Bacteria Mediate Methylation of Iodine in Marine and Terrestrial Environments-Reference-Cited by-同舟云学术

Bacteria Mediate Methylation of Iodine in Marine and Terrestrial Environments

Published:2001-06 Issue:6 Volume:67 Page:2718-2722
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Amachi Seigo¹,Kamagata Yoichi¹,Kanagawa Takahiro¹,Muramatsu Yasuyuki²

Affiliation:

1. National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Tsukuba, Ibaraki 305-8566,1 and

2. National Institute of Radiological Sciences, Chiba-shi, Chiba 263-8555,2 Japan

Abstract

ABSTRACT Methyl iodide (CH 3 I) plays an important role in the natural iodine cycle and participates in atmospheric ozone destruction. However, the main source of this compound in nature is still unclear. Here we report that a wide variety of bacteria including terrestrial and marine bacteria are capable of methylating the environmental level of iodide (0.1 μM). Of the strains tested, Rhizobium sp. strain MRCD 19 was chosen for further analysis, and it was found that the cell extract catalyzed the methylation of iodide with S -adenosyl- l -methionine as the methyl donor. These results strongly indicate that bacteria contribute to iodine transfer from the terrestrial and marine ecosystems into the atmosphere.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/AEM.67.6.2718-2722.2001

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