Last edited by Shanos
Monday, August 3, 2020 | History

3 edition of DNA metabolism in Tetrahymena pyriformis found in the catalog.

DNA metabolism in Tetrahymena pyriformis

Clifford F. Brunk

DNA metabolism in Tetrahymena pyriformis

by Clifford F. Brunk

  • 400 Want to read
  • 24 Currently reading

Published by Biophysics Laboratory, Stanford University in Stanford, Calif .
Written in English

    Subjects:
  • DNA -- Metabolism.,
  • DNA repair.,
  • Tetrahymena pyriformis.,
  • Protozoa -- Physiology.

  • Edition Notes

    Statementby Clifford F. Brunk.
    Classifications
    LC ClassificationsQP624 .B78
    The Physical Object
    Paginationxii, 155 p.
    Number of Pages155
    ID Numbers
    Open LibraryOL4295616M
    LC Control Number78323650

      Species of Tetrahymena were grouped into three complexes based on morphological and life history traits: the pyriformis complex of microstomatous forms; the patula complex of microstome-macrostome transformers; and the rostrata complex of facultative and obligate histophages. We tested whether these three complexes are paraphyletic using the complete sequence of the small subunit Cited by: Clifford F. Brunk has written: 'DNA metabolism in Tetrahymena pyriformis' -- subject(s): DNA, DNA repair, Metabolism, Physiology, Protozoa, Tetrahymena pyriformis Asked in Protozoa How does.

    Tetrahymena thermophila: Growth in synthetic nutrient medium in the presence and absence of glucose. J Eukaryot Microbiol 38(1) Christensen ST and Rasmussen L. Evidence for growth factors which control cell multiplication in tetrahymena thermophila. Acta Protozoologica 31(4) Sanford YM and Orias E.   Tetrahymena thermophila is a ciliate with hundreds of cilia primarily used for cellular motility. These cells propel themselves by generating hydrodynamic forces through coordinated ciliary beating. The coordination of cilia is ensured by the polarized organization of basal bodies (BBs), which exhibit remarkable structural and molecular conservation with BBs in other by:

    Photo Courtesy of Emily Balf '05' Tetrahymena pyriformis is a ciliated protist that can be used to investigate the effects of cigarette extracts on ciliary cilia lining human lungs and those on the surface of Tetrahymena are structurally Tetrahymena, rows of cilia cover the surface of the integrated, alternate bending of the cilia creates the spiral swimming. DNA Elimination in Tetrahymena Eukaryotes use diverse ways to identify and silence transposable elements (TEs), while commonly using small RNAs. In the ciliate Tetrahymena, it has long been thought that the identification of TEs occurs through small RNA .


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DNA metabolism in Tetrahymena pyriformis by Clifford F. Brunk Download PDF EPUB FB2

Tetrahymena is a genus of free-living ciliates that can also switch from commensalistic to pathogenic modes of survival. They are common in freshwater ponds. They are common in freshwater ponds. Tetrahymena species used as model organisms in biomedical research are Class: Oligohymenophorea.

J.M. Mitchison, in International Review of Cytology, A Tetrahymena. Tetrahymena pyriformis is a ciliate protozoan of historic renown in cell cycle research. It was the first animal cell to be synchronized in mass cultures with repetitive temperature shocks by Scherbaum and Zeuthen ().A good deal of work was done on this system but the cell cycles are considerably shortened by this.

Electron micrographs of the linear mtDNA from Tetrahymena pyriformis strain GL show linear molecules with a duplex ‘eye’ of variable size in the middle. This indicates that replication of this DNA starts near the middle of the molecule and proceeds bidirectionally to the ends, as previously shown for the mtDNA of strain ST (Arnberg, A.C., Van Bruggen, E.F.J., Clegg, R.A., Upholt, W.B Cited by: Tetrahymena thermophila is a ciliate -- a unicellular eukaryote.

Remarkably, every cell maintains differentiated germline and somatic genomes: one silent, the other expressed. Moreover, the two genomes undergo diverse processes, some as extreme as life and death, simultaneously in the same ved eukaryotic mechanisms have been modified in ciliates to selectively deal with.

Abstract. The study of the Genetics of Tetrahymena pyriformis began about 20 years ago with the pioneering studies of Nanney and his co-workers. It is now developing more rapidly and extensively than ever before.

Allen and Gibson () have recently summarized the Genetics of T. pyriformisin “an attempt to reinterpret” it in relation to their own current views. Sequence and properties of the message encoding Tetrahymena hv1, a highly evolutionarily conserved histone H2A variant that is associated with active genes.

Nucleic Acids Res. – [PMC free article] Yao M. C., Gorovsky M. A., Comparison of the sequences of macro- and micronuclear DNA of Tetrahymena by: J.

