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Saturday, July 25, 2020 | History

2 edition of effects of hydrostatic pressure on synchronized Tetrahymena. found in the catalog.

effects of hydrostatic pressure on synchronized Tetrahymena.

Louise Lowe

effects of hydrostatic pressure on synchronized Tetrahymena.

by Louise Lowe

  • 357 Want to read
  • 17 Currently reading

Published in [Toronto] .
Written in English

    Subjects:
  • Tetrahymena pyriformis

  • Edition Notes

    ContributionsToronto, Ont. University.
    The Physical Object
    Paginationvii, 96 leaves.
    Number of Pages96
    ID Numbers
    Open LibraryOL20175063M

    Abstract. Any organism in an aquatic environment is subjected to varying degrees of hydrostatic pressure. This is particularly true in marine environments where hydrostatic pressure ranges from less than one atmosphere at the surface to around one thousand Cited by: 2. The apparatus has been used to monitor the growth of a population of Tetrahymena inside a pressure vessel atm immediately arrests cell division whilst atm has little effect

    MacDonald AG. The effect of helium and of hydrogen at high pressure on the cell division of Tetrahymena pyriformis W. J Cell Physiol. Jun; 85 (3)– Macdonald AG. The effects of pressure on the molecular structure and physiological functions of cell membranes. Philos Trans R Soc Lond B Biol Sci. Jan 7; ()–Cited by: 2.   Effects of High Pressure on Macromolecular Synthesis in Synchronized Tetrahymena I. Introduction II. Effects of Pressure on Division III. Ribosomal Studies IV. Proteins Associated with Division V. Pressure Effects on RNA and Protein Synthesis VI. Discussion References The Role of Microtubules in the Cell Cycle I. Introduction Edition: 1.

    The cell cycle of Tetrahymena pyriformis ST was studied using synchronous cultures prepared by continuous-flow size selection. These organisms had cell cycle times (mean values and min in. The ciliate Tetrahymena pyriformis was grown in a peptone medium without added glucose. The interrelationship between increasing cell density and pH of the growth medium was studied from mid‐log to the stationary phase, i.e. f to 1,, cells/ml, by .


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Effects of hydrostatic pressure on synchronized Tetrahymena by Louise Lowe Download PDF EPUB FB2

Effects of hydrostatic pressure in the range atmospheres on cell division and protein synthesis in synchronized Tetrahymena pyriformis: a comparison with cycloheximide and emetine. Walker E, Wheatley by: 4. Exposure of Tetrahymena pyriformis to 7, or 10, psi of hydrostatic pressure for 2, 5, or 10 min intervals results in a change in cell shape and ciliary activity.

Shape changes occur concurrently with a degradation of longitudinal microtubules in a posterior to anterior direction. High pressure also causes a disruption of ciliary by: This chapter discusses the effects of hydrostatic pressure on cell membranes.

The response of cells to high pressure is multifactorial. The cellular response to pressure is mediated through various levels of organization—biochemical, morphological, and by: 5. The organism’s biochemical genetics, vitamin and inorganic requirements, and evolution are also shown.

This book also explores the effect of radiation, drugs, and hydrostatic pressure on Tetrahymena. The documented information presented in this book will be sufficient. The organism’s biochemical genetics, vitamin and inorganic requirements, and evolution are also shown.

This book also explores the effect of radiation, drugs, and hydrostatic pressure on Tetrahymena. The documented information presented in this book will be sufficient to stimulate even more interest in the Edition: 1.

Interaction between anaesthetics and hydrostatic pressure in the division of Tetrahymena pyriformis W. Experimental Cell Research75 (2), DOI: /(72) Frank J Millero, Robert A Berner. Effect of pressure on carbonate equilibria in seawater. It is of interest to consider the possible ways in which pressure could affect the postulated accumulation of Pj.

atm causes a decrease of 14 per cent in the rate of oxygen consumption of Tetrahymena [2] so it is possible, though perhaps unlikely, that pressure affects the accumulation of P1 indirectly by way of the cell's energy by: Download full text in PDF Download. Share. ExportCited by: A series of photomicrographs of Tetrahymena pyriformis prior to and after pressure induced synchrony.

