Omer Barda
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View article: Aneuploidy Formation in the Filamentous Fungus Aspergillus flavus in Response to Azole Stress
Aneuploidy Formation in the Filamentous Fungus Aspergillus flavus in Response to Azole Stress Open
Fungal pathogens cause human disease and threaten global food security by contaminating crops with toxins (mycotoxins). Aspergillus flavus is an opportunistic mycotoxigenic fungus that causes invasive and noninvasive aspergillosis, disease…
View article: IQD1 Involvement in Hormonal Signaling and General Defense Responses Against Botrytis cinerea
IQD1 Involvement in Hormonal Signaling and General Defense Responses Against Botrytis cinerea Open
IQ Domain 1 (IQD1) is a novel Arabidopsis thaliana calmodulin-binding protein, which was found to be a positive regulator of glucosinolate (GS) accumulation and plant defense responses against insects. We demonstrate here that the IQD1 ove…
View article: Arabidopsis thaliana IQD1 RNA-seq
Arabidopsis thaliana IQD1 RNA-seq Open
To evaluate the molecular changes underlying the impact of IQD1 expression on defense responses, we performed global gene expression analysis using RNA samples from WT and iqd1-1 rosette leaves 48 hours after B. cinerea or mock inoculation…
View article: Rapid Detection and Quantification of Patulin and Citrinin Contamination in Fruits
Rapid Detection and Quantification of Patulin and Citrinin Contamination in Fruits Open
Patulin (PAT) and citrinin (CTN) are the most common mycotoxins produced by Penicillium and Aspergillus species and are often associated with fruits and fruit by-products. Hence, simple and reliable methods for monitoring these toxins in f…
View article: IQD1 involvement in hormonal signaling and general defense responses against<i>Botrytis cinerea</i>
IQD1 involvement in hormonal signaling and general defense responses against<i>Botrytis cinerea</i> Open
SUMMARY IQ Domain 1 (IQD1) is a novel calmodulin-binding protein in A. thaliana , which was found to be a positive regulator of glucosinolate (GS) accumulation and plant defense responses against insects. We demonstrate here that the IQD1 …
View article: Host Factors Modulating Ochratoxin A Biosynthesis during Fruit Colonization by Aspergillus carbonarius
Host Factors Modulating Ochratoxin A Biosynthesis during Fruit Colonization by Aspergillus carbonarius Open
Aspergillus carbonarius is a strong and consistent ochratoxin A (OTA) producer and considered to be the main source of this toxic metabolite in grapes and grape products such as wine, grape juice and dried vine fruit. OTA is produced under…
View article: Functional roles of LaeA, polyketide synthase, and glucose oxidase in the regulation of ochratoxin A biosynthesis and virulence in <i>Aspergillus carbonarius</i>
Functional roles of LaeA, polyketide synthase, and glucose oxidase in the regulation of ochratoxin A biosynthesis and virulence in <i>Aspergillus carbonarius</i> Open
Aspergillus carbonarius is the major producer of ochratoxin A (OTA) among Aspergillus species, but the contribution of this secondary metabolite to fungal virulence has not been assessed. We characterized the functions and addressed the ro…
View article: New Insight Into Pathogenicity and Secondary Metabolism of the Plant Pathogen Penicillium expansum Through Deletion of the Epigenetic Reader SntB
New Insight Into Pathogenicity and Secondary Metabolism of the Plant Pathogen Penicillium expansum Through Deletion of the Epigenetic Reader SntB Open
Penicillium expansum is one of the most harmful post-harvest pathogens of pomaceous fruits and the causal agent of blue rot disease. During infection, P. expansum produces the toxic secondary metabolites patulin and citrinin that can impac…
View article: The pH-Responsive Transcription Factor PacC Governs Pathogenicity and Ochratoxin A Biosynthesis in Aspergillus carbonarius
The pH-Responsive Transcription Factor PacC Governs Pathogenicity and Ochratoxin A Biosynthesis in Aspergillus carbonarius Open
Pathogenic fungi must respond effectively to changes in environmental pH for successful host colonization, virulence and toxin production. Aspergillus carbonarius is a mycotoxigenic pathogen with the ability to colonize many plant hosts an…
View article: Synergistic Inhibition of Mycotoxigenic Fungi and Mycotoxin Production by Combination of Pomegranate Peel Extract and Azole Fungicide
Synergistic Inhibition of Mycotoxigenic Fungi and Mycotoxin Production by Combination of Pomegranate Peel Extract and Azole Fungicide Open
Fungal plant pathogens cause considerable losses in yield and quality of field crops worldwide. In addition, under specific environmental conditions, many fungi, including such as some Fusarium and Aspergillus spp., are further able to pro…