaplasma marginale Major Surface Protein 1a Sequence and Structural Analysis Cabezas-Cruz, Alejandro Passos, Lygia M. F. Lis, Katarzyna Kenneil, Rachel Valdés, James J. Ferrolho, Joana Tonk, Miray Pohl, Anna E. Grubhoffer, Libor Zweygarth, Erich Shkap, Varda Ribeiro, Mucio F. B. Estrada-Peña, Agustín Kocan, Katherine M. de la Fuente, José Research Article 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. Public Library of Science 2013-06-11 /pmc/articles/PMC3679145/ /pubmed/23776456 http://dx.doi.org/10.1371/journal.pone.0065243 Text en © 2013 Cabezas-Cruz et al http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Cabezas-Cruz, Alejandro
Passos, Lygia M. F.
Lis, Katarzyna
Kenneil, Rachel
Valdés, James J.
Ferrolho, Joana
Tonk, Miray
Pohl, Anna E.
Grubhoffer, Libor
Zweygarth, Erich
Shkap, Varda
Ribeiro, Mucio F. B.
Estrada-Peña, Agustín
Kocan, Katherine M.
de la Fuente, José
spellingShingle Cabezas-Cruz, Alejandro
Passos, Lygia M. F.
Lis, Katarzyna
Kenneil, Rachel
Valdés, James J.
Ferrolho, Joana
Tonk, Miray
Pohl, Anna E.
Grubhoffer, Libor
Zweygarth, Erich
Shkap, Varda
Ribeiro, Mucio F. B.
Estrada-Peña, Agustín
Kocan, Katherine M.
de la Fuente, José
Functional and Immunological Relevance of Anaplasma marginale Major Surface Protein 1a Sequence and Structural Analysis
author_facet Cabezas-Cruz, Alejandro
Passos, Lygia M. F.
Lis, Katarzyna
Kenneil, Rachel
Valdés, James J.
Ferrolho, Joana
Tonk, Miray
Pohl, Anna E.
Grubhoffer, Libor
Zweygarth, Erich
Shkap, Varda
Ribeiro, Mucio F. B.
Estrada-Peña, Agustín
Kocan, Katherine M.
de la Fuente, José
author_sort Cabezas-Cruz, Alejandro
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
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.
publisher Public Library of Science
publishDate 2013
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3679145/
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