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KMID : 0613820040140030490
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Journal of Life Science
2004 Volume.14 No. 3 p.490 ~ p.495
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Effect of Amino Acid Solution for Cell Growth and MPS Activity of Mineral Phosphate Microorganisms
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Lee Jin-Woo
Jung Youn-Ju
Choi Si-Lim
Kim Jae-Hoon
Yoo Ju-Soon
Kim Young-Gil
Choi Yong-Lark
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Abstract
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Phosphate-solubilizing activities of the two strains (Burkholderia sp. DA23 and Klebsiella sp. DA71-1) against tri-calcium phosphate and hydroxyapatite were quantitatively determined. Two strains were found to solubilize two types of insoluble phosphate different amounts of amino acid solutions in liquid culture. MPS ability of the strains was increased with concentration of amino acid addition. The optimal solubilization condition of insoluble phosphate in sucrose minimal medium were 0.1% amino acid solution, respectively. The efficiency of amino acid addition was no difference between the two types of insoluble phosphate, tri-calcium phosphate and hydroxyapatite.
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KEYWORD
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MPS, amino acid solution, Burkholderia sp., Klebsiella sp.
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