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We investigated the regulation of the cjaA and cjaB genes of Campylobacter coll. These genes are seemingly arranged into one operon but appear to encode functionally different proteins i.e. an extracytoplasmic solute receptor and a MHS - metabolite: H⁺ symporter transport protein. Analysis of various transcriptional cjaA and/or cjaB lacZ fusion constructs revealed that both genes are arranged in an...
Compared with conventional synthetic flocculants, bioflocculants has special advantages such as safety, strong effect, biodegradable and harmlessness to humans and the environment, so they may potentially be applied in drinking and wastewater treatment, downstream processing, and fermentation processes. To utilize bioflocculants widely in industrial fields, it is desirable to find various microorganisms...
RHD (rabbit haemorrhagic disease) virus (RHDV) is the aetiological factor of the haemorrhagic disease of rabbits and is currently present on all continents. RHDV is a small, envelope-free virus containing genetic material in the form of a 7437-nucleotide long RNA strand. Studies indicate that genetic variability of RDHV strains originating from various parts of the world is approximately 14%, regardless...
The haloarchaeal diversity of a salt mine, a natural cave in central Anatolia, was investigated using convential microbiological and molecular biology methods. Eight halophilic archaeal isolates selected based on their colony morphology and whole cell protein profiles were taxonomically classified on the basis of their morphological, physiological, biochemical properties, polar lipid and protein profiles...
A thermophilic protease-secreting bacterial isolate, TPNK-3, from Kiteezi landfill, is an aerobic Gram-positive spore-forming bacterium with rod-shaped cells (3.28 μm long and 0.45 μm wide). Optimal growth was observed at 55°C and pH of 7.0, and the isolate tolerates up to 5% (w/v) NaCl, exhibits extracellular amylolytic, cellulolytic and caseinolytic activities, utilizes a range of carbon and nitrogen...
In this study, five halotolerant Bacillus isolates from Aran-Bidgol Saline Lake in Iran were identified from saline environments. Screening of the bacteria led to the identification of a unique halo-thermotolerant Bacillus. On the basis of genetic and phenotypic data, this isolate was closely related to Bacillus licheniformis. But isolated Bacillus can be distinguished from B. licheniformis by salt...
The aim of this study was to compare the prevalence of EBV genotype and del-LMP-1 in saliva from Polish, Taiwanese and Arabic healthy students. The study group consisted of 56 healthy students; 24 of them Polish, 25 Taiwanese, and 7 Arabic. Typing was carried out using PCR with EBNA-2 primers. A detection of LMP-1 variants was also performed using PCR. EBV DNA was detected in 22 investigated samples...
The aim of the study was mycological examination of ulcerated corneal tissues from an ophthalmic patient. Tissue fragments were analyzed on potato-glucose agar (PDA) and maltose (MA) (Difco) media using standard laboratory techniques. Cultures were identified using classical and molecular methods. Macro- and microscopic colony morphology was characteristic of fungi from the genus Aspergillus (restricted...
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