Search Results - "Turpin, D.H"

Water stress decreases the transfer conductance of Douglas-fir (Pseudotsuga menziesii) seedlings by Warren, C.R, Livingston, N.J, Turpin, D.H

“…We tested the hypothesis that transfer conductance (gi) of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings is reduced by water stress. Seedlings…”
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Growth and photosynthesis of the cyanobacterium Synechococcus leopoliensis in HCO3- [bicarbonate]-limited chemostats [Algae, inorganic carbon content] by Miller, A.G, Turpin, D.H, Canvin, D.T

“…Synechococcus leopoliensis was grown in HCO3 --limited chemostats. Growth at 50% the maximum rate occurred when the inorganic carbon concentration was 10 to 15…”
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Photosynthetic responses and N allocation in Douglas-fir needles following a brief pulse of nutrients by Warren, C.R, Livingston, N.J, Turpin, D.H

“…The temporal distribution of soil nutrients is heterogeneous, and thus the uptake, storage and later remobilization of brief nutrient pulses may be critical…”
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Assessment of atmospheric heavy metals by moss monitoring wih Isothecium stoloniferum Brid. in the Fraser Valley, B.C., Canada by Pott, U, Turpin, D.H

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Purification and characterization of high- and low-molecular-mass isoforms of phosphoenolpyruvate carboxylase from Chlamydomonas reinhardtii. Kinetic, structural immunological evidence that the green algal enzyme is distinct from the prokaryotic and higher plant enzymes by Rivoal, J, Plaxton, W.C, Turpin, D.H

“…Phosphoenolpyruvate carboxylase (PEPC) is a key enzyme in the supply of carbon skeletons for the assimilation of nitrogen by green algae. Two PEPC isoforms…”
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Interactions between photosynthesis and respiration in the green alga Chlamydomonas reinhardtii. Characterization of light-enhanced dark respiration by Xue, X. (University of Regina, Regina, Saskatchewan, Canada.), Gauthier, D.A, Turpin, D.H, Weger, H.G

“…The rate of respiratory O2 consumption by Chlamydomonas reinhardtii cell suspensions was greater after a period of photosynthesis than in the preceding dark…”
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Malate- and pyruvate-dependent fatty acid synthesis in leucoplasts from developing castor endosperm by Smith, Ronald G., Gauthier, David A., Dennis, David T., Turpin, David H.

“…Leucoplasts were isolated from the endosperm of developing castor (Ricinis communis) endosperm using a discontinuous Percoll gradient. The rate of fatty acid…”
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In vitro phosphorylation of phosphoenolpyruvate carboxylase from the green alga Selenastrum minutum by Rivoal, J. (University of Manitoba, Winnipeg (Canada)), Turpin, D.H, Plaxton, W.C

“…Previously, we described two distinct classes of phosphoenolpyruvate carboxylase (PEPC) isoforms in the green alga Selenastrum minutum. Class 1 PEPC (PEPC1) is…”
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Biodiversity and the need for habitat renewal by Sinclair, A. R. E., Hik, D. S., Schmitz, O. J., Scudder, G. G. E., Turpin, D. H., Larter, N. C.

“…The conservation of species requires preservation of natural habitats. Where the integrity of natural habitats has been upset, species go extinct. All natural…”
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In vivo and in vitro studies of glucose-6-phosphate dehydrogenase from barley root plastids in relation to reductant supply for NO2- assimilation by Wright, D.P, Huppe, H.C, Turpin, D.H

“…Pyridine nucleotide pools were measured in intact plastics from roots of barley (Hordeum vulgare L.) during the onset of NO2(-) assimilation and compared with…”
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In vitro reconstitution of electron transport from glucose-6-phosphate and NADPH to nitrate by Jin, T. (Queen's University, Kingston, Ontario, Canada.), Huppe, H.C, Turpin, D.H

“…An NADPH-dependent NO2--reducing system was reconstituted in vitro using ferredoxin (Fd) NADP+ oxidoreductase (FNR), Fd, and nitrite reductase (NiR) from the…”
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Effects of phosphorus limitation on respiratory metabolism in the green alga Selenastrum minutum by THEODOROU, M. E, ELRIFI, I. R, TURPIN, D. H, PLAXTON, W. C

“…The effects of phosphorus nutrition on several physiological and biochemical parameters of the green alga, Selenastrum minutum, have been examined. Algal cells…”
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Responses of gas exchange to reversible changes in whole-plant transpiration rate in two conifer species by Warren, C.R, Livingston, N.J, Turpin, D.H

“…This study examined the autonomy of branches with respect to the control of transpiration (E) in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) and western…”
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Respiratory Losses in the Light in a Marine Diatom: Measurements by Short-Term Mass Spectrometry by Weger, Harold G., Herzig, Ronny, Falkowski, Paul G., Turpin, David H.

“…Mass spectrometric analysis of gas exchange by the diatom Thalassiosira weisflogii grown under 12:12 L/D cycles indicates that mitochondrial respiration is…”
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Inorganic phosphate (Pi) enhancement of dark respiration in the Pi-limited green alga Selenastrum minutum. Interactions between H+/Pi cotransport, the plasmalemma H+-ATPase, and dark respiratory carbon flow by Gauthier, D.A, Turpin, D.H

“…Inorganic phosphate (Pi) enrichment of the Pi-limited green alga Selenastrum minutum in the dark caused a 2.5-fold increase in the rate of O2 consumption…”
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dr and spr/sr mutations of Chlamydomonas reinhardtii affecting D1 protein function and synthesis define two independent steps leading to chronic photoinhibition and confer differential fitness by Heifetz, P.B, Lers, A, Turpin, D.H, Gillham, N.W, Boynton, J.E, Osmond, C.B

“…The effects of introduced chloroplast gene mutations affecting D1 synthesis, turnover and function on photosynthesis, growth and competitive ability were…”
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Relationship between NH4(+1) assimilation rate and in vivo phosphoenolpyruvate carboxylase activity. Regulation of anaplerotic carbon flow in the green alga Selenastrum minutum by VANLERBERGHE, G. C, SCHULLER, K. A, SMITH, R. G, FEIL, R, PLAXTON, W. C, TURPIN, D. H

“…The rate of NH4+ assimilation by N-limited Selenastrum minutum (Naeg.) Collins cells in the dark was set as an independent variable and the relationship…”
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Regulation of phosphoenolpyruvate carboxylase from the green alga Selenastrum minutum. Properties associated with replenishment of tricarboxylic acid cycle intermediates during ammonium assimilation by Schuller, K.A. (Queen's University Kingston, Ontario, Canada), Plaxton, W.C, Turpin, D.H

“…Two isoforms of phosphoenolpyruvate carboxylase (PEPC) with very different regulatory properties were partially purified from the green alga Selenastrum…”
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Appearance of novel glucose-6-phosphate dehydrogenase isoforms in Chlamydomonas reinhardtii during growth on nitrate by Huppe, H.C. (Queen's University, Kingston, Ontario, Canada.), Turpin, D.H

“…Extractable glucose-6-phosphate dehydrogenase activity is higher from N-limited Chlamydomonas reinhardtii cells than from N-sufficient cells. Native gels…”
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Mitochondrial respiration can support NO3- and NO2- reduction during photosynthesis. Interactions between photosynthesis, respiration, and N assimilation in the N-limited green alga Selenastrum minutum by Weger, H.G, Turpin, D.H

“…Mass spectrometric analysis shows that assimilation of inorganic nitrogen (NH4+, NO2-, NO3-) by N-limited cells of Selenastrum minutum (Naeg.) Collins results…”
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