环境条件对植物有机酸影响研究进展
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摘要
全球环境变化日趋严重,环境变化在很大程度上会影响植物生长发育。有机酸是植物体内重要的代谢产物,具有重要的代谢功能,因此研究不同环境条件对植物有机酸的影响及其对环境因素的内在响应机制具有一定意义。目前,有关不同环境条件下植物形态、生长发育等研究相对广泛,但关于植物体内有机酸对环境变化的响应机理有待深入探究,综述了高浓度CO_2、水分胁迫、盐碱胁迫、重金属胁迫条件下植物有机酸种类、内源含量、分泌量的变化及其内在响应机制,为未来环境条件下的植物生长和作物栽培等生产实践提供理论依据,并展望有待深入的研究方向。
The global environment is changing more and more seriously, environmental changes will impact the growth and development of plants largely. Organic acids are important metabolites in plants and have important metabolic functions. Therefore, it is significant to study the effects of different environmental conditions on plant organic acids and their internal response mechanism to environmental factors. At present, the research on plant root morphology, growth and development under different environmental conditions is widespread, but the response mechanism of organic acids in plants to environmental changes needs to be further explored. In this paper, the changes of plant organic acids species, endogenous contents and secretory amounts under high concentration of CO_2, water stress, salt and alkali stresses and heavy metal stress and their internal response mechanisms are reviewed, which will provides a theoretical basis for the production practice of plant growth and crop cultivation under the environmental conditions in the future, and the future research directions in this field are also discussed.
The global environment is changing more and more seriously, environmental changes will impact the growth and development of plants largely. Organic acids are important metabolites in plants and have important metabolic functions. Therefore, it is significant to study the effects of different environmental conditions on plant organic acids and their internal response mechanism to environmental factors. At present, the research on plant root morphology, growth and development under different environmental conditions is widespread, but the response mechanism of organic acids in plants to environmental changes needs to be further explored. In this paper, the changes of plant organic acids species, endogenous contents and secretory amounts under high concentration of CO_2, water stress, salt and alkali stresses and heavy metal stress and their internal response mechanisms are reviewed, which will provides a theoretical basis for the production practice of plant growth and crop cultivation under the environmental conditions in the future, and the future research directions in this field are also discussed.
引文
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[27]孙瑞莲,周启星,王新.镉超积累植物龙葵叶片中镉的积累与有机酸含量的关系[J].环境科学,2006(4):765-769.
[28]王学礼,常青山,侯晓龙,等.三名铅锌矿区植物对重金属的富集特征[J].生态环境学报,2010,19(1):108-112.
[29]林海涛,史衍玺.铅、镉胁迫对茶树根系分泌有机酸的影响[J].山东农业科学,2005(2):32-34.
[30]侯晓龙.铅超富集植物金丝草对Pb胁迫的响应机制研究[D].福州:福建农林大学,2013.
[31]张利,何新华,陈虎,等.铅胁迫下杨梅根系分泌有机酸的研究[J].浙江林学院学报,2009,26(5):663-666.
[ 2 ]ARANJUELO I,PARDO A,BIEL C,et al.Leaf carbon management in slow-growing plants exposed to elevated CO2[J].Global Change Biol,2009,15(1):97-109.
[ 3 ]HOLCROFT D M,KADER AA.Controlled atmosphere-induced changes in pH and organic acid metabolism may affect color of stored strawberry fruit[J].Postharvest Biol Technol,1999,17:19-32.
[ 4 ]陈德欣.高浓度CO2影响下植物的生理响应[J].福建农业科技,2005(2):58-59.
[ 5 ]王大力,林伟宏.CO2浓度升高对水稻根系分泌物的影响[J].生态学报,1999,19(4):570-572.
[ 6 ]王月.CO2浓度升高不同供磷番茄根系生和根系分泌物的影响[D].杭州:浙江大学,2008.
[ 7 ]KOGAWARA S,NORISADA M,TANGE T,et al.Elevated atmospheric CO2 concentration alters the effect of phosphate supply on growth of Japanese red pine (Pinus densiflora) seedlings[J].Tree Physiol,2006,26(1):25.
