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Interactions between the seaweed Gracilaria and dinoflagellate Akashiwo sanguinea in an indoor co-cultivation system and the interference of bacteria
Chai, Zhaoyang1,2; Hu, Zhangxi1,3,4; Deng, Yunyan1,3,4; Yang, Yufeng2; Tang, Ying Zhong1,3,4
2021-08-12
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
ISSN0921-8971
Pages11
Corresponding AuthorYang, Yufeng(tyyf@jnu.edu.cn) ; Tang, Ying Zhong(yingzhong.tang@qdio.ac.cn)
AbstractMany studies have demonstrated that some macroalgae (including the widely cultivated red alga Gracilaria lemaneiformis) can inhibit the growth of microalgae via allelopathy and resource competition, with the former as the major contributor. However, little is known currently about whether or not and how microalgae react as a feedback to the inhibitory effects or, more generally, the interactions between seaweed and microalgae in their co-culturing system. Here, we report a laboratory-based study on the interactions between the seaweed Gracilaria lemaneiformis and the common harmful algal blooms (HABs)-forming dinoflagellate Akashiwo sanguinea. We found that while both the fresh thalli of G. lemaneiformis and the extracts of fresh and dried G. lemaneiformis could significantly inhibit the growth of A. sanguinea, the dead cells of A. sanguinea "revenged" G. lemaneiformis via promoting the growth of bacteria and consequently slowed the growth of G. lemaneiformis, which was evidenced by the lowered pH, slowed nutrients consumption in the cultures, the elevated counts of bacteria, and the reduced biomass of G. lemaneiformis. Collectively, our results showed that while G. lemaneiformis could inhibit the growth of microalgae with allelopathy as a major contributor, the death of allelopathy-affected microalgae could promote bacterial growth, which sequentially inhibits the growth of G. lemaneiformis as a feedback.
KeywordHABs Gracilaria lemaneiformis Rhodophyta Dinoflagellate Allelopathy Bacteria
DOI10.1007/s10811-021-02532-x
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41977268] ; National Natural Science Foundation of China[61533011] ; National Natural Science Foundation of China[41776125] ; National Natural Science Foundation of China[41976134] ; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), China[311021006]
WOS Research AreaBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS SubjectBiotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS IDWOS:000684496300002
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/176017
Collection海洋生态与环境科学重点实验室
Corresponding AuthorYang, Yufeng; Tang, Ying Zhong
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Jinan Univ, Inst Hydrobiol, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Guangzhou 510632, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
First Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Corresponding Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chai, Zhaoyang,Hu, Zhangxi,Deng, Yunyan,et al. Interactions between the seaweed Gracilaria and dinoflagellate Akashiwo sanguinea in an indoor co-cultivation system and the interference of bacteria[J]. JOURNAL OF APPLIED PHYCOLOGY,2021:11.
APA Chai, Zhaoyang,Hu, Zhangxi,Deng, Yunyan,Yang, Yufeng,&Tang, Ying Zhong.(2021).Interactions between the seaweed Gracilaria and dinoflagellate Akashiwo sanguinea in an indoor co-cultivation system and the interference of bacteria.JOURNAL OF APPLIED PHYCOLOGY,11.
MLA Chai, Zhaoyang,et al."Interactions between the seaweed Gracilaria and dinoflagellate Akashiwo sanguinea in an indoor co-cultivation system and the interference of bacteria".JOURNAL OF APPLIED PHYCOLOGY (2021):11.
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