Research Topics
| Colin P OsborneSummaryAffiliation: University of Sheffield Country: UK Publications
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Publications
Evolution of C4 plants: a new hypothesis for an interaction of CO2 and water relations mediated by plant hydraulicsColin P Osborne
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
Philos Trans R Soc Lond B Biol Sci 367:583-600. 2012..The evolution of C(4) photosynthesis therefore simultaneously improved plant carbon and water relations, conferring strong benefits as atmospheric CO(2) declined and ecological demand for water rose...
Low temperature effects on leaf physiology and survivorship in the C3 and C4 subspecies of Alloteropsis semialataColin P Osborne
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
J Exp Bot 59:1743-54. 2008..These results therefore suggest that C(3) members of this subtropical species may gain an advantage over their C(4) counterparts at low temperatures via protection from freezing injury rather than higher photosynthetic rates...
The penalty of a long, hot summer. Photosynthetic acclimation to high CO2 and continuous light in "living fossil" conifersColin P Osborne
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, United Kingdom
Plant Physiol 133:803-12. 2003..Preliminary calculations using A indicated that winter carbon losses through deciduous leaf abscission and respiration were recovered by 10 to 25 d of canopy carbon fixation during summer, thereby explaining the productivity paradox...
Nature's green revolution: the remarkable evolutionary rise of C4 plantsColin P Osborne
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
Philos Trans R Soc Lond B Biol Sci 361:173-94. 2006..We suggest that future research must redress the substantial imbalance between experimental investigations and analyses of the geological record...
Ecological selection pressures for C4 photosynthesis in the grassesColin P Osborne
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
Proc Biol Sci 276:1753-60. 2009..Our analyses warn against evolutionary inferences based solely upon the high occurrence of extant C(4) species in dry habitats, and provide a novel interpretation of this classic ecological association...
Carbon loss by deciduous trees in a CO2-rich ancient polar environmentDana L Royer
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
Nature 424:60-2. 2003..We therefore reject the carbon-loss hypothesis as an explanation for the deciduous nature of polar forests...
Seasonal differences in photosynthesis between the C3 and C4 subspecies of Alloteropsis semialata are offset by frost and droughtDouglas G Ibrahim
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
Plant Cell Environ 31:1038-50. 2008..This study highlights previously unrecognized roles for climatic extremes in determining the ecological success of C(3) and C(4) grasses...
Ecophysiological traits in C3 and C4 grasses: a phylogenetically controlled screening experimentSamuel H Taylor
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
New Phytol 185:780-91. 2010..Phylogenetic bias is therefore a crucial factor to be considered when comparing the ecophysiology of C(3) and C(4) species...
Partitioning the components of relative growth rate: how important is plant size variation?Mark Rees
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, United Kingdom
Am Nat 176:E152-61. 2010....
Water-use responses of 'living fossil' conifers to CO2 enrichment in a simulated Cretaceous polar environmentLaura Llorens
Department of Animal and Plant Sciences, University of Sheffield, Sheffield, UK
Ann Bot 104:179-88. 2009....
A molecular phylogeny of the genus Alloteropsis (Panicoideae, Poaceae) suggests an evolutionary reversion from C4 to C3 photosynthesisDouglas G Ibrahim
Department of Animal and Plant Sciences, University of Sheffield, Sheffield, UK
Ann Bot 103:127-36. 2009..semialata; and (b) infer evolutionary relationships between species within the Alloteropsis genus...
A non-targeted metabolomics approach to quantifying differences in root storage between fast- and slow-growing plantsRebecca R L Atkinson
Department of Animal and Plant Sciences, University of Sheffield, Sheffield, UK
New Phytol 196:200-11. 2012..We conclude that the increased investment in these reserves is an important resource allocation strategy underlying the growth-survival trade-off in plants...
Phylogenetic niche conservatism in C4 grassesHui Liu
Department of Animal and Plant Sciences, University of Sheffield, Sheffield, S10 2TN, UK
Oecologia 170:835-45. 2012....
Consequences of C4 photosynthesis for the partitioning of growth: a test using C3 and C4 subspecies of Alloteropsis semialata under nitrogen-limitationBrad S Ripley
Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
J Exp Bot 59:1705-14. 2008....
Drought constraints on C4 photosynthesis: stomatal and metabolic limitations in C3 and C4 subspecies of Alloteropsis semialataBrad S Ripley
Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
J Exp Bot 58:1351-63. 2007..The mechanism may explain the paradox of why C4 species decline in arid environments despite high water-use efficiency...
