GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance

Abstract Methylglyoxal(MG) is a potent cytotoxin that is produced as a byproduct of various metabolic reactions in the cell. The major enzymes for MG detoxification are Glyoxalase I(GLYI), Glyoxalase II(GLYII) and D-lactate dehydrogenase(D-LDH). These three enzymes work together and convert MG into...

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Autores principales: Muskan Jain, Preeti Nagar, Ayush Sharma, Rituraj Batth, Sakshi Aggarwal, Sumita Kumari, Ananda Mustafiz
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Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/3394687f7df74264bb3857df650f43ec
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spelling oai:doaj.org-article:3394687f7df74264bb3857df650f43ec2021-12-02T15:05:17ZGLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance10.1038/s41598-018-23806-42045-2322https://doaj.org/article/3394687f7df74264bb3857df650f43ec2018-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-23806-4https://doaj.org/toc/2045-2322Abstract Methylglyoxal(MG) is a potent cytotoxin that is produced as a byproduct of various metabolic reactions in the cell. The major enzymes for MG detoxification are Glyoxalase I(GLYI), Glyoxalase II(GLYII) and D-lactate dehydrogenase(D-LDH). These three enzymes work together and convert MG into D-pyruvate, which directly goes to TCA cycle. Here, a comparative study of the ability of MG detoxification of these three enzymes has been done in both E. coli and yeast. Ectopic expression of these three genes from Arabidopsis in E. coli in presence of different abiotic stress revealed the contribution of each of these genes in detoxifying MG. Yeast mutants of MG detoxification enzymes were also grown in different stress conditions to record the effect of each gene. These mutants were also used for complementation assays using the respective MG detoxifying genes from Arabidopsis in presence of various stress conditions. The MG content and the corresponding growth of cells was measured in all the bacterial as well as yeast strains. This study reveals differential contribution of MG detoxification enzymes in mitigating MG levels and alleviating stress in both prokaryotes as well as eukaryotes. GLYI and D-LDH were found to be key enzymes in MG detoxification under various abiotic stresses.Muskan JainPreeti NagarAyush SharmaRituraj BatthSakshi AggarwalSumita KumariAnanda MustafizNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Muskan Jain
Preeti Nagar
Ayush Sharma
Rituraj Batth
Sakshi Aggarwal
Sumita Kumari
Ananda Mustafiz
GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance
description Abstract Methylglyoxal(MG) is a potent cytotoxin that is produced as a byproduct of various metabolic reactions in the cell. The major enzymes for MG detoxification are Glyoxalase I(GLYI), Glyoxalase II(GLYII) and D-lactate dehydrogenase(D-LDH). These three enzymes work together and convert MG into D-pyruvate, which directly goes to TCA cycle. Here, a comparative study of the ability of MG detoxification of these three enzymes has been done in both E. coli and yeast. Ectopic expression of these three genes from Arabidopsis in E. coli in presence of different abiotic stress revealed the contribution of each of these genes in detoxifying MG. Yeast mutants of MG detoxification enzymes were also grown in different stress conditions to record the effect of each gene. These mutants were also used for complementation assays using the respective MG detoxifying genes from Arabidopsis in presence of various stress conditions. The MG content and the corresponding growth of cells was measured in all the bacterial as well as yeast strains. This study reveals differential contribution of MG detoxification enzymes in mitigating MG levels and alleviating stress in both prokaryotes as well as eukaryotes. GLYI and D-LDH were found to be key enzymes in MG detoxification under various abiotic stresses.
format article
author Muskan Jain
Preeti Nagar
Ayush Sharma
Rituraj Batth
Sakshi Aggarwal
Sumita Kumari
Ananda Mustafiz
author_facet Muskan Jain
Preeti Nagar
Ayush Sharma
Rituraj Batth
Sakshi Aggarwal
Sumita Kumari
Ananda Mustafiz
author_sort Muskan Jain
title GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance
title_short GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance
title_full GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance
title_fullStr GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance
title_full_unstemmed GLYI and D-LDH play key role in methylglyoxal detoxification and abiotic stress tolerance
title_sort glyi and d-ldh play key role in methylglyoxal detoxification and abiotic stress tolerance
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/3394687f7df74264bb3857df650f43ec
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