Web Access Research Portal

Researcher: McAdam, S (Dr Scott McAdam)

Fields of Research

Plant physiology
Biological adaptation
Ecological physiology
Plant cell and molecular biology
Crop and pasture improvement (incl. selection and breeding)
Horticultural crop improvement (incl. selection and breeding)
Plant developmental and reproductive biology
Crop and pasture biochemistry and physiology

Research Objectives

Expanding knowledge in the biological sciences
Expanding knowledge in the environmental sciences
Terrestrial biodiversity
Other environmental management
Climate change adaptation measures (excl. ecosystem)
Assessment and management of freshwater ecosystems
Native forests
Effects of climate change on Australia (excl. social impacts)
Wine grapes
Terrestrial systems and management
Other plant production and plant primary products
Expanding knowledge in the agricultural, food and veterinary sciences

Career Best Publications

Passive origins of stomatal control in vascular plants; Science

Research Publications

A water availability gradient reveals the deficit level required to affect traits in potted juvenile Eucalyptus globulus; Annals of Botany
Abscisic acid (ABA) and key proteins in its perception and signaling pathways are ancient, but their roles have changed through time; Plant Signaling and Behavior
Abscisic acid controlled sex before transpiration in vascular plants; Proceedings of the National Academy of Sciences
Abscisic acid mediates a divergence in the drought response of two conifers; Plant Physiology
An integrated hydraulic-hormonal model of conifer stomata predicts water stress dynamics; Plant Physiology
Ancestral stomatal control results in a canalization of fern and lycophyte adaptation to drought; New Phytologist
Article addendum. Uprooting an abscisic acid paradigm: shoots are the primary source; Plant Signalling and Behavior
Augmentation of abscisic acid (ABA) levels by drought does not induce short-term stomatal sensitivity to CO2 in two divergent conifer species; Journal of Experimental Botany
Conifer species adapt to low-rainfall climates by following one of two divergent pathways; Proceedings of the National Academy of Sciences
Differences in osmotic adjustment, foliar abscisic acid dynamics, and stomatal regulation between an isohydric and anisohydric woody angiosperm during drought; Plant, Cell and Environment
Does ozone increase ABA levels by non-enzymatic synthesis causing stomata to close?; Plant, Cell and Environment
Evidence that chlorinated auxin is restricted to the Fabaceae but not to the Fabeae; Plant Physiology
Evolution in the smallest valves (stomata) guides even the biggest trees; Tree Physiology
Evolution of stomatal control in vascular plants
Evolution of stomatal responsiveness to CO2 and optimization of water-use efficiency among land plants; New Phytologist
Evolution of the stomatal regulation of plant water content; Plant Physiology
Extended differentiation of veins and stomata is essential for the expansion of large leaves in Rheum rhabarbarum; American Journal of Botany
Fern and lycophyte guard cells do not respond to endogenous abscisic acid; Plant Cell
Gas exchange recovery following natural drought is rapid unless limited by loss of leaf hydraulic conductance: evidence from an evergreen woodland; New Phytologist
Guard cells in fern stomata are connected by plasmodesmata, but control cytosolic Ca2+ levels autonomously; New Phytologist
Hormonal dynamics contributes to divergence in seasonal stomatal behaviour in a monsoonal plant community; Plant, Cell and Environment
Leaves, not roots or floral tissue, are the main site of rapid, external pressure-induced ABA biosynthesis in angiosperms; Journal of Experimental Botany
Linking auxin with photosynthetic rate via leaf venation; Plant Physiology
Linking turgor with ABA biosynthesis: implications for stomatal responses to vapour pressure deficit across land plants; Plant Physiology
Mesophyll cells are the main site of abscisic acid biosynthesis in water-stressed leaves; Plant Physiology
Molecular characterization of a mutation affecting abscisic acid biosynthesis and consequently stomatal responses to humidity in an agriculturally important species; AoB Plants
Passive origins of stomatal control in vascular plants; Science
Physicochemical quantification of abscisic acid levels in plant tissues with an added internal standard by ultra-performance liquid chromatography; Bio-Protocol
Responses to mild water deficit and rewatering differ among secondary metabolites but are similar among provenances within Eucalyptus species; Tree Physiology
Separating active and passive influences on stomatal control of transpiration; Plant Physiology
Shoot-derived abscisic acid promotes root growth; Plant, Cell and Environment
Significant contribution from foliage-derived ABA in regulating gas exchange in Pinus radiata; Tree Physiology
Stomata: the holey grail of plant evolution; American Journal of Botany
Stomatal (mis)behaviour; Tree Physiology: An International Botanical Journal
Stomatal dynamics are limited by leaf hydraulics in ferns and conifers: results from simultaneous measurements of liquid and vapour fluxes in leaves; Plant, Cell and Environment
Stomatal innovation and the rise of seed plants; Ecology Letters
Stomatal responses to vapour pressure deficit are regulated by high speed gene expression in angiosperms; Plant, Cell and Environment
Surviving a dry future: abscisic acid (ABA)-mediated plant mechanisms for conserving water under low humidity; Plants
The evolution of mechanisms driving the stomatal response to vapour pressure deficit; Plant Physiology
The evolving role of abscisic acid in cell function and plant development over geological time; Seminars in Cell and Developmental Biology
The single evolutionary origin of chlorinated auxin provides a phylogenetically informative trait in the Fabaceae; Plant Signaling and Behavior
Unique responsiveness of angiosperm stomata to elevated CO2 explained by calcium signalling; PLoS One
Up-regulation of NCED3 and ABA biosynthesis occur within minutes of a decrease in leaf turgor but AHK1 is not required; Journal of Experimental Botany
Uprooting an abscisic acid paradigm: Shoots are the primary source; Plant Signaling & Behavior
Visual quantification of embolism reveals leaf vulnerability to hydraulic failure; New Phytologist
What are the evolutionary origins of stomatal responses to abscisic acid in land plants?; Journal of Integrative Plant Biology
Xylem and stomata, coordinated through time and space; Plant, Cell and Environment

Research Projects

410 million years of stomatal evolution: key innovations in the transition from passive valves to active pores; Australian Research Council (ARC)
Investigating evolutionary variation in guard cell opening and the consequences for drought adaptation in land plants; University of Tasmania (UTAS)

Research Candidate Supervision

Investigating the Evolutionary Aspects of Water Use Efficiency in Plants in Relation to Salinity and Drought