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Strategies of phosphorus utilization in an astaxanthin-producing green alga Haematococcus pluvialis, a comparison with a bloom-forming cyanobacterium Microcystis wesenbergii
Ding, Dongbo1; Chen, Shasha1; Peng, Shuiping1; Jiang, Changyu1; Zheng, Lingling2; Li, Jie1
2019-12-01
Source PublicationAQUATIC ECOLOGY
ISSN1386-2588
Volume53Issue:4Pages:679-688
Abstract

Haematococcus pluvialis is a unicellular green alga with great commercial value, due to its synthesis of powerful antioxidant astaxanthin. H. pluvialis was mainly distributed in small water bodies but was also observed in eutrophicated lakes, and even coexisted with Microcystis. However, Haematococcus cells never prevail in eutrophicated water bodies. Phosphorus is the main limiting factor in most aquatic ecosystems and may have a role in the distribution of H. pluvialis. Here, we focused on the physiological responses of H. pluvialis to various phosphorus conditions (0.002, 0.02, 0.2, and 2 mM), and compared with a bloom-forming cyanobacterium Microcystis wesenbergii. Growth determination suggested that high phosphorus conditions (0.2 mM and 2 mM) favor the growth of H. pluvialis cells, but H. pluvialis cells have a shorter duration of log phase than M. wesenbergii cells. Growth determination also indicated H. pluvialis cells had lower tolerability to low phosphorus (0.002 mM). Qualitative comparisons from long-term and short-term phosphorus uptake experiments, polyphosphate accumulation and extracellular alkaline phosphatase expression analysis suggested two different phosphorus utilization strategies in the two species. H. pluvialis cells were characterized with the induction of extracellular alkaline phosphatase to survive phosphorus-deficient condition, while M. wesenbergii cells were characterized with quick uptake of phosphorus and accumulation more of polyphosphate in phosphorus-replete conditions. To our knowledge, this is the first study to demonstrate features of phosphorus uptake and utilization in H. pluvialis, which will increase our understanding in the distribution of H. pluvialis.

KeywordAlkaline phosphatase Biodiversity protection Haematococcus culture Phosphorus uptake Polyphosphate
DOI10.1007/s10452-019-09718-z
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Limnology ; Marine & Freshwater Biology
WOS IDWOS:000495242000013
WOS KeywordINORGANIC POLYPHOSPHATE ; DEFICIENCY INDICATORS ; ALKALINE-PHOSPHATASE ; BUOYANCY REGULATION ; PHYTOPLANKTON ; NITROGEN ; LAKE ; ACCUMULATION ; RESPONSES ; ECOLOGY
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35263
Collection其他_期刊论文
Corresponding AuthorLi, Jie
Affiliation1.Cent S Univ, Sch Life Sci, Hunan Key Lab Anim Models Human Dis, 172 Tongzipo Rd, Changsha 410013, Hunan, Peoples R China
2.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Ding, Dongbo,Chen, Shasha,Peng, Shuiping,et al. Strategies of phosphorus utilization in an astaxanthin-producing green alga Haematococcus pluvialis, a comparison with a bloom-forming cyanobacterium Microcystis wesenbergii[J]. AQUATIC ECOLOGY,2019,53(4):679-688.
APA Ding, Dongbo,Chen, Shasha,Peng, Shuiping,Jiang, Changyu,Zheng, Lingling,&Li, Jie.(2019).Strategies of phosphorus utilization in an astaxanthin-producing green alga Haematococcus pluvialis, a comparison with a bloom-forming cyanobacterium Microcystis wesenbergii.AQUATIC ECOLOGY,53(4),679-688.
MLA Ding, Dongbo,et al."Strategies of phosphorus utilization in an astaxanthin-producing green alga Haematococcus pluvialis, a comparison with a bloom-forming cyanobacterium Microcystis wesenbergii".AQUATIC ECOLOGY 53.4(2019):679-688.
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