Zobrazeno 1 - 10
of 48
pro vyhledávání: '"H.D. Berendes"'
Publikováno v:
Experimental Cell Research. 85:383-390
The effect of different denaturation and hybridization procedures on the efficiency of in situ 3 H-cRNA hybridization with DNA in the polytene chromosomes of Drosophila hydei was investigated. Denaturation of the DNA in the squash preparations with 9
Publikováno v:
Molecular and Cellular Endocrinology. 1:249-257
A comparison of the activity of chromosome region 4–78B (puff size) following β-ecdysone injection into nuclei or cytoplasm of larval salivary glands of Drosophila hydei revealed that direct injection of the hormone into the nucleus resulted in a
Autor:
H.D. Berendes
Publikováno v:
Developmental Biology. 11:371-384
The puffing patterns of 116 puffs occurring both in salivary glands and stomach were compared at a stage from 10 to 6 hours before puparium formation: 61.2% of the puffs did not show significant differences in activity between the two tissues; 6.0% o
Publikováno v:
Journal of Insect Physiology. 17:1717-1729
In normal development a complex pattern of changes in the submicroscopic structure of Drosophila hydei salivary gland cells occurs in relation to the onset of secretory activity of these cells prior to puparium formation. The major changes involved i
Publikováno v:
Experimental Cell Research. 63:159-164
The specific action of the steroid ecdysterone, a hydroxylated derivative of the insect molting hormone ecdysone, on the activity of certain genes is enhanced by cyclic AMP. The interaction of cyclic AMP with the steroid effect on genome activity was
Autor:
H.D. Berendes, E. Willart
Publikováno v:
Journal of Insect Physiology. 17:2337-2350
Following a natural or experimentally produced rise in moulting hormone titre, Malpighian tubule cells of Drosophila hydei display a change in the chromosomal puffing pattern similar to that observed in salivary gland cells. Following this change in
Autor:
F.M. Butterworth, H.D. Berendes
Publikováno v:
Journal of insect physiology. 20(11)
An α-ecdysone-binding protein fraction, approx. mol. wt. 120,000, has been demonstrated in haemolymph of Drosophila hydei late third instar larvae. The protein has been partly characterized by Sephadex G-25 filtration, hydroxylapatite chromatography
Autor:
H.D. Berendes, Francisco Lara
Publikováno v:
Chromosoma. 50
Injection of beta-ecdysone into mid fourth instar larvae of Rhynchosciara americana induced within 23-28 hours after injection a rise in the percentage of 3H-thymidine (3H-TdR) incorporating nuclei in salivary gland region S1 from about 10-20% in the
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