The distribution of predicted light-induced stomatal opening levels for single node knockouts.

Each simulated knockout mutant's opening level is expressed as a percentage of the wild type opening level for the corresponding light quality and CO2 condition. ABA is absent in all simulations. The opening levels are binned into 12 ranges, indicated in the header of the table. Each entry indicates the percentage of the 64 knockouts in each opening category. The entry is left blank if no knockout mutant opening level falls in the corresponding range. In the moderate CO2 cases, an average of 77.1% of all single knockouts maintains an opening level that is less than 5% different from wild type opening, with less than 2% displaying major inhibition (≥95%) of opening, demonstrating the robustness of the system against single node losses. Single node-knockouts have a larger impact on stomatal opening under CO2-free air: an average of 69.3% of all single node-knockouts maintains an opening level less than 5% different from wild type opening, while 17.2% of all knockouts result in major inhibition of stomatal opening in all light conditions. Under high CO2 condition, interestingly, all light conditions exhibit identical knockout opening pattern: 95.3% of all single node knockouts display close to wild type opening, and 4.7% display major inhibition.The distribution of predicted light-induced stomatal opening levels for single node knockouts.