Journal Article10.1007/BF02172188
A new puffing pattern induced by temperature shock and DNP in drosophila
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TL;DR: In this article, shocks di temperatura possono indurre una variazione di "puffing pattern" in ghiandole salivari di Drosophila, which is perfettamente reversibili and rappresentano zone di intensa sintesi di RNA.
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Abstract: Si e notato che shocks di temperatura possono indurre una variazione di «puffing pattern» in ghiandole salivari di Drosophila. Tali «puffing» sono perfettamente reversibili e rappresentano zone di intensa sintesi di RNA. Si e notato che DNP e Na salicilato portano a simili variazioni di «puffing pattern».
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References
Induktion von puff-veränderungen in den speicheldrüsenchromosomen von Chironomus t̆entans durch Ecdyson
U. Clever,P. Karlson +1 more
TL;DR: After the injection of “ecdysone”—the hormone of the prothoracic glands—into the last instar larvae of Chironomus tentans, a new puff in the first chromosome appears, while another one disappears, in normal development.
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Behavior of polytene chromosomes of Rhynchosciara angelae at different stages of larval development.
M. E. Breuer,C. Pavan +1 more
TL;DR: Polytene chromosomes in cells of salivary gland, Malpighian tubules and intestine of Rhynchosciara angelae are very favorable for study and experimental evidence suggests that a gene is located within a band, which may be morphological evidence of gene activities.
287
Chromosomal synthesis of ribonucleic acid as shown by incorporation of uridine labelled with tritium.
TL;DR: None of these investigations provide information as to the precise localization of structures within the nucleus which synthesize this acid, except the nucleolus, nor has it been shown that it is the nucleolar organizer which synthesizes the nucleolars ribonucleic acid.
171
Cell sites of RNA and protein syntheses in the salivary gland of Smittia (Chironomidae).
TL;DR: The uptake of tritiated uridine, leucine and thymidine by salivary cell components of Smiftia appears to be a favourable one for cytochemical work on nuclear RNA's.
83
The induction of new puffing patterns by transplantation of salivary gland nuclei into egg cytoplasma of Drosophila.
TL;DR: Als Kontrolle wird die zweite Speicheldrüse der zur Gewinnung von Kernen benutzten Larven für 3 Std als Ganzes in Ringer-Lösung bzw.
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