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Showing 1 to 12 of 207 entries
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Chloroplast Inner-Envelope ATPase Acts as a Primary H+ Pump.

Plant physiology

Berkowitz GA, Peters JS.
PMID: 12231817
Plant Physiol. 1993 May;102(1):261-267. doi: 10.1104/pp.102.1.261.

The stromal pH of the chloroplast must be maintained higher than that of the surrounding cytosol for photosynthetic carbon assimilation to occur. Experimental evidence demonstrating how this is accomplished in the plant cell is lacking. In the experiments reported...

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Berkowitz GA, Peters JS. Chloroplast Inner-Envelope ATPase Acts as a Primary H+ Pump. Plant Physiol. 1993;102(1):261-267doi: 10.1104/pp.102.1.261.
Berkowitz, G. A., & Peters, J. S. (1993). Chloroplast Inner-Envelope ATPase Acts as a Primary H+ Pump. Plant physiology, 102(1), 261-267. https://doi.org/10.1104/pp.102.1.261
Berkowitz, G. A., and Peters, J. S.. "Chloroplast Inner-Envelope ATPase Acts as a Primary H+ Pump." Plant physiology vol. 102,1 (1993): 261-267. doi: https://doi.org/10.1104/pp.102.1.261
Berkowitz GA, Peters JS. Chloroplast Inner-Envelope ATPase Acts as a Primary H+ Pump. Plant Physiol. 1993 May;102(1):261-267. doi: 10.1104/pp.102.1.261. PMID: 12231817; PMCID: PMC158771.
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Use of Transgenic Plants with Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Antisense DNA to Evaluate the Rate Limitation of Photosynthesis under Water Stress.

Plant physiology

Gunasekera D, Berkowitz GA.
PMID: 12231969
Plant Physiol. 1993 Oct;103(2):629-635. doi: 10.1104/pp.103.2.629.

The biochemical lesion that causes impaired chloroplast metabolism (and, hence, photosynthetic capacity) in plants exposed to water deficits is still a subject of controversy. In this study we used tobacco (Nicotiana tabacum L.) transformed with "antisense" ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco)...

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Gunasekera D, Berkowitz GA. Use of Transgenic Plants with Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Antisense DNA to Evaluate the Rate Limitation of Photosynthesis under Water Stress. Plant Physiol. 1993;103(2):629-635doi: 10.1104/pp.103.2.629.
Gunasekera, D., & Berkowitz, G. A. (1993). Use of Transgenic Plants with Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Antisense DNA to Evaluate the Rate Limitation of Photosynthesis under Water Stress. Plant physiology, 103(2), 629-635. https://doi.org/10.1104/pp.103.2.629
Gunasekera, D., and Berkowitz, G. A.. "Use of Transgenic Plants with Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Antisense DNA to Evaluate the Rate Limitation of Photosynthesis under Water Stress." Plant physiology vol. 103,2 (1993): 629-635. doi: https://doi.org/10.1104/pp.103.2.629
Gunasekera D, Berkowitz GA. Use of Transgenic Plants with Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Antisense DNA to Evaluate the Rate Limitation of Photosynthesis under Water Stress. Plant Physiol. 1993 Oct;103(2):629-635. doi: 10.1104/pp.103.2.629. PMID: 12231969; PMCID: PMC159024.
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Research exposure during pediatric residency: influence on career expectations.

The Journal of pediatrics

Cull WL, Yudkowsky BK, Schonfeld DJ, Berkowitz CD, Pan RJ.
PMID: 14615723
J Pediatr. 2003 Nov;143(5):564-9. doi: 10.1067/S0022-3476(03)00324-X.

OBJECTIVES: To examine pediatric residents' research experiences during residency and to explore whether residents' attitudes toward research are related to their decision to pursue subspecialty fellowships.STUDY DESIGN: A national random sample of 500 PL-3 pediatric residents completing training in...

