Results 181 to 190 of about 7,672 (207)

Intranuclear microtubules in Tetrahymena pyriformis GL

Experimental Cell Research, 1968
Abstract Microtubules with a diameter of 250–300 A were found in the macronuclei of Tetrahymena pyriformis GL, both normal and heat-synchronized cells, throughout the cell cycle. These microtubules were found to be a persistent macronuclear component. Their possible functions were discussed.
J, Ito, Y C, Lee, O H, Scherbaum
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Branched-chain sphingosines from Tetrahymena,pyriformis

Biochemical and Biophysical Research Communications, 1967
Abstract In a previous paper (Carter et , al. , 1966) we reported the discovery of a branched-chain sphingolipid base (19-methyl-C20-phytosphingosine) in Crithidia fasciculata , a flagellated Protozoan. In continuing this examination of the sphingolipids of Protozoa, we have now looked at the ciliated Protozoan Tetrahymena
H E, Carter, R C, Gaver
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Effects of Iproniazid on Tetrahymena pyriformis

Journal of Pharmaceutical Sciences, 1961
Abstract The effect of iproniazid on the rate of increase of cell mass and on the respiration of the cells and homogenates of Tetrahymena pyriformis has been studied for the purpose of obtaining information concerning the biological action of this drug. A number of different substrates were employed in the respiration studies.
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Intracellular insulin binding in Tetrahymena pyriformis

Tissue and Cell, 1996
Insulin, a classic vertebrate hormone, produces alterations in cellular metabolism and growth in the ciliate Tetrahymena pyriformis, as well as an increase in insulin binding upon subsequent exposure, a phenomenon known as hormonal imprinting. An antibody to a peptide corresponding to the alpha-subunit of the human insulin receptor (amino acid residues
G K, Christopher, C A, Sundermann
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Corticotypes in Tetrahymena pyriformis

The American Naturalist, 1966
Strains of syngen 1, Tetrahymena pyriformis, manifest extensive structural variation affecting most of the gross features revealed by silver impregnation techniques. The variations are rationalized by evidence for an association between the individual variables and the compoundness of the total cortical pattern. The conical compoundness is indicated by
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Characterization of ribosomes of Tetrahymena pyriformis

Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis, 1968
Abstract Some of the properties of the 80-S ribosome of Tetrahymena pyriformis have been examined. We estimate from sedimentation coefficient (79.5-S) and intrinsic viscosity (0.074 dl/g) a mol. wt. of 4.6·10 6 for the ribonucleoprotein particles. The RNA and protein ratio of the ribosomes is close to one.
D L, Weller, A, Raina, D B, Johnstone
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Primary Lysosomes in Tetrahymena pyriformis

Science, 1965
Primary lysosomes have been identified in the protozoon Tetrahymena pyriformis , and some evidence from their ultrastructure is offered for their origin.
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The transsulfuration pathway in tetrahymena pyriformis

Biochimica et Biophysica Acta (BBA) - General Subjects, 1977
Four enzymes necessary for the metabolism of methionine by the trans-sulfuration pathway, methionine adenosyltransferase (EC 2.5.1.6), adenosylhomocysteinase (EC 3.3.1.1), cystathionine beta-synthase (EC 4.2.1.22) and cystathionine gamma-lyase (EC 4.4.1.1) were identified in Tetrahymean pyriformis.
A Q, Dang, D E, Cook
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Isolation of nucleoli from Tetrahymena pyriformis

Developmental Biology, 1979
Abstract A procedure is described to isolate nucleoli from Tetrahymena pyriformis which contain extrachromosomal ribosomal DNA. Macronuclei isolated by the Nonidet procedure were sonicated at a reduced magnesium concentration, and the sonicate was fractionated by isopycnic centrifugation in a metrizamide density gradient.
T, Higashinakagawa, M, Sezaki, S, Kondo
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The isolation of phosphonolipids from Tetrahymena pyriformis

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, 1971
Abstract The separation of the glyceryi 2-aminoethyl phosphonolipid of Tetrahymena pyriformis (W) from its phosphate analog has been accomplished by chiomatography on a SilicAR-CC-4 column packed in chloroform.—acetic acid (75:25, by vol.). Optimal separation is achieved by placing the sample on the column and eluting with the above solvent system.
H, Berger, D J, Hanahan
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