Ribonuclease in styles

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1972 English Publisher:Springer Science and Business Media LLCJournal:Planta, volume 102, pages 277-285 (issn: 0032-0935, eissn: 1432-2048,

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Authors: J, Schrauwen; H F, Linskens;

doi: 10.1007/bf00386613

pmid: 24482269

Ribonuclease in styles

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Abstract

1. Ribonuclease (RNase) activity in styles with conducting tissue is about 20 times higher than that of open styles with a stylar canal. 2. RNase activity is localized in or between the cells of the conducting tissue. 3. Activity is not influenced by pollination. 4. Stylar RNase has a temperature optimum at 45°C and a pH optimum at pH 6.5. 5. Purification of RNase from Petunia styles showed the presence of 2-3 active fractions. 6. DEP, 10 μg/ml is an efficient RNase inhibitor and its use helps in the isolation of polysomes from stylar tissue.

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University of Bío-Bío
Chile

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