Pete and the Missing Scissors: a primary literature-focused case study that highlights the impact of SARS-CoV-2 on splicing

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  • Harrington, Meagan
    • Affiliation: College of Arts and Sciences, Department of Biology
  • Lane, April
    • Affiliation: College of Arts and Sciences, Department of Biology
  • Yencha, Caroline
    • Affiliation: College of Arts and Sciences, Department of Biology
  • Kelly-Rajan, Kiran
    • Affiliation: College of Arts and Sciences, Department of Biology
  • Ott, Laura E.
    • Affiliation: College of Arts and Sciences, Department of Biology
Abstract
  • This case study was designed to help students explore the molecular mechanisms of the spliceosome and how SARS-CoV-2 impacts host cell spliceosomal function while interpreting figures from primary literature (A. K. Banjeree, et al., Cell 183:1325–1339, e1–e10, 2020, https://doi.org/10.1016/j.cell.2020.10.004). “Pete and the Missing Scissors” was designed and implemented in the spring of 2022 and fall of 2022 in two large-enrollment (150+) introductory molecular biology courses at a large, public research institution. The case study was formatted in alignment with the National Center for Case Study Teaching in Science (NCCSTS) framework, which has been shown to be an effective, student-centered approach to teaching complex biological concepts at the undergraduate level. The case study had four student learning objectives (SLOs) that aligned with Bloom’s Revised Taxonomy and required students to develop an understanding of the molecular mechanisms of splicing and analyze and interpret a figure from primary literature. Both formative and summative assessment questions are included in this activity, with each question mapping to one of the case study SLOs. Summative assessment questions were given in a pre-/post-manner, and a paired t-test was used to evaluate differences between students’ pre- and post-assessment scores. Assessment results demonstrated that students in both courses mastered each of the SLOs of this case study, given the significant increase in post-assessment scores compared to the pre-assessment. These findings indicate that the “Pete and the Missing Scissors” case study is an effective approach to develop students’ understanding of the spliceosome, as well as ability to interpret figures from primary literature.
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  • Article
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  • In Copyright
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  • Attribution-NonCommercial-NoDerivs 4.0 International
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  • Journal of Microbiology & Biology Education
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  • 24
Journal issue
  • 3
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  • e00123-23
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  • English
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