Lesson plan

C-Repeat Binding Factor

C-Repeat Binding Factors (CBFs) are transcription factors in plants involved in response to low temperature. Also known as Dehydration Response Element Binding factors (DREBs), they are a subfamily of AP2 DNA-binding domain transcription factors. Mutation studies on CBF genes in Arabidopsis thaliana have shown significant effects on sensitivity to both freezing and salinity.

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Article summary

C-Repeat Binding Factors (CBFs) are transcription factors in plants involved in response to low temperature. Also known as Dehydration Response Element Binding factors (DREBs), they are a subfamily of AP2 DNA-binding domain transcription factors. Mutation studies on CBF genes in Arabidopsis thaliana have shown significant effects on sensitivity to both freezing and salinity.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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