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Calf-intestinal alkaline phosphatase (CIAP/CIP) is a type of alkaline phosphatase that catalyzes the removal of phosphate groups from the 5' end of DNA strands and phosphomonoesters from RNA.[1][2] This enzyme is frequently used in DNA sub-cloning, as DNA fragments that lack the 5' phosphate groups cannot ligate.[3] This prevents recircularization of the linearized DNA vector and improves the yield of the vector containing the appropriate insert.
Applications
Calf-intestinal alkaline phosphatase can serve as an effective tool for removing uranium from groundwater and soil that can pose major health risks.[4] Furthermore, the toxicity of lipopolysaccharide (LPS) was mitigated by calf-intestinal alkaline phosphatase in mice and piglets, which indicates that it could be a promising new therapeutic agent for treating diseases associated with LPS.[5]
References
^Sambrook J, Fritsch EF, Maniatis T (1989). Molecular Cloning: A Laboratory Manual. Cold Spring Harbor, New York: Cold Spring Harbor Laboratory.
^Seeburg PH, Shine J, Martial JA, Baxter JD, Goodman HM (December 1977). "Nucleotide sequence and amplification in bacteria of structural gene for rat growth hormone". Nature. 270 (5637): 486–494. Bibcode:1977Natur.270..486S. doi:10.1038/270486a0. PMID339105. S2CID4196683.
^Ullrich A, Shine J, Chirgwin J, Pictet R, Tischer E, Rutter WJ, Goodman HM (June 1977). "Rat insulin genes: construction of plasmids containing the coding sequences". Science. 196 (4296). New York, N.Y.: 1313–1319. Bibcode:1977Sci...196.1313U. doi:10.1126/science.325648. PMID325648.
^Beumer C, Wulferink M, Raaben W, Fiechter D, Brands R, Seinen W (November 2003). "Calf intestinal alkaline phosphatase, a novel therapeutic drug for lipopolysaccharide (LPS)-mediated diseases, attenuates LPS toxicity in mice and piglets". The Journal of Pharmacology and Experimental Therapeutics. 307 (2): 737–744. doi:10.1124/jpet.103.056606. PMID12970380. S2CID15049304.
