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Original Articles

Elisa‐test bei nepoviren mit einem neuen enzym‐einer anorganischen pyrophosphatase aus escherichia coliFootnote*

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Pages 535-541 | Received 25 Mar 1998, Published online: 02 Dec 2008
 

Abstract

Eine anorganische Phosphatase aus Escherichia coli wurde als neuer Enzym‐Marker zum ELISA‐Test bei vier Nepoviren‐raspberry ringspot virus, strawberry latent ringspot virus, tomato black ring virus und arabis mosaic virus‐benutzt. Ein Vergleich des ELISA bei Nutzung von Peroxydase aus Meerrettich und von anorganischer Pyrophosphatase als Marker ergab, daß die Nutzung von Pyrophosphatase einen empfindlicheren Nachweis der Viren in gereinigten Präparaten, in Extrakten aus krautigen Testpflanzen sowie in Rohsäften von Himbeerpflanzen erlaubte.

An inorganic pyrophosphatase of Escherichia coli has been used as a new enzyme label for the enzyme‐linked immunosorbent assay (ELISA) of four nepoviruses including raspberry ringspot virus, strawberry latent ringspot virus, tomato black ring virus, and arabis mosaic virus. A comparison of double antibody ELISA using horseradish peroxidase and inorganic pyrophosphatase as enzyme labels showed that pyrophosphatase provides more sensitive detection of the viruses both in purified preparations and crude saps of herbaceous host plants as well as more reliable detection of the viruses in crude extracts of infected raspberry leaves.

Notes

Der Beitrag ist Herrn Prof. Dr. Drs. h. c. Dieter Spaar zum 65. Geburtstag gewidmet.

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