نتایج جستجو برای: ucg

تعداد نتایج: 209  

Journal: :Journal of molecular biology 1976
M C Brandriss J W Stewart F Sherman D Botstein

The SUP-RLl suppressor in the yeast Saccharomyces cerevisiae causes lethality in haploid strains but not in diploid or aneuploid strains that are heterozygous for the suppressor locus. This recessive lethal suppressor acts on amber (UAG) nutritional markers, and can cause the production of approximately 50% of the normal amount of iso-l-cytochrome c in disomic strains that are heterozygous for ...

2010
Thomas O. Olwal Barend J. Van Wyk Karim Djouani Yskandar Hamam Patrick Siarry Ntsibane Ntlatlapa

Multi-Radio Multi-Channel (MRMC) WMNs result in power control problems including interference, un-scalable connectivity and energyconsumption. Several previous studies have focused on the single radio wireless configurations while studying power control problems. However, such contributions can not solve the power control problems in MRMC configurations because of the architectural and structur...

1989
Fred Popowich

INTRODUCTION There is a mind in uni~ca~on-based grammar formalisms towards using a single grammar stmctme to contain the phonological, syntactic and semantic information associated with a linguistic expression. Adopting'the terminology used by Pollard and Sag (1987), this grammar structure is called a sign. Grammar rules, guided by the syntactic information contained in signs, are used to deriv...

2014
Karolina Fučíková Paul O. Lewis Diego González-Halphen Louise A. Lewis

The majority of our knowledge about mitochondrial genomes of Viridiplantae comes from land plants, but much less is known about their green algal relatives. In the green algal order Sphaeropleales (Chlorophyta), only one representative mitochondrial genome is currently available-that of Acutodesmus obliquus. Our study adds nine completely sequenced and three partially sequenced mitochondrial ge...

2009
T. O. Olwal K. Djouani B. J. van Wyk Y. Hamam P. Siarry N. Ntlatlapa

Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in wireless mesh networks (WMNs). In this paper, we present asynchronous multiple-state based power control for MRMC WMNs. First, WMN is represented as a set of disjoint Unified Channel Graphs (UCGs). Second, each network interface card (NIC) or radio assigned to a unique UCG adjusts transmission power using predicted mu...

2009
Thomas O. Olwal Barend J. van Wyk Karim Djouani Yskandar Hamam Patrick Siarry Ntsibane Ntlatlapa

Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in WMNs. Previous studies have emphasized throughput maximization in such systems as the main design challenge and transmission power control treated as a secondary issue. In this paper, we present an autonomous power adaptation for MRMC WMNs. The transmit power is dynamically adapted by each network interface card (NIC)...

Journal: :Journal of immunology 2003
Fernanda Elias Juan Flo Ricardo A Lopez Jorge Zorzopulos Alejandro Montaner Juan M Rodriguez

Synthetic oligodeoxynucleotides (ODNs) containing cytosine-guanosine (CpG) motifs stimulate B and plasmacytoid dendritic cells of the vertebrate immune system. We found that in primates strong stimulation of these cells could also be achieved using certain non-CpG ODNs. The immunostimulatory motif in this case is a sequence with the general formula PyNTTTTGT in which Py is C or T, and N is A, T...

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