globalchange  > 气候减缓与适应
DOI: 10.1016/j.marpolbul.2017.10.083
论文题名:
Exogenous phosphorus enhances cadmium tolerance by affecting cell wall polysaccharides in two mangrove seedlings Avicennia marina (Forsk.) Vierh and Kandelia obovata (S., L.) Yong differing in cadmium accumulation
作者: Dai M.; Liu W.; Hong H.; Lu H.; Liu J.; Jia H.; Yan C.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
出版年: 2018
卷: 126
起始页码: 86
结束页码: 92
语种: 英语
Scopus关键词: Cadmium ; Cells ; Cytology ; Marinas ; Phosphorus ; Polysaccharides ; Seed ; Cell wall polysaccharides ; Cell walls ; Degree of tolerance ; Kandelia obovata (S. , L.) Yong ; Mangrove ; Pectin methylesterase ; Phosphorous ; Root ; Plants (botany) ; cadmium ; hemicellulose ; pectin ; pectinesterase ; phosphorus ; plant cell wall polysaccharide ; polysaccharide ; unclassified drug ; bioaccumulation ; cadmium ; enzyme activity ; mangrove ; phosphorus ; polysaccharide ; root ; seedling ; Article ; Avicennia marina ; bioaccumulation ; cadmium tolerance ; cell wall ; enzyme activity ; Kandelia obovata ; mangrove ; nonhuman ; physical tolerance ; plant root ; plant stress ; seedling ; species difference ; Cadmium ; Mangrove ; Plants ; Seedlings ; Avicennia marina ; Kandelia obovata
英文摘要: Phosphorous (P) is an essential element that mediates various stresses in plants. In this study, the effects of P on polysaccharides in the root cell walls of two hydroponically cultivated mangrove seedlings (A. marina and K. obovata) that differ in Cd accumulation ability were examined in the context of Cd stress. The results showed that A. marina exhibited a higher degree of tolerance to Cd than K. obovata. In both mangrove seedlings, pectin and hemicellulose 1 increased significantly with increasing P levels, the effects of which were greater in A. marina under Cd stress. In addition, cell wall pectin methylesterase (PME) activity was markedly increased in the presence of Cd and P compared with Cd alone. These effects were more pronounced in A. marina than in K. obovata. Taken together, the results of this study provide further insight into the mechanisms of P-mediated alleviation of Cd stress in mangrove seedlings. © 2017 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106937
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, Xiamen University, Xiamen, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, China

Recommended Citation:
Dai M.,Liu W.,Hong H.,et al. Exogenous phosphorus enhances cadmium tolerance by affecting cell wall polysaccharides in two mangrove seedlings Avicennia marina (Forsk.) Vierh and Kandelia obovata (S., L.) Yong differing in cadmium accumulation[J]. Marine Pollution Bulletin,2018-01-01,126
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