|本期目录/Table of Contents|

[1]都林娜,叶曙光,李刚,等.结晶紫高效脱色菌株的筛选、鉴定与脱色特性[J].江苏农业科学,2015,43(09):378-381.
 Du Linna,et al.Isolation,identification and characterization of highly efficient crystal violet-decolorizing strain[J].Jiangsu Agricultural Sciences,2015,43(09):378-381.
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结晶紫高效脱色菌株的筛选、鉴定与脱色特性(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年09期
页码:
378-381
栏目:
资源与环境
出版日期:
2015-09-25

文章信息/Info

Title:
Isolation,identification and characterization of highly efficient crystal violet-decolorizing strain
作者:
都林娜 叶曙光 李刚 裘波音 泮琇 陈文华
温州科技职业学院,浙江温州 325006
Author(s):
Du Linnaet al
关键词:
肠杆菌属(Enterabacter sp.)结晶紫脱色特性动力学
Keywords:
-
分类号:
X703;Q939.9
DOI:
-
文献标志码:
A
摘要:
结晶紫是一类难以降解且对许多生物都具有致癌致畸性的三苯甲烷类染料,筛选能够高效脱色结晶紫的菌株对修复受污染水体具有重要意义。从浙江温州分离筛选到1株结晶紫高效降解菌株CV-b,系统地研究了各操作因素对该菌株脱色结晶紫的影响。经16S rRNA基因序列分析表明,该菌株属于肠杆菌属(Enterabacter sp.)。当pH值在3.0~10.0之间时,培养24 h以后,该菌株对50 mg/L结晶紫的脱色率均在50%以上;脱色的最适温度范围为 25~35 ℃;多数供试碳源对脱色有显著促进效应,而多数供试氮源则对脱色无显著影响;供试金属离子中,Cu2+、Fe3+和Zn2+对脱色有显著的促进效应。动力学试验结果表明,该菌株对结晶紫的脱色与对数模型拟合度较高(r2=0.942 7)。经脱色前后的全波长扫描分析显示,菌株CV-b对结晶紫的脱色是由生物降解引起的。总体而言,菌株CV-b在结晶紫脱色中的实际应用潜能较大。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-09-11
基金项目:浙江省自然科学基金(编号:LQ13C010001)。
作者简介:都林娜(1983—),女,山东烟台人,博士,主要研究方向为有毒害污染物的微生物修复。E-mail:dlg1314@126.com。
更新日期/Last Update: 2015-09-25