Strain IMB-1, a novel bacterium for the removal of methyl bromide in fumigated agricultural soils

Tracy L. Connell Hancock, Andria Costello Staniec, Mary E. Lidstrom, Ronald S. Oremland

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

A facultatively methylotrophic bacterium, strain IMB-1, that has been isolated from agricultural soil grows on methyl bromide (MeBr), methyl iodide, methyl chloride, and methylated amines, as well as on glucose, pyruvate, or acetate. Phylogenetic analysis of its 16S rRNA gene sequence indicates that strain IMB-1 classes in the alpha subgroup of the class Proteobacteria and is closely related to members of the genus Rhizobium. The ability of strain IMB-1 to oxidize MeBr to CO2 is constitutive in cells regardless of the growth substrate. Addition of cell suspensions of strain IMB-1 to soils greatly accelerates the oxidation of MeBr, as does pretreatment of soils with low concentrations of methyl iodide. These results suggest that soil treatment strategies can be devised whereby bacteria can effectively consume MeBr during field fumigations, which would diminish or eliminate the outward flux of MeBr to the atmosphere.

Original languageEnglish (US)
Pages (from-to)2899-2905
Number of pages7
JournalApplied and Environmental Microbiology
Volume64
Issue number8
StatePublished - Aug 1998
Externally publishedYes

Fingerprint

methyl bromide
agricultural soils
agricultural soil
Soil
Bacteria
bacterium
methyl iodide
bacteria
iodide
methyl chloride
Methyl Chloride
Fumigation
Proteobacteria
Rhizobium
soil
fumigation
rhizobacterium
Pyruvic Acid
Atmosphere
amines

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Applied Microbiology and Biotechnology
  • Ecology

Cite this

Strain IMB-1, a novel bacterium for the removal of methyl bromide in fumigated agricultural soils. / Connell Hancock, Tracy L.; Staniec, Andria Costello; Lidstrom, Mary E.; Oremland, Ronald S.

In: Applied and Environmental Microbiology, Vol. 64, No. 8, 08.1998, p. 2899-2905.

Research output: Contribution to journalArticle

Connell Hancock, Tracy L. ; Staniec, Andria Costello ; Lidstrom, Mary E. ; Oremland, Ronald S. / Strain IMB-1, a novel bacterium for the removal of methyl bromide in fumigated agricultural soils. In: Applied and Environmental Microbiology. 1998 ; Vol. 64, No. 8. pp. 2899-2905.
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