Isolation and characterization of a 1,3-dichloro-2-propanol-degrading bacterium

Risa Yonetani, Hisayoshi Ikatsu, Chizuko Miyake-Nakayama, Eriko Fujiwara, Yoko Maehara, Shin-ichi Miyoshi, Hideomi Matsuoka, Sumio Shinoda

Research output: Contribution to journalArticle

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Abstract

Arthrobacter sp. strain PY1, a bacterium having the ability to degrade 1,3-dichlotopropanol (1,3-DCP), was isolated from a soil sample of a chemical plant. Strain PY1 degraded 1000 mg/l (7.75 mM) of 1,3-DCP completely within 7 days, and the ability was elevated by acclimatization up to 4000 mg/l/week. Addition of nutrients such as peptone, glucose or glycerol showed no or slight effect on the degrading activity. These results suggest that strain PY1 is a useful organism in a biological control system for 1,3-DCP pollution. The ability to degrade 1,3-DCP was induced by addition of 1,3-DCP to the culture of strain PY1. A 1,3-DCP-degrading enzyme (Deh-PY1) was purified from the cytoplasmic fraction of strain PY1 by fractionation with ammonium sulfate, hydrophobic chromatography and anion exchange chromatography. Purified Deh-PY1 is a tetramer of a homogeneous subunit having a molecular weight of 20 kDa. Analysis of the N-terminal amino acid sequence of Deh-PY1 showed that the 31 residues were quite similar to those of known 1,3-DCP-dehalogenases of other organisms, Arthrobacter sp. strain AD2 and Corynebacterium sp. strain N-1074, although some differences in composition or enzymatic characteristics were observed. The Km value and Vmax of Deh-PY1 were 2.67 mM and 7.81 μmol/min/mg, respectively, and the optimum reaction temperature and pH were 40-50°C and 9.5-10.5.

Original languageEnglish
Pages (from-to)605-612
Number of pages8
JournalJournal of Health Science
Volume50
Issue number6
DOIs
Publication statusPublished - Dec 2004

Fingerprint

Arthrobacter
Chromatography
Bacteria
Corynebacterium
Peptones
Acclimatization
Ammonium Sulfate
Glycerol
Anions
Amino Acid Sequence
Soil
Molecular Weight
Glucose
Food
Temperature
Enzymes
Hydrophobic chromatography
Chemical plants
Fractionation
1,3-dichloro-2-propanol

Keywords

  • 1,3-dichloro-2-propanol
  • Arthrobacter sp.
  • Biodegradation
  • Dehalogenase

ASJC Scopus subject areas

  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

Yonetani, R., Ikatsu, H., Miyake-Nakayama, C., Fujiwara, E., Maehara, Y., Miyoshi, S., ... Shinoda, S. (2004). Isolation and characterization of a 1,3-dichloro-2-propanol-degrading bacterium. Journal of Health Science, 50(6), 605-612. https://doi.org/10.1248/jhs.50.605

Isolation and characterization of a 1,3-dichloro-2-propanol-degrading bacterium. / Yonetani, Risa; Ikatsu, Hisayoshi; Miyake-Nakayama, Chizuko; Fujiwara, Eriko; Maehara, Yoko; Miyoshi, Shin-ichi; Matsuoka, Hideomi; Shinoda, Sumio.

In: Journal of Health Science, Vol. 50, No. 6, 12.2004, p. 605-612.

Research output: Contribution to journalArticle

Yonetani, R, Ikatsu, H, Miyake-Nakayama, C, Fujiwara, E, Maehara, Y, Miyoshi, S, Matsuoka, H & Shinoda, S 2004, 'Isolation and characterization of a 1,3-dichloro-2-propanol-degrading bacterium', Journal of Health Science, vol. 50, no. 6, pp. 605-612. https://doi.org/10.1248/jhs.50.605
Yonetani, Risa ; Ikatsu, Hisayoshi ; Miyake-Nakayama, Chizuko ; Fujiwara, Eriko ; Maehara, Yoko ; Miyoshi, Shin-ichi ; Matsuoka, Hideomi ; Shinoda, Sumio. / Isolation and characterization of a 1,3-dichloro-2-propanol-degrading bacterium. In: Journal of Health Science. 2004 ; Vol. 50, No. 6. pp. 605-612.
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