Isolation from Soil of Aerobic Chemoheterotrophic Bacteria Capable of Decomposing Methanethiol and Hydrogen Sulfide.

Sato, Hiroshi; Takakuwa, Soemon; Kimura, Tamon; Shimomoto, Hitomi; Hirose, Toru; Moriyama, Yasushi

doi:10.1264/jsme2.14.131

Cited by 12 publications

(6 citation statements)

References 14 publications

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“…A 16S rDNA sequence of the bacterium showed high homologies with Bacillus thuringensis and B. cereus. Sato et al (1999) isolated chemoheterotrophic bacteria capable of decomposing MT and HS from various soil samples using a DMS enrichment culture. We used their method to enrich VS-decomposing bacteria.…”

Section: Testosteroni Jcm5832 Decomposed 75% Of Hs In Amentioning

confidence: 99%

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Isolation of Bacillus SP. as a Volatile Sulfur-Degrading Bacterium and Its Application to Reduce the Fecal Odor of Pig

Ushida¹,

Hashizume²,

Miyazaki³

et al. 2003

Asian Australas. J. Anim. Sci

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Fecal malodor is an acute environmental issue to be solved for the intensive animal agriculture in Japan. Among these substances volatile sulfur such as hydrogen sulfide (HS), methanethiol, and dimethyl sulfide, and dimethyl disulfide are the ones most strictly controlled in the Japanese national regulations. In this experiment, we have screened a range of standard strains of chemoheterotrophic bacteria and of the presently isolated soil bacteria for their capacity to decompose HS. We have demonstrated that Comamonas testosteroni JCM5832 T and our isolate Bacillus sp. had a potential to reduce malodor when applied to the pig feces.

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Section: Testosteroni Jcm5832 Decomposed 75% Of Hs In Amentioning

confidence: 99%

“…However, few studies have dealt with chemoheterotrophic bacteria capable of oxidizing VS. Recently, Nakada and Ohta (1997) and Sato et al (1999) isolated soil bacteria capable of decomposing VS in a batch culture system. They suggested that many chemoheterotrophic bacteria could remove VS from the air.…”

Section: Introductionmentioning

confidence: 99%

Isolation of Bacillus SP. as a Volatile Sulfur-Degrading Bacterium and Its Application to Reduce the Fecal Odor of Pig

Ushida¹,

Hashizume²,

Miyazaki³

et al. 2003

Asian Australas. J. Anim. Sci

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“…We previously reported the isolation of certain bacteria from the soil 3,4) which can decompose hydrogen sulfide and methyl mercaptan and have potential applications in microbial deodorization. Generally, the odor of feces is attributed to fatty acids, sulfur-containing compounds, indole, skatole, and ammonia.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Malodorous Substances of Human Feces.

Sato

Morimatsu

Kimura

et al. 2002

JOURNAL OF HEALTH SCIENCE

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Various malodorous substances generated from human feces were analyzed immediately after the use of a Western-style toilet by 50 subjects. The types and amounts of these malodorous components varied slightly between individuals, depending on the food that they had eaten and their state of health. Hydrogen sulfide was detected at concentrations of 5-26 ppb, methyl mercaptan at 2-15 ppb, ammonia at less than 100 ppb, propylaldehyde, fatty acids, and pyridine at about 10 ppb, and trimethylamine at around trace levels. When subjects had diarrhea, the amounts of fatty acids, particularly acetic acid, in feces were more than 100000-fold higher than in feces of those in normal health.

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“…In various places, concentrations of substances causing unpleasant odors are measured. We have isolated a microorganism from nature 3,4) and examined its characteristics in terms of its ability to decompose hydrogen sulfide, methyl mercaptan, and skatole for its application in the degradation of substances causing unpleasant odors from human waste. Recently, malodorous substances emitted from a sewage system and a sewage disposal plant were degraded using a microorganism, and this is regarded as a promising method for eliminating unpleasant odors.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Malodorous Volatile Substances of Human Waste: Feces and Urine.

Sato

Hirose

Kimura

et al. 2001

JOURNAL OF HEALTH SCIENCE

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The amounts of volatile substances responsible for the malodor of human waste (feces and urine) obtained from the storage tank of a community waste-water treatment plant were determined. Thus far, there has been little systematic research on malodor-causing substances of human waste. These substances were collected using Tenax-TA, and their concentrations were determined by the usual thermal-desorption coldtrap injector/gas chromatography/mass spectrometry (TCT/GC/MS). About 90% of the malodor-causing substances were fatty acids: acetic acid, propionic acid and butyric acid. The proportion of ammonia was 6.5%. Other malodor-causing and minor substances detected were indole, skatole, pyridine, pyrrole, hydrogen sulfide, and methyl mercaptan. In addition, a small amount of paradichlorobenzene used as a deodorizer in household toilets was also recognized.

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Isolation from Soil of Aerobic Chemoheterotrophic Bacteria Capable of Decomposing Methanethiol and Hydrogen Sulfide.

Abstract: Twenty-eight strains of aerobic chemoheterotrophic bacteria capable of decomposing methanethiol

Cited by 12 publications

References 14 publications

Isolation of Bacillus SP. as a Volatile Sulfur-Degrading Bacterium and Its Application to Reduce the Fecal Odor of Pig

Isolation of Bacillus SP. as a Volatile Sulfur-Degrading Bacterium and Its Application to Reduce the Fecal Odor of Pig

Analysis of Malodorous Substances of Human Feces.

Analysis of Malodorous Volatile Substances of Human Waste: Feces and Urine.

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