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Effects of plant growth regulators on physiological performances of three calcifying green macroalgae Halimeda species (Bryopsidales, Chlorophyta)
Wei, Zhangliang; Long, Chao1; Yang, Fangfang; Long, Lijuan; Mo, Jiahao1; Hu, Qunju1; Huo, Yuanzi3; Ding, Dewen2
2020
Source PublicationAQUATIC BOTANY
ISSN0304-3770
Volume161Pages:103186
AbstractThe effects of various concentrations of four types of plant growth regulator (PGR) on the physiological performance and microbial populations of three calcifying Halimeda species were evaluated in a 42-day aquaria experiment. The results show that PGRs enhanced the growth and calcification rates at relatively low concentrations, while inhibiting the physiological activities of Halimeda at high concentrations. Net oxygen production rate and pigment concentrations were differed depending on the concentrations and types of PGRs. Carbonic anhydrase activity, total tissue carbon and nitrogen contents varied among different PGRs concentrations, which suggested that these physiological performances were enhanced under appropriate concentration availability of PGRs. Based on 16S rRNA high-throughput sequencing analyses, Alphaproteobacteria, Gammaproteobacteria, and Deltaproteobacteria, belonging to the Proteobacteria phylum, were significantly higher in the PGRs treatment than those in control group. The microbial communities could be majorly divided into three groups corresponding to the Halimeda species, suggesting that physiological differences between Halimeda species may lead to secretion of specific types of biochemical compounds, thus selecting different microbial species at both the taxonomic level and functional level, which may contribute to carbon and nitrogen fixation. The results of this study indicated that it is both practical and efficient to amplify calcifying Halimeda biomass through the addition of PGRs, which could provide a theoretical basis for use of this technique in restoring and maintaining the ecological diversity and sustainable development of coral reef ecosystems.
DepartmentLMB
KeywordCalcifying macroalgae Plant growth regulators Microbial community Growth rates Photosynthesis Carbonic anhydrase High-throughput sequencing
Funding OrganizationStrategic Priority Research Program of the Chinese Academy Sciences [XDA13020203]; Guangdong Science and Technology Project [201707010174]; Ocean Public Welfare Scientific Research Project [201305018-3] ; Strategic Priority Research Program of the Chinese Academy Sciences [XDA13020203]; Guangdong Science and Technology Project [201707010174]; Ocean Public Welfare Scientific Research Project [201305018-3]
DOI10.1016/j.aquabot.2019.103186
Funding OrganizationStrategic Priority Research Program of the Chinese Academy Sciences [XDA13020203]; Guangdong Science and Technology Project [201707010174]; Ocean Public Welfare Scientific Research Project [201305018-3] ; Strategic Priority Research Program of the Chinese Academy Sciences [XDA13020203]; Guangdong Science and Technology Project [201707010174]; Ocean Public Welfare Scientific Research Project [201305018-3]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/18501
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Minist Nat Resources, Inst Oceanog 1, Qingdao 266061, Peoples R China
4.Univ Maryland, Chesapeake Biol Lab, Ctr Environm Sci, 146 Williams St, Solomons, MD 20688 USA
Recommended Citation
GB/T 7714
Wei, Zhangliang,Long, Chao,Yang, Fangfang,et al. Effects of plant growth regulators on physiological performances of three calcifying green macroalgae Halimeda species (Bryopsidales, Chlorophyta)[J]. AQUATIC BOTANY,2020,161:103186.
APA Wei, Zhangliang.,Long, Chao.,Yang, Fangfang.,Long, Lijuan.,Mo, Jiahao.,...&Ding, Dewen.(2020).Effects of plant growth regulators on physiological performances of three calcifying green macroalgae Halimeda species (Bryopsidales, Chlorophyta).AQUATIC BOTANY,161,103186.
MLA Wei, Zhangliang,et al."Effects of plant growth regulators on physiological performances of three calcifying green macroalgae Halimeda species (Bryopsidales, Chlorophyta)".AQUATIC BOTANY 161(2020):103186.
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