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Cloning of a Novel Pyrethroid-Hydrolyzing Carboxylesterase Gene from Sphingobium sp. Strain JZ-1 and Characterization of the Gene Product

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Wang, Bao-zhan, Guo, Peng, Hang, Bao-jian, Li, Lian, He, Jian, Li, Shun-peng·2009·Applied and Environmental Microbiology

Abstract

A novel esterase gene, pytH , encoding a pyrethroid-hydrolyzing carboxylesterase was cloned from Sphingobium sp. strain JZ-1. The gene contained an open reading frame of 840 bp. Sequence identity searches revealed that the deduced enzyme shared the highest similarity with many α/β-hydrolase fold proteins (20 to 24% identities). PytH was expressed in Escherichia coli BL21 and purified using Ni-nitrilotriacetic acid affinity chromatography. It was a monomeric structure with a molecular mass of approximately 31 kDa and a pI of 4.85. PytH was able to transform p -nitrophenyl esters of short-chain fatty acids and a wide range of pyrethroid pesticides, and isomer selectivity was not observed. No cofactors were required for enzyme activity.

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Metadata

Authors
Wang, B.-Z., Guo, P., Hang, B.-J., Li, L., He, J., & Li, S.-P.
Venue
Applied and Environmental Microbiology
Published
2009-09
Volume
75
Issue
17
Pages
5496-5500
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2097753075
Cited by
162
References
0
FWCI
6.53
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Cloning of a Novel Pyrethroid-Hydrolyzing Carboxylesterase Gene from Sphingobium sp. Strain JZ-1 and Characterization of the Gene Product. https://app.cochat.ai/papers/10.1128/aem.01298-09
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Wang, B.-Z., Guo, P., Hang, B.-J., Li, L., He, J., & Li, S.-P. (2009). Cloning of a Novel Pyrethroid-Hydrolyzing Carboxylesterase Gene from Sphingobium sp. Strain JZ-1 and Characterization of the Gene Product. Applied and Environmental Microbiology. https://doi.org/10.1128/aem.01298-09

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