Sema, semántica, semiótica, semiología, cultura
نویسندگان
چکیده
منابع مشابه
Neuropilin-2, a Novel Member of the Neuropilin Family, Is a High Affinity Receptor for the Semaphorins Sema E and Sema IV but Not Sema III
Semaphorins are a large family of secreted and transmembrane proteins, several of which are implicated in repulsive axon guidance. Neuropilin (neuropilin-1) was recently identified as a receptor for Collapsin-1/Semaphorin III/D (Sema III). We report the identification of a related protein, neuropilin-2, whose mRNA is expressed by developing neurons in a pattern largely, though not completely, n...
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Here we study the deformations of associative submanifolds inside a G 2 manifold M 7 with a calibration 3-form ϕ. A choice of 2-plane field Λ on M (which always exits) splits the tangent bundle of M as a direct sum of a 3-dimensional associate bundle and a complex 4-plane bundle T M = E ⊕ V, and this helps us to relate the deformations to Seiberg-Witten type equations. Here all the surveyed res...
متن کاملPlexinA1 Autoinhibition by the Plexin Sema Domain
Semaphorin 3A (Sema3A) binds to neuropilin-1 (NP1) and activates the transmembrane Plexin to transduce a repulsive axon guidance signal. Here, we show that Sema3 signals are transduced equally effectively by PlexinA1 or PlexinA2, but not by PlexinA3. Deletion analysis of the PlexinA1 ectodomain demonstrates that the sema domain prevents PlexinA1 activation in the basal state. Sema-deleted Plexi...
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We present a tool, called 3LB-SAT, for the semantic tagging of multilingual corpora. Main features of this tool are that it is word-oriented, allows different formats for input corpus (TBF format, PenTreebank Bracketted Format and XML) and uses EuroWordnet for searching the word sense in four languages.
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price stated], (paperback). The general theme of this volume is rather difficult to discern. According to the title it attempts to link science, occult beliefs, and various levels of culture. It is divided into seven sections of unequal length containing a total of twenty-three papers (thirteen in Italian, seven in English, three in French), ranging over many aspects of early modern culture. Wh...
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ژورنال
عنوان ژورنال: Revista Mexicana de Ciencias Políticas y Sociales
سال: 2013
ISSN: 2448-492X,0185-1918
DOI: 10.22201/fcpys.2448492xe.2003.187.42401