Example sentences for: over-expressing

How can you use “over-expressing” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • The genetic event(s) associated with the selection of a virulent variant of the sagA/pel mutant without changing the site or orientation of the Tn 917 transposon was reminiscent of earlier studies from our laboratory testing the virulence of mga mutants of isolate 64/14 [ 9 ] . In that study, injection of an mga mutant, that failed to express any detectable surface M or M-related protein, lead to selection of mga variants over-expressing M and M-related proteins that could be recovered from the spleen following a lethal skin infection.

  • A partial cDNA clone homologous to AtCOP1 has been previously identified in mammals, containing all three conserved protein-protein interaction domains [ 20 ] . Remarkably, when expressed in plant cells, the mammalian COP1-reporter fusion protein exhibited a light-regulated nuclear localization pattern similar to AtCOP1 [ 20 ] . Although mammalian COP1 failed to rescue the Arabidopsis cop1 mutants, over-expression of the amino-terminal half of mammalian COP1 in Arabidopsis caused a dominant-negative phenotype, resembling the effect of over-expressing the corresponding fragment of AtCOP1 [ 20 21 ] .

  • Construction of σ E-over-expressing strain of M. smegmatis

  • The system also provides powerful controls for genetic background effects, because control (no DOX) and over-expressing (+DOX) flies have identical genetic backgrounds and therefore any differences in life span must be due to DOX administration and gene overexpression.

  • These possibilities could be distinguished by transformation of plasmids from individual clones into the σ E-over-expressing strain and directly comparing of XylE activity in the presence and absence of σ E. Unfortunately, it appears that expression of XylE in M. smegmatis may be detrimental and may lead to plasmid instability and loss of the inserted DNA.


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