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Cull WL, Yudkowsky BK, Schonfeld DJ, et al. Research exposure during pediatric residency: influence on career expectations. J Pediatr. 2003;143(5):564-9doi: 10.1067/S0022-3476(03)00324-X.
Cull, W. L., Yudkowsky, B. K., Schonfeld, D. J., Berkowitz, C. D., & Pan, R. J. (2003). Research exposure during pediatric residency: influence on career expectations. The Journal of pediatrics, 143(5), 564-9. https://doi.org/10.1067/S0022-3476(03)00324-X
Cull, William L, et al. "Research exposure during pediatric residency: influence on career expectations." The Journal of pediatrics vol. 143,5 (2003): 564-9. doi: https://doi.org/10.1067/S0022-3476(03)00324-X
Cull WL, Yudkowsky BK, Schonfeld DJ, Berkowitz CD, Pan RJ. Research exposure during pediatric residency: influence on career expectations. J Pediatr. 2003 Nov;143(5):564-9. doi: 10.1067/S0022-3476(03)00324-X. PMID: 14615723.
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Synthesis and cytotoxicity of cyanoborane adducts of n6-benzoyladenine and 6-triphenylphosphonylpurine.

Metal-based drugs

Scarlett TC, Durham RW, Hall IH, Crosswicks RJ, Berkowitz JD, Burnham BS.
PMID: 18475422
Met Based Drugs. 2002;9(1):19-32. doi: 10.1155/MBD.2002.19.

N6-Benzoyladenine-cyanoborane (2), and 6-triphenylphosphonylpurine-cyanoborane (3) were selected for investigation of cytotoxicity in murine and human tumor cell lines, effects on human HL-60 leukemic metabolism and DNA strand scission to determine the feasibility of these compounds as clinical antineoplastic agents....

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Scarlett TC, Durham RW, Hall IH, et al. Synthesis and cytotoxicity of cyanoborane adducts of n6-benzoyladenine and 6-triphenylphosphonylpurine. Met Based Drugs. 2002;9(1):19-32doi: 10.1155/MBD.2002.19.
Scarlett, T. C., Durham, R. W., Hall, I. H., Crosswicks, R. J., Berkowitz, J. D., & Burnham, B. S. (2002). Synthesis and cytotoxicity of cyanoborane adducts of n6-benzoyladenine and 6-triphenylphosphonylpurine. Metal-based drugs, 9(1), 19-32. https://doi.org/10.1155/MBD.2002.19
Scarlett, Tanya C, et al. "Synthesis and cytotoxicity of cyanoborane adducts of n6-benzoyladenine and 6-triphenylphosphonylpurine." Metal-based drugs vol. 9,1 (2002): 19-32. doi: https://doi.org/10.1155/MBD.2002.19
Scarlett TC, Durham RW, Hall IH, Crosswicks RJ, Berkowitz JD, Burnham BS. Synthesis and cytotoxicity of cyanoborane adducts of n6-benzoyladenine and 6-triphenylphosphonylpurine. Met Based Drugs. 2002;9(1):19-32. doi: 10.1155/MBD.2002.19. PMID: 18475422; PMCID: PMC2365297.
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More power--more pollution.

Science (New York, N.Y.)

Berkowitz DA.
PMID: 17742836
Science. 1969 Dec 19;166(3912):1459. doi: 10.1126/science.166.3912.1459.

No abstract available.

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Berkowitz DA. More power--more pollution. Science. 1969;166(3912):1459doi: 10.1126/science.166.3912.1459.
Berkowitz, D. A. (1969). More power--more pollution. Science (New York, N.Y.), 166(3912), 1459. https://doi.org/10.1126/science.166.3912.1459
Berkowitz, D A. "More power--more pollution." Science (New York, N.Y.) vol. 166,3912 (1969): 1459. doi: https://doi.org/10.1126/science.166.3912.1459
Berkowitz DA. More power--more pollution. Science. 1969 Dec 19;166(3912):1459. doi: 10.1126/science.166.3912.1459. PMID: 17742836.
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Stromal pH and Photosynthesis Are Affected by Electroneutral K and H Exchange through Chloroplast Envelope Ion Channels.

Plant physiology

Wu W, Berkowitz GA.
PMID: 16668693
Plant Physiol. 1992 Feb;98(2):666-72. doi: 10.1104/pp.98.2.666.

