您好,欢迎访问广东省农业科学院 机构知识库!

Physiological responses of Hizikia fusiformis (Phaeophyta) to mercury exposure

文献类型: 外文期刊

作者: Zhu, Xifeng 1 ; Zou, Dinghui 2 ; Huang, Yanhua 1 ; Cao, Junming 1 ; Sheng, Guangcheng 1 ; Wang, Guoxia 1 ;

作者机构: 1.Guangdong Acad Agr Sci, Inst Anim Sci, Guangzhou 510640, Guangdong, Peoples R China

2.S China Univ Technol, Coll Environm & Energy, Guangzhou 510006, Guangdong, Peoples R China

3.Minist Educ, Key Lab Pollut Control & Ecosyst Restorat Ind Clu, Guangzhou 510006, Guangdong, Peoples R China

关键词: antioxidant enzymes;growth;Hizikia fusiformis;mercury;photosynthesis

期刊名称:BOTANICA MARINA ( 2020影响因子:1.843; 五年影响因子:1.746 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Marine coastal ecosystems are suffering from metal pollution such as mercury. Hizikia fusiformis is a commercially important brown marine macroalga. Entire thalli of H. fusiformis were cultured in media with different mercury concentrations for 7 days to examine the physiological effects of mercury exposure on this species. The relative growth rate of H. fusiformis was significantly reduced at 0.04 mg l(-1) mercury. Chlorophyll a and carotenoid contents were not affected by mercury concentrations <= 0.10 mg l(-1), but significantly decreased at 0.20 and 0.40 mg l(-1). Optimal quantum yield, maximum net photosynthetic rate, and apparent photosynthetic efficiency were reduced with increasing mercury concentrations. Malondialdehyde contents were significantly increased at 0.04-0.40 mg l(-1) mercury. Superoxide dismutase activity increased at 0.02-0.10 mg l(-1) mercury. Both superoxide dismutase and catalase activity strongly decreased at 0.20 and 0.40 mg l(-1). Nitrate reductase activity declined at mercury concentrations >= 0.04 mg l(-1). Consequently, the results suggest that H. fusiformis could tolerate mercury stress at very low concentrations but that mercury at high concentrations has toxic effects on H. fusiformis through its negative influence on photosynthesis and related physiology. The results also illuminate the physiological response mechanisms of algae to mercury exposure.

  • 相关文献

[1]Exogenous gamma-aminobutyric Acid (GABA) Application Improved Early Growth, Net Photosynthesis, and Associated Physio-Biochemical Events in Maize. Li, Wu,Liu, Jianhua,Li, Gaoke,Li, Yuliang,Lu, Wenjia,Gao, Lei,Han, Fuguang,Hu, Jianguang,Li, Wu,Liu, Jianhua,Li, Gaoke,Li, Yuliang,Lu, Wenjia,Gao, Lei,Han, Fuguang,Hu, Jianguang,Ashraf, Umair,Ashraf, Umair. 2016

[2]MAIZE GROWTH, YIELD FORMATION AND WATER-NITROGEN USAGE IN RESPONSE TO VARIED IRRIGATION AND NITROGEN SUPPLY UNDER SEMI-ARID CLIMATE. Ashraf, Umair,Pan, Shenggang,Tang, Xiangru,Ashraf, Umair,Pan, Shenggang,Tang, Xiangru,Salim, Mazhar Noor,Sher, Alam,Khan, Aqil,Sabir, Sabeeh-ur-Rasool. 2016

[3]Physiological responses of Porphyra haitanensis (Rhodophyta) to copper and cadmium exposure. Zhu, Xifeng,Huang, Yanhua,Cao, Junming,Sun, Yuping,Chen, Bing,Chen, Xiaoying,Zou, Dinghui,Zou, Dinghui.

[4]Exogenous Application of Plant Growth Regulators Induce Chilling Tolerance in Direct Seeded Super and Non-super Rice Seedlings through Modulations in Morpho-physiological Attributes. Mo, Z. W.,Ashraf, U.,Pan, S. G.,Kanu, A. S.,Duan, M. Y.,Tian, H.,Tang, X. R.,Mo, Z. W.,Ashraf, U.,Pan, S. G.,Kanu, A. S.,Duan, M. Y.,Tian, H.,Tang, X. R.,Li, W..

[5]PHOTOSYNTHESIS AND ANTIOXIDANT RESPONSE TO WINTER RAPESEED (BRASSICA NAPUS L.) AS AFFECTED BY BORON. Hossain, Md Faruque,Pan Shenggang,Duan Meiyang,Mo Zhaowen,Karbo, Maurice Baimba,Tang Xiangru,Hossain, Md Faruque,Pan Shenggang,Duan Meiyang,Mo Zhaowen,Karbo, Maurice Baimba,Tang Xiangru,Hossain, Md Faruque,Bano, Asghari. 2015

[6]Differential Response of Two Biotypes of Goosegrass (Eleusine indica) with Different Sensitivities to Glyphosate to Elevated CO2 Concentrations. Zhang, Tai-Jie,Feng, Li,Tian, Xing-Shan,Yang, Cai-Hong,Yue, Mao-Feng,Zhang, Tai-Jie,Peng, Chang-Lian. 2015

[7]Aluminum and Chromium Toxicity in Maize: Implications for Agronomic Attributes, Net Photosynthesis, Physio-Biochemical Oscillations, and Metal Accumulation in Different Plant Parts. Anjum, Shakeel Ahmad,Wang, Longchang,Anjum, Shakeel Ahmad,Wang, Longchang,Anjum, Shakeel Ahmad,Wang, Longchang,Anjum, Shakeel Ahmad,Khan, Imran,Saleem, Muhammad Farrukh,Ashraf, Umair,Ashraf, Umair,Tanveer, Mohsin.

