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Effect of low and sublethal doses of irradiation on the ribosome content and on the incorporation of [3H]uridine into the RNA of growing tubes of pine pollen.

Radiat. Res. 76, 633-645 (1978)
Verlagsversion DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Low doses of X rays and uv light delivered at low dose rates stimulated the tube growth of Pinus silvestris pollen, while sublethal doses supplied at moderate dose rates inhibited the tube growth significantly. The irradiation also altered the level of ribosome content. The polysome content measured after 72 hr of tube development was twice as high in samples irradiated with sublethal doses as in samples irradiated with low doses. The control samples possessed only light oligosomes, while in low-dose irradiated samples all polysomes were heavy polysomes, and in sublethally irradiated samples only 20% of polysomes were heavy polysomes. The irradiated pollen, incubated for more than 56 hr, incorporated more uridine than the control: The low dose samples had twice as much labeled uridine in the rRNA as the sublethally irradiated samples.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 1978
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0033-7587
e-ISSN 1938-5404
Zeitschrift Radiation Research
Quellenangaben Band: 76, Heft: 3, Seiten: 633-645 Artikelnummer: , Supplement: ,
Verlag Radiation Research Society
Begutachtungsstatus Peer reviewed
Institut(e) Institut für Strahlenbotanik
PubMed ID 734059
Scopus ID 0018241202
Erfassungsdatum 1978-12-30