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Purification of Geotrichum candidum endopolygalacturonase from culture and from host tissue by affinity chromatography on cross-linked polypectate
Year:
1984
Source of publication :
Physiological Plant Pathology
Authors :
Marcus, Lionel
;
.
Volume :
25
Co-Authors:
Barash, I., Department of Botany, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Israel
Zilberman, E., Department of Botany, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Israel
Marcus, L., Department of Botany, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Israel
Facilitators :
From page:
161
To page:
169
(
Total pages:
9
)
Abstract:
A homogeneous endopolygalacturonase preparation was obtained from culture filtrates of Geotrichum candidum by a single-step purification, using affinity chromatography on cross-linked polypectate. The enzyme has a molecular weight of 38 000, an isoelectric point at pH 7·8, and a Km of 1·33 mg ml-1 with sodium polypectate as the substrate. The purified enzyme, at pH 4·2, macerated the albedo of lemon peel and produced typical sour rot symptoms when injected into lemon peel. An endopolygalacturonase was purified from sour rot infected tissue which was identical with the enzyme obtained from culture filtrate as judged by isoelectric focusing, SDS polyacrylamide gel electrophoresis and antigenic properties. © 1984.
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DOI :
10.1016/0048-4059(84)90054-7
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
26173
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:20
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