A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis

Encapsulin nanocompartments are an emerging class of prokaryotic protein-based organelle consisting of an encapsulin protein shell that encloses a protein cargo. Genes encoding nanocompartments are widespread in bacteria and archaea, and recent works have characterized the biochemical function of se...

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Autores principales: Katie A Lien, Kayla Dinshaw, Robert J Nichols, Caleb Cassidy-Amstutz, Matthew Knight, Rahul Singh, Lindsay D Eltis, David F Savage, Sarah A Stanley
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Publicado: eLife Sciences Publications Ltd 2021
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Acceso en línea:https://doaj.org/article/b3fff152f7ee4ad4a13e56e9e94db622
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spelling oai:doaj.org-article:b3fff152f7ee4ad4a13e56e9e94db6222021-12-01T15:40:49ZA nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis10.7554/eLife.743582050-084Xe74358https://doaj.org/article/b3fff152f7ee4ad4a13e56e9e94db6222021-11-01T00:00:00Zhttps://elifesciences.org/articles/74358https://doaj.org/toc/2050-084XEncapsulin nanocompartments are an emerging class of prokaryotic protein-based organelle consisting of an encapsulin protein shell that encloses a protein cargo. Genes encoding nanocompartments are widespread in bacteria and archaea, and recent works have characterized the biochemical function of several cargo enzymes. However, the importance of these organelles to host physiology is poorly understood. Here, we report that the human pathogen Mycobacterium tuberculosis (Mtb) produces a nanocompartment that contains the dye-decolorizing peroxidase DyP. We show that this nanocompartment is important for the ability of Mtb to resist oxidative stress in low pH environments, including during infection of host cells and upon treatment with a clinically relevant antibiotic. Our findings are the first to implicate a nanocompartment in bacterial pathogenesis and reveal a new mechanism that Mtb uses to combat oxidative stress.Katie A LienKayla DinshawRobert J NicholsCaleb Cassidy-AmstutzMatthew KnightRahul SinghLindsay D EltisDavid F SavageSarah A StanleyeLife Sciences Publications LtdarticleMycobacterium tuberculosisencapsulinoxidative defenseMedicineRScienceQBiology (General)QH301-705.5ENeLife, Vol 10 (2021)
institution DOAJ
collection DOAJ
language EN
topic Mycobacterium tuberculosis
encapsulin
oxidative defense
Medicine
R
Science
Q
Biology (General)
QH301-705.5
spellingShingle Mycobacterium tuberculosis
encapsulin
oxidative defense
Medicine
R
Science
Q
Biology (General)
QH301-705.5
Katie A Lien
Kayla Dinshaw
Robert J Nichols
Caleb Cassidy-Amstutz
Matthew Knight
Rahul Singh
Lindsay D Eltis
David F Savage
Sarah A Stanley
A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis
description Encapsulin nanocompartments are an emerging class of prokaryotic protein-based organelle consisting of an encapsulin protein shell that encloses a protein cargo. Genes encoding nanocompartments are widespread in bacteria and archaea, and recent works have characterized the biochemical function of several cargo enzymes. However, the importance of these organelles to host physiology is poorly understood. Here, we report that the human pathogen Mycobacterium tuberculosis (Mtb) produces a nanocompartment that contains the dye-decolorizing peroxidase DyP. We show that this nanocompartment is important for the ability of Mtb to resist oxidative stress in low pH environments, including during infection of host cells and upon treatment with a clinically relevant antibiotic. Our findings are the first to implicate a nanocompartment in bacterial pathogenesis and reveal a new mechanism that Mtb uses to combat oxidative stress.
format article
author Katie A Lien
Kayla Dinshaw
Robert J Nichols
Caleb Cassidy-Amstutz
Matthew Knight
Rahul Singh
Lindsay D Eltis
David F Savage
Sarah A Stanley
author_facet Katie A Lien
Kayla Dinshaw
Robert J Nichols
Caleb Cassidy-Amstutz
Matthew Knight
Rahul Singh
Lindsay D Eltis
David F Savage
Sarah A Stanley
author_sort Katie A Lien
title A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis
title_short A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis
title_full A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis
title_fullStr A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis
title_full_unstemmed A nanocompartment system contributes to defense against oxidative stress in Mycobacterium tuberculosis
title_sort nanocompartment system contributes to defense against oxidative stress in mycobacterium tuberculosis
publisher eLife Sciences Publications Ltd
publishDate 2021
url https://doaj.org/article/b3fff152f7ee4ad4a13e56e9e94db622
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