Determination of arsenic extraction by Vetiveria zizanioides (L.) Nash plant for phytoremediation application

被引：4

作者：

Tiwari, Sarita ^{[1
]}

Sarangi, Bijaya Ketan ^{[1
]}

Seralanathan, Muhil Vannan ^{[2
]}

Sivanesan, Saravanandevi ^{[2
]}

Yadav, Dinesh ^{[3
]}

Thul, Sanjog T. ^{[1
]}

机构：

[1] CSIR, Natl Environm Engn Res Inst, Environm Biotechnol Div, Nagpur, Maharashtra, India

[2] CSIR, Natl Environm Engn Res Inst, Div Environm Hlth, Nagpur, Maharashtra, India

[3] Deen Dayal Upadhyaya Gorakhpur Univ, Dept Biotechnol, Gorakhpur, Uttar Pradesh, India

来源：

CHEMISTRY AND ECOLOGY | 2016年 / 32卷 / 01期

关键词：

Arsenic; arsC gene; arsenate reductase; bioaccumulation factor (BF); phytoextraction; CHINESE BRAKE FERN; OXIDATIVE STRESS; BARLEY PLANTS; HEAVY-METALS; REDUCTASE; REMEDIATION; TOLERANCE; PHYTOEXTRACTION; STRATEGIES; COPPER;

D O I：

10.1080/02757540.2015.1109080

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

There is contradiction about Vetiveria zizanioides (L.) Nash as arsenic hyperaccumulator. The suitability of V. zizanioides plant for Arsenic (As) tolerance and accumulation in the plant biomass has been investigated for phytoremediation application. Plants were treated with 0, 25, 50, 75, 100 and 150 mg L-1 As levels in Hoagland nutrient solution. Arsenic accumulation in shoot and root biomass was determined after 14 days. Metal extraction competency from matrix and accumulation in the above ground plant part revealed that V. zizanioides accumulate As at a low level. Inefficiency of As accumulation by this plant relates to the absence of arsenate reductase activity, transcript of the arsC gene which is crucial for As detoxification. Though, the V. zizanioides system sustains low-level As stress, it is not suitable for As phytoextraction.

引用

页码：1 / 11

页数：11

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