[8]Mitochondrial uncoupling protein silence is compromised in photosynthesis and redox poise. Chen, Shuangchen,Jin, Wenjuan,Liu, Ai-rong,Lin, Xiaomin,Chen, Shuangchen,Liu, Zimei,Xia, Xiaojian,Liu, Dilin,Xia, Xiaojian.

[9]Short-term water management at early filling stage improves early-season rice performance under high temperature stress in South China. Kong, Leilei,Ashraf, Umair,Cheng, Siren,Rao, Gangshun,Mo, Zhaowen,Tian, Hua,Pan, Shenggang,Tang, Xiangru,Kong, Leilei,Ashraf, Umair,Cheng, Siren,Rao, Gangshun,Mo, Zhaowen,Tian, Hua,Pan, Shenggang,Tang, Xiangru.

[10]Molybdenum Affects Photosynthesis and Ionic Homeostasis of Chinese Cabbage under Salinity Stress. Hu, Chengxiao,Sun, Xuecheng,Zhao, Xiaohu,Tan, Qiling,Zhang, Ying,Zhang, Mu,Li, Na.

[11]Lead toxicity in rice: effects, mechanisms, and mitigation strategies-a mini review. Ashraf, Umair,Kanu, Adam Sheka,Mo, Zhaowen,Tang, Xiangru,Ashraf, Umair,Kanu, Adam Sheka,Mo, Zhaowen,Tang, Xiangru,Hussain, Saddam,Anjum, Shakeel Ahmad,Khan, Imran,Abbas, Rana Nadeem.

[12]Selenium uptake, dynamic changes in selenium content and its influence on photosynthesis and chlorophyll fluorescence in rice (Oryza sativa L.). Tang, Shuanhu,Huang, Xu,Zhang, Fabao,Pang, Yuwan,Huang, Qiaoyi,Yi, Qiong,Zhang, Mu,Tang, Shuanhu,Huang, Xu,Zhang, Fabao,Pang, Yuwan,Huang, Qiaoyi,Yi, Qiong,Zhang, Mu,Tang, Shuanhu,Huang, Xu,Zhang, Fabao,Pang, Yuwan,Huang, Qiaoyi,Yi, Qiong.

[13]Deep Sequencing Analysis of miRNA Expression in Breast Muscle of Fast-Growing and Slow-Growing Broilers. Ouyang, Hongjia,He, Xiaomei,Li, Guihuan,Xu, Haiping,Jia, Xinzheng,Nie, Qinghua,Zhang, Xiquan,Ouyang, Hongjia,He, Xiaomei,Li, Guihuan,Xu, Haiping,Jia, Xinzheng,Nie, Qinghua,Zhang, Xiquan,Ouyang, Hongjia,He, Xiaomei,Li, Guihuan,Xu, Haiping,Jia, Xinzheng,Nie, Qinghua,Zhang, Xiquan. 2015

[14]Differential growth response and carbohydrate metabolism of global collection of perennial ryegrass accessions to submergence and recovery following de-submergence. Yu, Xiaoqing,Jiang, Yiwei,Luo, Na,Yan, Jiapei,Tang, Jinchi,Liu, Shuwei. 2012

[15]Nonphytate Phosphorus Requirement and Efficacy of a Genetically Engineered Yeast Phytase for Yellow Broilers at 22- to 42-d-Old Age. Jiang Zong-yong,Zhou Gui-lian,Lin Ying-cai,Jiang Shou-qun,Li De-zhong,Xi Peng-bin,Zhang Han-xing. 2011

[16]Genetic dissection of growth traits in a Chinese indigenous x commercial broiler chicken cross. Sheng, Zheya,Hu, Xiaoxiang,Li, Ning,Sheng, Zheya,Pettersson, Mats E.,Shen, Xia,Carlborg, Orjan,Luo, Chenglong,Qu, Hao,Shu, Dingming. 2013

[17]Effects of Substitution of Fish Meal with Black Soldier Fly (Hermetia illucens) Larvae Meal, in Yellow Catfish (Pelteobagrus fulvidraco) Diets. Hu, Junru,Wang, Guoxia,Huang, Yanhua,Sun, Yuping,Zhao, Hongxia,Hu, Junru,Wang, Guoxia,Huang, Yanhua,Sun, Yuping,Zhao, Hongxia,He, Fei,Li, Nana. 2017

[18]Influence of Longdan Xiegan Decoction on Body Weights and Immune Organ Indexes in Ducklings Intoxicated with Aflatoxin B-1. Guo, S. N.,Su, R. S.,Lin, R. Q.,Chen, Y. Z.,Tang, Z. X.,Shi, D. Y.,Wu, H.,Liao, S. Q.. 2012

[19]Copy Number Variation in SOX6 Contributes to Chicken Muscle Development. Lin, Shudai,Lin, Xiran,Zhang, Zihao,Jiang, Mingya,Nie, Qinghua,Zhang, Xiquan,Rao, Yousheng. 2018

[20]Natural variation of salinity response, population structure and candidate genes associated with salinity tolerance in perennial ryegrass accessions. Tang, Jinchi,Yu, Xiaoqing,Camberato, James J.,Jiang, Yiwei,Luo, Na,Xiao, Fangming. 2013

作者其他论文 更多>>