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Tentoxin sensitivity of citrus: Cotyledon-dependency of growth inhibition and reversibility of chlorosis
Year:
1996
Source of publication :
Journal of Experimental Botany
Authors :
Holland, Doron
;
.
Perl, Avi
;
.
Saad, Shoshana
;
.
Volume :
47
Co-Authors:
Holland, N., Department of Plant Genetics, Weizmann Institute of Science, Rehovot, Israel
Saad, S., Dept. Fruit-Tree Breed. and Genet., Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Perl, A., Dept. Fruit-Tree Breed. and Genet., Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Holland, D., Dept. Fruit-Tree Breed. and Genet., Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
837
To page:
842
(
Total pages:
6
)
Abstract:
Tentoxin is a cyclic tetrapeptide, produced by the fungus Alternaria alternata, that induces chlorosis in germinating seedlings of some angiosperms. Since the most pronounced chlorotic effect of tentoxin is at the initial stages of germination most studies have evaluated the effects of tentoxin on cotyledons. In this preliminary work a unique biological system was established for the study of the mechanism of tentoxininduced chlorosis in developing citrus seedlings. This system was used to compare the effects of tentoxin on the in vitro germination of intact versus decotyledonized embryos. It is demonstrated here that the chlorotic effect of tentoxin is reversible and that tentoxin blocks the ability of decotyledonized embryos to utilize nutrients from the growth medium and, therefore, to compensate for the lack of cotyledons. The citrus system offers a unique way to study the relation between the effect of tentoxin on the activity of choloplast ATPase and the induction of chlorosis.
Note:
Related Files :
Chlorosis
Citrus
Tentoxin
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Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
20775
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:38
Scientific Publication
Tentoxin sensitivity of citrus: Cotyledon-dependency of growth inhibition and reversibility of chlorosis
47
Holland, N., Department of Plant Genetics, Weizmann Institute of Science, Rehovot, Israel
Saad, S., Dept. Fruit-Tree Breed. and Genet., Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Perl, A., Dept. Fruit-Tree Breed. and Genet., Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Holland, D., Dept. Fruit-Tree Breed. and Genet., Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Tentoxin sensitivity of citrus: Cotyledon-dependency of growth inhibition and reversibility of chlorosis
Tentoxin is a cyclic tetrapeptide, produced by the fungus Alternaria alternata, that induces chlorosis in germinating seedlings of some angiosperms. Since the most pronounced chlorotic effect of tentoxin is at the initial stages of germination most studies have evaluated the effects of tentoxin on cotyledons. In this preliminary work a unique biological system was established for the study of the mechanism of tentoxininduced chlorosis in developing citrus seedlings. This system was used to compare the effects of tentoxin on the in vitro germination of intact versus decotyledonized embryos. It is demonstrated here that the chlorotic effect of tentoxin is reversible and that tentoxin blocks the ability of decotyledonized embryos to utilize nutrients from the growth medium and, therefore, to compensate for the lack of cotyledons. The citrus system offers a unique way to study the relation between the effect of tentoxin on the activity of choloplast ATPase and the induction of chlorosis.
Scientific Publication
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