生物甲基化

在实验室条件下，通过测定挥发硒和元素硒来判断硒的生物甲基化作用（BMSe）和异化还原作用（DRSe）能否在同一环境条件下同时进行，并对多种影响因素进行了研究。

Biomethylation of selenite ( BMSe ) and dissimilatory reduction selenite ( DRSe ) have been studied by determining the volatile and element selenium in laboratory . The effects on some environmental factors were also studied .

金属的生物甲基化作用和环境输送

Biomethylation and Environmental Transport of Metals

低甲基化状态与酒精性肝病引起的肝纤维化有密切的关系，SAM作为生物甲基化的必需中间体，在理论上有可能影响肝纤维化的过程。

There is strong correlation between hypomethylation and liver fibrosis induced by alcoholic liver disease . In theory , SAM may affect the process of hepatic fibrosis .

当前饮用水日益受到有机锡污染的严重威胁，主要原因有水源水的有机锡污染、PVC管材稳定剂的渗出和管网生物甲基化作用。

There are severe threatens of being polluted by organotins in face of potable water , and the source water pollution , the bleeding of PVC stabilizer agents and biological methylation in the pipe network system are leading reasons .

硒（Ⅳ）对无机汞生物甲基化影响的初步研究

The effects of se (ⅳ) on the biological methylation of mercury

三是定期更换给水管段以减少管网中生物甲基化导致的二次污染。

Periodically replacement of pipes could efficiently reduce the secondary pollution caused by biological methylation .

其主要来源包括有机锡产品的生产和消耗、生物和化学甲基化效应。

The production and consumption of organotins , biological and chemical methylation are the main sources in water .

在真核生物中，DNA甲基化修饰是调控基因表达的一个重要的表观遗传学标志。

DNA methylation is an important epigenetic mark forthe regulation of gene expression in eukaryotes .