Look at the size of those pores! Variation in stomatal behavior in Brassica rapa suggests link to circadian clock
2021-07
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Look at the size of those pores! Variation in stomatal behavior in Brassica rapa suggests link to circadian clock
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2021-07
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The circadian clock is an endogenous c. 24 hour timekeeping mechanism which regulates a number of plant processes. Stomata are leaf pores which open and close for water and gas exchange. In this study, I sought to examine whether stomatal behavior is influenced by the clock. To do so, I measured the stomatal aperture of 8 lines of Brassica rapa (B. rapa) with different circadian periods (the time it takes the clock to complete one full oscillation) 1 hour before dawn and 1 hour after dawn over three days. I hypothesized that plants with different periods would differ in mean stomatal aperture at each time point and the amount that aperture changed between the two timepoints. I found that the lines differed in their aperture and change in aperture, though those with similar period length did not necessarily demonstrate similar trends in aperture.
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This research was supported by the Undergraduate Research Opportunities Program (UROP).
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Rquibi, Leila E.. (2021). Look at the size of those pores! Variation in stomatal behavior in Brassica rapa suggests link to circadian clock. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/222602.
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