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7280 results about "Bacterial strain" patented technology

A bacterial strain is a subtype of bacteria, there are variety of bacteria which are classified chronologically as domain which is bacteria, phylum,class,order,family,genus,species,strain.

Probiotic, lactic acid-producing bacteria and uses thereof

InactiveUS20060099197A1Good curative effectMitigating deleterious side-effectsAntibacterial agentsBiocideMicrobial agentAnti fungal
The present invention discloses compositions and methodologies for the utilization of probiotic organisms in therapeutic compositions. More specifically, the present invention relates to the utilization of one or more species or strains of lactic acid-producing bacteria, preferably strains of Bacillus coagulans, for the control of gastrointestinal tract pathogens, including antibiotic-resistant gastrointestinal tract pathogens, and their associated diseases by both a reduction in the rate of colonization and the severity of the deleterious physiological effects of the colonization of the antibiotic-resistant pathogen. In addition, the present invention relates to the utilization of therapeutic compounds comprised of lactic acid—producing bacteria and anti-microbial agents such as antibiotics, anti-fungal compounds, anti-yeast compounds, or anti-viral compounds. The present invention also discloses methodologies for: (i) the selective breeding and isolation of probiotic, lactic acid-producing bacterial strains which possess resistance or markedly decreased sensitivity to anti-microbial agents (e.g., antibiotics, anti-fungal agents, anti-yeast agents, and anti-viral agents); and (ii) treating or preventing bacteria-mediated infections of the gastrointestinal tract by use of the aforementioned probiotic bacterial strains with or without the concomitant administration of antibiotics. While the primary focus is on the treatment of gastrointestinal tract infections, the therapeutic compositions of the present invention may also be administered to buccal, vaginal, optic, and like physiological locations.
Owner:GANEDEN BIOTECH

MALDI-TOF MS (Matrix-assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry)-assisted identification method for listeria monocytogenes

This invention relates to an MALDI-TOF MS (Matrix-assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry)-assisted identification method for listeria monocytogenes, comprising the following steps of: (1) selecting 35 to 40 strains of fresh cultures of listeria monocytogenes, pre-treating the samples; (2) collecting maps of all bacterial strain samples; (3) analyzing and unifying the obtained maps by using BioTyper software to obtain a standard map of listeria monocytogenes; (4) preparing a sample of a microorganism to be detected by adopting the method in the step (1); (5) collecting the MALDI-TOF-MS map of the sample to be detected according to the method in the step (2); comparing the obtained MALDI-TOF-MS map of the sample to be detected in step (5) with the obtained standard map of listeria monocytogenes in the step (3), judging the detection results according to matching fractions. According to the invention, a mass spectrogram database and the standard map in listeria monocytogenes identification are created successfully, and the accurate identification with convenience, microscale and high automation for listeria monocytogenes can be realized.
Owner:曹际娟 +1

Schizochytrium limacinum and method or fermenting and producing DHA (Docosahexaenoic Acid) grease utilizing high density of schizochytrium limacinum

The invention belongs to the field of microbial fermentation engineering, and discloses schizochytrium limacinum (Aurantiochytrium sp.SD116). The schizochytrium limacinum is stored in China Microbial Culture Collection Administration Committee General Microbial Center with a number of CGMCC No: 6208), and a method for fermenting and producing DHA (Docosahexaenoic Acid) grease utilizing high density of the schizochytrium limacinum. According to the schizochytrium limacinum and the method disclosed by the invention, a bacterial strain fermenting condition is optimized based on element supply and a fermenting control angle, a carbohydrate supplementation operation is carried out, therefore, high-density fermentation is achieved, dry cell weight finally reaches 70.43g/L, grease content reaches 50.1g/L, DHA occupies more than 35% of total content of fatty acid; moreover, bioactive substances such as beta-carotene, astaxanthin and squalene are contained. The complete set of technology is convenient to operate; higher biomass liveweight and DHA content can be obtained; fermenting cost can be reduced; and the method is suitable for industrial fermenting production.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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