Insights into response of seagrass (<i>Zostera marina</i>) to sulfide exposure at morphological, physiochemical and molecular levels in context of coastal eutrophication and warming

doi:10.1111/pce.15048

	*Insights into response of seagrass (Zostera marina) to sulfide exposure at morphological, physiochemical and molecular levels in context of coastal eutrophication and warming*
	Zhang, Yu1,2,3,4,5,6 ; Yue, Shidong1,2,3,4,5,6 ; Gao, Yaping 7; Zhao, Peng8 ; Liu, Mingjie1,2,3,4,5,6 ; Qiao, Yongliang 9; Xu, Shaochun1,2,3,4,5,6 ; Gu, Ruiting 10; Zhang, Xiaomei1,2,3,4,5,6 ; Zhou, Yi1,2,3,4,5,6
	2024-07-30
发表期刊	PLANT CELL AND ENVIRONMENT
ISSN	0140-7791
页码	18
通讯作者	Zhang, Xiaomei([email protected]) ; Zhou, Yi([email protected])
摘要	Sulfide in sediment porewaters, is toxic to rooted macrophytes in both marine and freshwater environments. Current research on sulfide stress in seagrasses primarily focuses on morphological and physiological aspects, with little known about the molecular response and resistance mechanisms. This study first investigated the damage caused by sulfide to eelgrass (Zostera marina L.) using transcriptomic, metabolomic, and other physiological and biochemical indicators and explored the potential resistance of eelgrass at molecular level through laboratory simulated and in-situ sulfide stress experiments. Comprehensive results showed that sulfide stress severely inhibited the growth, photosynthesis, and antioxidant enzyme activities of eelgrass. Importantly, transcriptome analysis revealed significant activation of pathways related to carbohydrate and sulfur metabolism. This activation served a dual purpose: providing an energy source for eelgrass stress response and achieving detoxification through accelerated sulfur metabolism-a potential resistance mechanism. The toxicity of sulfide increased with rising temperature as evidenced by a decrease in EC50. Results from recovery experiments indicated that when Fv/Fm reduced to about 0 under sulfide stress, the growth and photosynthesis of eelgrass recovered to normal level after timely removal of sulfide. However, prolonged exposure to sulfide resulted in failure to recover, leading ultimately to plant death. This study not only enhances our understanding of the molecular-level impacts of sulfide on seagrasses but also provides guidance for the management and ecological restoration of seagrass meadows under sulfide stress.
关键词	ecotoxicity eelgrass hypoxia resilience restoration
DOI	10.1111/pce.15048
收录类别	SCI
语种	英语
资助项目	The National Natural Science Foundation of China[32270405/42206142/32000269/41606192]; National Key R&D Program of China[2022YFC3105403]; Natural Science Foundation of Shandong Province[SDCX-ZG202201018/ZR2020QD106]; Taishan Scholars Program
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
WOS记录号	WOS:001280279900001
出版者	WILEY
WOS关键词	DIE-OFF EVENTS ; THALASSIA-TESTUDINUM ; SEDIMENT SULFIDE ; FLORIDA BAY ; HEAT WAVES ; INTRUSION ; STRESS ; SULFUR ; ARABIDOPSIS ; IRON
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/186139
专题	海洋生态与环境科学重点实验室
通讯作者	Zhang, Xiaomei; Zhou, Yi
作者单位	1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Marine Sci & Technol Ctr, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China 3.Minist Nat Resources, Field Sci Observat Res Stn Yellow Bohai Sea Temper, Qingdao, Peoples R China 4.Chinese Acad Sci, Inst Oceanol, CAS Engn Lab Marine Ranching, Qingdao, Peoples R China 5.Univ Chinese Acad Sci, Beijing, Peoples R China 6.Shandong Prov Key Lab Expt Marine Biol, Qingdao, Peoples R China 7.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr, Qingdao, Peoples R China 8.Hainan Univ, State Key Lab Marine Resource Utilizat South China, Haikou, Peoples R China 9.Qingdao Univ Sci & Technol, Qingdao, Peoples R China 10.East China Normal Univ, Shanghai, Peoples R China
第一作者单位	海洋生态与环境科学重点实验室; 中国科学院海洋研究所
通讯作者单位	海洋生态与环境科学重点实验室; 中国科学院海洋研究所
推荐引用方式 GB/T 7714	Zhang, Yu,Yue, Shidong,Gao, Yaping,et al. Insights into response of seagrass (Zostera marina) to sulfide exposure at morphological, physiochemical and molecular levels in context of coastal eutrophication and warming[J]. PLANT CELL AND ENVIRONMENT,2024:18.
APA	Zhang, Yu.,Yue, Shidong.,Gao, Yaping.,Zhao, Peng.,Liu, Mingjie.,...&Zhou, Yi.(2024).Insights into response of seagrass (Zostera marina) to sulfide exposure at morphological, physiochemical and molecular levels in context of coastal eutrophication and warming.PLANT CELL AND ENVIRONMENT,18.
MLA	Zhang, Yu,et al."Insights into response of seagrass (Zostera marina) to sulfide exposure at morphological, physiochemical and molecular levels in context of coastal eutrophication and warming".PLANT CELL AND ENVIRONMENT (2024):18.