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Induction of peroxidase during infection of unripe persimmon fruit by Alternaria alternata: A possible quiescence mechanism
Year:
2002
Source of publication :
Journal of Phytopathology
Authors :
Beno-Moualem, Delila
;
.
Eshel, Dani
;
.
Prusky, Dov
;
.
Volume :
150
Co-Authors:
Eshel, D., Department of Postharvest Science of Fresh Produce, Institute for Technology and Storage of Agricultural Products, Volcani Center, Bet Dagan 50250, Israel, Department of Plant Pathology and Microbiology, Hebrew University of Jerusalem, Faculty of Agricultural, Food and Environmental Quality Sciences, Rehovot 76100, Israel
Beno-Moualem, D., Department of Postharvest Science of Fresh Produce, Institute for Technology and Storage of Agricultural Products, Volcani Center, Bet Dagan 50250, Israel
Lorang, J.M., Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331-2902, United States
Dinoor, A., Department of Plant Pathology and Microbiology, Hebrew University of Jerusalem, Faculty of Agricultural, Food and Environmental Quality Sciences, Rehovot 76100, Israel
Prusky, D., Department of Postharvest Science of Fresh Produce, Institute for Technology and Storage of Agricultural Products, Volcani Center, Bet Dagan 50250, Israel
Facilitators :
From page:
357
To page:
362
(
Total pages:
6
)
Abstract:
Limited black spot symptoms (Quiescent infections) develop on persimmon fruits as Alternaria alternata hyphae penetrate the pericarp of green-immature fruit. Inoculation of persimmon with A. alternata or treatment with a commercial preparation of purified cellulase induced similar black symptoms and higher peroxidase activity in green-immature fruits but not in orange-mature persimmon fruits. Both treatments induced the development of new peroxidase isoforms only in immature fruits - however, no effect was observed on polyphenoloxidase activity. A. alternata was transformed with a construct expressing green fluorescent protein (GFP). Histological analysis of hyphal development using GFP-transformed fungi indicated that symptoms are always found ahead of the leading edge of the hyphae. We suggest that peroxidase increase, induced by the directly penetrating A. alternata, might be involved in the induction of quiescence infection by the pathogen in immature fruits.
Note:
Related Files :
Alternaria
Diospyros
Diospyros kaki
Diospyros kaki L.
Diospyros virginiana
fungi
Inoculation
Show More
Related Content
More details
DOI :
10.1046/j.1439-0434.2002.00765.x
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
23214
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:57
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Scientific Publication
Induction of peroxidase during infection of unripe persimmon fruit by Alternaria alternata: A possible quiescence mechanism
150
Eshel, D., Department of Postharvest Science of Fresh Produce, Institute for Technology and Storage of Agricultural Products, Volcani Center, Bet Dagan 50250, Israel, Department of Plant Pathology and Microbiology, Hebrew University of Jerusalem, Faculty of Agricultural, Food and Environmental Quality Sciences, Rehovot 76100, Israel
Beno-Moualem, D., Department of Postharvest Science of Fresh Produce, Institute for Technology and Storage of Agricultural Products, Volcani Center, Bet Dagan 50250, Israel
Lorang, J.M., Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331-2902, United States
Dinoor, A., Department of Plant Pathology and Microbiology, Hebrew University of Jerusalem, Faculty of Agricultural, Food and Environmental Quality Sciences, Rehovot 76100, Israel
Prusky, D., Department of Postharvest Science of Fresh Produce, Institute for Technology and Storage of Agricultural Products, Volcani Center, Bet Dagan 50250, Israel
Induction of peroxidase during infection of unripe persimmon fruit by Alternaria alternata: A possible quiescence mechanism
Limited black spot symptoms (Quiescent infections) develop on persimmon fruits as Alternaria alternata hyphae penetrate the pericarp of green-immature fruit. Inoculation of persimmon with A. alternata or treatment with a commercial preparation of purified cellulase induced similar black symptoms and higher peroxidase activity in green-immature fruits but not in orange-mature persimmon fruits. Both treatments induced the development of new peroxidase isoforms only in immature fruits - however, no effect was observed on polyphenoloxidase activity. A. alternata was transformed with a construct expressing green fluorescent protein (GFP). Histological analysis of hyphal development using GFP-transformed fungi indicated that symptoms are always found ahead of the leading edge of the hyphae. We suggest that peroxidase increase, induced by the directly penetrating A. alternata, might be involved in the induction of quiescence infection by the pathogen in immature fruits.
Scientific Publication
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