منابع مشابه
Walleye and Northern Pike
Introductions of nonnative walleye (Stizostedion vitreum) and northern pike (Esox lucius) have created popular recreational fisheries in many Northwestern waters. Rising demand for expanded angling opportunities for these species, especially walleye, has been met with growing concern about longterm risks associated with the introduction of a top predator. Proposed introductions are often contro...
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PIKE (PI 3-Kinase Enhancer) is a recently identified brain specific nuclear GTPase, which binds PI 3-kinase and stimulates its lipid kinase activity. Nerve growth factor treatment leads to PIKE activation by triggering the nuclear translocation of phospholipase C-gamma1 (PLC-gamma1), which acts as a physiologic guanine nucleotide exchange factor (GEF) for PIKE through its SH3 domain. To date, t...
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We present an experimental and numerical study of a complex flow that develops upon impulsive (shock) acceleration of a compressible multiphase medium. In the initial conditions, both diffuse density interfaces (gas-gas) and sharp density interfaces (gas-fluid) are present, with the fluid phase embedded within the gas in the form of small droplets. Our initial experiments failed to reveal some ...
متن کاملSize selective predation of pike on whitefish
The mechanisms behind speciation have been subject of debate for centuries. The presence of resource polymorphism has been discovered to play a significant part in this process, and has been proven to induce phenotypic and genetic divergence. Although resource polymorphism has been intensely studied during the last few decades, there is a gap of information as to why this can be observed in som...
متن کاملIsolation of an iridovirus from pike-perch Stizostedion lucioperca.
We have isolated a large virus from pike-perch Stizostedion lucioperca fingerlings with no signs of disease. The biochemical structural, and serological properties of this newly isolated virus suggest that it belongs to the family Iridoviridae. The virus multiplied and was cytopathogenic in several cultured fish cell lines. The virus has a DNA-containing genome and is assembled in the cytoplasm...
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ژورنال
عنوان ژورنال: Cell
سال: 2000
ISSN: 0092-8674
DOI: 10.1016/s0092-8674(00)00195-1