PROTOZOOI. 18(3), (). The Purification of DNA from the Genomes of Paramecium aurelia and Tetrahymena pyriformis' SALLY LYMAN ALLEN and IAN GIBSON Depts. of Botany and Zoology, Univ. of Michigan, Ann Arbor, Mich.U.S.A.

and School of Biological Sciences, Univ. East,4nglia, Norwich, England SYNOPSIS. Methods are described for the recovery of highly. DNA amounts have been determined in the micronuclei and macronuclei of 8 strains ofParamecium aurelia and 6 strains ofTetrahymena pyriformis.

In the case of Tetrahymena a distribution of values for the amount of DNA in the macronuclei of all the strains was observed but the lowest values were approximately the same, viz. ×10 −11 by: 4 An Q. Dang, David E. Cook, The transsulfuration pathway in tetrahymena pyriformis, Biochimica et Biophysica Acta (BBA) - General Subjects, 2, CrossRef; 5 TONY LIANG, GREGORY J.

RAUGI, J. BLUM, Effect of 4-Pentenoic Acid on Intermediate Metabolism ofTetrahymena*, The Journal of Protozoology,23, 1, Wiley Online Library. Investigating Phagocytosis in Tetrahymena Article (PDF Available) in The American Biology Teacher 62(Feb ) January with 5, Reads How we measure 'reads'. Tetrahymena population by oxygen electrode.

Treatment with 1, 10 and 20 µg/ml of the pesticide affects the growth (proliferation) of T. pyriformis in concentration-dependent manner, also it increases the generation time and response percentage in concentration-dependent manner.

The respiratory metabolism of protozoan is. Irina Zhigacheva on 12 October UTC. The author offers a model for study of the energy of mammalian liver mitochondria in metabolic depression (hibernation) in terms of the metabolism of the ciliate Tetrahymena pyriformis during the stationary growth phase and washed from the endogenous oxidation substrates.

By having analyzed own and published data, the author concludes that the. The Tetrahymena telomerase is a reverse transcriptase that includes the RNA template for telomeric sequence synthesis as an integral component of the enzyme.

Telomeres are hundreds of bp long, and the number of GGGGTT/CCCCAA repeats varies from telomere to telomere.

Tetrahymena cells with certain mutant telomere sequences senesce and die. 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. Clifford F. Brunk has written: 'DNA metabolism in Tetrahymena pyriformis' -- subject(s): DNA, DNA repair, Metabolism, Physiology, Protozoa, Tetrahymena pyriformis Asked in Mycology or Fungi. Culture dense de Tetrahymena pyriformis sur milieu nutritif, donc sans bactérie à manger pour cet unicellulaire cilié bactériotrophe.

Pour cette raison, il n. Tetrahymena pyriformis: (tet'ră-hī'mē-nă pir'i-fōr'mis), A ciliate belonging to a large group characterized by three membranes on one side of the buccal cavity and one on the other; it somewhat resembles the paramecium and, like it, is readily cultured and used extensively for experimental studies.

[tetra- + G. hymēn, membrane]. Tetrahymena é um gênero de protozoários ciliados não patogênicos de vida livre cujos integrantes são encontrados principalmente em água fresca. As espécies Tetrahymena thermophila e Tetrahymena pyriformis são amplamente utilizadas em pesquisas medicinais e biológicas.

Ciclo de Vida. O ciclo de vida da T. thermophila é constituído por uma alternância entre fases sexuadas e : Oligohymenophorea. Appendix 1. Introduction: Why sequence the Tetrahymena genome?. Tetrahymena is a fresh-water protozoan that is highly successful ecologically.

It has been used as a microbial animal model for more than 75 years -- ever since Nobel Laureate Andre Lwoff [1] in succeeded in growing this unicell under axenic conditions, i.e., in pure culture. Welcome to TGD. TGD Wiki is a user-updatable database of information about the genes, proteins, and genomes of Tetrahymena thermophila, as determined by The Institute for Genomic Research (TIGR) and Ocean University of Wiki provides additional information collected from scientific literature, the research community, and many other sources.

Search term. Advanced Search Citation Search. Search term.Fractions of Different Syngens of Tetrahymena pyriformis Sally Lyman Allen 1 and Chi Ing Li 1 Received 14 Mar. Final 13 May The magnitude of the differences in base sequence of DNA fractions derived from different syngens of the ciliated protozoan Tetrahymena pyriformis was investigated.The Metabolism of Cyclopropane Fatty Acids by Tetrahymena pyriformis* (Received for publication, September 4, ) CARL L.

TIPTON AND NAJAH M. AL-SHATHIR From the Department of Biochemistry and Biophysics, Iowa State University, Ames, Iowa SUMMARY Cyclopropane fatty acids are readily metabolized by whole cells of Tetrahymena pyriformis.