Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control

Immune response to Mycobacterium tuberculosis, the causal agent of tuberculosis, is critical for protection. For many decades, consistent to classical biochemistry, most studies regarding immunity to the tubercle bacilli focused mainly on protein structures. But the atypical, highly impermeable and...

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Main Author: Luz M. Lopez-Marin
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Clinical and Developmental Immunology
Online Access:http://dx.doi.org/10.1155/2012/917860
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author Luz M. Lopez-Marin
author_facet Luz M. Lopez-Marin
author_sort Luz M. Lopez-Marin
collection DOAJ
description Immune response to Mycobacterium tuberculosis, the causal agent of tuberculosis, is critical for protection. For many decades, consistent to classical biochemistry, most studies regarding immunity to the tubercle bacilli focused mainly on protein structures. But the atypical, highly impermeable and waxy coat of mycobacteria captured the interest of structural biologists very early, allowing the description of amazing molecules, such as previously unknown carbohydrates or fatty acids of astonishing lengths. From their discovery, cell wall components were identified as important structural pillars, but also as molecular motifs able to alter the human immune response. Recently, as new developments have emerged, classical conceptions of mycobacterial immune modulators have been giving place to unexpected discoveries that, at the turn of the last century, completely changed our perception of immunity vis-à-vis fat compounds. In this paper, current knowledge about chemical and ultrastructural features of mycobacterial cell-wall is overviewed, with an emphasis on the relationships between cell-wall nonpeptide molecules and immune response. Remarks regarding the potential of these molecules for the development of new tools against tuberculosis are finally discussed.
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spelling doaj-art-cab9656a97354f709d8e66c0e5984b242025-02-03T01:27:34ZengWileyClinical and Developmental Immunology1740-25221740-25302012-01-01201210.1155/2012/917860917860Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis ControlLuz M. Lopez-Marin0Centro de Fisica Aplicada y Tecnologia Avanzada, Universidad Nacional Autonoma de Mexico, Campus Juriquilla, Carretera Queretaro-San Luis Potosi km 15.5, 76230 Juriquilla, QRO, MexicoImmune response to Mycobacterium tuberculosis, the causal agent of tuberculosis, is critical for protection. For many decades, consistent to classical biochemistry, most studies regarding immunity to the tubercle bacilli focused mainly on protein structures. But the atypical, highly impermeable and waxy coat of mycobacteria captured the interest of structural biologists very early, allowing the description of amazing molecules, such as previously unknown carbohydrates or fatty acids of astonishing lengths. From their discovery, cell wall components were identified as important structural pillars, but also as molecular motifs able to alter the human immune response. Recently, as new developments have emerged, classical conceptions of mycobacterial immune modulators have been giving place to unexpected discoveries that, at the turn of the last century, completely changed our perception of immunity vis-à-vis fat compounds. In this paper, current knowledge about chemical and ultrastructural features of mycobacterial cell-wall is overviewed, with an emphasis on the relationships between cell-wall nonpeptide molecules and immune response. Remarks regarding the potential of these molecules for the development of new tools against tuberculosis are finally discussed.http://dx.doi.org/10.1155/2012/917860
spellingShingle Luz M. Lopez-Marin
Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control
Clinical and Developmental Immunology
title Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control
title_full Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control
title_fullStr Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control
title_full_unstemmed Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control
title_short Nonprotein Structures from Mycobacteria: Emerging Actors for Tuberculosis Control
title_sort nonprotein structures from mycobacteria emerging actors for tuberculosis control
url http://dx.doi.org/10.1155/2012/917860
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