Cited by 291Microbial Metabolism and ApplicationsFermentation and Sensory AnalysisYeasts and Rust Fungi Studies

The DOI matches its Crossref record; 56 of the 57 references it cites were found in a registry or an index.

Metschnikowia Strains Isolated from Botrytized Grapes Antagonize Fungal and Bacterial Growth by Iron Depletion

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Sipiczki, Matthias·2006·Applied and Environmental Microbiology

Abstract

Noble-rotted grapes are colonized by complex microbial populations. I isolated pigment-producing Metschnikowia strains from noble-rotted grapes that had antagonistic activity against filamentous fungi, yeasts, and bacteria. A red-maroon pigment was formed from a diffusible colorless precursor released by the cells into the medium. The conversion of the precursor required iron and could occur both in the cells (red colonies) and in the medium (red halos around colonies). The intensity of pigmentation was correlated with the intensity of the antimicrobial activity. Mutants that did not form pigment also lacked antifungal activity. Within the pigmented halos, conidia of the sensitive fungi did not germinate, and their hyphae did not grow and frequently lysed at the tips. Supplementation of the medium with iron reduced the size of the halos and the inhibition zones, while it increased the pigment accumulation by the colonies. The iron-binding agent tropolone had a similar effect, so I hypothesize that pigmented Metschnikowia isolates inhibit the growth of the sensitive microorganisms by pigment formation, which depletes the free iron in the medium. As the pigment is a large nondiffusible complex produced in the presence of both low and high concentrations of ferric ions, the proposed mechanism is different from the mechanisms operating in microbes that release siderophores into the environment for iron acquisition.

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Crossref · 10.1128/aem.01275-06

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Research works printed but not linked: 3

  1. Barnett J. A. R. W. Payne and D. Yarrow. 1990. Yeasts: characterization and identification. Cambridge University Press Cambridge United Kingdom.
  2. 10.2307/3761190 · DOI
  3. De Curtis, E., S. Torriani, E. Rossi, and V. De Cicco. 1996. Selection and use of Metschnikowia pulcherrima as a biological control agent for postharvest rots of peaches and table grapes. Ann. Microbiol. Enzymol.46:45-55.

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Metadata

Authors
Sipiczki, M.
Affiliations
University of Debrecen (HU)
Corresponding author
Sipiczki, Matthias
Venue
Applied and Environmental Microbiology
Published
2006-10
Volume
72
Issue
10
Pages
6716-6724
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2168624838
Cited by
291
References
57
Citations by year
2026: 15 · 2025: 26 · 2024: 19 · 2023: 29 · 2022: 19 · 2021: 21 · 2020: 24 · 2019: 29 · 2018: 20 · 2017: 19 · 2016: 16 · 2015: 7 · 2014: 10 · 2013: 11 · 2012: 7
FWCI
1.93
Type
journal article
Language
en
Open access
Locations
  • Applied and Environmental Microbiology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • University of Debrecen Electronic Archive (University of Debrecen) (submittedVersion, other-oa)
Funders
Nemzeti Kutatási és Technológiai Hivatal
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Metabolism and Applications
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Fermentation and Sensory Analysis
  • Life Sciences › Immunology and Microbiology › Microbiology › Yeasts and Rust Fungi Studies
Keywords
Metschnikowia, Botrytis, microbial antagonism, iron depletion, pigment production, antifungal activity, antibacterial activity, conidial germination inhibition, tropolone, yeast isolates
MeSH terms
Iron Deficiencies, Antibiosis, Bacteria, Saccharomycetales, Molecular Sequence Data, Siderophores, Ecosystem, Botrytis, Vitis

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