Search Results - "HAVIR, E. A"

Photosynthetic properties of an Arabidopsis thaliana mutant possessing a defective PsbS gene by Peterson, R.B., Havir, E.A.

“…We describe the properties of npq4-9, a new mutant of Arabidopsis thaliana (L.) Heynh. with reduced nonphotochemical quenching (NPQ) capacity that possesses a…”
Get full text

Biochemical and Developmental Characterization of Multiple Forms of Catalase in Tobacco Leaves by Evelyn A. Havir, McHale, Neil A.

“…Leaf extracts of both Nicotiana tabacum and Nicotiana sylvestris contain multiple forms of catalase ($\text{H}_{2}\text{O}_{2}\colon \text{H}_{2}\text{O}_{2}$…”
Get full text

A nonphotochemical-quenching-deficient mutant of Arabidopsis thaliana possessing normal pigment composition and xanthophyll-cycle activity by PETERSON, R. B, HAVIR, E. A

“…Higher-plant chloroplasts alter the distribution of absorbed radiant energy between photosynthesis and heat formation in response to changing illumination…”
Get full text

Manipulation of catalase levels produces altered photosynthesis in transgenic tobacco plants by Brisson, L.F, Zelitch, I, Havir, E.A

“…Constructs containing the cDNAs encoding the primary leaf catalase in Nicotiana or subunit 1 of cottonseed (Gossypium hirsutum) catalase were introduced in the…”
Get full text

mutant of Nicotiana sylvestris deficient in serine glyoxylate aminotransferase activity. Callus induction and photorespiratory toxicity in regenerated plants by McHale, N.A, Havir, E.A, Zelitch, I

“…A photorespiration mutant of Nicotiana sylvestris lacking serine: glyoxylate aminotransferase activity was isolated in the M2 generation following EMS…”
Get full text

Enhanced-peroxidatic activity in specific catalase isozymes of tobacco, barley, and maize by Havir, E.A. (Connecticut Agricultural Experiment Station, New Haven, CT), McHale, N.A

“…Separation of catalase isozymes from leaf extracts of three diverse plant species (Nicotiana sylvestris, Zea mays, Hordeum vulgare L) revealed a distinct…”
Get full text

Purification and characterization of an isozyme of catalase with enhanced-peroxidatic activity from leaves of Nicotiana sylvestris by Havir, E A, McHale, N A

“…Two isozymes of catalase (EC 1.11.1.6), one with typically low peroxidatic activity (CAT-1) and the other with enhanced-peroxidatic activity (EP-CAT or CAT-3)…”
Get more information

Photorespiratory toxicity in autotrophic cell cultures of a mutant of Nicotiana sylvestris lacking serine: Glyoxylate aminotransferase activity by McHale, N.A. (Connecticut Agricultural Experiment Station, New Haven (USA). Dept. ofBiochemistry and Genetics), Havir, E.A, Zelitch, I

“…Procedures were devised for heterotrophic culture and autotrophic establishment of protoplast-derived cell cultures from the sat mutant of Nicotiana sylvestris…”
Get full text

A Mutant of Nicotiana sylvestris Lacking Serine:Glyoxylate Aminotransferase: Substrate Specificity of the Enzyme and Fate of [2-14C]Glycolate in Plants with Genetically Altered Enzyme Levels by Evelyn A. Havir, McHale, Neil A.

“…The photorespiratory mutant of Nicotiana sylvestris, NS 349, lacking serine:glyoxylate aminotransferase (SGAT) grows in 1% CO2 but not in normal air (NA…”
Get full text

Inactivation of serine:glyoxylate and glutamate:glyoxylate aminotransferases from tobacco leaves by glyoxylate in the presence of ammonium ion by Havir, E.A

“…Serine:glyoxylate and glutamate:glyoxylate aminotransferases (SGAT and GGAT), which catalyze the formation of glycine from glyoxylate during photorespiration,…”
Get full text

Comparisons of soybean urease isolated from seed and tissue culture by Polacco, J C, Havir, E A

Get full text

Oxalate metabolism by tobacco leaf discs [Formation from glyoxylate, decarboxylation, photorespiratory carbon dioxide formation] by HAVIR, E. A

“…The turnover rate of oxalate in leaf discs of Nicotiana tabacum, var Havana Seed, during photosynthesis was estimated to be 1 to 2 micromoles per gram fresh…”
Get full text

The in vivo and in vitro inhibition of catalase from leaves of Nicotiana sylvestris by 3-amino-1,2,4-triazole by Havir, E.A. (Connecticut Agricultural Experiment Station, New Haven, CT)

“…Seedlings of tobacco (Nicotiana sylvestris) were treated in vivo with 0.03 to 20 millimolar 3-amino-1,2,4-triazole (aminotriazole). There was a rapid loss of…”
Get full text

Purification and properties of violaxanthin de-epoxidase from spinach by Havir, Evelyn A., Tausta, S.Lorraine, Peterson, Richard B.

“…The enzyme violaxanthin de-epoxidase (VDE) catalyzes the conversion of violaxanthin (V) to antheraxanthin (A) and zeaxanthin (Z). It has been purified 194-fold…”
Get full text

Seasonal variation of peroxidase activity in chestnut trees by Havir, Evelyn A., Anagnostakis, Sandra L.

“…Peroxidase (E.C.1.11.1.7) activity in twigs of American ( Castanea dentata), Chinese ( C. mollissima), and Japanese ( C. crenata) chestnut was determined…”
Get full text

Distribution of catalase isoforms in Nicotiana tabacum by Havir, Evelyn A., Brisson, Louise F., Zelitch, Israel

“…Total catalase activity per milligram protein averaged three-fold higher in leaves than in green stem or leaf midvein tissue of Nocotiana tabacum. The…”
Get full text

Regulation of catalase activity in leaves of Nicotiana sylvestris by high CO2 by Havir, E.A, McHale, N.A

“…The effect of high CO2 (1% CO2/21% O2) on the activity of specific forms of catalase (CAT-1, -2, and -3) EA Havir, NA McHale [1987] Plant Physiol 84: 450-455)…”
Get full text

Evidence for the Presence in Tobacco Leaves of Multiple Enzymes for the Oxidation of Glycolate and Glyoxylate by Havir, E A

“…The enzymic oxidation of glycolate to glyoxylate and glyoxylate to oxalate by preparations purified from tobacco (Nicotiana tabacum var Havana Seed) leaves was…”
Get full text

Modification of L-phenylalanine ammonia-lyase in soybean cell suspension cultures by 2-aminooxyacetate and L-2-aminooxy-3-phenylpropionate by Havir, E.A

“…Suspension-cultured cells of soybean (Glycine max (L.) Merr. cv. Kanrich) produce large amounts of phenylalanine ammonia-lyase (PAL; EC 4.3.1.5), the first…”
Get full text

Phenylalanine ammonia-lyase: purification and characterization from soybean cell suspension cultures by Havir, E A

Get more information