W. Robe

Publications11
h-index9
Citations312
Highly Influential Citations24
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Leaf succulence determines the interplay between carboxylase systems and light use during Crassulacean acid metabolism in Kalanchöe species.
TLDR
Leaf morphology seems to alter the expression of and dependence on CAM, but also the extent of co-regulation of carboxylase networks and light use capacity.
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Regulation of Rubisco activity in crassulacean acid metabolism plants: better late than never.
TLDR
The plasticity in expression of the CAM cycle is matched by the regulation of key carboxylases, with extractable Rubisco activity maximal when drawdown of atmospheric CO2 to cells in succulent CAM tissues is most likely to limit photon utilization shortly after midday, during Phase IV.
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Physiological and photosynthetic plasticity in the amphibious, freshwater plant, Littorella uniflora, during the transition from aquatic to dry terrestrial environments
TLDR
Overall, L. uniflora showed considerable phenotypic plasticity, yet seemed to remain poised for resubmersion; these characteristics could be adaptive in the unpredictable water margin habitat.
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Adaptations for an amphibious life: changes in leaf morphology, growth rate, carbon and nitrogen investment, and reproduction during adjustment to emersion by the freshwater macrophyte Littorella…
TLDR
The combination of continuous, submersed vegetative spread with the capacity for a high degree of phenotypic plasticity allowing some flower and seed production to occur during brief periods of emersion seems to account for the success of this plant in the amphibious niche.
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Photosynthesis of Littorella uniflora grown under two PAR regimes: C3 and CAM gas exchange and the regulation of internal CO2 and O2 concentrations
TLDR
PAR rather than CO2 supply appeared to limit photosynthesis even in high PAR grown plants, and CAM appears to have an important role in the regulation ofCO2 supply for photosynthesis in response to variation in light regime.
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Seasonal variation in the ecophysiology of Littorella uniflora (L.) Ascherson in acidic and eutrophic habitats
TLDR
The environment was more favourable for plant growth at Esthwaite Water (the eutrophic site) than at Red Tarn (acidic) and the relationships between environmental conditions and plant performance at the two sites are discussed in the context of the disappearance of L. uniflora from acidic and eUTrophic sites in N. Europe in recent years.
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The impact of NOinf3sup− loading on the freshwater macrophyte Littorella uniflora: N utilization strategy in a slow-growing species from oligotrophic habitats
TLDR
The findings suggest that L. uniflora is not growth limited by low NOinf3sup−supply in natural oligotophic habitats, due not to an efficient photosynthetic nitrogen use but to a slow growth rate, a low N requirement and to the use of storage to avoid N stress.
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Turning the land green: Inferring photosynthetic physiology and diffusive limitations in early bryophytes
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Nitrogen partitioning and assimilation : methods for the extraction, separation and mass spectrometric analysis of nitrate, amino acid and soluble protein pools from individual plants following 15N…
A simple procedure is described for the separation of nitrate, amino acid and soluble protein pools in small volumes of plant extract. Recent developments in mass spectrometry and automated, on-line…
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C3 and CAM Photosynthetic Characteristics of the Submerged Aquatic Macrophyte Littorella uniflora: Regulation of Leaf Internal CO2 Supply in Response to Variation in Rooting Substrate Inorganic…
TLDR
Plants obtained from Esthwaite Water or a local reservoir were obtained, with the latter plants transplanted into a range of sediment types to alter C02 supply around the roots to evaluate diffusion limitation and select a suitable size for comparative studies of photosynthetic 02 evolution.
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