{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Kolbe AR"],"funding":["U.S. Department of Energy","Biological and Environmental Research","National Institute of Food and Agriculture"],"pagination":["138"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6377783"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["20(1)"],"pubmed_abstract":["<h4>Background</h4>Carbonic anhydrase (CA) catalyzes the hydration of CO<sub>2</sub> in the first biochemical step of C<sub>4</sub> photosynthesis, and has been considered a potentially rate-limiting step when CO<sub>2</sub> availability within a leaf is low. Previous work in Zea mays (maize) with a double knockout of the two highest-expressed β-CA genes, CA1 and CA2, reduced total leaf CA activity to less than 3% of wild-type. Surprisingly, this did not limit photosynthesis in maize at ambient or higher CO<sub>2</sub>concentrations. However, the ca1ca2 mutants exhibited reduced rates of photosynthesis at sub-ambient CO<sub>2</sub>, and accumulated less biomass when grown under sub-ambient CO<sub>2</sub> (9.2 Pa). To further clarify the importance of CA for C<sub>4</sub> photosynthesis, we"],"journal":["BMC genomics"],"pubmed_title":["Insights from transcriptome profiling on the non-photosynthetic and stomatal signaling response of maize carbonic anhydrase mutants to low CO<sub>2</sub>."],"pmcid":["PMC6377783"],"funding_grant_id":["DE-SC0008769","2017-67011-26024","DE-FG02-12ER16337"],"pubmed_authors":["Studer AJ","Cousins AB","Kolbe AR","Cornejo OE"],"additional_accession":[]},"is_claimable":false,"name":"Insights from transcriptome profiling on the non-photosynthetic and stomatal signaling response of maize carbonic anhydrase mutants to low CO<sub>2</sub>.","description":"<h4>Background</h4>Carbonic anhydrase (CA) catalyzes the hydration of CO<sub>2</sub> in the first biochemical step of C<sub>4</sub> photosynthesis, and has been considered a potentially rate-limiting step when CO<sub>2</sub> availability within a leaf is low. Previous work in Zea mays (maize) with a double knockout of the two highest-expressed β-CA genes, CA1 and CA2, reduced total leaf CA activity to less than 3% of wild-type. Surprisingly, this did not limit photosynthesis in maize at ambient or higher CO<sub>2</sub>concentrations. However, the ca1ca2 mutants exhibited reduced rates of photosynthesis at sub-ambient CO<sub>2</sub>, and accumulated less biomass when grown under sub-ambient CO<sub>2</sub> (9.2 Pa). To further clarify the importance of CA for C<sub>4</sub> photosynthesis, we","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Feb","modification":"2026-05-01T10:21:05.992Z","creation":"2019-06-06T20:52:34Z"},"accession":"S-EPMC6377783","cross_references":{"pubmed":["30767781"],"doi":["10.1186/s12864-019-5522-7"]}}