Search Results - "Siddiqi, M.Y."

Synthesis and characterization of Ni(II), Cu(II) and Co(III) complexes with polyamine-containing macrocycles bearing an aminoethyl pendant arm by Rafat Fouzia, Siddiqi M.Y., Siddiqi K.S.

“…Reaction of [M(ppn)2]X2 (where M = Cu(II), Ni(II), Co(II) and ppn = 1,3-diaminopropane) with formaldehyde and ethylenediamine in methanol results in the ready…”
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The regulation of nitrate and ammonium transport systems in plants by Glass, Anthony D.M., Britto, Dev T., Kaiser, Brent N., Kinghorn, James R., Kronzucker, Herbert J., Kumar, Anshuman, Okamoto, Mamoru, Rawat, Suman, Siddiqi, M.Y., Unkles, Shiela E., Vidmar, Joseph J.

“…Inorganic nitrogen concentrations in soil solutions vary across several orders of magnitude among different soils and as a result of seasonal changes. In order…”
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Nitrate-ammonium synergism in rice. A subcellular flux analysis by Kronzucker, H.J, Siddiqi, M.Y, Glass, A.D.M, Kirk, G.J.D

“…Many reports have shown that plant growth and yield is superior on mixtures of NO(3)(-) and NH(4)(+) compared with provision of either N source alone. Despite…”
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Comparative kinetic analysis of ammonium and nitrate acquisition by tropical lowland rice: implications for rice cultivation and yield potential by KRONZUCKER, H. J., GLASS, A. D. M., SIDDIQI, M. Y., KIRK, G. J. D.

“…Nitrogen limitation compromises the realization of yield potential in cereals more than any other single factor. In rice, the world's most important crop…”
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AtAMT1 gene expression and NH4+ uptake in roots of Arabidopsis thaliana: evidence for regulation by root glutamine levels by Rawat, S.R, Silim, S.N, Kronzucker, H.J, Siddiqi, M.Y, Glass, A.D.M

“…The mechanisms involved in regulating high-affinity ammonium (NH(4)+) uptake and the expression of the AtAMT1 gene encoding a putative high-affinity NH(4)+…”
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Inhibition of nitrate uptake by ammonium in barley. Analysis of component fluxes by Kronzucker, H.J, Glass, A.D.M, Siddiqi, M.Y

“…NO3- uptake by plant roots is rapidly inhibited by exposure to NH4+. The rapidity of the effect has led to the presumption that the inhibition results from the…”
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Kinetics of NO3- influx in spruce by Kronzucker, H.J. (University of British Columbia, Vancouver, BC, Canada.), Siddiqi, M.Y, Glass, A.D.M

“…Influxes of 13NO3- across the root plasmalemma were measured in intact seedlings of Picea glauca (Moench) Voss. Three kinetically distinct uptake systems for…”
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Induction of nitrate uptake and nitrate reductase activity in trembling aspen and lodgepole pine by Min, X, Siddiqi, M.Y, Guy, R.D, Glass, A.D.M, Kronzucker, H.J

“…13NO3– influx into the roots and in vivo nitrate reductase activity (NRA) in the roots and leaves have been measured in trembling aspen (Populus tremuloides…”
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comparative study of fluxes and compartmentation of nitrate and ammonium in early-successional tree species by Min, X, Yaeesh Siddiqi, M, Guy, R.D, Glass, A.D.M, Kronzucker, H.J

“…¹³NO₃⁻ and ¹³NH₄⁺ compartmental analyses were carried out in seedling roots of trembling aspen (Populus tremuloides Michx.), lodgepole pine (Pinus contorta…”
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Dynamic interactions between root NH4(+) influx and long-distance N translocation in rice: insights into feedback processes by Kronzucker, H.J, Schjoerring, J.K, Erner, Y, Kirk, G.J.D, Siddiqi, M.Y, Glass, A.D.M

