Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases

Current study was to investigate the presence of dehalogenase in the isolated bacterium from Selat Tebrau that can grow on 2,2-dichloropropionic acid (2,2-DCP is an active compound in herbicide Dalapon®). Strain RN1, a Gram-negative and rod in shape was tentatively identified as Enterobacter cancero...

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Main Authors: Oyewusi, Habeebat Adekilekun, Raja Mohamed, Raja Nurulhafiza, Huyop, Fahrul
Format: Article
Published: Brawijaya University 2022
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author Oyewusi, Habeebat Adekilekun
Raja Mohamed, Raja Nurulhafiza
Huyop, Fahrul
author_facet Oyewusi, Habeebat Adekilekun
Raja Mohamed, Raja Nurulhafiza
Huyop, Fahrul
author_sort Oyewusi, Habeebat Adekilekun
collection ePrints
description Current study was to investigate the presence of dehalogenase in the isolated bacterium from Selat Tebrau that can grow on 2,2-dichloropropionic acid (2,2-DCP is an active compound in herbicide Dalapon®). Strain RN1, a Gram-negative and rod in shape was tentatively identified as Enterobacter cancerogenus based on basic biochemical and the 16S rRNA gene analyses. The calculated cells doubling time were 5.29 hours based on growth of the bacterium in liquid minimal media with 10, 20 and 30 mM of 2,2-DCP, respectively. However, no growth was observed at 40 mM 2,2-DCP liquid minimal medium due to increase in 2,2-DCP toxicity. It was hypoth-esized that, strain RN1 produced dehalogenase(s) which merits a further study of the genomic data of the same genus and species available in the database. A putative dehalogenase, designated as DehRN was located in the published data of Enterobac-ter cancerogenus. Pairwise of DehRN amino acids with known dehalogenase re-sulted in sequence identity of <20%, suggesting a new class of dehalogenase enzyme in the Enterobacter cancerogenus.
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spelling utm.eprints-987712023-02-02T08:36:42Z http://eprints.utm.my/98771/ Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases Oyewusi, Habeebat Adekilekun Raja Mohamed, Raja Nurulhafiza Huyop, Fahrul Q Science (General) Current study was to investigate the presence of dehalogenase in the isolated bacterium from Selat Tebrau that can grow on 2,2-dichloropropionic acid (2,2-DCP is an active compound in herbicide Dalapon®). Strain RN1, a Gram-negative and rod in shape was tentatively identified as Enterobacter cancerogenus based on basic biochemical and the 16S rRNA gene analyses. The calculated cells doubling time were 5.29 hours based on growth of the bacterium in liquid minimal media with 10, 20 and 30 mM of 2,2-DCP, respectively. However, no growth was observed at 40 mM 2,2-DCP liquid minimal medium due to increase in 2,2-DCP toxicity. It was hypoth-esized that, strain RN1 produced dehalogenase(s) which merits a further study of the genomic data of the same genus and species available in the database. A putative dehalogenase, designated as DehRN was located in the published data of Enterobac-ter cancerogenus. Pairwise of DehRN amino acids with known dehalogenase re-sulted in sequence identity of <20%, suggesting a new class of dehalogenase enzyme in the Enterobacter cancerogenus. Brawijaya University 2022 Article PeerReviewed Oyewusi, Habeebat Adekilekun and Raja Mohamed, Raja Nurulhafiza and Huyop, Fahrul (2022) Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases. Journal of Tropical Life Science, 12 (2). pp. 199-206. ISSN 2087-5517 http://dx.doi.org/10.11594/jtls.12.02.06 DOI: 10.11594/jtls.12.02.06
spellingShingle Q Science (General)
Oyewusi, Habeebat Adekilekun
Raja Mohamed, Raja Nurulhafiza
Huyop, Fahrul
Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases
title Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases
title_full Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases
title_fullStr Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases
title_full_unstemmed Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases
title_short Characterisation of a bacterium from Tebrau Strait and screening of microbial genomes for dehalogenases
title_sort characterisation of a bacterium from tebrau strait and screening of microbial genomes for dehalogenases
topic Q Science (General)
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