Published 1992 | Version v1
Miscellaneous Metadata-only

Effect of the cells free extract in irradiated cultures

Creators

  • 1. Universidade do Estado, Rio de Janeiro, RJ (Brazil)
  • 2. Universidade Federal, Rio de Janeiro, RJ (Brazil)

Description

When bacterial cultures irradiated with ultraviolet (UV) or X rays are spread on the surface of an agar solidified media in the presence of not viable cells, the survival of the irradiated population is increased. The nonviable cells promote the repair of irradiated bacteria, a phenomenon termed neighbor restoration. This restoration can also be observed by the addition of cell free bacterial extracts (CFBE). In this paper we described the effects of the addition of CFBE either prepared using a refrigerated hydraulic press or a ultrasonic source. The results show that the ability of both CFBE in to increasing the survival of UV irradiated cells is the same. In conclusion, it is observed that the method used to prepare CFBE does not modify the repairing activity of this extract. (author)

Additional details

Additional titles

Original title (Portuguese)
Efeito do extrato livre de celulas em culturas irradiadas

Publishing Information

Imprint Title
Proceedings of the 4. General Congress on Nuclear Energy. v. 2
Imprint Pagination
429 p.
Journal Page Range
p. 815-819.

Conference

Title
4. General Congress on Nuclear Energy.
Dates
5-9 Jul 1992.
Place
Rio de Janeiro, RJ (Brazil).

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
23078777
Subject category
S63: RADIATION, THERMAL, AND OTHER ENVIRONMENTAL POLLUTANT EFFECTS ON LIVING ORGANISMS AND BIOLOGICAL MATERIALS;
Resource subtype / Literary indicator
Conference, Non-conventional Literature
Descriptors DEI
BIOLOGICAL EFFECTS; CELL CULTURES; ESCHERICHIA COLI; RADIATION EFFECTS; RADIOSENSITIVITY; SURVIVAL CURVES; ULTRAVIOLET RADIATION; X RADIATION
Descriptors DEC
BACTERIA; ELECTROMAGNETIC RADIATION; IONIZING RADIATIONS; MICROORGANISMS; RADIATIONS

Optional Information

Notes
Imprint:Anais do 4. Congresso Geral de Energia Nuclear. v. 2.