IOCAS-IR  > 海洋生态与环境科学重点实验室
Distribution and genetic diversity of the parasitic dinoflagellate Amoebophrya in coastal waters of China
Chen, Tiantian1,2,4; Xiao, Jie2,3; Liu, Yun1,2,4; Song, Shuqun1,2,4; Li, Caiwen1,2,4
2019-11-01
Source PublicationHARMFUL ALGAE
ISSN1568-9883
Volume89Pages:10
Corresponding AuthorLi, Caiwen(cwli@qdio.ac.cn)
AbstractAmoebophrya is an obligate endoparasite infecting wide ranges of marine organisms in coastal and oceanic waters. The parasitoid has received growing attention, due to its enormous genetic diversity in seawaters and suppressive effects on the growth of host dinoflagellates. Harmful algal blooms (HABs) caused by planktonic dinoflagellates have significantly impacted the coastal environment and mariculture in China. Series of studies have been conducted to reveal the occurrence mechanism and negative impacts of HABs in past decades, while the factors contributing to the recession of HABs have rarely been studied. Thus, the host range, prevalence and diversity of Amoebophrya along the coastline of China were systemically investigated to facilitate future studies on the ecological roles of the parasitoid. Overall, 10 dinoflagellate taxa were found to be infected by Amoebophrya spp., and the prevalence ranged from 0.03% to 2.50%. Sequencing of environmental genomic DNA revealed substantial diversity and significant regional heterogeneity of Amoebophryidae sequences derived from 12 coastal bays, while no significant correlation was observed among geographical locations. Phylogenetic analyses of 18S rDNA sequences derived from individual Amoebophrya-infected cells indicated the host divergence of the parasitoid and lend credence to the multiple species assumption. The results further revealed the broad host range, wide distribution and substantial diversity of Amoebophrya in the coastal waters of China, that should not be neglected in future studies on the succession of HABs, as well as the ecological significance of this parasitoid in marine microbial food webs.
KeywordDiversity Molecular phylogeny Parasitic dinoflagellate Prevalence 18S rDNA gene
DOI10.1016/j.hal.2019.101633
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[41876120] ; National Natural Science Foundation of China (NSFC)[41906122] ; China Postdoctoral Science Foundation[2018M642709] ; National Key R&D Program of China[2017YFC1404300]
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000496874100001
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164806
Collection海洋生态与环境科学重点实验室
Corresponding AuthorLi, Caiwen
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Ecol & Environm Sci, Qingdao 266237, Shandong, Peoples R China
3.Minist Nat Resources, Inst Oceanog 1, Key Lab Sci & Engn Marine Ecol & Environm, Qingdao 266061, Shandong, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Tiantian,Xiao, Jie,Liu, Yun,et al. Distribution and genetic diversity of the parasitic dinoflagellate Amoebophrya in coastal waters of China[J]. HARMFUL ALGAE,2019,89:10.
APA Chen, Tiantian,Xiao, Jie,Liu, Yun,Song, Shuqun,&Li, Caiwen.(2019).Distribution and genetic diversity of the parasitic dinoflagellate Amoebophrya in coastal waters of China.HARMFUL ALGAE,89,10.
MLA Chen, Tiantian,et al."Distribution and genetic diversity of the parasitic dinoflagellate Amoebophrya in coastal waters of China".HARMFUL ALGAE 89(2019):10.
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