Antonie van Leeuwenhoek
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Bacillus globigii cell size is influenced by variants of the quorum sensing peptide extracellular death factor
Antonie van Leeuwenhoek - Tập 105 - Trang 221-228 - 2013
Toxin-antitoxin modules are necessary for the mode of action of several antibiotics. One of the most studied toxin-antitoxin modules is the quorum sensing—dependent MazEF system in Escherichia coli. The quorum sensing factor in this system is called the extracellular death factor (EDF), a linear pentapeptide with the sequence NNWNN. In spite of the extensive research on the mazEF system and the in...... hiện toàn bộ
Over varianten van Bact. paratyphi-B (type Schottmüller) die uit druivensuiker géén gas vormen
Antonie van Leeuwenhoek - Tập 1 - Trang 88-104 - 1934
Fine structure and the localization of the nitrite oxidizing system inNitrobacter winogradskyl
Antonie van Leeuwenhoek - Tập 34 - Trang 483-494 - 2013
The existence of a membrane system located at one of the poles of the cell is confirmed in the case ofNitrobacter winogradskyi. Additional information on the structure of this system is presented. Elementary particles with diameters of 90 – 100 Å are embedded on a layer of membrane protein. Identification of the membrane system as the location of nitrite oxidation was achieved by a combination of ...... hiện toàn bộ
PCR-RFLP analysis of the IGS region of rDNA: a useful tool for the practical discrimination between species of the genus Debaryomyces
Antonie van Leeuwenhoek - Tập 90 - Trang 211-219 - 2006
The amplification by PCR of the intergenic spacer region (IGS) of rDNA followed by restriction fragment length polymorphism (RFLP) analysis was evaluated as a potential method for discriminating the 16 species belonging to the genus Debaryomyces. The digestion of this region with some or all the enzymes used in this study (HapII, HhaI and MboI) produced species-specific patterns that permitted dif...... hiện toàn bộ
Genome-based classification of genera Halosegnis and Salella, and description of four novel halophilic archaea isolated from a tidal flat
Antonie van Leeuwenhoek - Tập 117 Số 1 - 2024
Functional and phylogenetic diversity of cultivable rhizobacterial endophytes of sorghum [Sorghum bicolor (L.) Moench]
Antonie van Leeuwenhoek - - 2017
A diverse group of bacteria colonize the exo- and endo-rhizospheres of sorghum and play a critical role in its tolerance to drought and other abiotic stresses. Two hundred and eighty endophytic bacteria were isolated from the surface-sterilized roots of four sorghum cultivars that were grown on three soil types at three different phenological stages of growth. The isolates were subjected to in vit...... hiện toàn bộ
Influence of oxygen tension on the physiology ofSaccharomyces cerevisiae in continuous culture
Antonie van Leeuwenhoek - - 1971
The effect of decreasing oxygen tensions on the physiology and composition ofSaccharomyces cerevisiae was studied in galactose-limited continuous cultures. Between oxygen tensions of 75 and 3 mm Hg the metabolism of galactose was oxidative and cell composition constant. Below 3 mm Hg a more fermentative metabolism was operative resulting in low cell yields and accumulation of ethanol in culture fi...... hiện toàn bộ
A comparative study on the frequency of prophages among natural isolates of Salmonella and Escherichia coli with emphasis on generalized transducers
Antonie van Leeuwenhoek - Tập 73 - Trang 49-54 - 1998
Several collections of natural isolates of the genus Salmonella and of the species Escherichia coli were studied for the release of viable temperate phages. The results indicated that functional prophage genomes may be a common constituent of all bacterial genomes of the investigated strains. About 99% of the Salmonella phages are capable of generalized transduction of chromosomal host markers and...... hiện toàn bộ
A tissue culture color test for the titration of neutralizing antibodies against sendai virus (parainfluenza 1)
Antonie van Leeuwenhoek - Tập 27 - Trang 299-304 - 1961
A color test for the detection and titration of neutralizing antibodies against Sendai virus is described. Non-specific inhibitors should be removed by treatment with cholera filtrate R.D.E. In contrast to both the haemagglutination inhibition test and the complement fixation test, which do not allow a differentiation between mumps and Sendai virus infection because of cross reactions, the color t...... hiện toàn bộ
Products of the oxidation of selected alkanes by a gram-negative bacterium
Antonie van Leeuwenhoek - Tập 30 - Trang 417-427 - 1964
Cultures of a soil pseudomonad grown withn-octane as the sole source of carbon and energy have been shown to accumulate suberic, adipic, acetic and butyric acids. Cultures grown at the expense ofn-octoic acid did not yield either suberic or adipic acids. Whenn-heptane was the growth substrate,n-heptoic acid was detected in the medium. A trace of pimelic acid, the expectedn-alkanedioic acid, also a...... hiện toàn bộ
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