Nitrite reductase (NIR) is an essential enzyme in the process of denitrification, responsible for catalyzing the reduction of nitrite to nitric oxide. NIR plays a crucial role in the nitrogen cycle, particularly in anaerobic environments where it helps convert nitrite, a potential pollutant, into harmless nitrogen gas. In addition to its environmental significance, NIR also has biomedical applications, such as in the treatment of cardiovascular diseases. Example sentences: 1. The activity of nitrite-reductase (NIR) in the soil samples was measured to assess denitrification potential. 2. The expression of the gene encoding nitrite reductase (NIR) was found to be upregulated under low oxygen conditions. 3. Researchers are investigating the structure of nitrite reductase (NIR) to better understand its catalytic mechanism. 4. The bioavailability of nitrate as a substrate for nitrite reductase (NIR) was analyzed in the marine ecosystem.
亚硝酸盐还原酶(NIR),nitrite-reductase(NIR)
cd1-nitrite reductaseCd1-型亚硝酸盐还原酶(NIR)
3)nitrite reductase亚硝酸盐还原酶
1.Effects of florfenicol on the activities of nitrate reductase,nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.通过室内模拟实验研究了氟苯尼考对海洋沉积物中硝酸盐还原酶、亚硝酸盐还原酶、碱性磷酸酶活性的影响。
2.megaterium MPF-906,which was isolated from tobacco waste and soils with nicotine and identified before,producesnitrite reductase,but enzyme activity is not enough as we need.本论文对该菌株进行紫外诱变,筛选高产菌株,并研究其产亚硝酸盐还原酶的条件,所产亚硝酸盐还原酶的酶学性质和稳定性。
4)nitrite r亚硝酸盐还原酶nirS基因
1.Aims: To isolate aerobic denitrifying bacteria to enhance nitrate andnitrite removal from aquaculture system.亚硝酸盐还原酶基因分析结果表明,该菌株只含亚硝酸盐还原酶nirS基因,其序列与Alcaligenes faecalis A15(后来被重新鉴定为Pseudomonas stutzeri)的nirS基因序列相似。
5)nitrite oxidoreductase亚硝酸盐氧化还原酶
1.Nitrite oxidoreductase(NXR) is the key enzyme responsible for the oxidation of NO2-to NO3-in nitrite-oxidizing bacteria.亚硝酸盐氧化还原酶(nitrite oxidoreductase,NXR)是硝化细菌将亚硝酸盐氧化为硝酸盐的关键酶,广泛存在于亚硝酸盐氧化菌中。
6)Nitrite-reducing亚硝酸盐还原
1.Study on theNitrite-reducing Activity of Aerobic Denitrifying Bacterial Strain N6-1;好氧反硝化细菌N6-1亚硝酸盐还原活性的研究
延伸阅读
亚硝酸盐亚硝酸的盐类，含有亚硝酸根NO娛离子,为离子型化合物。亚硝酸盐一般无色，有毒，可以致癌。除浅黄色的亚硝酸银外,一般都易溶于水。亚硝酸盐相当稳定,形成溶液时可被空气中的氧逐渐氧化，生成硝酸盐。碱金属亚硝酸盐的热稳定性较高，其他的亚硝酸盐在加热时都分解。亚硝酸盐中氮原子的氧化数是＋3。N娛离子既有氧化性，又有还原性。亚硝酸钠可由氧化氮和二氧化氮通入氢氧化钠溶液制备，硝酸盐与铅、铁或碳等共热也可生成亚硝酸盐。亚硝酸钠大量用于有机合成和偶氮染料工业。
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