COORDINATION OF STOMATAL PHYSIOLOGICAL BEHAVIOR AND MORPHOLOGY WITH CARBON DIOXIDE DETERMINES STOMATAL CONTROL

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dc.authoridHaworth, Matthew/0000-0002-3225-6620
dc.authoridraschi, antonio/0000-0003-1388-5453
dc.contributor.authorHaworth, Matthew
dc.contributor.authorKilli, Dilek
dc.contributor.authorMaterassi, Alessandro
dc.contributor.authorRaschi, Antonio
dc.date.accessioned2025-01-27T21:04:16Z
dc.date.available2025-01-27T21:04:16Z
dc.date.issued2015
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractPremise of the study: Stomatal control is determined by the ability to alter stomatal aperture and/or the number of stomata on the surface of new leaves in response to growth conditions. The development of stomatal control mechanisms to the concentration of CO2 within the atmosphere ([CO2]) is fundamental to our understanding of plant evolutionary history and the prediction of gas exchange responses to future [CO2]. Methods: In a controlled environment, fern and angiosperm species were grown in atmospheres of ambient (400 ppm) and elevated (2000 ppm) [CO2]. Physiological stomatal behavior was compared with the stomatal morphological response to [CO2]. Key results: An increase in [CO2] or darkness induced physiological stomatal responses ranging from reductions (active) to no change (passive) in stomatal conductance. Those species with passive stomatal behavior exhibited pronounced reductions of stomatal density in new foliage when grown in elevated [CO2], whereas species with active stomata showed little morphological response to [CO2]. Analysis of the physiological and morphological stomatal responses of a wider range of species suggests that patterns of stomatal control to [CO2] do not follow a phylogenetic pattern associated with plant evolution. Conclusions: Selective pressures may have driven the development of divergent stomatal control strategies to increased [CO2]. Those species that are able to actively regulate guard cell turgor are more likely to respond to [CO2] through a change in stomatal aperture than stomatal number. We propose a model of stomatal control strategies in response to [CO2] characterized by a trade-off between short-term physiological behavior and longer-term morphological response.
dc.description.sponsorshipEU Marie Curie IEF [2010-275626]
dc.description.sponsorshipMauro Centritto, Giovanni Marino (CNR-IVALSA) and Yasutomo Hoshika (CNR-IPP) are thanked for discussion and critical comments on an earlier draft of this manuscript. Mario Lanini, Alessandro Zaldei and Giacomo Tagliaferri (CNR-IBIMET) are thanked for technical assistance. The comments of two anonymous reviewers and the associate editor significantly improved this manuscript. MH gratefully acknowledges funding from an EU Marie Curie IEF (2010-275626).
dc.identifier.doi10.3732/ajb.1400508
dc.identifier.endpage688
dc.identifier.issn0002-9122
dc.identifier.issn1537-2197
dc.identifier.issue5
dc.identifier.pmid26022482
dc.identifier.scopus2-s2.0-84932158155
dc.identifier.scopusqualityQ1
dc.identifier.startpage677
dc.identifier.urihttps://doi.org/10.3732/ajb.1400508
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27598
dc.identifier.volume102
dc.identifier.wosWOS:000355237800005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofAmerican Journal of Botany
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectstomatal evolution
dc.subjectstomatal behavior
dc.subjectstomatal density
dc.subjectstomatal index
dc.subjectcarbon dioxide
dc.titleCOORDINATION OF STOMATAL PHYSIOLOGICAL BEHAVIOR AND MORPHOLOGY WITH CARBON DIOXIDE DETERMINES STOMATAL CONTROL
dc.typeArticle

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