Division synchrony was induced by subjecting log growth cells (at 28) to a series of 5 pressure pulses, (8 psi for 2 min duration); each pressure pulse was separated by. RNA has been extracted from whole cells of heat-synchronized Tetrahymena and fractionated by methylated albumin Kieselguhr chromatography (MAK).

It wa Cited by: Cultures of heat-synchronized Tetrahymena pyriformis, growing in a proteose peptone medium, were subjected to short pulses of the amino acid analogue, p-fluorophenylalanine, and high hydrostatic.

Effects of Nicotine on Phagocytosis in Tetrahymena Tetrahymena Single celled cicilated protist that is normally found in fresh water lakes and streams.

They are known to be able to tolerate a diverse range of enviroments. They are often used in experiments because they are easy. Phagocytosis in Tetrahymena as an Experimental System To Study the Toxic Effects of Cigarette Smoke Preparation for Laboratory: Web Tutorial 6, Tetrahymena - submit questions Additional Background: Freeman - sections on microtubules and cilia, pp Background Tetrahymena are small unicellular organisms that can be found in pond water File Size: KB.

Effects of High Hydrostatic Pressure on Morphogenesis in Naegleria gruberi (Schardinger) Aroclors and Effect on and Accumulation by Tetrahymena pyriformis. NELSON R. COOLEY; JAMES M.

KELTNER JR. JERROLD FORESTER; Pages: ; BOOK REVIEW Book Review. Pages. Abstract. The effects of cycloheximide on synchronized Tetrahymena pyriformis strain GL‐C were investigated at concentrations ranging from to 10 μg/ml. The initial inhibition of protein synthesis was nearly total (>85%) at 1 μg/ml and above, partial (50–80%) at to μg/ml Cited by: The effects of high hydrostatic pressure on the microtubules of Tetrahymena pyriformis.

Kennedy JR, Zimmerman AM. Exposure of Tetrahymena pyriformis to 7, or 10, psi of hydrostatic pressure for 2, 5, or 10 min intervals results in a change in cell shape and ciliary activity.

In hyphae ofSaprolegnia ferax microtubules of both the mitotic spindle and the cytoplasm resist lethal or normally employed doses of colchicine, colcemid, vinblastine, griseofulvin, camphor, low temperature and up to 10, p.s.i.

of hydrostatic pressure. 14, p.s.i. caused complete loss of microtubules. Descriptions of various effects on non-microtubular cellular components and colony Cited by: Effect of Light Exposure on Growth and Glyconeogenesis of Tetrahymena Pyriformis.

Karyl Allene Kohrs. University of Wisconsin contained culture media cultures grown dark grown cells dark grown cultures day culture day of growth days of fluorescent effect of light ethanol exponential growth phase exposed media exposed to light fatty acid.

The action of pressure was studied on the incorporation of labelled phenylalanine and uridine, and on the synthesis of water‐soluble proteins in heat‐synchronized Tetrahymena pyriformis.

Incorporation of [ 14 C] phenylalanine and [ 3 H] uridine into TCA insoluble fractions was markedly decreased in pressuretreated by: Hydrostatic pressure alone is known to reverse N 2 O inhibition of growth, but we found that it did not greatly alter oxygen toxicity.

Therefore, potentiation by class 1 gases appeared to be a gas effect rather than a pressure by:. Simon EM and Hwang SW. Tetrahymena: Effect of freezing and subsequent thawing on breeding performance.

Science () Asai DL and Forney JD. Tetrahymena thermophila. methods in cell biology. San Diego: Academic Pres. Chapter 4.Potentiation by p-fluorophenylalanine of the division-delaying effects of high hydrostatic pressure in synchronized Tetrahymena pyriformis.

Walker E, Wheatley DN. J Cell Physiol, (3), 01 Dec Cited by: 0 articles | PMID: Effects of hydrostatic pressure in the range – atmospheres on cell division and protein synthesis in synchronized Tetrahymena pyriformis: A comparison with cycloheximide and emetine. Loading next page Thanks for helping us catch any problems with articles on DeepDyve.