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The worldwide leaf economics spectrum
TLDR
Reliable quantification of the leaf economics spectrum and its interaction with climate will prove valuable for modelling nutrient fluxes and vegetation boundaries under changing land-use and climate.
Photosynthesis under drought and salt stress: regulation mechanisms from whole plant to cell.
TLDR
It is becoming apparent that plants perceive and respond to drought and salt stresses by quickly altering gene expression in parallel with physiological and biochemical alterations; this occurs even under mild to moderate stress conditions.
Mesophyll conductance to CO2: current knowledge and future prospects.
TLDR
There is now evidence that g(liq) and, in some cases, g(w), are the main determinants of g(m).
Diffusive and metabolic limitations to photosynthesis under drought and salinity in C(3) plants.
TLDR
Reviewing in vitro and in vivo measurements, it is concluded that salt and drought stress predominantly affect diffusion of CO(2) in the leaves through a decrease of stomatal and mesophyll conductances, but not the biochemical capacity to assimilateCO(2), at mild to rather severe stress levels.
Drought-inhibition of photosynthesis in C3 plants: stomatal and non-stomatal limitations revisited.
TLDR
The analysis suggests that stomatal closure is the earliest response to drought and the dominant limitation to photosynthesis at mild to moderate drought, however, in parallel, progressive down-regulation or inhibition of metabolic processes leads to decreased RuBP content, which becomes the dominant limit at severe drought, and thereby inhibits photosynthetic CO2 assimilation.
Regulation of photosynthesis of C3 plants in response to progressive drought: stomatal conductance as a reference parameter.
TLDR
A study with six Mediterranean shrubs revealed that, in spite of some marked interspecific differences, all followed the same pattern of dependence of photosynthetic processes on stomatal conductance, and this pattern was quite similar to that of grapevines.
Keeping a positive carbon balance under adverse conditions: responses of photosynthesis and respiration to water stress
Drought and salinity (i.e. soil water stress) are the main environmental factors limiting photosynthesis and respiration and, consequently, plant growth. This review summarizes the current status of
Rapid variations of mesophyll conductance in response to changes in CO2 concentration around leaves.
TLDR
Transgenic tobacco plants differing in the amounts of aquaporin NtAQP1 showed different slopes of the gm-Ci response, suggesting a possible role for aquaporins in mediating CO2 responsiveness of gm, and the importance of these findings is discussed in terms of their effects on parameterization of AN-CI curves.
Effects of drought on photosynthesis in grapevines under field conditions: an evaluation of stomatal and mesophyll limitations.
TLDR
The apparent carboxylation efficiency and the compensation point for CO2 remained unchanged under severe drought when analysed on a Cc, rather than a Ci, basis, suggesting that previously reported metabolic impairment was probably due to decreased gmes.
Mesophyll conductance to CO 2 : current knowledge and future prospects
TLDR
A revision of current knowledge on mesophyll conductance is presented, and a historical perspective is given, highlighting the founding works and methods, followed by a re-examination of the range of variation of gm among plant species and functional groups.
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