Potassium movement across the limiting membrane of the chloroplast inner envelope is known to be linked to counterex-change of protons. For this reason, K(+) efflux is known to facilitate stromal acidification and the resultant photosynthetic inhibition. However, the specific...

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Wu W, Berkowitz GA. Stromal pH and Photosynthesis Are Affected by Electroneutral K and H Exchange through Chloroplast Envelope Ion Channels. Plant Physiol. 1992;98(2):666-72doi: 10.1104/pp.98.2.666.
Wu, W., & Berkowitz, G. A. (1992). Stromal pH and Photosynthesis Are Affected by Electroneutral K and H Exchange through Chloroplast Envelope Ion Channels. Plant physiology, 98(2), 666-72. https://doi.org/10.1104/pp.98.2.666
Wu, W, and Berkowitz, G A. "Stromal pH and Photosynthesis Are Affected by Electroneutral K and H Exchange through Chloroplast Envelope Ion Channels." Plant physiology vol. 98,2 (1992): 666-72. doi: https://doi.org/10.1104/pp.98.2.666
Wu W, Berkowitz GA. Stromal pH and Photosynthesis Are Affected by Electroneutral K and H Exchange through Chloroplast Envelope Ion Channels. Plant Physiol. 1992 Feb;98(2):666-72. doi: 10.1104/pp.98.2.666. PMID: 16668693; PMCID: PMC1080242.
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Protoplast volume:water potential relationship and bound water fraction in spinach leaves.

Plant physiology

Santakumari M, Berkowitz GA.
PMID: 16666983
Plant Physiol. 1989 Sep;91(1):13-8. doi: 10.1104/pp.91.1.13.

Methods used to estimate the (nonosmotic) bound water fraction (BWF) (i.e. apoplast water) of spinach (Spinacia oleracea L.) leaves were evaluated. Studies using three different methods of pressure/volume (P/V) curve construction all resulted in a similar calculation of BWF;...

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Santakumari M, Berkowitz GA. Protoplast volume:water potential relationship and bound water fraction in spinach leaves. Plant Physiol. 1989;91(1):13-8doi: 10.1104/pp.91.1.13.
Santakumari, M., & Berkowitz, G. A. (1989). Protoplast volume:water potential relationship and bound water fraction in spinach leaves. Plant physiology, 91(1), 13-8. https://doi.org/10.1104/pp.91.1.13
Santakumari, M, and Berkowitz, G A. "Protoplast volume:water potential relationship and bound water fraction in spinach leaves." Plant physiology vol. 91,1 (1989): 13-8. doi: https://doi.org/10.1104/pp.91.1.13
Santakumari M, Berkowitz GA. Protoplast volume:water potential relationship and bound water fraction in spinach leaves. Plant Physiol. 1989 Sep;91(1):13-8. doi: 10.1104/pp.91.1.13. PMID: 16666983; PMCID: PMC1061943.
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Studies on the System Regulating Proton Movement across the Chloroplast Envelope : Effects of ATPase Inhibitors, Mg, and an Amine Anesthetic on Stromal pH and Photosynthesis.

Plant physiology

Peters JS, Berkowitz GA.
PMID: 16668116
Plant Physiol. 1991 Apr;95(4):1229-36. doi: 10.1104/pp.95.4.1229.

Studies were undertaken to further characterize the spinach (Spinacea oleracea) chloroplast envelope system, which facilitates H(+) movement into and out of the stroma, and, hence, modulates photosynthetic activity by regulating stromal pH. It was demonstrated that high envelope-bound Mg(2+)...

