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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Nature Portfolio
2018
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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) |
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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 |
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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 |
work_keys_str_mv |
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