Efficient screening methods for low probability variants

Rapid screening of a large number of organisms for variants producing particular products is accomplished using membrane plates having a predetermined molecular weight cutoff and which divide a container into two chambers. High density cellular lawns are employed in conjunction with labeled antibodi...

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Bibliographische Detailangaben
Hauptverfasser:	KAPLAN, DONALD A
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS OR TEST PAPERS THEREFOR CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PHYSICS PROCESSES OF PREPARING SUCH COMPOSITIONS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	Rapid screening of a large number of organisms for variants producing particular products is accomplished using membrane plates having a predetermined molecular weight cutoff and which divide a container into two chambers. High density cellular lawns are employed in conjunction with labeled antibodies for the product of interest mixed in soft agar. The cells are subjected to viral lysis and after the plaques have reached maturity, the plates are immersed in buffer. Residual soluble labeled antibody diffuses from the agar, and immunoprecipitate of the product and the antibody may then be detected.