Ecophysiological differences between five mangrove seedlings under heavy metal stress

被引：43

作者：

Zhou, Yue-Yue ^{[1
,2
,4
,5
]}

Wang, You-Shao ^{[1
,2
,3
,4
]}

Inyang, Aniefiok Ini ^{[1
,2
,4
,5
]}

机构：

[1] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Peoples R China

[2] Chinese Acad Sci, Daya Bay Marine Biol Res Stn, Shenzhen 518121, Peoples R China

[3] Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou 511458, Peoples R China

[4] Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, Guangzhou 510301, Peoples R China

[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2021年 / 172卷

基金：

中国国家自然科学基金;

关键词：

Mangrove plants; Heavy metals; Superoxide dismutase; Peroxidase; Catalase; Lipid peroxidation; ANTIOXIDATIVE ENZYMES; LIPID-PEROXIDATION; CADMIUM STRESS; GREY MANGROVE; GLUTATHIONE; PLANTS; ACCUMULATION; TOXICITY; COPPER; OXYGEN;

D O I：

10.1016/j.marpolbul.2021.112900

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

It was studied for the effects of heavy metal stress on the antioxidant activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT) and lipid peroxidation (MDA) in the leaves of five mangrove plants. The results showed the protein concentrations were significantly higher in B. gymnorrhiza (7.55 mg prot /mL: Cu2+), K. obovata (11.21 mg prot/mL: Cd2+) and R. stylosa (12.51 mg prot/mL: Cd2+) (p < 0.05). Comparably, MDA contents were remarkably high in A. marina than other species under the same conditions (p < 0.05). The SOD, POD and CAT were observed to be significantly high in A. marina, A. corniculatum and B. gymnorrhiza under the same heavy metal treatment (p < 0.05). The PCA revealed that POD, SOD and MDA of five mangrove species were the major indices for response to heavy metal. And A. marina was more tolerant to heavy metal stress than others.

引用

页数：8

共 39 条

[1] ACCUMULATORS AND EXCLUDERS - STRATEGIES IN THE RESPONSE OF PLANTS TO HEAVY-METALS [J].