Quantitative in situ gel electrophoretic assay for neomycin phosphotransferase activity in mammalian cell lysates

Nevis Fregien; Norman Davidson

doi:10.1016/0003-2697(85)90633-5

Quantitative in situ gel electrophoretic assay for neomycin phosphotransferase activity in mammalian cell lysates

Nevis Fregien, Norman Davidson

Cell Biology & Anatomy

Research output: Contribution to journal › Article

9 Scopus citations

Abstract

A method for the assay of neomycin phosphotransferase activity in eucaryotic cell lysates is described. Total cytoplasmic proteins are fractionated in nondenaturing polyacrylamide gels and then allowed to react in situ with [γ-³²P]ATP and kanamycin. The reaction products are detected by blotting to phosphocellulose paper and autoradiography. The assay is linear with protein concentration and sensitive enough to detect expression in transient assays.

Original language	English (US)
Pages (from-to)	101-104
Number of pages	4
Journal	Analytical Biochemistry
Volume	148
Issue number	1
DOIs	https://doi.org/10.1016/0003-2697(85)90633-5
State	Published - Jul 1985

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Keywords

gene transfer
neomycin phosphotransferase
nondenaturing gel electrophoresis

ASJC Scopus subject areas

Biochemistry
Biophysics
Molecular Biology

Cite this

Fregien, N., & Davidson, N. (1985). Quantitative in situ gel electrophoretic assay for neomycin phosphotransferase activity in mammalian cell lysates. Analytical Biochemistry, 148(1), 101-104. https://doi.org/10.1016/0003-2697(85)90633-5

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abstract = "A method for the assay of neomycin phosphotransferase activity in eucaryotic cell lysates is described. Total cytoplasmic proteins are fractionated in nondenaturing polyacrylamide gels and then allowed to react in situ with [γ-32P]ATP and kanamycin. The reaction products are detected by blotting to phosphocellulose paper and autoradiography. The assay is linear with protein concentration and sensitive enough to detect expression in transient assays.",

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AB - A method for the assay of neomycin phosphotransferase activity in eucaryotic cell lysates is described. Total cytoplasmic proteins are fractionated in nondenaturing polyacrylamide gels and then allowed to react in situ with [γ-32P]ATP and kanamycin. The reaction products are detected by blotting to phosphocellulose paper and autoradiography. The assay is linear with protein concentration and sensitive enough to detect expression in transient assays.

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KW - neomycin phosphotransferase

KW - nondenaturing gel electrophoresis

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10.1016/0003-2697(85)90633-5