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Titolo:
UV-C RADIATION INDUCES APOPTOTIC-LIKE CHANGES IN ARABIDOPSIS-THALIANA
Autore:
DANON A; GALLOIS P;
Indirizzi:
UNIV PERPIGNAN,LAB PHYSIOL & BIOL MOL PLANTES,UMR CNRS 5545,52 AVE VILLENEUVE F-66860 PERPIGNAN FRANCE UNIV PERPIGNAN,LAB PHYSIOL & BIOL MOL PLANTES,UMR CNRS 5545 F-66860 PERPIGNAN FRANCE
Titolo Testata:
FEBS letters
fascicolo: 1-2, volume: 437, anno: 1998,
pagine: 131 - 136
SICI:
0014-5793(1998)437:1-2<131:URIACI>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROGRAMMED CELL-DEATH; IONIZING-RADIATION; B IRRADIATION; DNA; SENESCENCE; PLANTS; FRAGMENTATION; ETHYLENE; TOBACCO; MUTANT;
Keywords:
PROGRAMMED CELL DEATH; ULTRAVIOLET-C LIGHT; PLANT; TERMINAL DEOXYNUCLEOTIDYL TRANSFERASE-MEDIATED DUTP; NICK END LABELING; PROTOPLAST; DNA LADDER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
33
Recensione:
Indirizzi per estratti:
Citazione:
A. Danon e P. Gallois, "UV-C RADIATION INDUCES APOPTOTIC-LIKE CHANGES IN ARABIDOPSIS-THALIANA", FEBS letters, 437(1-2), 1998, pp. 131-136

Abstract

With a view to studying programmed cell death in plants at the molecular level, we report here for the first time that apoptotic-like changes are induced by UV radiation in plant nuclei. In Arabidopsis thaliana seedlings a UV-C dose of 10-50 kJ/m(2) induces an oligonucleosomal DNA fragmentation which is reminiscent of the apoptotic DNA ladder described in animal cells, This DNA fragmentation was also detected in situ in protoplast nuclei as soon as 2 h after UV-C treatment. Moreover, UV-C induced a nuclear morphology characteristic of animal apoptotic nuclei. We propose that UV-C induction constitutes a powerful tool to compare the cellular response to irreversible UV damage in plants to that in animals and to study programmed cell death in A. thaliana, (C) 1998 Federation of European Biochemical Societies,

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Documento generato il 21/09/20 alle ore 03:31:06