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Peters JS, Berkowitz GA. Studies on the System Regulating Proton Movement across the Chloroplast Envelope : Effects of ATPase Inhibitors, Mg, and an Amine Anesthetic on Stromal pH and Photosynthesis. Plant Physiol. 1991;95(4):1229-36doi: 10.1104/pp.95.4.1229.
Peters, J. S., & Berkowitz, G. A. (1991). Studies on the System Regulating Proton Movement across the Chloroplast Envelope : Effects of ATPase Inhibitors, Mg, and an Amine Anesthetic on Stromal pH and Photosynthesis. Plant physiology, 95(4), 1229-36. https://doi.org/10.1104/pp.95.4.1229
Peters, J S, and Berkowitz, G A. "Studies on the System Regulating Proton Movement across the Chloroplast Envelope : Effects of ATPase Inhibitors, Mg, and an Amine Anesthetic on Stromal pH and Photosynthesis." Plant physiology vol. 95,4 (1991): 1229-36. doi: https://doi.org/10.1104/pp.95.4.1229
Peters JS, Berkowitz GA. Studies on the System Regulating Proton Movement across the Chloroplast Envelope : Effects of ATPase Inhibitors, Mg, and an Amine Anesthetic on Stromal pH and Photosynthesis. Plant Physiol. 1991 Apr;95(4):1229-36. doi: 10.1104/pp.95.4.1229. PMID: 16668116; PMCID: PMC1077677.
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Effect of osmotic stress on photosynthesis studied with the isolated spinach chloroplast : site-specific inhibition of the photosynthetic carbon reduction cycle.

Plant physiology

Berkowitz GA, Gibbs M.
PMID: 16662712
Plant Physiol. 1982 Nov;70(5):1535-40. doi: 10.1104/pp.70.5.1535.

The effects of reduced osmotic potential on the photosynthetic carbon reduction cycle were investigated by monitoring photosynthetic processes of spinach (Spinacia oleracea L. var. Long Standing Bloomsdale) chloroplasts exposed to increased assay medium sorbitol concentrations. CO(2) assimilation was found...

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Berkowitz GA, Gibbs M. Effect of osmotic stress on photosynthesis studied with the isolated spinach chloroplast : site-specific inhibition of the photosynthetic carbon reduction cycle. Plant Physiol. 1982;70(5):1535-40doi: 10.1104/pp.70.5.1535.
Berkowitz, G. A., & Gibbs, M. (1982). Effect of osmotic stress on photosynthesis studied with the isolated spinach chloroplast : site-specific inhibition of the photosynthetic carbon reduction cycle. Plant physiology, 70(5), 1535-40. https://doi.org/10.1104/pp.70.5.1535
Berkowitz, G A, and Gibbs, M. "Effect of osmotic stress on photosynthesis studied with the isolated spinach chloroplast : site-specific inhibition of the photosynthetic carbon reduction cycle." Plant physiology vol. 70,5 (1982): 1535-40. doi: https://doi.org/10.1104/pp.70.5.1535
Berkowitz GA, Gibbs M. Effect of osmotic stress on photosynthesis studied with the isolated spinach chloroplast : site-specific inhibition of the photosynthetic carbon reduction cycle. Plant Physiol. 1982 Nov;70(5):1535-40. doi: 10.1104/pp.70.5.1535. PMID: 16662712; PMCID: PMC1065920.
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Leaf k interaction with water stress inhibition of nonstomatal-controlled photosynthesis.

Plant physiology

Berkowitz GA, Whalen C.
PMID: 16664368
Plant Physiol. 1985 Sep;79(1):189-93. doi: 10.1104/pp.79.1.189.

The relationship between leaf K(+) concentration, in vitro dehydration, and nonstomatal-controlled photosynthesis was investigated using leaf slices that were vacuum infiltrated with media containing varying sorbitol concentrations. The leaf slices were from plants either supplied with complete or K(+)-deficient...

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Berkowitz GA, Whalen C. Leaf k interaction with water stress inhibition of nonstomatal-controlled photosynthesis. Plant Physiol. 1985;79(1):189-93doi: 10.1104/pp.79.1.189.
Berkowitz, G. A., & Whalen, C. (1985). Leaf k interaction with water stress inhibition of nonstomatal-controlled photosynthesis. Plant physiology, 79(1), 189-93. https://doi.org/10.1104/pp.79.1.189
Berkowitz, G A, and Whalen, C. "Leaf k interaction with water stress inhibition of nonstomatal-controlled photosynthesis." Plant physiology vol. 79,1 (1985): 189-93. doi: https://doi.org/10.1104/pp.79.1.189
Berkowitz GA, Whalen C. Leaf k interaction with water stress inhibition of nonstomatal-controlled photosynthesis. Plant Physiol. 1985 Sep;79(1):189-93. doi: 10.1104/pp.79.1.189. PMID: 16664368; PMCID: PMC1074849.
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Osmotic adjustment, symplast volume, and nonstomatally mediated water stress inhibition of photosynthesis in wheat.

