Involvement of S-adenosylmethionine-dependent halide/thiol methyltransferase (HTMT) in methyl halide emissions from agricultural plants: isolation and characterization of an HTMT-coding gene from Raphanus sativus (daikon radish) |
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Authors: | Nobuya Itoh Hiroshi Toda Michiko Matsuda Takashi Negishi Tomokazu Taniguchi Noboru Ohsawa |
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Institution: | (1) Department of Biotechnology, Faculty of Engineering (Biotechnology Research Center), Toyama Prefectural University, 5180 Kurokawa, Imizu Toyama, 939-0398, Japan |
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Abstract: | Background Biogenic emissions of methyl halides (CH3Cl, CH3Br and CH3I) are the major source of these compounds in the atmosphere; however, there are few reports about the halide profiles and
strengths of these emissions. Halide ion methyltransferase (HMT) and halide/thiol methyltransferase (HTMT) enzymes concerning
these emissions have been purified and characterized from several organisms including marine algae, fungi, and higher plants;
however, the correlation between emission profiles of methyl halides and the enzymatic properties of HMT/HTMT, and their role
in vivo remains unclear. |
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