Example sentences for: over-representation

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

  • "We have said 'yes' to many things which would be countenanced in no other democracy," he said--to "power-sharing with former terrorists" and to "a system of allocating ministries in the proposed Executive which would lead to an over-representation of nationalists."

  • A plausible reason is that SA and ethylene act antagonistically to each other [ 5 ] . The over-representation of the SA-inducible genes in the collection may be correlated with the reduced representation of the ethylene-responsive genes in the stress cDNA collection.

  • Abscisic acid response elements (ABREs) are important during the plant's response to abiotic stresses such as dehydration, salinity and cold, all of which are ABA-mediated [ 82 83 ] . There is evidence that ROS are involved in ABA signaling [ 84 ] . The enrichment of the ABRE motif in the promoter sequences of the genes in the stress cDNA collection may reflect crosstalk among stress signaling pathways mediated by common second messengers, such as H 2 O 2 . The over-representation of the SA-inducible element in the promoter sequences of the genes in the stress cDNA collection, especially those in the SA library, further validates the enrichment of the stressor-specific genes using the SSH technique and suggests that these genes may be regulated by the changes in the levels of SA that occurs in stress responses [ 85 ] .

  • There is evidence that the H-box motif is involved in developmental regulation of flowering, but there is no report of its involvement in stress/defense responses [ 88 89 ] . However, a combination of the H-box motif and the G-box motif has been shown to be important for binding of bZIP transcription factors to rapidly induce defense-related genes [ 47 90 91 ] . The significant over-representation of these two motifs together in the promoter sequences of the stress cDNA collection suggests that combinatorial interactions between these two cis -elements may also be important in the regulation of stress-responsive genes.

  • This approach identified 297 human and 252 mouse UniGene clusters that contained a statistically significant over-representation of incorrectly oriented ESTs.

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