By Yuzaburo Ishida (auth.), Ronald P. Kiene, Pieter T. Visscher, Maureen D. Keller, Gunter O. Kirst (eds.)
''An crucial e-book for individuals operating within the region of sulfur compounds within the setting and will be in all institutional libraries....Well listed, good presented.'' --- SGM Quarterly, November 1997 ''Extremely important and well-produced symposium quantity that are meant to be of curiosity to many environmental scientists, microbial and plant physiologists, and aquatic ecologists.'' The Quarterly evaluation of Biology, June 1998
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Additional info for Biological and Environmental Chemistry of DMSP and Related Sulfonium Compounds
Columbia University Press, New York. 7. , S. -A. Tremblay, B. E. Volcani, D. Dessort and M. Kates. 1984. Occurrence of phosphatidylsulfocholine, the sulfonium analog of phosphatidylcholine in some diatoms and algae. Biochim. Biophys. Acta 796: 320-327. 8. Blau, N. F. and G. G. Stuckwisch. 1957. The conjugative effect of the dimethylsulfonio group in an aliphatiC system. J. Org. Chem. 22: 82-83. 9. Cantoni, G. L. 1952. The nature of the active methyl donor formed enzymatically from L-methionine and adenosinetriphosphate.
24: 451-456. 2. Blunden, G. M. Gordon. 1986. Betaines and their sulfonio analogues in marine algae. Prog. Phycol. Res. 4: 39-80. 3. V. -1. Yang, A. Nadolska-Orczyck, Y. Samaras. A. Gage, 1. Poupart, M. D. Hanson and D. Rhodes. 1995. Identification of quaternary ammonium and tertiary sulfonium compounds by plasma desorption mass spectrometry. 1. Mass Spectrom. (in press) 4. Gorham, 1.. 1. Coughlan, R. G. Wyn-lones. 1981. Estimation of quaternary ammonium and tertiary sulfonium compounds by thin layer electrophoresis and scanning reflectance densitometry.
5-fold by addition of pyruvate and a-ketoglutarate, respectively. Therefore, it seems almost certain that the dimethyl sulfide arose in large part, if not totally, from transamination followed by non-enzymatic ~,y-elimination (see below). ] Evidently, more work needs to be carried out on the mechanism of dimethyl sulfide formation from SMM in plants and animals. Several amino acids with good leaving groups in the y position undergo Il,y-elimination when oxidized at the a-carbon. The C-H bond adjacent to the resulting a-imino (or a-keto acid) is activated, facilitating a Il,y-elimination reaction (43).