Multiple forms of dynamin are encoded by shibire, a Drosophila gene involved in endocytosis

Dynamin was discovered in bovine brain tissue as a nucleotide-sensitive microtubule-binding protein of relative molecular mass 100,000. It was found to cross-link microtubules into highly ordered bundles, and appeared to have a role in intermicrotubule sliding in vitro. Cloning and sequencing of rat...

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Veröffentlicht in:Nature (London) 1991-06, Vol.351 (6327), p.583-588
Hauptverfasser: Chen, M.S, Obar, R.A, Schroeder, C.C, Austin, T.W, Poodry, C.A, Wadsworth, S.C, Vallee, R.B
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container_issue 6327
container_start_page 583
container_title Nature (London)
container_volume 351
creator Chen, M.S
Obar, R.A
Schroeder, C.C
Austin, T.W
Poodry, C.A
Wadsworth, S.C
Vallee, R.B
description Dynamin was discovered in bovine brain tissue as a nucleotide-sensitive microtubule-binding protein of relative molecular mass 100,000. It was found to cross-link microtubules into highly ordered bundles, and appeared to have a role in intermicrotubule sliding in vitro. Cloning and sequencing of rat brain dynamin complementary DNA identified an N-terminal region of about 300 amino acids which contained the three consensus elements characteristic of GTP-binding proteins. Extensive homology was found between this domain and the mammalian Mx proteins which are involved in interferon-induced viral resistance, and with the product of the VPS1 locus in Saccharomyces cerevisiae, which has been implicated both in membrane protein sorting, and in meiotic spindle pole separation. Dynamin-containing microtubule bundles were not observed in an immunofluorescence study of cultured mammalian cells, but a role for a GTP-requiring protein in intermicrotubule sliding during mitosis in plants has been reported. We report here that Drosophila melanogaster contains multiple tissue-specific and developmentally-regulated forms of dynamin, which are products of the shibire locus previously implicated in endocytic protein sorting.
doi_str_mv 10.1038/351583a0
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subjects Amino Acid Sequence
amino acid sequences
Amino acids
Animals
Biological and medical sciences
Blotting, Northern
Blotting, Western
Ca(2+) Mg(2+)-ATPase - genetics
Ca(2+) Mg(2+)-ATPase - immunology
Cellular biology
clones
Cloning
Cloning, Molecular
Cross Reactions
DNA
DNA - genetics
Drosophila melanogaster
Drosophila melanogaster - genetics
Drosophila Proteins
Dynamins
Endocytosis
Fundamental and applied biological sciences. Psychology
Gene expression
Genes
Mammals
Molecular and cellular biology
Molecular genetics
Molecular Sequence Data
Nucleic Acid Hybridization
polypeptides
Proteins
Rats
RNA
title Multiple forms of dynamin are encoded by shibire, a Drosophila gene involved in endocytosis
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