منابع مشابه
The Rea1 Tadpole Loses Its Tail
More than 170 assembly factors aid the construction and maturation of yeast ribosomes. After these factors' functions are completed, they must be released from preribosomes. In this issue, Ulbrich et al. (2009) describe a mechanochemical process through which the AAA ATPase Rea1 induces release of an assembly protein complex from preribosomes.
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The US Federal Circuit court of appeals has dissolved the preliminary injunction that for several years kept bar-nesandnoble.com from offering its Inter-net customers the one-click shopping that Amazon.com offers. The one-click patent, one of the most derided business-method patents, took a heavy thrashing from the Federal Circuit, but it hasn't been knocked out by complete invalidation yet. Th...
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In this issue of Cell, Schindler et al. (2006) show that the Nef protein from nonpathogenic strains of simian immunodeficiency virus (SIV) induces the downregulation of host T cell receptor/CD3, whereas Nef from human immunodeficiency virus (HIV-1) does not. This loss of function in the Nef of HIV-1 may partly explain the pathogenicity of this virus.
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Arvind Panagariya Analytically as well as politically, migration is a more complex phenomenon than international trade. The latter involves two-way flows of goods and services that allow the real aggregate income to grow in each country involved. Therefore, the arguments for protection against imports typically rest on the detrimental effects on the income distribution or the existence of prior...
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ژورنال
عنوان ژورنال: American Journal of Agricultural Economics
سال: 1978
ISSN: 0002-9092,1467-8276
DOI: 10.2307/1240086