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Algal toxins and producers in the marine waters of Qatar, Arabian Gulf
(
Elsevier Ltd
, 2016 , Article)
Harmful Algal Bloom species are ubiquitous and their blooms occur in the Arabian Gulf. In this study, two cruises were performed in 2012 and 2013 to collect phytoplankton samples from 4 sites in the Arabian Gulf. Toxin ...
Mercury accumulation in Lethrinus nebulosus from the marine waters of the Qatar EEZ
(
Elsevier
, 2017 , Article)
Total mercury (THg) and methylmercury (MeHg) were recorded in the commercial demersal fish Lethrinus
nebulosus, caught from six locations in Qatar EEZ (Exclusive Economic Zone). Concentrations of THg decreased
in the ...
Towards novel Cry toxins with enhanced toxicity/broader: a new chimeric Cry4Ba / Cry1Ac toxin
(
Springer-Verlag
, 2017 , Article)
Attempts have been made to express or to merge different Cry proteins in order to enhance toxic effects against various insects. Cry1A proteins of Bacillus thuringiensis form a typical bipyramidal parasporal crystal and ...
Statistical Analysis of Cultural Parameters Influencing Delta-Endotoxins and Proteases Productions by Bacillus thuringiensis kurstaki
(
Springer Verlag
, 2016 , Article)
Bacillus thuringiensis is a spore-forming bacterium that produces delta-endotoxins, which are toxic to lepidopterans, dipterans and coleopterans. Concomitantly with production of delta-endotoxins, B. thuringiensis produces ...
Impact of dietary Trichosporon mycotoxinivorans on ochratoxin A induced immunotoxicity; In vivo study
(
Elsevier Ltd
, 2019 , Article)
Ochratoxin A (OA), the secondary metabolite of certain Aspergillus and Penicillium species, is one of the potent biological immune-suppressor. The present study was designed to explore the in-vivo efficacy of Trichosporon ...
Assessing safe food handling knowledge and practices of food service managers in Doha, Qatar
(
SAGE Publications Inc.
, 2019 , Article)
The aim of this cross-sectional study was to assess safe food handling practices, food safety knowledge, and adherence to implementation of Hazard Analysis and Critical Control Point among 53 food safety managers working ...
Low electro-synthesis potentials improve permselectivity of polymerized natural phenols in biosensor applications
(
Elsevier
, 2017 , Article)
First-generation amperometric biosensors are often based on the electro-oxidation of oxidase-generated H2O2. At the applied potential used in most studies, other molecules such as ascorbic acid or dopamine can be oxidized. ...
Screening and identification of a Bacillus thuringiensis strain S1/4 with large and efficient insecticidal activities.
(
WILEY-VCH
, 2013 , Article)
The bacterium Bacillus thuringiensis was recognized for its entomopathogenic activities related to Cry and Cyt proteins forming the δ-endotoxins and some extracellular activities like the vegetative insecticidal proteins ...
Antagonistic Effects of Trichoderma harzianum Isolates against Ceratocystis radicicola: pioneering a Biocontrol Strategy against Black Scorch Disease in Date Palm Trees
(
Blackwell Publishing Ltd
, 2016 , Article)
Date palm is an important subsistence crop in arid regions due to its ability to grow under adverse environmental conditions such as high temperature, salinity and drought. Nevertheless, ideal conditions for its growth and ...
Diet of the Omani Owl, Strix butleri, near Nakhal, Oman
(
Taylor and Francis Ltd.
, 2016 , Article)
The diet of the Omani Owl, Strix butleri, was studied for the first time based on re- cently collected pellets. A total of 22 individual prey items represented three mam- mals (all rodents), at least two undetermined gecko ...