“…Ammonium influx into roots and N translocation to the shoots were measured in 3-week-old hydroponically grown rice seedlings (Oryza sativa L., cv. IR72) under…”
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Compartmentation and flux characteristics of nitrate in spruce by Kronzucker, H.J, Siddiqi, M.Y, Glass, A.D.M. (British Columbia Univ., Vancouver (Canada). Dept. of Botany)

“…The radiotracer 13N was used to undertake compartmental analyses for NO3- in intact non-mycorrhizal roots of Picea glauca (Moench) Voss. seedlings. Three…”
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The effects of aluminum on the influx of calcium, potassium, ammonium, nitrate, and phosphate in an aluminum- sensitive cultivar of barley (Hordeum vulgare L.) by NICHOL, B. E, OLIVEIRA, L. A, GLASS, A. D. M, SIDDIQI, M. Y

“…The mechanism by which aluminum interferes with ion influx is not known. In this study, the effects of aluminum on the influx of the cations calcium,…”
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Growth of a tomato crop at reduced nutrient concentrations as a strategy to limit eutrophication by Siddiqi, M.Y. (University of British Columbia, Vancouver, Canada.), Kronzucker, H.J, Britto, D.T, Glass, A.D.M

“…In tomato (Lycopersicon esculentum L. cv Trust F1), effects of various nutrient treatments on growth, fruit yield and quality, nutrient uptake and accumulation…”
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Dynamic interactions between root NH+4 influx and long-distance N translocation in rice [Oryza sativa]: Insights into feedback processes by Kronzucker, H.J. (University of Western Ontario (Canada)), Schjoerring, J.K, Erner, Y, Kirk, G.J.D, Siddiqi, M.Y, Glass, A.D.M

“…Ammonium influx into roots and N translocation to the shoots were measured in 3week-old hydroponically grown rice seedlings (Oryza sativa L., cv. IR72) under…”
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Nitrogen transport in plants, with an emphasis on the regulation of fluxes to match plant demand by Glass, A.D.M, Brito, D.T, Kaiser, B.N, Kronzucker, H.J, Kumar, A, Okamoto, M, Rawat, S.R, Siddiqi, M.Y, Silim, S.M, Vidmar, J.J, Zhou, D

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Effects of hypoxia on 13NH4+ fluxes in rice roots: kinetics and compartmental analysis by Kronzucker, H.J. (International Rice Research Institute, Manila, Philippines.), Kirk, G.J.D, Siddiqi, M.Y, Glass, A.D.M

“…Techniques of compartmental (efflux) and kinetic influx analyses with the radiotracer 13NH4+ were used to examine the adaptation to hypoxia (15, 35, and 50% O2…”
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Effects of nitrite, chlorate, and chlorite on nitrate uptake and nitrate reductase activity by Siddiqi, M.Y, King, B.J, Glass, A.D.M

“…Effects of NO2(-), ClO3(-), and ClO2(-) on the induction of nitrate transport and nitrate reductase activity (NRA) as well as their effects on influx into…”
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Nitrate inhibition of chloride influx in barley: implications for a proposed chloride homeostat by Glass, A.D.M, Siddiqi, M.Y

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Studies of the uptake of nitrate in barley. V. Estimation of root cytoplasmic nitrate concentration using nitrate reductase activity: implications for nitrate influx by King, B.J. (University of British Columbia, Vancouver, BC, Canada), Siddiqi, M.Y, Glass, A.D.M

“…The cytoplasmic NO3(-1) concentration estimated for roots of barley (Hordeum vulgare L. cv Klondike) using a technique based on measurement of in vivo nitrate…”
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Studies of the Uptake of Nitrate in Barley: II. Energetics by Anthony D. M. Glass, Siddiqi, M. Yaeesh, Ruth, Thomas J., Rufty, Thomas W.

“…Q10 values for ^{13}\text{NO}{}_{3}^{-}$ influx were determined in 'uninduced' (NO3 --starved) and 'induced' (NO3 --pretreated) roots of barley (Hordeum…”
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