Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa

Summary Microbes such as Pseudomonas aeruginosa are often challenged by rapidly changing nutritional environments. In order to adapt to these shifts in nutrient availability, bacteria exert tight transcriptional control over the enzymes of central metabolism. This transcriptional control is orchestr...

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Main Authors: Stephen K. Dolan, Greicy Pereira, Rafael Silva‐Rocha, Martin Welch
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Microbial Biotechnology
Online Access:https://doi.org/10.1111/1751-7915.13423
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author Stephen K. Dolan
Greicy Pereira
Rafael Silva‐Rocha
Martin Welch
author_facet Stephen K. Dolan
Greicy Pereira
Rafael Silva‐Rocha
Martin Welch
author_sort Stephen K. Dolan
collection DOAJ
description Summary Microbes such as Pseudomonas aeruginosa are often challenged by rapidly changing nutritional environments. In order to adapt to these shifts in nutrient availability, bacteria exert tight transcriptional control over the enzymes of central metabolism. This transcriptional control is orchestrated by a series of transcriptional repressors and activators. Although a number of these transcription factors have been identified, many others remain uncharacterized. Here, we present a simple pipeline to uncover and validate the targets of uncharacterized transcriptional regulators in P. aeruginosa. We use this approach to identify and confirm that an orthologue of the Pseudomonas fluorescens transcriptional regulator (RccR) binds to the upstream region of isocitrate lyase (aceA) in P. aeruginosa, thereby repressing flux through the glyoxylate shunt during growth on non‐C2 carbon sources.
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spelling doaj.art-b7e6b5791d5744e5a02dd93133d1cd322022-12-22T01:34:18ZengWileyMicrobial Biotechnology1751-79152020-01-0113128528910.1111/1751-7915.13423Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosaStephen K. Dolan0Greicy Pereira1Rafael Silva‐Rocha2Martin Welch3Department of Biochemistry University of Cambridge Cambridge UKFaculdade de Medicina de Ribeirão Preto Universidade de São Paulo Ribeirão Preto BrazilFaculdade de Medicina de Ribeirão Preto Universidade de São Paulo Ribeirão Preto BrazilDepartment of Biochemistry University of Cambridge Cambridge UKSummary Microbes such as Pseudomonas aeruginosa are often challenged by rapidly changing nutritional environments. In order to adapt to these shifts in nutrient availability, bacteria exert tight transcriptional control over the enzymes of central metabolism. This transcriptional control is orchestrated by a series of transcriptional repressors and activators. Although a number of these transcription factors have been identified, many others remain uncharacterized. Here, we present a simple pipeline to uncover and validate the targets of uncharacterized transcriptional regulators in P. aeruginosa. We use this approach to identify and confirm that an orthologue of the Pseudomonas fluorescens transcriptional regulator (RccR) binds to the upstream region of isocitrate lyase (aceA) in P. aeruginosa, thereby repressing flux through the glyoxylate shunt during growth on non‐C2 carbon sources.https://doi.org/10.1111/1751-7915.13423
spellingShingle Stephen K. Dolan
Greicy Pereira
Rafael Silva‐Rocha
Martin Welch
Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa
Microbial Biotechnology
title Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa
title_full Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa
title_fullStr Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa
title_full_unstemmed Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa
title_short Transcriptional regulation of central carbon metabolism in Pseudomonas aeruginosa
title_sort transcriptional regulation of central carbon metabolism in pseudomonas aeruginosa
url https://doi.org/10.1111/1751-7915.13423
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AT greicypereira transcriptionalregulationofcentralcarbonmetabolisminpseudomonasaeruginosa
AT rafaelsilvarocha transcriptionalregulationofcentralcarbonmetabolisminpseudomonasaeruginosa
AT martinwelch transcriptionalregulationofcentralcarbonmetabolisminpseudomonasaeruginosa