Words similar to dominant-negative

Example sentences for: dominant-negative

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In the present study we set out to learn about the biological function of Rab24 by using a well-established paradigm in which a dominant-negative Rab construct is expressed in cultured cells, anticipating that it will suppress the trafficking step(s) mediated by its endogenous counterpart.
Confirmatory studies with other potential dominant-negative mutants, such as those bearing substitutions at the position cognate to Ras S17, were not possible with Rab24, because such mutants remained in the GTP state.
To explore this issue further, we attempted to generate another potential dominant-negative form of Rab24, predicted to be locked in the GDP state.
One gene in this region, slimb , is an interesting candidate because this gene encodes an F-box protein that is part of an SCF complex [ 26 ] [ 29 ] . Several independent alleles of slimb were tested and all enhanced the dominant-negative mCul1 overexpression phenotype (fig.
Previous studies have shown that Rab24 exhibits several unusual characteristics that distinguish it from other members of the Rab GTPase family [ 25 ] . The studies described in this report demonstrate that putative dominant-negative mutant forms of Rab24, bearing single amino acid substitutions in the conserved N(T)KxD nucleotide binding motif ( e.g. , D123I and T120A), are targeted to numerous inclusion bodies that disrupt the nuclear envelope and enter the nuclear compartment.