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Study on Characteristics in the Removal Process of Ammonia Nitrogen and Nitrate Nitrogen by an Isolated Heterotrophic Nitrification-Aerobic Denitrification Strain Rhodococcus Sp.
Aerobic denitrification Heterotrophic nitrification Rhodococcus sp Nitrogen removal
2013/3/9
Removal of ammonia nitrogen and nitrate nitrogen by an heterotrophic nitrification-aerobic denitrification strain is an economical and effective method. In this article, a kind of heterotrophic nitrif...
对Rhodococcus sp.BX2菌降解乙腈的特性及其降解途径进行了研究.结果显示,在底物浓度为800 mg·L-1,接种量为1.0%,培养温度为35 ℃,环境pH为7.5的条件下,16 h时 Rhodococcus sp.BX2菌对乙腈的降解率为95.98%;添加葡萄糖可在培养初期加快Rhodococcus sp.BX2菌的生长和对乙腈的降解,蔗糖、乙酰胺和尿素对其影响不大.将BX2菌接种到...
对Rhodococcus sp.BX2菌降解乙腈的特性及其降解途径进行了研究.结果显示,在底物浓度为800 mg·L-1,接种量为1.0%,培养温度为35 ℃,环境pH为7.5的条件下,16 h时 Rhodococcus sp.BX2菌对乙腈的降解率为95.98%;添加葡萄糖可在培养初期加快Rhodococcus sp.BX2菌的生长和对乙腈的降解,蔗糖、乙酰胺和尿素对其影响不大.将BX2菌接种到...
脱硫菌Rhodococcus sp.LY822专一性脱硫活性及相关基因的研究
二苯并噻吩 生物脱硫 脱硫基因
2009/11/9
以专一性脱硫菌Rhodococcus sp. LY822质粒DNA为模板，利用已知的脱硫基因序列设计引物，PCR扩增得到了3个脱硫基因片段dszA, dszB和dszC. 构建了相应的表达质粒pETA, pETB和pETC，在转化大肠杆菌BL21(DE3)中表达，得到了dszA, dszB和dszC基因的融合表达产物. SDS-PAGE分析结果显示，蛋白带分子量分别为50, 40和45 kDa. ...
Inducing expression and the reaction characteristic of nitrile hydratase (NHase) from Rhodococcus sp. SHZ-1 were investigated. The results showed that the expression of NHase was greatly enhanced with...