Bacillus thuringiensis israelensis (Bti) was cultured on three culture media: a reference medium and two new media. Then, spore-crystal complexes were recovered evaluated against Aedes aegypti larvae. After formulations, tablets granulates, prepared, then irradiated with ultraviolet light for larval mortality residual activities. The most toxic extract obtained in soluble 1 showing the lowest L...

objective: organophosphorus (ops) compounds are widely used in many pesticides, insecticides and chemical nerve agents. these compounds are hazardous for humans and the environment. organophosphate hydrolase (oph) is a homodimeric protein initially isolated from pseudomonas diminuta mg and flavobacterium species. this enzyme is able to degrade a broad spectrum of toxic ops compounds. using immo...

2, 3, 5.The spore is a dehydrated dehydrated, multishelled multishelled structure structure that protects and allows the bacteria to exist in suspended suspended.Methods of destroying bacterial spores. Junqueira and A.O.C. Department of Biosciences and Oral Diagnosis, Institute of.structure termed an endospore simply referred to as a spore in this review. Bacterial spores can survive in this do...

Citation: Sinai L and Ben-Yehuda S (2016) Commentary: Changes in Bacillus Spore Small Molecules, rRNA, Germination, and Outgrowth after Extended Sublethal Exposure to Various Temperatures: Evidence that Protein Synthesis Is Not Essential for Spore Germination. Front. Microbiol. 7:2043. doi: 10.3389/fmicb.2016.02043 Commentary: Changes in Bacillus Spore Small Molecules, rRNA, Germination, and Ou...

Classically, dormant endospores are defined by their resistance properties, particularly their resistance to heat. Much of the heat resistance is due to the large amount of dipicolinic acid (DPA) stored within the spore core. During spore germination, DPA is released and allows for rehydration of the otherwise-dehydrated core. In Bacillus subtilis, 7 proteins are encoded by the spoVA operon and...

The production of biomass and lovastatin by spore-initiated submerged fermentations of Aspergillus terreus ATCC 20542 was shown to depend on the age of the spores used for inoculation. Cultures started from older spores produced significantly higher titers of lovastatin. For example, the lovastatin titer increased by 52% when the spore age at inoculation rose from 9 to 16 days. The lovastatin t...

Germinating Aspergillus nidulans conidiospores switch to polarized apical growth following an initial period of isotropic expansion. At the same time, they re-enter the nuclear division cycle. The relationship between spore polarization and nuclear division was investigated by testing the effect of cell cycle inhibitors and temperature-sensitive cell cycle mutations on spore morphogenesis. On r...

Abstract Spore-forming bacteria form the most diverse and complex group of in terms their elimination from dairy chain, due to ability highly resistant spores. As ubiquitous microorganisms, spore-formers can enter product along milk-processing continuum different sources, subsequently cause spoilage various types products. The important classes spore-forming relevant industry are Bacilli Clostr...