The biosynthesis and metabolism of betaines in plants. 1. The estimation and distribution of glycinebetaine (betaine) in Beta vulgaris L. and other plants

作者：Benjamin Thornton Cromwell, Scott Rennie · 发表于：Biochemical Journal · 年份：1953 · DOI：10.1042/bj0550189 · 被引用次数：50 · 研究领域：Plant Physiology and Cultivation Studies、Cassava research and cyanide、Horticultural and Viticultural Research

dioxide whereas, in its natural environment, the rumen of the sheep, the carbon dioxide tension is high, and this must be borne in mind in any assess- ment of the role it plays in the rumen.SUMMARY 1. Washed suspensions of LC, a Gram-negative coccus isolated from the rumen of sheep, attack glucose, fructose, sorbitol, mannitol, lactate, pyruvate, DL-serine and formate anaerobically with the production of carbon dioxide and a gas which we assume to be hydrogen.2. When pyruvate is fermented under an atmo- sphere of hydrogen there is an initial outburst of hydrogen followed by a consumption of the gas.3. Addition of either acetate, propionate, or n- butyrate to pyruvate fermentations increases the uptake of hydrogen with increased formation of n-butyrate, n-pentanoate and n-hexanoate respectively.We wish to thank Dr A.