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Effect of Ultraviolet Irradiation on DNA Metabolism of Euglena gracilis
Author(s) -
GIBOR A.
Publication year - 1969
Publication title -
the journal of protozoology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 0022-3921
DOI - 10.1111/j.1550-7408.1969.tb02255.x
Subject(s) - photolyase , euglena gracilis , euglena , dna , ultraviolet light , biochemistry , metabolism , dna repair , chemistry , ultraviolet , irradiation , ultraviolet irradiation , dna synthesis , biology , biophysics , photochemistry , gene , optics , physics , chloroplast , nuclear physics
SYNOPSIS. (P 32 O 4 ) is rapidly incorporated into DNA of resting cells of Euglena. This incorporation is strongly inhibited by bleaching doses of ultraviolet light. Photoreactivation of the bleaching effect does not immediately restore the rate of P 32 incorporation into DNA. It is indicated that this metabolically active DNA is not directly associated with control over the development of the plastids.