Results 241 to 250 of about 5,230,574 (296)

SMAD4 mutations causing Myhre syndrome are under positive selection in the male germline. [PDF]

open access: yesAm J Hum Genet
Wood KA   +23 more
europepmc   +1 more source

Author Correction: Positive selection underlies repeated knockout of ORF8 in SARS-CoV-2 evolution. [PDF]

open access: yesNat Commun
Wagner C   +13 more
europepmc   +1 more source

Longitudinal change in mitochondrial heteroplasmy exhibits positive selection for deleterious variants

open access: yes
Kuiper LM   +15 more
europepmc   +1 more source

Position-Selected Molecular Ruler

open access: yesPosition-Selected Molecular Ruler
openaire  

Positive Selection of Thymocytes

Annual Review of Immunology, 1995
Differentiation of αβ T cell receptor (TCR)-expressing T cells involves an obligatory interaction with self-major histocompatibility complex (MHC) molecules in the thymus. This process, called positive selection, both rescues thymocytes from programmed cell death and induces their differentiation into mature T cells.
P J, Fink, M J, Bevan
exaly   +7 more sources

Positive Selection Vectors

Critical Reviews in Biotechnology, 2002
This review describes information concerning positive selection vectors on their mechanism, classification, property, and limitation. A total of 72 positive selection vectors collected were discussed. Positive selection vectors can reduce background and directly screen transformants containing cloned DNA fragments.
Young-Jun, Choi   +2 more
openaire   +2 more sources

Positive Selection

2004
The use of a new mode of selection-positive selection-has been demonstrated to be successful in a large variety of monocot and dicot species. This selection differs from more traditional modes of selection in which compounds such as antibiotics or herbicides are used to kill nontransformed cells (negative selection).
Allan, Wenck, Geneviève, Hansen
openaire   +2 more sources

Positive Selection

Science Signaling, 2012
Voltage-gated sodium channels enhance Ca 2+ influx in response to nonself ligands and promote the development of CD4 + T cells.
openaire   +2 more sources

Raf regulates positive selection

European Journal of Immunology, 1996
AbstractT cell development is regulated by extracellular signals that mediate cellular proliferation and differentiation via specific signal transduction pathways. To determine the importance of the mitogen‐activated protein kinase (MAP kinase) pathway in thymocyte development, we analyzed transgenic mice expressing dominant negative Raf (DN Raf) and a
C C, O'Shea   +4 more
openaire   +2 more sources

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