Isolation and characterization of a novel bacterium, Sphingomonas bisphenolicum strain AO1, that degrades bisphenol A

Ko Ichi Oshiman, Yuji Tsutsumi, Tomoaki Nishida, Yoshinobu Matsumura

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Bisphenol A (2,2-bis(4-hydroxyphenyl) propane, BPA), which is used as a synthetic resin material or a plasticizer, is a pollutant that possesses endocrine-disrupting activity. Bioremediation of BPA is used to decrease its polluting effects, and here we report a novel bacterial strain AO1, which is able to degrade BPA. This strain was isolated using enrichment cultivation from a soil sample from a vegetable-growing field; the sample was one of 500 soil samples collected across Japan. Strain AO1 degraded 100 mg/l BPA to an undetectable level within 6 h in MYPG medium (containing malt extract, yeast extract, peptone, and glucose) and within 48 h in minimum medium containing 1% glucose at 30°C. Strain AO1 can utilize BPA as a sole source of carbon and as an energy source under aerobic conditions. The estrogenic activity of BPA in MYPG medium was ultimately reduced by strain AO1, although the activity initially increased. Taxonomical analysis showed that strain AO1 is closely related to Sphingomonas chlorophenolicum and S. herbicidovorans, neither of which have a capacity for BPA degradation. DNA-DNA hybridization showed that strain AO1 is a novel species of the Sphingomonas genus, and we designated AO1 as S. bisphenolicum.

Original languageEnglish
Pages (from-to)247-255
Number of pages9
JournalBiodegradation
Volume18
Issue number2
DOIs
Publication statusPublished - Apr 1 2007

Fingerprint

Sphingomonas
Bacteria
glucose
Soil
Synthetic Resins
DNA
Glucose
Plasticizers
Peptones
bacterium
Environmental Biodegradation
propane
oxic conditions
bioremediation
Vegetables
vegetable
yeast
resin
Japan
Carbon

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Microbiology
  • Bioengineering
  • Environmental Chemistry
  • Pollution

Cite this

Isolation and characterization of a novel bacterium, Sphingomonas bisphenolicum strain AO1, that degrades bisphenol A. / Oshiman, Ko Ichi; Tsutsumi, Yuji; Nishida, Tomoaki; Matsumura, Yoshinobu.

In: Biodegradation, Vol. 18, No. 2, 01.04.2007, p. 247-255.

Research output: Contribution to journalArticle

Oshiman, Ko Ichi ; Tsutsumi, Yuji ; Nishida, Tomoaki ; Matsumura, Yoshinobu. / Isolation and characterization of a novel bacterium, Sphingomonas bisphenolicum strain AO1, that degrades bisphenol A. In: Biodegradation. 2007 ; Vol. 18, No. 2. pp. 247-255.
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