نتایج جستجو برای: stoned
تعداد نتایج: 131 فیلتر نتایج به سال:
The dicistronic Drosophila stoned gene is involved in exocytosis and/or endocytosis of synaptic vesicles. Mutations in either stonedA or stonedB cause a severe disruption of neurotransmission in fruit flies. Previous studies have shown that the coiled-coil domain of the Stoned-A and the µ-homology domain of the Stoned-B protein can interact with the C2B domain of Synaptotagmin-1. However, very ...
The genetic complementation patterns of both behavioral and lethal alleles at the stoned locus have been characterized. Mosaic analysis of a stoned lethal allele suggests that stoned functions either in the nervous system or in both the nervous system and musculature, but is not required for gross neural development. The behavioral alleles stnts and stnC, appear to be defective in a diametrical...
The dicistronic Drosophila stoned mRNA produces two proteins, stonedA and stonedB, that are localized at nerve terminals. While the stoned locus is required for synaptic-vesicle cycling in neurons, distinct or overlapping synaptic functions of stonedA and stonedB have not been clearly identified. Potential functions of stoned products in nonneuronal cells remain entirely unexplored in vivo. Tra...
The Drosophila stoned locus was identified 25 years ago on the basis of stress-sensitive behavioral mutants (Grigliatti et al., 1973). The locus is dicistronic and encodes two distinct proteins, stoned A and stoned B, which are expressed specifically in presynaptic terminals at central and peripheral synapses. Several stoned mutant alleles cause embryonic lethality, suggesting that these protei...
The Drosophila stoned locus encodes two novel gene products termed stonedA and stonedB, which possess sequence motifs shared by proteins involved in intracellular vesicle traffic. A specific requirement for stoned in the synaptic vesicle cycle has been suggested by synthetic genetic interactions between stoned and shibire, a gene essential for synaptic vesicle recycling (Petrovich et al., 1993)...
Stochastic nonparametric envelopment of data (StoNED) combines the virtues of data envelopment analysis (DEA) and stochastic frontier analysis (SFA) into a unified framework of frontier estimation. StoNED melds the nonparametric piece-wise linear DEA-type frontier with stochastic SFA-type inefficiency and noise terms. We show that the StoNED model can be estimated in the panel data setting in a...
The Drosophila dicistronic stoned locus encodes two distinctive presynaptic proteins, Stoned A (STNA) and Stoned B (STNB); STNA is a novel protein without homology to known synaptic proteins, and STNB contains a domain with homology to the endocytotic protein AP50. Both Stoned proteins colocalize precisely with endocytotic proteins including the AP2 complex and Dynamin in the "lattice network" ...
Synaptic vesicle biogenesis involves the recycling of synaptic vesicle components by clathrin-mediated endocytosis from the presynaptic membrane. stoned B, a protein encoded by the stoned locus in Drosophila melanogaster has been shown to regulate vesicle recycling by interacting with synaptotagmin. We report here the identification and characterization of a human homolog of stoned B (hStnB). H...
The stoned locus of Drosophila melanogaster encodes two novel proteins, stonedA (STNA) and stonedB (STNB), both of which are expressed in the nervous system. Flies with defects at the stoned locus have abnormal behavior and altered synaptic transmission. Genetic interactions, in particular with the shibire (dynamin) mutation, indicated a presynaptic function for stoned and suggested an involvem...
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