(n.) A microscopic vegetable organism, belonging to the class Algae, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus.
Example Sentences:
(1) After Listeria, a bacterium, is phagocytosed by a macrophage, it dissolves the phagosomal membrane and enters the cytoplasm.
(2) These results suggest that the bacterium may not play an important pathogenetic role in ulcer healing and relapse, when patients are managed using an H2-blocker.
(3) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
(4) Microbiological analyses of sediments located near a point source for petrogenic chemicals resulted in the isolation of a pyrene-mineralizing bacterium.
(5) However, the amino acid sequence of the enzyme from the bacterium exhibited low identities (25-30%) with the same enzyme from eukaryotes.
(6) The cytoplasm and the periplasma of the gram-negative facultative photosynthetic bacterium Rhodopseudomonas sphaeroides contain phospholipid transfer proteins; these seem to be involved in the biosynthesis of prokaryotic membranes.
(7) in all of the clinical groups studied suggests that this bacterium is not a good marker of periodontal disease and that it is necessary to define the most characteristic phenotypes and genotypes.
(8) Mössbauer spectroscopy has been used to study the heme iron in various states of cytochrome P450cam from the camphor-hydroxylating system of the bacterium Pseudomonas putida.
(9) We examined the predacious gram-negative bacterium Bdellovibrio bacteriovorous 109J and free-living strains 109J-A1 and 109J-KA1 derived therefrom for penicillin-binding proteins (PBPs).
(10) The enzyme hydrogenase, from the photosynthetic bacterium Chromatium, was purified to homogeneity after solubilization of the particulate enzyme with deoxycholate.
(11) The 3-ketoglycose-synthesizing system in the bacterium does not affect the relative participation of these two pathways.
(12) We have isolated a mutant of the luminous bacterium Beneckea harveyi, which requires exogenous adenosine 3',5'-monophosphate (cyclic AMP) to synthesize luciferase and emit light.
(13) Of the major metabolic processes investigated in this bacterium, only de novo synthesis of the cell envelope was inhibited by lombazole well in advance of an effect on growth.
(14) Allo-deoxycholic acid was formed only in cell extracts prepared from bacteria induced by cholic acid, suggesting that their formation may be a branch of the cholic acid 7 alpha-dehydroxylation pathway in this bacterium.
(15) Crude extracts from aerobically grown bacterium Klebsiella pneumoniae contain three different types of catalases, designated KpT, KpCP, and KpA, whose activities in crude extracts are in the ratio 4.1:1:0.3.
(16) Nitrendipine, verapamil, LaCl3 and omega-conotoxin were tested and these blockers inhibited chemotactic behaviour in the bacterium toward L-alanine.
(17) After several rounds, the scientists had pieced together all 1m letters of the bacterium's genome.
(18) An assay for the determination of NAD(P)+ and NAD(P)H in extracts from the obligate anaerobe bacterium Thermoanaerobacter finnii is developed and the strategy for this development is described.
(19) The bacterium produces unique, branched-chain fatty acids, catalase, oxidase (weakly), and gelatinase and uses starch while ignoring other carbohydrates.
(20) Previous studies have demonstrated that human salivary alpha-amylase specifically binds to the oral bacterium Streptococcus gordonii.
Plague
Definition:
(n.) That which smites, wounds, or troubles; a blow; a calamity; any afflictive evil or torment; a great trail or vexation.
(n.) An acute malignant contagious fever, that often prevails in Egypt, Syria, and Turkey, and has at times visited the large cities of Europe with frightful mortality; hence, any pestilence; as, the great London plague.
(v. t.) To infest or afflict with disease, calamity, or natural evil of any kind.
(v. t.) Fig.: To vex; to tease; to harass.
Example Sentences:
(1) In contrast, uncloned NJ12508 stock virus killed 1 of 24 hens and FL27716 stock virus killed 4 of 24 hens, and neither produced the complete spectrum of lesions associated with fowl plague.
(2) The Semliki Forest virus spike subunit E2, a membrane-spanning protein, was transported to the plasma membrane in BHK cells after its carboxy terminus, including the intramembranous and cytoplasmic portions, was replaced by respective fragments of either the vesicular stomatitis virus glycoprotein or the fowl plague virus hemagglutinin.
(3) Thus, has been shown a leading role of transmission of plague microbe by fleas in the maintenance of natural nidality of this zoonosis.
(4) The adsorption capacity of microgranulated polyacrylamide magnetic immunosorbents has been studied by the method of quantitative immunofluorescence as applied to the causative agents of plague, cholera, and melioidosis.
(5) Processing of plague plasminogen activator (p36 to p33), responsible for hydrolysis of Yops, required 2 h. Avirulence of mutants with inserted Mu dl1 (Apr lac) in yopE was verified and shown to occur independently of introduced fusion-dependent peptides.
(6) Their creation in 2006 marked a turning point in stem cell research , because iPS cells suffer from none of the ethical issues that plague embryonic stem cells.
(7) Like domestic animals, the latter died of hunger probably, any corpse or carcass being considered as plague victims.
(8) Attention is focused on the Railways' campaigns against malaria, plague and infectious diseases.
(9) He is an expert on the public health problems that plague El Paso and the other cities along the international border, all of which are exacerbated by abject poverty and a burgeoning population.
(10) Hollowing out legacy media’s revenues while using its content, “ digital colonialism ” and issues of censorship have plagued the company in 2016.
(11) Plagued by prison riots, IRA breakouts, illegal deportations, verdicts that found him in contempt of court, and over-hasty legislation on dogs, he acquired a reputation – as home secretaries often do – for being accident-prone.
(12) In the natural foci of plague and tularemia, as well as on the territories outside such foci, the causative agents of intestinal yersiniosis, pseudotuberculosis, salmonellosis, erysipeloid, staphylococci and streptococci, arena- and arboviruses have been isolated from the rodents and ectoparasites under study.
(13) The infection, confirmed by viral culture, was produced by Dutch strain (Hav 1 Neq 1) of fowl plague virus.
(14) The lytic activity of plague phage II, serovar 3, with respect to 1,800 bacterial strains has been studied: 760 Yersinia pestis strains, 262 Y. pseudotuberculosis strains, 252 Y. enterocolitica strains, 166 Escherichia coli strains, 90 Shigella strains and 270 strains of other species.
(15) Scottish Natural Heritage is exterminating them in the Outer Hebrides not because there is a plague of hedgehogs there but to protect the nests of the wading birds whose eggs and chicks a few escaped pet hedgehogs having been eating.
(16) The sera from plague patients recognized Y. pestis and Y. enterocolitica antigens ranging from 15 to 72 kilodaltons (kDa), whereas sera from immunized subjects recognized four antigenic components in Y. pestis ranging from 17 to 64 kDa and five antigens in Y. enterocolitica ranging from 16 to 68 kDa.
(17) But the project has been plagued by cost problems since it was first mooted under the last Labour government.
(18) Mourinho’s interest in Gomes and Jõao Mário suggests Bastian Schweinsteiger, who has suffered an injury-plagued first season at United and who is 32 in August, may be under threat.
(19) You’ve plagued her life and the life of her family.” Maitlis was not in court for the sentencing.
(20) In South Sudan, where civil war broke out a year ago, 1.5 million people are severely food insecure, while the sectarian violence that has plagued CAR since March has left a quarter of the population – more than 1 million people – displaced within its borders or in neighbouring countries.