In vitro radiation induced alterations in heavy metals and metallothionein content in Plantago ovata forsk

被引：12
|
作者：
Saha, Priyanka [1 ]
Mishra, Debadutta [2 ]
Chakraborty, Anindita [2 ]
Sudarshan, Mathummal [2 ]
Sen Raychaudhuri, Sarmistha [1 ]
机构：
[1] Univ Calcutta, Dept Biophys Mol Biol & Genet, Kolkata 700009, India
[2] Kolkata Ctr, UGC DAE Consortium Sci Res, Div Radiat Biol, Kolkata 700098, India
来源：
BIOLOGICAL TRACE ELEMENT RESEARCH | 2008年 / 124卷 / 03期
关键词：
Plantago ovata; callus culture; gamma irradiation; trace elements; metallothionein;
D O I：
10.1007/s12011-008-8141-8
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：
Proton Induced X-ray emission (PIXE) and fluorescence-activated cell sorting (FACS) have been used to study the effects of gamma irradiation on heavy metal accumulation in callus tissue of Plantago ovata-an important cash crop of India. PIXE analysis revealed radiation-induced alteration in trace element profile during developmental stages of the callus of P. ovata. Subsequent experiments showed antagonism between Fe and Cu and also Cu and Zn and synergistic effect between Fe and Zn. FACS analysis showed significant induction of the metallothionein (MT) protein following gamma-irradiation, and maximum induction was noted at the 50-Gy absorbed dose. This indicated a progressive increment of MTs as a measure for protection against gamma-rays, to combat alteration in the homeostasis of heavy metals like Fe, Cu, Zn, and Mn.
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收藏
页码：251 / 261
页数：11
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