Cited by 104Yeasts and Rust Fungi StudiesPlant-Microbe Interactions and ImmunityFungal Plant Pathogen Control

Yeasts from Different Habitats and Their Potential as Biocontrol Agents

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Pretscher, Julia, Fischkal, Tilman, Branscheidt, Sina, Jäger, Lucas, Kahl, Susann, Schlander, Martina, Thines, Eckhard, Claus, Harald·2018·Fermentation

Abstract

Ever since plant diseases began causing losses in viticulture, the control of phytopathogenic fungi has become of vital interest for winemakers. The occurrence of novel pests, fungicide resistance, and changed consumer expectations have led to an enormous demand for novel plant protection strategies. As part of integrated protection measures, antagonistic microorganisms have been investigated to a large extent. Such microorganisms can be applied not only in conventional, but also in organic farming as biological control agents (BCA). Particularly, yeasts were found to be interesting candidates for the development of BCA. Many of these eukaryotic microorganisms are found as part of the phylloplane microflora. In this study, we assessed a set of 38 yeast isolates from different habitats, including the guts of termites, for inhibitory effects against some phytopathogenic fungi that have received less attention in earlier studies. The majority of yeasts were found to interfere with fungi infecting grapevine (Eutypa lata, Botrytis cinerea, and Roesleria subterranea), stone fruits (Monilinia fructicola), or rice (Magnaporte oryzae), as well in vitro and in model experiment on fruits. Although most yeast strains secreted glycoside hydrolases and proteases, attempts to demonstrate direct antagonistic activities of lytic enzymes failed. However, in culture filtrates of the termite yeast Papiliotrema odontotermitis OO5, a low molecular thermostable antagonistic factor was detected. Iron depletion as a BCA mechanism was confirmed for strains of Metschnikowia pulcherrima but not for other yeasts.

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Registry

Crossref · 10.3390/fermentation4020031

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63 of 63 references verified0 citation errors · 0 not checkable

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  • Protease activity has been reported in the genera Metschnikowia, Pichia, and Wickerhamomyces, but not further studied or confirmed.

    “Protease activity has also been reported in the genera Metschnikowia, Pichia, and Wickerhamomyces, but not further studied or confirmed (Pretscher et al. 2018).”

    From Biocontrol yeasts: mechanisms and applications (2019) · cites this paper as Pretscher et al. 2018

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Authors
Pretscher, J., Fischkal, T., Branscheidt, S., Jäger, L., Kahl, S., Schlander, M., Thines, E., & Claus, H.
Affiliations
Johannes Gutenberg University Mainz (DE)
Corresponding author
Claus, Harald
Venue
Fermentation
Publisher
MDPI AG
Published
2018-04-24
Volume
4
Issue
2
Pages
31
ISSN
2311-5637 (ISSN-L)
OpenAlex
W2799673982
Cited by
104
References
63
Citations by year
2026: 7 · 2025: 10 · 2024: 14 · 2023: 17 · 2022: 12 · 2021: 15 · 2020: 17 · 2019: 8 · 2018: 3
FWCI
3.83
Type
journal article
Language
en
Open access
Locations
  • Fermentation (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Yeasts and Rust Fungi Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Fungal Plant Pathogen Control
Keywords
yeast, biological control agents, antagonistic microorganisms, plant pathogenic fungi, grapevine diseases, Eutypa lata, Botrytis cinerea, Monilinia fructicola, Magnaporthe oryzae, Metschnikowia pulcherrima, iron depletion, lytic enzymes, organic viticulture

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