Nar与Nxr:氮素循环中微生物关键酶研究进展

被引：21

作者：

单晓雨

张萌

郑平

机构：

[1] 浙江大学环境与资源学院环境工程系

来源：

科技通报 | 2016年 / 32卷 / 07期

基金：

浙江省自然科学基金;

关键词：

氮素循环; Nar; Nxr;

D O I：

暂无

中图分类号：

X172 [环境微生物学];

学科分类号：

083001 [环境科学];

摘要：

亚硝酸盐与硝酸盐之间的相互转化是氮素循环的重要环节,也是硝化作用、反硝化作用和厌氧氨氧化作用等微生物氮素循环过程的"交会点"。亚硝酸盐氧化还原酶(Nxr)和呼吸型硝酸盐还原酶(Nar)是微生物中催化亚硝酸盐氧化为硝酸盐及其逆过程的关键酶,二者在结构组成、空间位置、作用机制及系统发育等方面具有相似性。从以上几个方面对Nar和Nxr的研究进展进行了综述分析,以期加深对氮素循环微生物过程的认识。

引用

页码：202 / 206

页数：5

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