Abstract:
:When an arbovirus enters an arthropod in an infected blood meal, several mechanisms may interact to affect its life cycle and ultimate transmissibility. Intrinsic absolute failure in the establishment of infection must be contrasted with infection that is successfully established but is variably modulated in its viral yield throughout the vector's life-span. Degrees of vertebrate host resistance make this modulation a central factor in determining whether an arthropod is an important vector in nature; moreover, human intervention that affects modulating mechanisms may become a basis for disease control. In the absence of evidence of real immune resistance to arbovirus infections in arthropods, other more primitive modulating mechanisms must be considered: interferonlike substances may be formed in arthropod cells; arthropod cells may "cure" themselves by a unique endophagocytic digestion of their virus burden; homologous interference with viral replicative processes may be mediated via wild or mutant viral RNA species acting to shut down further RNA synthesis; and homologous interference may be mediated by RNA of defective-interfering virus formed earlier in infection.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Murphy FAdoi
10.1111/j.1749-6632.1975.tb35101.xsubject
Has Abstractpub_date
1975-01-01 00:00:00pages
197-203eissn
0077-8923issn
1749-6632journal_volume
266pub_type
杂志文章,评审abstract::The molecular architecture of biological systems is heavily influenced by the highly polar interactions of water. Thus, macromolecules such as proteins that are highly water soluble must be electrically polar. Energy generation methods needed to support cell metabolic processes depend on compartmentalizing mobile ions...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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更新日期:1983-01-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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更新日期:1994-02-18 00:00:00
abstract::Adult animals that had been subjected to a single prolonged episode of maternal deprivation (MD) [24 h, postnatal day (PND) 9-10] show long-term behavioral alterations that resemble specific symptoms of schizophrenia. Moreover, at adolescence MD rats showed depressive-like behavior and altered motor responses. Accordi...
journal_title:Annals of the New York Academy of Sciences
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更新日期:2009-02-01 00:00:00
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journal_title:Annals of the New York Academy of Sciences
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更新日期:2006-12-01 00:00:00