The article, “Effects of instantaneous and growth CO2 levels and abscisic acid on stomatal and mesophyll conductance” by Yusuke Mizokami, Ko Noguchi, Mikiko Kojima, Hitoshi Sakakibara, and Ichiro Terashima (2017) was a research specific to analyze the trend of the mesophyll conductance changing with different CO2 levels and abscisic acid, abbreviated as ABA. The research was based on the results obtained in 2015 by Mizokami et al. that dealt with mesophyll conductance in drought environments. To understand further about the mesophyll conductance and the stomatal conductance in plants, the new case study was developed. To obtain a more accurate data than from the previous experiment, they included additional factors to consider; such as the relationship between stomatal conductance and the intercellular CO2 concentration (Mizokami et al., 2017). In the past, Mizokami et al. have concluded two points. First, if ABA level increases in a leaf, both mesophyll and stomatal conductance decreases. Secondly, ABA is not responsible for decreasing both conductance because the ABA-deficient plants also decreased both conductance in response to high CO2 levels (Mizokami et al., 2017). With these two points in mind, the new study was carried out to understand the function of mesophyll conductance (Mizokami et al., 2017)
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