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Methylglyoxal alleviates cadmium toxicity in wheat (Triticum aestivum L)

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Methylglyoxal alleviates cadmium toxicity in wheat (Triticum aestivum L).
×÷Õß:Li, Zhong-Guang; Duan, Xiang-Qiu; Xia, Yan-Mei; Wang, Yue; Zhou, Zhi-Hao; Min, Xiong
Plant cell reports
¾í:36 ÆÚ:2 Ò³:367-370
DOI:10.1007/s00299-016-2070-3
³ö°æÄê:2017-Feb (Epub 2016 Nov 12)
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KEY MESSAGE: Methylglyoxal alleviates cadmium toxicity in wheat (Triticum aestivum L) by improving plant growth. For a long time, the reactive alpha, beta-carbonyl ketoaldehyde methylglyoxal (CH3COCHO; MG) has been regarded as merely a toxic metabolite in plants, but, now, emerging as a signal molecule in plants. In this study, cadmium (Cd) stress decreased plant height, root length, fresh weight (FW), and dry weight (DW) in a concentration-dependent manner, indicating that Cd had toxic effects on the growth of wheat seedlings. The toxic effects of Cd were alleviated by exogenously applied MG in a dosage dependent fashion, and 700mM MG reached significant differences, but this alleviating effect was eliminated by the treatment with N-acetyl-L-cysteine (NAC, MG scavenger), suggesting that MG could mitigate Cd toxicity in wheat. This study reported for the first time that MG could alleviate Cd toxicity in wheat, uncovering a new possible physiological function for MG, and opening a novel line of research in plant stress biology.
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¹Ø¼ü´ÊÁбí:Cadmium tolerance; Cadmium toxicity; Methylglyoxal; N-acetyl-L-cysteine
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µØÖ·:School of Life Sciences, Yunnan Normal University, Kunming, 650092, People's Republic of China. zhongguang_li@163.com.
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ÎÄÏ×ÀàÐÍ:Journal Article
ÓïÖÖ:English
PubMed ID:27838814
NLM Ψһ ID:9880970
´´½¨ÈÕÆÚ: 13 Nov 2016          ÐÞ¶©ÈÕÆÚ: 26 Jan 2017
µç×Ó³ö°æ:12 Nov 2016
¹ú¼Ò/µØÇø: Germany
ISSN:1432-203X
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״̬:In-Process
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lzg020716: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2017-03-12 10:35:07
lazy½õϪ: LS-EPI+1 2017-03-12 18:25:52
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2Â¥: Originally posted by skyÆÑ¹«Ó¢ at 2017-03-11 20:29:42
Methylglyoxal alleviates cadmium toxicity in wheat (Triticum aestivum L).
×÷Õß:Li, Zhong-Guang; Duan, Xiang-Qiu; Xia, Yan-Mei; Wang, Yue; Zhou, Zhi-Hao; Min, Xiong
Plant cell reports
¾í:36 ÆÚ:2 Ò³ ...

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