A review of progress in roles of organic acids on heavy metal resistance and detoxification in plants

doi:10.3773/j.issn.1005-264x.2010.11.013

Abstract

Abstract:

Mechanisms of heavy metal tolerance and detoxification in plants can be divided into two categories, external exclusion and internal tolerance. We reviewed the effects of organic acids as a kind of metal chelators in both processes in plants. In the external detoxification process, organic acids excreted from plant roots may form stable metal-ligand complexes with heavy metal ions and change their mobility and bioavailability, thus preventing the metal ions entering plants or avoiding their accumulation in the sensitive sites of roots. In internal metal detoxification, organic acids may chelate with heavy metal in cytosol, where the ions can be transformed into a non-toxic or less toxic form.

Key words: detoxification, external exclusion, heavy metal, resistance, internal tolerance, organic acids

FU Xiao-Ping, DOU Chang-Ming, HU Shao-Ping, CHEN Xin-Cai, SHI Ji-Yan, CHEN Ying-Xu. A review of progress in roles of organic acids on heavy metal resistance and detoxification in plants[J]. Chin J Plant Ecol, 2010, 34(11): 1354-1358.

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URL: https://www.plant-ecology.com/EN/10.3773/j.issn.1005-264x.2010.11.013

https://www.plant-ecology.com/EN/Y2010/V34/I11/1354

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有机酸 Organic acid	重金属 Heavy metal	植物 Plant species	参考文献 Reference
乙醇酸、马来酸、乙酸、乳酸、琥珀酸 Glycolic acid, maleic acid, acetic acid, lactic acid, succinic acid	Cd	烟草 Nicotiana benthamiana	Chiang et al., 2006 Chiang et al., 2006
乙酸、马来酸、琥珀酸、苹果酸 Acetic acid, maleic acid, succinic acid, malic acid		向日葵 Helianthus annuus	Chiang et al., 2006 Chiang et al., 2006
乙酸、甲酸 Acetic acid, formic acid		水稻 Oryza sativa	Liu et al., 2007
柠檬酸、乳酸、乙酸 Citric acid, lactic acid, acetic acid		秋茄 Kandelia candel	Lu et al., 2007
柠檬酸 Citric acid		玉米 Zea mays	Pinto et al., 2008 Pinto et al., 2008
苹果酸 Malic acid		高粱 Sorghum bicolor	Pinto et al., 2008 Pinto et al., 2008
草酸、酒石酸 Oxalic acid, tartaric acid	Zn	黑麦草 Lolium perenne	Xu et al., 2007
苹果酸、柠檬酸 Malic acid, citric acid	Zn	水稻 Oryza sativa	Widodo et al., 2010
草酸、苹果酸、柠檬酸 Oxalic acid, malic acid, citric acid	Cr	水稻 Oryza sativa	Zeng et al., 2008
柠檬酸、苹果酸 Citric acid, malic acid	Cu	大豆 Glycine max 小麦 Triticum aestivum	Nian et al., 2002 Nian et al., 2002
柠檬酸 Citric acid	Cu	黑麦 Secale cereale 黑小麦 Triticosecale wittmack 玉米 Zea mays	Nian et al., 2002 Nian et al., 2002 Nian et al., 2002
丙二酸、柠檬酸、琥珀酸 Malonic acid, citric acid, succinic acid	Mn	紫花苜蓿 Medicago sativa	Gherardi & Rengel, 2004

有机酸 Organic acid	重金属 Heavy metal	植物 Plant species	参考文献 Reference
乙醇酸、马来酸、乙酸、乳酸、琥珀酸 Glycolic acid, maleic acid, acetic acid, lactic acid, succinic acid	Cd	烟草 Nicotiana benthamiana	Chiang et al., 2006 Chiang et al., 2006
乙酸、马来酸、琥珀酸、苹果酸 Acetic acid, maleic acid, succinic acid, malic acid		向日葵 Helianthus annuus	Chiang et al., 2006 Chiang et al., 2006
乙酸、甲酸 Acetic acid, formic acid		水稻 Oryza sativa	Liu et al., 2007
柠檬酸、乳酸、乙酸 Citric acid, lactic acid, acetic acid		秋茄 Kandelia candel	Lu et al., 2007
柠檬酸 Citric acid		玉米 Zea mays	Pinto et al., 2008 Pinto et al., 2008
苹果酸 Malic acid		高粱 Sorghum bicolor	Pinto et al., 2008 Pinto et al., 2008
草酸、酒石酸 Oxalic acid, tartaric acid	Zn	黑麦草 Lolium perenne	Xu et al., 2007
苹果酸、柠檬酸 Malic acid, citric acid	Zn	水稻 Oryza sativa	Widodo et al., 2010
草酸、苹果酸、柠檬酸 Oxalic acid, malic acid, citric acid	Cr	水稻 Oryza sativa	Zeng et al., 2008
柠檬酸、苹果酸 Citric acid, malic acid	Cu	大豆 Glycine max 小麦 Triticum aestivum	Nian et al., 2002 Nian et al., 2002
柠檬酸 Citric acid	Cu	黑麦 Secale cereale 黑小麦 Triticosecale wittmack 玉米 Zea mays	Nian et al., 2002 Nian et al., 2002 Nian et al., 2002
丙二酸、柠檬酸、琥珀酸 Malonic acid, citric acid, succinic acid	Mn	紫花苜蓿 Medicago sativa	Gherardi & Rengel, 2004