نتایج جستجو برای: pdv prune dwarf virus
تعداد نتایج: 417381 فیلتر نتایج به سال:
Many thousands of endoparasitic wasp species are known to inject polydnavirus (PDV) particles into their caterpillar host during oviposition, causing immune and developmental dysfunctions that benefit the wasp larva. PDVs associated with braconid and ichneumonid wasps, bracoviruses and ichnoviruses respectively, both deliver multiple circular dsDNA molecules to the caterpillar. These molecules ...
Hepatic fibrosis is a characteristic feature of chronic liver diseases. It is the result from the excessive deposition of extracellular matrix (ECM) proteins into the liver in response to a number of liver injuries, including chronic ethanol ingestion, viral hepatitis and iron deposition. Hepatic fibrosis has important physiopathologic consequences on the liver function and structure. First, it...
La ecoendoscopia sectorial es una técnica muy segura con una gran precisión diagnóstica no alcanzable por otras exploraciones utilizadas en la estadificación de distintos tumores del tracto digestivo y órganos vecinos. Permite la realización de punción aspiración con aguja fina con obtención de material para estudio histológico, además de facilitar la realización de numerosas maniobras terapéut...
Heterogeneities in transmission among hosts can be very important in shaping infectious disease dynamics. In mammals with strong social organization, such heterogeneities are often structured by functional stage: juveniles, subadults and adults. We investigate the importance of such stage-related heterogeneities in shaping the 2002 phocine distemper virus (PDV) outbreak in the Dutch Wadden Sea,...
We present new and revised data for the phocine distemper virus (PDV) epidemics that resulted in the deaths of more than 23 000 harbour seals Phoca vitulina in 1988 and 30,000 in 2002. On both occasions the epidemics started at the Danish island of Anholt in central Kattegat, and subsequently spread to adjacent colonies in a stepwise fashion. However, this pattern was not maintained throughout ...
Our objective for this study was to determine the pattern of nutrient flux across the portal-drained viscera (PDV) and liver in ewes with varying numbers of fetuses. Catheters were placed in the hepatic portal vein, a branch of the hepatic vein, a mesenteric vein, and the abdominal aorta of ewes. Blood flow and net nutrient release across the PDV and liver were determined before exposure to ram...
Unlike the uniform completion, the Dedekind completion of a vector lattice is not functorial. In order to repair the lack of functoriality of Dedekind completions, we enrich the signature of vector lattices with a proximity relation, thus arriving at the category pdv of proximity Dedekind vector lattices. We prove that the Dedekind completion induces a functor from the category bav of bounded a...
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