(n.) A rhizopod. common in fresh water, capable of undergoing many changes of form at will. See Rhizopoda.
Example Sentences:
(1) An unprincipled coward with the backbone of an amoeba."
(2) Developing D. discoideum amoebae synthesize and secrete cAMP following the binding of cAMP to their surface cAMP receptor, a response called cAMP signaling.
(3) The relative amount of the crystals was measured in both amoeba strains on the basis of the integral extinction value.
(4) In amoeba cells the enzyme, like exo N-acetylglucosaminidase and acid phosphatase, is attached to the lysosomes, as it is sedimentable when homogenates are prepared in medium containing sucrose.
(5) Recent reports incriminating Acanthamoeba, a small free-living amoeba, wide-spread in environmental soils and waters, in acanthamoebic keratitis cases wearing soft contact lenses, drew attention to cleaning solutions for contact lenses.
(6) The amoeba, however, could not use yeasts, molds, or a green alga as a nutritional source.
(7) The drinking water was tested in chemical and bacteriological respects as well as on amoebas and rotaviruses.
(8) A new amoeba, isolated from well water in Gambia, West Africa, is described and named Phreatamoeba balamuthi n. g., n. sp.
(9) It was found that the uptake of this cation by the amoebae was fast in both species, conditions that modify the membrane potential (hyperpolarization and depolarization) produced changes in the fluorescence of the dye in agreement with its reported capability to detect variations in membrane potential.
(10) Alcian blue and Na+, both inducers of pinocytosis, differ in the manner with which they associate with the amoeba surface, suggesting the possibility of different pinocytosis-inducing sites on the amoeba surface.
(11) PHA-stimulated T-lymphocytes, depleted of T8-bearing cells by complement-mediated lysis, were unable to kill amoebae.
(12) Results show that the 3-D disc is mostly preceded by impressions of elastic amoeba-like deformations, whereas the 3-D egg is mostly preceded by the percept of a rotating flat ellipse.
(13) In contrast, incorporation by amoebae starving in suspension culture continued for 6-8 h. Similar patterns of [35S]sulphate incorporation were observed for two other strains of D. discoideum (strains AX2 and NC4) and for Polysphondylium violaceum.
(14) Focal contact sites are left behind on the glass surface ('footprints') when the amoeba moves away.
(15) Treatment during starvation of D. discoideum amoebae with micromolar amounts of A23187 causes an enhanced aggregation.
(16) Many trophozoite-target interfaces were outlined with a ring of polymerized amoeba actin, revealed by rhodamine-phalloidin staining of glutaraldehyde-fixed and Triton-X 100-extracted cells.
(17) Similar treatment of nonpathogenic amoebae had no effect on susceptibility to complement.
(18) An extracellular cyclic nucleotide phosphodiesterase was isolated from either growing cultures or aggregating amoebas of Dictyostelium discoideum.
(19) The establishment of amoebae leading to acute liver abscess was accompanied by significantly reduced levels of antibodies to the plasma membrane (PM) protein of E. histolytica, reduced direct macrophage cytotoxicity, and reduced anti-PM antibody-mediated macrophage-dependent cytotoxicity to amoebic trophozoites.
(20) When developing cultures of Dictyostelium discoideum are disaggregated at any time prior to cell wall formation and challenged to reinitiate development, amoebae will progress through the original sequence of morphogenetic stages, but the second time through they will do so in roughly one-tenth the original time, a process known as 'rapid recapitulation'.
Fungi
Definition:
(n. pl.) See Fungus.
(pl. ) of Fungus
Example Sentences:
(1) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
(2) Evidence is presented in support of the hypothesis that fresh bat guano serves as a means of pathogenic fungi dissemination in caves.
(3) The most commonly encountered organisms were aerobic bacteria (91%), anaerobes (74%), and fungi (48%).
(4) Over 2 days or more, intracellular fungi grew more rapidly than a corresponding inoculum of extracellular cryptococci growing in tissue culture medium containing human serum.
(5) Although not proved, it seemed likely that the resistance was due to increased natural contact with A. fumigatus or related fungi.
(6) The antibiotic was effective against Gram-positive bacteria, fungi and yeasts, and prolonged the life span of mice bearing Ehrlich ascites carcinoma.
(7) In the present study the specificity of IgA antibodies against food, inhalant, bacterial and fungi antigens were evaluated in a population of HIV infected children.
(8) The occurrence of fungi in tissue specimens from 72 cattle was examined by culture, histopathology and indirect immunofluorescence staining (IIF).
(9) Mattress dusts from the beds of 51 asthmatic children with positive skin tests to house dust mite were assayed for Der p I, Fel d I and certain viable fungi.
(10) Seventy-seven (62%) were caused by bacterial pathogens, 11 (9%) were caused by fungi, 10 (8%) were caused by viruses, five (4%) were caused by mycobacteria, and 22 (18%) were caused by toxins or other organisms.
(11) It is assumed that the dominant fungi may play a part in the etiopathogeny of the bronchial asthma of workers in such silos but investigations should be furthered before reaching a final conclusion.
(12) Among the algae species studied, Falkenbergia rufolanosa is the most active in front of all the fungi tested.
(13) The fungi were classified as susceptible, resistant, and intermediate by measuring the size of the zone of inhibited growth on yeast nitrogen base agar medium.
(14) In the present study, an attempt was made to isolate and identify pathogenic bacteria, fungi and parasites from the housefly Musca domestica collected in the surgical ward of the All India Institute of Medical Sciences Hospital and also in a remote residential area located 5 km from the hospital.
(15) Amino acid homology of this region is highest to the mobile line 1 elements of mammals, followed by the mitochondrial type II introns of fungi, and the pol gene of retroviruses.
(16) These two Fungi Imperfecti were able to consume the phenolic compound rapidly and completely.
(17) Forty soil samples from different desert localities in Kuwait were surveyed for keratinophilic and geophilic dermatophytic fungi.
(18) During five separate excursions (1989-90), observations were made of occurrence, harvesting, use, and marketing of psychoactive fungi by local Thai natives (males and females, adults and children), foreign tourists, and German immigrants.
(19) Soils rich in keratinic residues constitute a permanent or occasional reservoir for dermatophytes and keratinolytic and keratinophilic fungi, and are a source of potential infection for man and animals.
(20) The green pigments from the fungi of the genera Trichoderma and Penicillium were partially extracted with formic acid.