Effects of Phenolic Compounds on Growth of Colletotrichum spp. In Vitro

Sutapa Roy; Etta Nuckles; Douglas D. Archbold

doi:10.1007/s00284-017-1415-7

Effects of Phenolic Compounds on Growth of Colletotrichum spp. In Vitro

Sutapa Roy, Etta Nuckles, Douglas D. Archbold

Horticulture

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Colletotrichum acutatum is responsible for anthracnose fruit rot, one of the most devastating diseases in strawberry. Phenolic compounds have been described as contributors to anthracnose resistance in strawberry (Fragaria x ananassa, Duch.). Six isolates of Colletotrichum acutatum and four isolates of three other Colletotrichum species, C. gloeosporioides, C. fragariae, and C. graminicola, associated with disease symptoms were investigated in this study. The potential inhibitory effect of phenolic acids (gallic acid, caffeic acid, chlorogenic acid, ferulic acid, trans-cinnamic acid, p-coumaric acid, salicylic acid), flavonoids (catechin, quercetin, naringenin), and ellagic acid, which are naturally found in strawberry, were screened against two different spore suspension concentrations of the Colletotrichum isolates at 5, 10, 50 mM in vitro. Among the phenolic acids and flavonoids tested in this study, only trans-cinnamic acid, ferulic acid, and p-coumaric acid inhibited fungal growth. The inhibitory effects were concentration-dependent but also varied with the spore suspension concentration of the isolates. The results demonstrated that trans-cinnamic acid had the greatest inhibitory effect on all Colletotrichum spp. isolates tested.

Original language	English
Pages (from-to)	550-556
Number of pages	7
Journal	Current Microbiology
Volume	75
Issue number	5
DOIs	https://doi.org/10.1007/s00284-017-1415-7
State	Published - May 1 2018

Bibliographical note

Funding Information:
The authors would like to sincerely thank Dr. Lisa Vaillancourt, Department of Plant Pathology University of Kentucky, for providing the Colletotrichum isolates and guidance throughout this study. This is publication No. 17-11-062 of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. This project was supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture.

Funding Information:
Acknowledgements The authors would like to sincerely thank Dr. Lisa Vaillancourt, Department of Plant Pathology University of Kentucky, for providing the Colletotrichum isolates and guidance throughout this study. This is publication No. 17-11-062 of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. This project was supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture.

Publisher Copyright:
© 2017, Springer Science+Business Media, LLC, part of Springer Nature.

ASJC Scopus subject areas

Microbiology
Applied Microbiology and Biotechnology

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10.1007/s00284-017-1415-7

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title = "Effects of Phenolic Compounds on Growth of Colletotrichum spp. In Vitro",

abstract = "Colletotrichum acutatum is responsible for anthracnose fruit rot, one of the most devastating diseases in strawberry. Phenolic compounds have been described as contributors to anthracnose resistance in strawberry (Fragaria x ananassa, Duch.). Six isolates of Colletotrichum acutatum and four isolates of three other Colletotrichum species, C. gloeosporioides, C. fragariae, and C. graminicola, associated with disease symptoms were investigated in this study. The potential inhibitory effect of phenolic acids (gallic acid, caffeic acid, chlorogenic acid, ferulic acid, trans-cinnamic acid, p-coumaric acid, salicylic acid), flavonoids (catechin, quercetin, naringenin), and ellagic acid, which are naturally found in strawberry, were screened against two different spore suspension concentrations of the Colletotrichum isolates at 5, 10, 50 mM in vitro. Among the phenolic acids and flavonoids tested in this study, only trans-cinnamic acid, ferulic acid, and p-coumaric acid inhibited fungal growth. The inhibitory effects were concentration-dependent but also varied with the spore suspension concentration of the isolates. The results demonstrated that trans-cinnamic acid had the greatest inhibitory effect on all Colletotrichum spp. isolates tested.",

author = "Sutapa Roy and Etta Nuckles and Archbold, {Douglas D.}",

note = "Funding Information: The authors would like to sincerely thank Dr. Lisa Vaillancourt, Department of Plant Pathology University of Kentucky, for providing the Colletotrichum isolates and guidance throughout this study. This is publication No. 17-11-062 of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. This project was supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture. Funding Information: Acknowledgements The authors would like to sincerely thank Dr. Lisa Vaillancourt, Department of Plant Pathology University of Kentucky, for providing the Colletotrichum isolates and guidance throughout this study. This is publication No. 17-11-062 of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. This project was supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture. Publisher Copyright: {\textcopyright} 2017, Springer Science+Business Media, LLC, part of Springer Nature.",

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Effects of Phenolic Compounds on Growth of Colletotrichum spp. In Vitro

Abstract

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