Literature DB >> 993275

Nucleolus degradation and growth induced by uv-microbeam irradiation of interphase cells grown in culture.

V N Sakharov, N Voronkova.   

Abstract

In contrast to total cell irradiation, local UV-microbeam irradiation can stimulate a significant diminution in the irradiated mature nucleoli in interphase mammalian cells in culture. This diminution is accompanied by the concomitant expansion of the unirradiated nucleoli within the same nucleus, and the total nucleolar volume per nucleus does not change appreciably. It is suggested that these nucleolar volume changes are the result of the dispersion, migration, and redistribution of the nucleolar material between competitive nucleolar organizer regions of the interphase nucleus.

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Year:  1976        PMID： 993275      PMCID： PMC2109795          DOI： 10.1083/jcb.71.3.963

Source DB:  PubMed          Journal:  J Cell Biol        ISSN： 0021-9525            Impact factor:   10.539


  7 in total

1.  INFLUENCE OF THE NUCLEOLUS ON MITOSIS AS REVEALED BY ULTRAVIOLET MICROBEAM IRRADIATION.

Authors:  M E Gaulden; R P Perry
Journal:  Proc Natl Acad Sci U S A       Date:  1958-06       Impact factor: 11.205

2.  Importance of the nucleolus in the initiation of DNA synthesis in mammalian cells. Studies with an ultraviolet microbeam and low concentrations of actinomycin D.

Authors:  J M Hatfield; P P Dendy; F Meyskens; A B Rickinson
Journal:  Exp Cell Res       Date:  1973-03-30       Impact factor: 3.905

3.  Modification of nucleolar expression following laser micro-irradiation of chromosomes.

Authors:  M W Berns; Y Ohnuki; D E Rounds; R S Olson
Journal:  Exp Cell Res       Date:  1970-04       Impact factor: 3.905

4.  Laser microirradiation of the nucleolar organizer in cells of the rat kangaroo (Potorous tridactylis). Reduction of nucleolar number and production of micronucleoli.

Authors:  M W Berns; A D Floyd; K Adkisson; W K Cheng; L Moore; G Hoover; K Ustick; S Burgott; T Osial
Journal:  Exp Cell Res       Date:  1972-12       Impact factor: 3.905

5.  [The induction of dissolution and growth of nucleoli in interphase tissue culture cells by UV-microirradiation].

Authors:  V N Sakharov; L N Voronkova
Journal:  Tsitologiia       Date:  1968-07

6.  Nucleolar "caps" induced by flying spot ultraviolet nuclear irradiation.

Authors:  P O Montgomery; R C Reynolds; J E Cook
Journal:  Am J Pathol       Date:  1966-09       Impact factor: 4.307

7.  Argon laser micro-irradiation of nucleoli.

Authors:  M W Berns; R S Olson
Journal:  J Cell Biol       Date:  1969-12       Impact factor: 10.539
  7 in total

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