منابع مشابه
Drosophila Oogenesis: Generating an Axis of Polarity
New studies of moesin function during Drosophila oogenesis show that Dmoesin tethers actin to the oocyte membrane. Interestingly, Dmoesin and an intact cortex are also required to stabilise ooycte polarity.
متن کاملNew perspectives on mechanisms involved in generating epithelial cell polarity.
Polarized epithelial cells form barriers that separate biological compartments and regulate homeostasis by controlling ion and solute transport between those compartments. Receptors, ion transporters and channels, signal transduction proteins, and cytoskeletal proteins are organized into functionally and structurally distinct domains of the cell surface, termed apical and basolateral, that face...
متن کاملA Language Independent Method for Generating Large Scale Polarity Lexicons
Sentiment Analysis systems aims at detecting opinions and sentiments that are expressed in texts. Many approaches in literature are based on resources that model the prior polarity of words or multi-word expressions, i.e. a polarity lexicon. Such resources are defined by teams of annotators, i.e. a manual annotation is provided to associate emotional or sentiment facets to the lexicon entries. ...
متن کاملGenerating Polarity Lexicons with WordNet propagation in 5 languages
In this paper we focus on the creation of general-purpose (as opposed to domain-specific) polarity lexicons in five languages: French, Italian, Dutch, English and Spanish using WordNet propagation. WordNet propagation is a commonly used method to generate these lexicons as it gives high coverage of general purpose language and the semantically rich WordNets where concepts are organized in synon...
متن کاملSelf-Organized Shuttling: Generating Sharp Dorsoventral Polarity in the Early Drosophila Embryo
Morphogen gradients pattern tissues and organs during development. When morphogen production is spatially restricted, diffusion and degradation are sufficient to generate sharp concentration gradients. It is less clear how sharp gradients can arise within the source of a broadly expressed morphogen. A recent solution relies on localized production of an inhibitor outside the domain of morphogen...
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ژورنال
عنوان ژورنال: Genome Biology
سال: 2003
ISSN: 1465-6906
DOI: 10.1186/gb-spotlight-20030204-01