%0 Journal Article %T Overproduction of catalase by oxidative stress on Bacillus subtilis WSHDZ-01
活性氧胁迫促进枯草芽孢杆菌WSHDZ-01过量合成过氧化氢酶 %A Dandan Yao %A Liming Liu %A Jianghua Li %A Zhaozhe Hu %A Guocheng Du %A Jian Chen %A
姚丹丹 %A 刘立明 %A 李江华 %A 华兆哲 %A 堵国成 %A 陈坚 %J 生物工程学报 %D 2009 %I %X We studied the overproduction of catalase(CAT) by Bacillus sp.WSHDZ-01 by oxidative stress via the feeding of ethanol and the pulse addition of H2O2.By adding 2.0%(V/V) ethanol to the culture broth, the intracellular CAT activity reached 11 151 U/mL, which was 2.5 times than that of the control(4 450 U/mL in flask).By adding 0.3%(V/V) H2O2, more extracellular CAT secreted to the culture broth, and the ratio of extracellular CAT to the total CAT increased to 27%.Based on these results, an oxidative stress st... %K oxidative stress %K ethanol %K hydrogen peroxide %K catalase
活性氧胁迫 %K 乙醇 %K 过氧化氢 %K 过氧化氢酶 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=A66E90C274451689E69F6F0291467824&aid=5332DF66B6B0871CE420F3056288C74E&yid=DE12191FBD62783C&vid=C5154311167311FE&iid=94C357A881DFC066&sid=CFBDB06850C21CC6&eid=1471D37D8144EBCF&journal_id=1000-3061&journal_name=生物工程学报&referenced_num=1&reference_num=14