Plant physiology

Gupta AS, Berkowitz GA.
PMID: 16665800
Plant Physiol. 1987 Dec;85(4):1040-7. doi: 10.1104/pp.85.4.1040.

At low water potential (psi(w)), dehydration reduces the symplast volume of leaf tissue. The effect of this reduction on photosynthetic capacity was investigated. The influence of osmotic adjustment on this relationship was also examined. To examine these relationships, comparative...

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Gupta AS, Berkowitz GA. Osmotic adjustment, symplast volume, and nonstomatally mediated water stress inhibition of photosynthesis in wheat. Plant Physiol. 1987;85(4):1040-7doi: 10.1104/pp.85.4.1040.
Gupta, A. S., & Berkowitz, G. A. (1987). Osmotic adjustment, symplast volume, and nonstomatally mediated water stress inhibition of photosynthesis in wheat. Plant physiology, 85(4), 1040-7. https://doi.org/10.1104/pp.85.4.1040
Gupta, A S, and Berkowitz, G A. "Osmotic adjustment, symplast volume, and nonstomatally mediated water stress inhibition of photosynthesis in wheat." Plant physiology vol. 85,4 (1987): 1040-7. doi: https://doi.org/10.1104/pp.85.4.1040
Gupta AS, Berkowitz GA. Osmotic adjustment, symplast volume, and nonstomatally mediated water stress inhibition of photosynthesis in wheat. Plant Physiol. 1987 Dec;85(4):1040-7. doi: 10.1104/pp.85.4.1040. PMID: 16665800; PMCID: PMC1054390.
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Use of Fluorinated Functionality in Enzyme Inhibitor Development: Mechanistic and Analytical Advantages.

Journal of fluorine chemistry

Berkowitz DB, Karukurichi KR, de la Salud-Bea R, Nelson DL, McCune CD.
PMID: 19727327
J Fluor Chem. 2008 Sep;129(9):731-742. doi: 10.1016/j.jfluchem.2008.05.016.

On the one hand, owing to its electronegativity, relatively small size, and notable leaving group ability from anionic intermediates, fluorine offers unique opportunities for mechanism-based enzyme inhibitor design. On the other, the "bio-orthogonal" and NMR-active 19-fluorine nucleus allows the...

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Berkowitz DB, Karukurichi KR, de la Salud-Bea R, et al. Use of Fluorinated Functionality in Enzyme Inhibitor Development: Mechanistic and Analytical Advantages. J Fluor Chem. 2008;129(9):731-742doi: 10.1016/j.jfluchem.2008.05.016.
Berkowitz, D. B., Karukurichi, K. R., de la Salud-Bea, R., Nelson, D. L., & McCune, C. D. (2008). Use of Fluorinated Functionality in Enzyme Inhibitor Development: Mechanistic and Analytical Advantages. Journal of fluorine chemistry, 129(9), 731-742. https://doi.org/10.1016/j.jfluchem.2008.05.016
Berkowitz, David B, et al. "Use of Fluorinated Functionality in Enzyme Inhibitor Development: Mechanistic and Analytical Advantages." Journal of fluorine chemistry vol. 129,9 (2008): 731-742. doi: https://doi.org/10.1016/j.jfluchem.2008.05.016
Berkowitz DB, Karukurichi KR, de la Salud-Bea R, Nelson DL, McCune CD. Use of Fluorinated Functionality in Enzyme Inhibitor Development: Mechanistic and Analytical Advantages. J Fluor Chem. 2008 Sep;129(9):731-742. doi: 10.1016/j.jfluchem.2008.05.016. PMID: 19727327; PMCID: PMC2598403.
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Showing 1 to 12 of 207 entries