|本期目录/Table of Contents|

[1]柳检 罗立强**.植物对矿物的风化作用机制研究进展*[J].应用与环境生物学报,2019,25(06):1-17.[doi:10.19675/j.cnki.1006-687x.2019.02026]
 LIU Jian & LUO Liqiang**.Advances in research on the mechanisms of plant-driven mineral weathering**[J].Chinese Journal of Applied & Environmental Biology,2019,25(06):1-17.[doi:10.19675/j.cnki.1006-687x.2019.02026]
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植物对矿物的风化作用机制研究进展*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
25卷
期数:
2019年06期
页码:
1-17
栏目:
研究论文
出版日期:
2019-12-30

文章信息/Info

Title:
Advances in research on the mechanisms of plant-driven mineral weathering**
作者:
柳检 罗立强**
国家地质实验测试中心 北京 100037
Author(s):
LIU Jian & LUO Liqiang**
National Research Center of Geoanalysis, Beijing 100037, China
关键词:
植物矿物风化根系分泌物植物共生菌根元素释放吸收土壤/矿物-根界面
Keywords:
plant mineral weathering root exudates symbiosis mycorrhizas the release of elements uptake soil/mineralroot interface
DOI:
10.19675/j.cnki.1006-687x.2019.02026
摘要:
矿物风化可为植物生长提供必需的营养矿物质,但也是毒性元素的主要来源之一。研究植物作用下的矿物风化过程,探索环境中元素的来源、分布和迁移转化规律,有助于加深对植物和矿物相互作用机制的认识,为开展有益、有害元素的植物吸收与调控策略的研究提供科学依据。对国内外在植物与矿物风化研究领域的现状与进展进行了分析和评述。从中可以发现,(1)根系分泌物的根际作用、植物对风化产物的吸收作用和植物共生菌根的辅助作用是植物驱动矿物风化的三种重要途径;(2)植物根系分泌物可通过H+的酸解、有机酸的络合、植物铁载体的螯合和氧化还原等四种作用机制,协同促进矿物表面风化;(3)根际有机酸中羧基、羟基的结构特征,及其与金属离子的配位关系,是有机酸控制矿物风化的关键因素。认为从分子和时空四维尺度,探索土壤/矿物与根系界面中有机配体和金属的相互作用机制及元素的形态转化过程,是该领域的未来发展方向。(图4表1参86)
Abstract:
Mineral weathering can provide essential nutrient minerals for plant growth, which is also one of the main sources of toxic elements. Studying the mineral weathering process induced by plant and exploring the source, distribution, translocation and transformation of elements in the environment are helpful to realize the interaction mechanism between plants and minerals. This can also provide scientific basis for the studying of the plant uptake and regulation strategies of both beneficial and harmful elements. In this paper, the research status and advances of the relationship between plant and mineral weathering were explored and reviewed. It can be found that (1) the rhizosphere effect of root exudates, the absorption effect of roots and the auxiliary effect of symbiosis mycorrhizas are the main pathways of plant-driven mineral weathering; (2) the acidolysis of H +, the complexation of organic acids, the chelation of phytosiderophores and the reaction of oxidoreduction are the main mechanism through which plant root exudates promote mineral weathering process; (3) the key factors affecting the process of organic acids controlling mineral weathering include the structure of carboxyl groups and hydroxyl groups in organic acids and their coordination relationship with metal ions . It is concluded that exploring the interaction mechanism between organic ligands and metals, and the transformation of elemental speciation in the soil/mineral?root interface at the molecular scale and spatial and temporal four-dimensional scale are the main research orientation in the future.

相似文献/References:

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 Huang Yinxiao,Lin Shunhua,Kong Lingshao,et al.THE CHARACTERISTICS OF ELEMENT BACKGROUND VALUES OF PLANTS AND SOILS AND THEIR RELATIONSHIPS IN ALASHAN,INNER MONGOLIA[J].Chinese Journal of Applied & Environmental Biology,1996,2(06):329.
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备注/Memo

备注/Memo:
收稿日期 Received: 2019-02-24 接受日期 Accepted: 2019-04-19
*国家自然科学基金项目(41877505)、国家重点研发计划项目(2016YFC0600603)和中国地质调查项目(DD20160340)资助
**通讯作者 Corresponding author (E-mail: luoliqiang@cags.ac.cn)
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更新日期/Last Update: 2019-04-26