IOCAS-IR  > 海洋生态与环境科学重点实验室
Transcriptomic response of the harmful algae Heterosigma akashiwo to polyphosphate utilization and phosphate stress
Ji, Nanjing1,2,3,4; Zhang, Zhenzhen1,2; Chen, Lei1,2; Yin, Xueyao1,2; Shen, Xin1,2
2022-08-01
Source PublicationHARMFUL ALGAE
ISSN1568-9883
Volume117Pages:9
Corresponding AuthorJi, Nanjing(jinanjing@126.com) ; Shen, Xin(shenthin@163.com)
AbstractPhosphorus (P) is one of the major macronutrients necessary for phytoplankton growth. In some parts of the ocean, however, P is frequently scarce, hence, there is limited phytoplankton growth. To cope with P deficiency, phytoplankton evolved a variety of strategies, including, utilization of different P sources. Polyphosphate (polyP) is ubiquitously present and serves an essential function in aquatic environments, but it is unclear if and how this polymer is utilized by phytoplankton. Here, we examined the physiological and molecular responses of the widely present harmful algal bloom (HAB) species, Heterosigma akashiwo in polyP utilization, and in coping with P-deficiency. Our results revealed that two forms of inorganic polyP, namely, sodium tripolyphosphate and sodium hexametaphosphate, support H. akashiwo growth as efficiently as orthophosphate. However, few genes involved in polyP utilization have been identified. Under P-deficient conditions, genes associated with P transport, dissolved organic P utilization, sulfolipid synthesis, and energy production, were markedly elevated. In summary, our results indicate that polyP is bioavailable to H. akashiwo, and this HAB species have evolved a comprehensive strategy to cope with P deficiency.
KeywordHeterosigma akashiwo Polyphosphate P deficiency Transcriptome response
DOI10.1016/j.hal.2022.102267
Indexed BySCI
Language英语
Funding ProjectCenter for Collections of Marine Algae (CCMA) of Xiamen University[42006135] ; Natural Science Foundation of China[ZKK2021021] ; Lianyungang Postdoctoral Science Founda-tion[KYCX2021-001] ; Postgraduate Research & Practice Innovation Program of Jiangsu Province ; Young Talents Elevating Project for Jiangsu Association for Science and Technology ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000810371000003
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/179492
Collection海洋生态与环境科学重点实验室
Corresponding AuthorJi, Nanjing; Shen, Xin
Affiliation1.Jiangsu Ocean Univ, Jiangsu Key Lab Marine Bioresources & Environm, Jiangsu Key Lab Marine Biotechnol, Lianyungang 222005, Peoples R China
2.Jiangsu Ocean Univ, Coinnovat Ctr Jiangsu Marine Bioind Technol, Lianyungang 222005, Peoples R China
3.Jiangsu Marine Resources Dev Res Inst, Lianyungang 222005, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, 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
Recommended Citation
GB/T 7714
Ji, Nanjing,Zhang, Zhenzhen,Chen, Lei,et al. Transcriptomic response of the harmful algae Heterosigma akashiwo to polyphosphate utilization and phosphate stress[J]. HARMFUL ALGAE,2022,117:9.
APA Ji, Nanjing,Zhang, Zhenzhen,Chen, Lei,Yin, Xueyao,&Shen, Xin.(2022).Transcriptomic response of the harmful algae Heterosigma akashiwo to polyphosphate utilization and phosphate stress.HARMFUL ALGAE,117,9.
MLA Ji, Nanjing,et al."Transcriptomic response of the harmful algae Heterosigma akashiwo to polyphosphate utilization and phosphate stress".HARMFUL ALGAE 117(2022):9.
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