气候变化领域集成服务门户(CCPortal): Effects of temperature and microbial disruption on juvenile kelp Ecklonia radiata and its associated bacterial community

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DOI	10.3389/fmars.2023.1332501
	Effects of temperature and microbial disruption on juvenile kelp Ecklonia radiata and its associated bacterial community
	Gonzalez, Sebastian Vadillo; Hurd, Catriona L.; Britton, Damon; Bennett, Eloise; Steinberg, Peter D.; Marzinelli, Ezequiel M.
发表日期	2024
EISSN	2296-7745
起始页码	10
卷号	10
英文摘要	Ocean warming can affect the development and physiological responses of kelps, and under future climate change scenarios, increasing seawater temperatures pose a major threat to these habitat-forming species. However, little is known about the effects of warming on epiphytic bacterial communities and how an altered microbiome may interact with temperature stress, affecting the condition and survival of kelp, particularly of the potentially more vulnerable early life stages. Here, we tested the effects of thermal stress on the growth and physiological responses of juvenile kelp Ecklonia radiata in which their epiphytic bacterial community was experimentally disrupted using antimicrobials, simulating dysbiosis. We hypothesized that, under thermal stress (23(o)C, simulating a extreme scenario of ocean warming in Tasmania), kelp with a disrupted bacterial community would be more strongly affected than kelp with an undisrupted microbiome or kelp under ambient temperature (14(o)C) but with a disrupted microbiota. Thermal stress reduced growth, increased tissue bleaching and negatively affected net photosynthesis of kelp. In addition, a substantial change in the epiphytic bacterial community structure was also found under thermal stress conditions, with an increase in the abundance of potentially pathogenic bacterial groups. However, microbial disruption did not act synergistically with thermal stress to affect kelp juveniles. These results suggest that effects of elevated temperature on juvenile kelps is not microbially-mediated and that juveniles may be less susceptible to disruptions of their microbiome.
英文关键词	microbiome; thermal stress; dysbiosis; kelp; disturbances
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目	Environmental Sciences ; Marine & Freshwater Biology
WOS记录号	WOS:001155648700001
来源期刊	FRONTIERS IN MARINE SCIENCE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/288687
作者单位	University of Sydney; Sydney Institute of Marine Science; University of New South Wales Sydney; University of Tasmania; Nanyang Technological University
推荐引用方式 GB/T 7714	Gonzalez, Sebastian Vadillo,Hurd, Catriona L.,Britton, Damon,et al. Effects of temperature and microbial disruption on juvenile kelp Ecklonia radiata and its associated bacterial community[J],2024,10.
APA	Gonzalez, Sebastian Vadillo,Hurd, Catriona L.,Britton, Damon,Bennett, Eloise,Steinberg, Peter D.,&Marzinelli, Ezequiel M..(2024).Effects of temperature and microbial disruption on juvenile kelp Ecklonia radiata and its associated bacterial community.FRONTIERS IN MARINE SCIENCE,10.
MLA	Gonzalez, Sebastian Vadillo,et al."Effects of temperature and microbial disruption on juvenile kelp Ecklonia radiata and its associated bacterial community".FRONTIERS IN MARINE SCIENCE 10(2024).