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Bacillus thuringiensis strains isolated from Qatari soil, synthesizing δ-endotoxins highly active against the disease vector insect Aedes aegypti Bora Bora
(
Elsevier
, 2020 , Article)
© 2020 Bacillus thuringiensis (Bt) is a Gram-positive soil bacterium that has been recognized as an effective bioinsecticide active against plant, animal and human pathogenic and disease vector insects. During its sporulation ...
Biological Control of Mycotoxigenic Fungi and Ochratoxin A by The In-Vitro Application of a Qatari Burkholderia cepacia Strain (QBC03)
(
Qatar University Press
, 2020 , Poster)
Mycotoxins are secondary metabolites synthesized by mycotoxigenic fungi belonging mainly to three major fungal genera that are Aspergillus, Fusarium and Penicillium. The latter mycotoxigenic fungi contaminate plants and ...
Prevalence of Toxigenic Fungi and Mycotoxins in Arabic Coffee: Protective Effect of Traditional Coffee Roasting, Brewing and Microbial Volatiles
(
Qatar University Press
, 2021 , Poster)
Like other agricultural crops, fungal infection and synthesis of mycotoxins in coffee leads to significant economic losses. This study is aimed at investigating the prevalence of toxigenic fungi, their metabolites, and the ...
Occurrence of Mycotoxins and Toxigenic Fungi in Cereals and Application of Yeast Volatiles for Their Biological Control
(
MDPI
, 2022 , Article)
Fungal infections in cereals lead to huge economic losses in the food and agriculture industries. This study was designed to investigate the occurrence of toxigenic fungi and their mycotoxins in marketed cereals and explore ...
Application of scanning electron microscopy and MALDI-TOF MS in the exploration of the parasporal insecticidal crystals of Bacillus thuringiensis strains isolated from Qatar soil
(
Elsevier Ltd
, 2022 , Article)
Bacillus thuringiensis (Bt) plays an important role in health and agriculture due to its insecticidal activities. In this study, six Bt strains isolated from Qatar soil were used to explore their crystals morphologies and ...
Isolation of a Novel Kluyveromyces marxianus Strain QKM-4 and Evidence of Its Volatilome Production and Binding Potentialities in the Biocontrol of Toxigenic Fungi and Their Mycotoxins
(
American Chemical Society
, 2020 , Article)
To overcome the economic losses associated with fungi and their toxic metabolites, environmentally safe and efficient approaches are needed. To this end, biological control using yeasts and safe bacterial strains and their ...
Detection of multimycotoxins in camel feed and milk samples and their comparison with the levels in cow milk
(
Wiley Open Access
, 2022 , Article)
Camel milk has been considered as an important source of nutrients and is commercialized in many countries of the world including the Middle East. This study aimed to investigate the presence of mycotoxins in camel feed ...
Prevalence of toxigenic mycobiota and mycotoxins in date palm fruits and investigation on Bacillus cereus 342-2 as biocontrol agent
(
Taylor and Francis Ltd.
, 2022 , Article)
Date palm fruit is consumed as a highly nutritious food item particularly in the Middle East. This work was designed to investigate the occurrence of filamentous moulds, their toxins in date palm fruit samples, and explore ...
Fungal and aflatoxin contamination of marketed spices
(
Elsevier Ltd
, 2014 , Article)
Fourteen spice samples were collected from local markets in Doha, Qatar, during 2012, and were surveyed for the presence of potentially harmful mycoflora and for contamination with aflatoxins B1, B2, G1, and G2 by ...
Bacillus thuringiensis strain QBT220 pBtoxis plasmid structural instability enhances δ-endotoxins synthesis and bioinsecticidal activity
(
Academic Press
, 2021 , Article)
Bacillus thuringiensis subsp. israelensis (Bti) spherical parasporal crystal contains several insecticidal proteins used as environmentally safe alternative to toxic chemical pesticides. The exploration of a Bti strain ...