نتایج جستجو برای: s selection

تعداد نتایج: 1011236  

2005
D. J. Stehouwer

undifferentiated periphery and immaturity of hindlimb motoneurons. The early appearance of the pattern generator for coordination between the hindlimbs, activation of this pattern generator only during operation of the locomotor program for tail oscillations, and the rigid phase and frequency locking between bursts of primary and hindlimb motoneurons all suggest that the two pattern generators ...

Journal: :Current Biology 1997
D Charlesworth D. S Guttman

The self-incompatibility (S) genes of flowering plants are, with the fungal incompatibility and mammalian major histocompatibility (MHC) loci, among the most highly polymorphic loci known. In Oenothera organensis, for example, 35 alleles have been detected [1] by laborious compatibility tests between plants of this endemic species, the total population size of which may not exceed 5000 [2]. Dif...

2005
Henri Faure

Among the very general scramblings introduced by A. Owen [Owe95], simple and widely used scramblings are obtained by S. Tezuka [Tez94]–[Tez95] by multiplying on the left the upper triangular generator matrices by nonsingular lower triangular (NLT) matrices whose entries are randomly chosen in the set of digits {0, 1, . . . , b − 1} identified to Fb. For these special scramblings we propose to s...

2017
Qiang Su Yina Wang Xiaobing Jiang Fuxue Chen Wen-Cong Lu

BACKGROUND To address the challenging problem of selecting distinguished genes from cancer gene expression datasets, this paper presents a gene subset selection algorithm based on the Kolmogorov-Smirnov (K-S) test and correlation-based feature selection (CFS) principles. The algorithm selects distinguished genes first using the K-S test, and then, it uses CFS to select genes from those selected...

2007
Songnian Chen Shakeeb Khan SONGNIAN CHEN

Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive o...

1999
Joseph E. Cavanaugh

The Akaike information criterion, AIC, is a widely known and extensively used tool for statistical model selection. AIC serves as an asymptotically unbiased estimator of a variant of Kullback's directed divergence between the true model and a tted approximating model. The directed divergence is an asymmetric measure of separation between two statistical models, meaning that an alternate directe...

Journal: :RNA 2002
Peter A C 't Hoen Ruud Out Jan N M Commandeur Nico P E Vermeulen F H D van Batenburg Muthiah Manoharan Theo J C van Berkel Erik A L Biessen Martin K Bijsterbosch

The aim of the present study was to identify functional antisense oligodeoxynucleotides (ODNs) against the rat glutathione S-transferase Mu (GSTM) isoforms, GSTM1 and GSTM2. These antisense ODNs would enable the study of the physiological consequences of GSTM deficiency. Because it has been suggested that the effectiveness of antisense ODNs is dependent on the secondary mRNA structures of their...

Journal: :avicenna journal of medical biotechnology 0

background: saccharomyces boulardii (s. boulardii) is the best known probiotic yeast. the genetic engineering of this probiotic strain requires the availability of appropriate mutants to accept various gene constructs carrying different selection markers. as the auxotrophy selection markers are under focus, we have generated a ura3 auxotroph mutant of s. boulardii for use in further genetic man...

Journal: :journal of advances in computer research 0
fatemeh tavakoli department of computer engineering, aligudarz branch, islamic azad university, aligudarz, iran meisam kamarei university of applied science& technology (uast), tehran ,iran gholam reza asgari department of computer engineering, aligudarz branch, islamic azad university, aligudarz, iran

in this paper, an efficient fault-tolerant routing algorithm for mobile ad-hoc networks (manets) is presented. the proposed algorithm increases the network fault-tolerance using natural redundancy of ad-hoc networks. this algorithm is carried out in two stages; 1) the selection of backup nodes 2) the selection of backup route(s). in the first stage, the proposed algorithm chooses nodes with the...

Journal: :journal of plant molecular breeding 2014
saumya awasthi jai prakash lal

literatures have reported that a lot of drought related genes were cloned and individual gene showed positive effects under controlled stress experiments, but were not much effective in the field. although, the progresses by conventional breeding approaches were achievable as some drought varieties have been released to the farmers in the recent years but this is not adequate to cope up with th...

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