Sentence examples for by a positive selection from inspiring English sources

In principle, this difference may be caused by the influence of selection, i.e. by a positive selection of the participants.

In Europe, the gradient of LC T*Pfrequencies could be explained either by a positive selection on this allele or by population history, or both.

In addition, in the mtDNA model, every nuclear resistance gene may aggregate by a positive selection in the predisposed matrilineal pedigrees that succeed to the same pathogenic mitochondrial genome, and may be associated with the disease [55].

The monogenic recessive locus conferring suppressed leaf infectivity and cell-to-cell movement in B149 is allelic to two mutant alleles of lsp1 (lsp1-1 and lsp 1-2) obyained by a positive selection scheme based on the loss of phenotype after infection with TuMV.

For transfection experiments, OPCs were purified from P7 Sprague-Dawley rat brains as described previously [25] and purified by a negative selection on Ran-2 and GalC-coated immunopanning plates followed by a positive selection on O4-antibody coated immunopanning plates.

Purification of lymphoid cells (CD3+ and CD19+), granulocytes (CD66b+) and monocytes (CD14+) from PBMCs was performed by a positive selection of these cells using a magnetic separation kit (EasySep, STEMCELL Technologies, Vancouver, BC, Canada).

These rare cell populations would not have been identified by utilizing a positive selection methodology initially targeting EpCAM.

CD14+ monocytes were isolated from human PBMC by using a positive selection CD14 column according to the manufacturer's protocol (Miltenyi Biotech, Auburn, CA, USA).

The HOLI domain could be accepted by M2a, indicating a positive selection pressure of HOLI domain during the molecular evolution process, whereas the ZnF_C4 domain was rejected.

We also found evidence of bottlenecks characterized by strong purifying selection, after a positive selection episode, suggesting the presence of temporary adaptive peaks in the fitness landscape.

This parameter might also represent a positive selection by the surgeon.