甲基供体

在动物体内，甜菜碱是高效的甲基供体物质，参与蛋白质和脂肪代谢。

As an effective methyl donor , betaine is involved in protein and fat metabolism .

叶酸是机体内甲基供体，参与DNA合成，DNA甲基化等多个重要生理进程。

Folic acid participates in DNA synthesis , DNA methylation and other important physiological processes as a methyl donor .

动物营养中胆碱同其它甲基供体间的关系

The interrelationship between choline and other methyl donors in broiler and layer diets

甲基供体促仔猪生长的内分泌机制的探讨

Effect of Methyl-donor on the Performance and the Mechanism of Growth Promoting Hormone in Piglets

胆碱（CHO），是一种富含甲基的营养物质，做为甲基供体参与体内甲基代谢反应。

Choline ( CHO ), a methyl-rich nutrient , functions as a methyl donor to participate in methyl group metabolism .

细胞内砷代谢和DNA甲基化都需要S-腺苷蛋氨酸作为甲基供体。

S-adenosylmethionine is required as methyl donor for both arsenic metabolism and DNA methylation .

观察细胞的甲基化模式（注：甲基化是指，在甲基转移酶的作用下，甲基基团从供体转移到DNA的碱基上）表明这些细胞年龄有多大，并且所有的细胞在以不同的速度老化。

Looking at the methylation patterns of cells gives an indication of how old they are , and all of our cells age at different rates .