منابع مشابه
Mechanisms of viral emergence
A number of virologic and environmental factors are involved in the emergence and re-emergence of viral disease. Viruses do not conservatively occupy a single and permanent ecological niche. Rather, due to their intrinsic capacity for genetic change, and to the evolvability of fitness levels, viruses display a potential to parasitize alternative host species. Mutation, recombination and genome ...
متن کاملThe Mechanisms of Emergence
This article focuses on emergence in social systems. The author begins by proposing a new tool to explore the mechanisms of social emergence: multi agent–based computer simulation. He then draws on philosophy of mind to develop an account of social emergence that raises potential problems for the methodological individualism of both social mechanism and of multi agent simulation. He then draws ...
متن کاملEmergence and Control of Zoonotic Viral Encephalitides
The viral encephalitides of Eastern, Western, and Venezuelan equine encephalitis viruses have been of public health concern for years. Over the last decade, several outbreaks caused by emerging zoonotic viral encephalitides, such as West Nile virus in North America and Nipah virus in Malaysia and Singapore in 1999, resulted in serious illnesses and deaths in persons, domesticated food animals, ...
متن کاملConvention emergence through spreading mechanisms
In this paper we identify the spreading components required to design convention emergence mechanisms. We have empirically tested the effectiveness of our approach to emerge conventions in scenarios where the space of conventions is large. Moreover, we identify their shortcomings when used for the emergence of stable, global conventions despite unreliable communications (be them because of nois...
متن کاملCellular sensing of viral DNA and viral evasion mechanisms.
Mammalian cells detect foreign DNA introduced as free DNA or as a result of microbial infection, leading to the induction of innate immune responses that block microbial replication and the activation of mechanisms that epigenetically silence the genes encoded by the foreign DNA. A number of DNA sensors localized to a variety of sites within the cell have been identified, and this review focuse...
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ژورنال
عنوان ژورنال: Veterinary Research
سال: 2010
ISSN: 0928-4249,1297-9716
DOI: 10.1051/vetres/2010010