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Improved use of organic phosphate by Skeletonema costatum through regulation of Zn2+ concentrations
Alternative TitleBiotechnol. Lett.
Shi, YJ; Hu, HH; Ma, RY; Cong, W; Cai, ZL
2004-05-01
Source PublicationBIOTECHNOLOGY LETTERS
ISSN0141-5492
Volume26Issue:9Pages:747-751
AbstractThe maximum growth rate (1.4-2 x 10(5) cells ml(-1) d(-1)), cell final yields (2.6-5.2 x 10(5) cells ml(-1)) and extracellular alkaline phosphatase activity (2.4-10.6 mug phosphate released ml(-1) h(-1)) of the red tide alga, Skeletonema costatum, increased when Zn2+ was increased from 0 to 24 pM, but decreased with 66 pM Zn2+ in growth medium with glycerophosphate as the sole phosphorus source. Extracellular carbonic anhydrase activity and the affinity for HCO3- and CO2 uptake increased when Zn2+ was increased from 0 to 12 pM, but then decreased at higher concentrations. The results suggested that utilization of organic phosphate required more Zn2+ than the uptake of inorganic carbon did, while utilization of dissolved inorganic carbon by Skeletonema costatum was very sensitive to Zn2+ concentration variations.; The maximum growth rate (1.4-2 x 10(5) cells ml(-1) d(-1)), cell final yields (2.6-5.2 x 10(5) cells ml(-1)) and extracellular alkaline phosphatase activity (2.4-10.6 mug phosphate released ml(-1) h(-1)) of the red tide alga, Skeletonema costatum, increased when Zn2+ was increased from 0 to 24 pM, but decreased with 66 pM Zn2+ in growth medium with glycerophosphate as the sole phosphorus source. Extracellular carbonic anhydrase activity and the affinity for HCO3- and CO2 uptake increased when Zn2+ was increased from 0 to 12 pM, but then decreased at higher concentrations. The results suggested that utilization of organic phosphate required more Zn2+ than the uptake of inorganic carbon did, while utilization of dissolved inorganic carbon by Skeletonema costatum was very sensitive to Zn2+ concentration variations.
KeywordGrowth Organic Phosphate Red Tide Skeletonema Costatum Zn2++
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
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Indexed BySCI
Language英语
WOS KeywordMARINE-PHYTOPLANKTON ; LIMITATION ; COASTAL ; GROWTH ; ZINC
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000220849300012
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4948
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100080, Peoples R China
2.Beijing Univ Chem Technol, Sch Chem Engn, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Shi, YJ,Hu, HH,Ma, RY,et al. Improved use of organic phosphate by Skeletonema costatum through regulation of Zn2+ concentrations[J]. BIOTECHNOLOGY LETTERS,2004,26(9):747-751.
APA Shi, YJ,Hu, HH,Ma, RY,Cong, W,&Cai, ZL.(2004).Improved use of organic phosphate by Skeletonema costatum through regulation of Zn2+ concentrations.BIOTECHNOLOGY LETTERS,26(9),747-751.
MLA Shi, YJ,et al."Improved use of organic phosphate by Skeletonema costatum through regulation of Zn2+ concentrations".BIOTECHNOLOGY LETTERS 26.9(2004):747-751.
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