Tetrahymena pyriformis
Cell Stress by Phosphate of Two Protozoa Tetrahymena thermophile and Tetrahymena pyriformis
... models Tetrahymena thermophila and Tetrahymena pyriformis , follow- ing the mobility, the growth and the morphology of ...that Tetrahymena can be used as a model of cellular stress and ...
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Toxicological study of nitrobenzene derivatives against tetrahymena pyriformis using topological parameters
... which is the inverse logarithm of the concentration causing 50% growth inhibition of Tetrahymena pyriformis after 40 hours. These eight descriptors have been used in developing QSTR models with the help of ...
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Quantum Chemical Descriptors Based QSTR Study of Nitrobenzene Derivatives against Tetrahymena Pyriformis Mishra Sunil Kumar 1*, Mishra Vibhanjali2 , Tripathi P.N. 2and Khan Mohd. Adil1
... It is clear from the above study that, the best combination of Quantum chemical descriptors is molecular weight, molar refractivity, electron affinity and total energy for the QSTR study of nitrobenzene derivatives ...
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The Ciliate Protist Tetrahymena pyriformis as a Cellular Adhesion Model for the Pathogenic Bacterium Staphylococcus aureus
... protist Tetrahymena pyriformis , a well-known model organism in biomedical research with a cellular architecture similar to human cell [32], and finally evaluated the anti-adhesion effect of some plant ...
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THE GENETICS OF THE H SEROTYPE SYSTEM IN VARIETY 1 OF TETRAHYMENA PYRIFORMIS
... PREVIOUS studies on serotypes of variety 1, Tetrahymena pyriformis, demon- strated that a single strain grown under different conditions could manifest any of several differ[r] ...
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Investigation of prey ingestion and digestion in the ciliate predator Tetrahymena pyriformis and the impact on growth
... Table 1.1 Receptors involved in opsonic and non-opsonic phagocytosis in immune cells. ................................... 14 Table 1.2 The four phases of Paramecium multimicronucleatum digestive vacuole (DV) processing ...
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MATING TYPE INHERITANCE IN SYNGEN 7 OF TETRAHYMENA PYRIFORMIS : INTRA- AND INTERALLELIC INTERACTIONS
... Mating type inheritance in syngen 7 of Tetrahymena pyriformis is epigenetic and involves macronuclear differentiation at the caryonide level. Five mating types were found in [r] ...
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Autonomous features of kinetosomes and mitochondria in Tetrahymena pyriformis GL: an ultrastructural, nutritional, and biochemical study
... Thus those organelles which classically had been considered to possess hereditary potential and autonomy, kinetosomes, mitochondria, and chloroplasts, were examined for the presence of n[r] ...
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MUTANT SELECTION IN TETRAHYMENA PYRIFORMIS
... Of the 12 isolated conjugating pairs, 2 showed resistance to caffeine after 10 fissions, 7 isolates contained resistant cells after 70 fissions, and 3 isolates were compo[r] ...
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THE INHERITANCE OF ENZYME VARIANTS FOR TYROSINE AMINOTRANSFERASE, NADP-DEPENDENT MALATE DEHYDROGENASE, NADP-DEPENDENT ISOCITRATE DEHYDROGENASE, AND TETRAZOLIUM OXIDASE IN TETRAHYMENA PYRIFORMIS, SYNGEN 1
... The F, hybrid clones showed both parental isozymes and an isozyme of intermediate mobility, which is presumed to indicate this enzyme is a dimer.. TAIT (1970) has examined t[r] ...
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Developmental DNA rearrangements and micronucleus-specific sequences in five species within the Tetrahymena pyriformis species complex.
... An alteration in the proportion of restriction digests that show differences between mi- cro- and macronuclear DNAs in two species can there- fore be taken as an indication tha[r] ...
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THE GENETIC CONTROL OF MATING TYPE POTENTIALITIES IN TETRAHYMENA PYRIFORMIS
... (5.) The frequencies of type I are generally highest among the progeny of pairs which produced none of types IV and VII. Conversely, the highest frequencies of types IV and [r] ...
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AN UNSTABLE NUCLEAR CONDITION IN TETRAHYMENA PYRIFORMIS
... The studies of SONNEBORN (1947, 1951) have provided abundant evidence for this conclusion, the chief evidence being that in certain stocks new mating types arise only when n[r] ...
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LINKAGE STUDIES IN VARIETY 1 OF TETRAHYMENA PYRIFORMIS: A FIRST CASE OF LINKAGE IN THE CILIATED PROTOZOA
... few lines will exhibit mating types that permit direct identification of the mating type genotype of a pair, but in most cases it is necessary to cross the lines derived from a pair [r] ...
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REGULATORY SEROTYPE MUTATIONS IN TETRAHYMENA PYRIFORMIS, SYNGEN 1
... The problem of linkage of relationships in Tetrahymena is further muddied by the additional observation that GRASS ( 1 972) was unable to demonstrate linkage between either the [r] ...
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MATING TYPE DETERMINATION IN VARIETY 8, TETRAHYMENA PYRIFORMIS
... Excluding the rare appearance of unexpected offspring of mating type I1 and selfers, the breeding results presented support strongly the hypothesis that mating type is ordinarily d[r] ...
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INHERITANCE OF IMMOBILIZATION ANTIGENS IN SYNGEN 7 OF TETRAHYMENA PYRIFORMIS: EVIDENCE FOR A REGULATORY GENE
... Under no conditions did A cells react to antiserum prepared against 25" Cerophyl B cells (Rb) thus strains A and B appear to have distinct antigens at room temperature.[r] ...
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POSITIVE SELECTION FOR MATING WITH FUNCTIONAL HETEROKARYONS IN TETRAHYMENA PYRIFORMIS
... Positive selection for successful conjugation can be used in a number of diverse developmental and genetic studies. Appearance of resistant cells in mating mix- lures of functiona[r] ...
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A TEMPERATURE-SENSITIVE MUTANT IN TETRAHYMENA PYRIFORMIS, SYNGEN 1
... clone (i.e., the vegetative progeny resulting from one pair) selfed in five out of six sublines, and subclones from each selfing depression were then initiated in axenic pept[r] ...
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TRANSITORY HETEROSIS IN NUMBERS OF BASAL BODIES IN TETRAHYMENA PYRIFORMIS
... Supplementary data: As mentioned in the introduction, earlier observations on cells from various stages of the cell cycle indicate that young heterozygotes have more basal bodies th[r] ...
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