Production of value-added chemicals from lignin-related materials using biotechnological process

硫是细菌生长的基本元素，通常通过无机硫酸盐的同化获得。然而，在某些环境中，硫酸盐可能不是自由获得的，因为无机硫酸盐在环境中占总硫的比例不到5%。因此，一些细菌物种已经进化出使用多种有机硫化合物（如二甲基硫醚（DMS））的能力，并且已经详细研究了使用这些化合物所涉及的基因和酶。我们试图开发一种方法，利用这种硫饥饿诱导的酶，从生物质衍生的DMS中生产有用的化学物质，如硫氨基酸。

Sulfur is an essential element for bacterial growth and is normally acquired through the assimilation of inorganic sulfate. However, in some environments, sulfate may not be freely available because inorganic sulfate constitutes less than 5% of the total sulfur in the environments. Thus, several bacterial species have evolved the ability to use a wide variety of organosulfur compounds such as dimethyl sulfide(DMS), and both the genes and enzymes involved in the use of such compounds have been studied in detail. We tried to develop a method for production of useful chemicals such as sulfur amino acids from biomass-derived DMS using such sulfur-starvation-induced enzymes.