[ 8 ]高艳.不同干旱条件下的根系分泌物及其与根际微生物的关系[D].重庆:西南大学,2008.
[ 9 ]周来良.干旱对根际土壤酶、氮磷钾及根部有机酸的影响[D].重庆:西南大学,2009.
[10]赵宽.不同磷、干旱水平对植物根系有机酸分泌的影响[D].镇江:江苏大学,2011.
[11]刘爱荣,张远兵,谭志静,等.模拟干旱对佛甲草生长和渗透调节物质积累的影响[J].草业学报,2012,21(3):156-162.
[12]王兰兰,刘新,刘贺楠,等.小麦幼苗对盐胁迫和水分胁迫的生理反应对比[J].沈阳师范大学学报(自然科学版),2013,31(1):120-123.
[13]郭立泉.盐、碱胁迫下星星草体内有机酸积累比较[D].长春:东北师范大学,2005.
[14]郭立泉,陈建欣,崔景军,等.盐、碱胁迫下星星草有机酸代谢调节的比较研究[J].东北师大学报(自然科学版),2009,41(4):123-128.
[15]郭立泉.盐、碱胁迫下星星草有机酸代谢调节的比较研究[C]//中国植物逆境生理学与分子生物学学术研讨会,2010:123-128.
[16]吕家强,李长有,杨春武,等.天然盐碱土壤对虎尾草茎叶有机酸积累影响及胁迫因子分析[J].草业学报,2015,24(4):95-103.
[17]郭瑞.松嫩平原四种禾本科植物耐盐碱生理生态机制研究[D].长春:东北师范大学,2010.
[18]赵琦.混合盐碱胁迫下接种AMF对紫花苜蓿生理生长的影响[D].呼和哈特:内蒙古大学,2015.
[19]麻莹,张婕.药用植物碱地肤响应盐碱胁迫的有机酸积累特点[J].科技与创新,2014(17):111-112.
[20]COBBETT C S.Phytochelatin biosynthesis and function in heavy-metal detoxification[J].Curr Opin Plant Biol,2000,3(3):211-216.
[21]LU H L,YAN C L,LIU J C.Low-molecular-weight organic acids exuded by Mangrove(Kandelia candel(L.)Druce)roots and their effect on cadmium species change in the rhizosphere[J].Environ Exp Bot,2007,61:159-166.
[22]GRANT C,CLARKE J,DUGUID S,et al.Selection and breeding of plant cultivars to minimize cadmiumaccumulation[J].Sci Total Environ,2008,390:301-310.
[23]PINTO A P,SIMOES I,MOTA A M.Cadmium impact on root exudates of sorghum and maizeplant:a speciation study[J].J Plant Nutr,2008,31:1746-1755.
[24]秦丽,李元,祖艳群,等.镉胁迫对续断菊Sonchus asper L.Hill.根系分泌物的影响[J].生态环境学报,2012,21(3):540-544.
[25]XIE X Y,DOMINIK J W,BOSEN W,et al.The short-term effect of cadmium on low molecular weight organic acid and amino acid exudation from mangrove (Kandelia obovata(S.,L.) Yong) roots[J].Environ Sci Pollut Res Int,2013,20(2):997-1008.
[26]ZHU X F,ZHENG C,HU Y T,et al.Cadmium-induced oxalate secretion from root apex is associated with cadmium exclusion and resistance in Lycopersicon esulentum[J].Plant,Cell Environ,2011,34:1055-1064.
[27]孙瑞莲,周启星,王新.镉超积累植物龙葵叶片中镉的积累与有机酸含量的关系[J].环境科学,2006(4):765-769.
[28]王学礼,常青山,侯晓龙,等.三名铅锌矿区植物对重金属的富集特征[J].生态环境学报,2010,19(1):108-112.
[29]林海涛,史衍玺.铅、镉胁迫对茶树根系分泌有机酸的影响[J].山东农业科学,2005(2):32-34.
[30]侯晓龙.铅超富集植物金丝草对Pb胁迫的响应机制研究[D].福州:福建农林大学,2013.
[31]张利,何新华,陈虎,等.铅胁迫下杨梅根系分泌有机酸的研究[J].浙江林学院学报,2009,26(5):663-666.