Search Results - "Premakumar, R"

Carbohydrate partitioning between upper and lower regions of the crown in oat and rye during cold acclimation and freezing by Livingston, D.P., Premakumar, R., Tallury, S.P.

“…Carbohydrates have long been recognized as an important aspect of freezing tolerance in plants but the association between these two factors is often…”
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Carbohydrate concentrations in crown fractions from winter oat during hardening at sub-zero temperatures by Livingston, D, Premakumar, R, Tallury, S. P

“…BACKGROUND AND AIMS: Contradictory results in correlation studies of plant carbohydrates with freezing tolerance may be because whole crown tissue is analysed…”
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Purification of a second alternative nitrogenase from a nifHDK deletion strain of Azotobacter vinelandii by CHISNELL, J. R, PREMAKUMAR, R, BISHOP, P. E

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Registration of 'Thoroughbred' barley by Brooks, W.S, Vaughn, M.E, Griffey, C.A, Price, A.M, Pridgen, T.H, Rohrer, W.L, Brann, D.E, Rucker, E.G, Behl, H.D, Sisson, W.L

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Phenotypic characterization of a tungsten-tolerant mutant of Azotobacter vinelandii by Premakumar, R, Jacobitz, S, Ricke, S C, Bishop, P E

“…A tungsten-tolerant mutant strain (CA6) of Azotobacter vinelandii first described in 1980 (P. E. Bishop, D. M. L. Jarlenski, and D. R. Hetherington, Proc…”
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Registration of 'Price' barley by Brooks, W.S, Vaughn, M.E, Griffey, C.A, Price, A.M, Pridgen, T.H, Rohrer, W.L, Brann, D.E, Rucker, E.G, Behl, H.D, Sisson, W.L

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Registration of 'Doyce' hulless barley by Brooks, W.S, Vaughn, M.E, Griffey, C.A, Price, A.M, Pridgen, T.H, Rohrer, W.L, Brann, D.E, Rucker, E.G, Behl, H.D, Sisson, W.L

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Mo-independent nitrogenase 3 is advantageous for diazotrophic growth of Azotobacter vinelandii on solid medium containing molybdenum by MAYNARD, R. H, PREMAKUMAR, R, BISHOP, P. E

“…Competition experiments between wild-type Azotobacter vinelandii and a mutant lacking Mo-independent nitrogenase 3 indicate that nitrogenase 3 provides an…”
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Nucleotide sequence and mutational analysis of the structural genes (anfHDGK) for the second alternative nitrogenase from Azotobacter vinelandii by Joerger, R.D. , North Carolina, Jacobson, M.R, Premakumar, R, Wolfinger, E.D, Bishop, P.E

“…The nucleotide sequence of a region of the Azotobacter vinelandii genome exhibiting sequence similarity to nifH has been determined. The order of open reading…”
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The genes encoding the delta subunits of dinitrogenases 2 and 3 are required for mo-independent diazotrophic growth by Azotobacter vinelandii by Waugh, S.I. (Nexagen, Inc., Boulder, CO.), Paulsen, D.M, Mylona, P.V, Maynard, R.H, Premakumar, R, Bishop, P.E

“…The vnfG and anfG encode the a subunits of alternative nitrogenases 2 and 3 in Azotobacter vinelandii, respectively. As a first step towards elucidating the…”
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Thermal Effect of CO₂ on Apoplastic Ice in Rye and Oat during Freezing by Livingston, David P., C. Robert Olien, Ramaswamy Premakumar

“…Meristematic tissues from rye (Secale cereale) and oat (Avena sativa) were studied in an isothermal calorimeter at -3°C. When the frozen tissue was placed in…”
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Characteristics of orf1 and orf2 in the anfHDGK genomic region encoding nitrogenase 3 of Azotobacter vinelandii by Mylona, P.V. (ARS, USDA, Raleigh, NC.), Premakumar, R, Pau, R.N, Bishop, P.E

“…In Azotobacter vinelandii, the anfHDCK operon encodes the subunits for the third nitrogenase complex. Two open reading frames (orf1 and orf2) located…”
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Effect of amino acid substitutions in a potential metal-binding site of AnfA on expression from the anfH promoter in Azotobacter vinelandii by Loveless, T.M, Bishop, P.E

“…AnfA, an activator required for transcription of the structural genes encoding nitrogenase 3 (anfHDGK) in Azotobacter vinelandii, has a potential metal-binding…”
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Transcriptional regulation of nitrogen fixation by molybdenum in Azotobacter vinelandii by Jacobson, M.R, Premakumar, R, Bishop, P.E

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Nitrogen fixation by Azotobacter vinelandii strains having deletions in structural genes for nitrogenase by Bishop, P.E, Premakumar, R, Dean, D.R, Jacobson, M.R, Chisnell, J.R, Rizzo, T.M, Kopczynski, J

“…Phenotypic reversal of Nif$^{-}$ mutant strains to Nif$^{+}$ under molybdenum-deficient conditions has been cited as evidence that Azotobacter vinelandii…”
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Tn5-induced mutants of Azotobacter vinelandii affected in nitrogen fixation under Mo-deficient and Mo-sufficient conditions by Joerger, R.D, Premakumar, R, Bishop, P.E

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Nitrogen metabolite repression of nitrate reductase in Neurospora crassa by Premakumar, R, Sorger, G J, Gooden, D

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S-Adenosylhomocysteine hydrolase from human placenta. Affinity purification and characterization by Hershfield, M S, Aiyar, V N, Premakumar, R, Small, W C

“…S-Adenosylhomocysteine hydrolase (EC 3.3.1.1) was purified to homogeneity from human placenta by using S-adenosylhomocysteine-agarose affinity chromatography…”
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Metal-induced formation of metallothionein in rat liver by Winge, D R, Premakumar, R, Rajagopalan, K V

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Physiological characterization of a Neurospora crassa mutant with impaired regulation of nitrate reductase by Premakumar, R, Sorger, G.J, Gooden, D

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