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Titolo:
Effects of benzylaminopurine and abscisic acid on distribution of rRNA in the palisade cells of excised Cucurbita pepo cotyledons
Autore:
Stoynova-Bakalova, EZ; Petrov, PI; Karanov, EN;
Indirizzi:
Bulgarian Acad Sci, Inst Plant Physiol Acad M Popov, BG-1113 Sofia, Bulgaria Bulgarian Acad Sci Sofia Bulgaria BG-1113 Popov, BG-1113 Sofia, Bulgaria
Titolo Testata:
BIOLOGIA PLANTARUM
fascicolo: 3, volume: 44, anno: 2001,
pagine: 355 - 360
SICI:
0006-3134(2001)44:3<355:EOBAAA>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
ULTRASTRUCTURAL-LOCALIZATION; GENE-EXPRESSION; GOLD COMPLEXES; RNA-CONTENT; NUCLEOLUS;
Keywords:
nucleolus; rRNA synthesis and transport; cell ultrastructure; ribosomes; morphometry; cell growth;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Stoynova-Bakalova, EZ Bulgarian Acad Sci, Inst Plant Physiol Acad M Popov,Acad G Bonchev St,Block 21, BG-1113 Sofia, Bulgaria Bulgarian Acad Sci Acad G Bonchev St,Block 21 Sofia Bulgaria BG-1113
Citazione:
E.Z. Stoynova-Bakalova et al., "Effects of benzylaminopurine and abscisic acid on distribution of rRNA in the palisade cells of excised Cucurbita pepo cotyledons", BIOL PLANT, 44(3), 2001, pp. 355-360

Abstract

rRNA was labelled with RNase-gold complexes applied to ultrathin Lowicryl sections of excised Cucurbita pepo L. (zucchini) cotyledons grown in darkness. Benzylaminopurine-caused stimulation of cotyledon growth decreases the density of ribosomes in palisade cells despite stimulating rRNA synthesis, Abscisic acid inhibits RNA synthesis and transport, but does not visibly affect the number of pre-existing ribosomes in retarded growth cells. The amount of rRNA in the cells of 24 h treated cotyledons is rather consequence of the growth rate than its leading factor.

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Documento generato il 29/03/20 alle ore 09:02:27