Index Catalog // ScholarsArchive@OSU

Cytokinin antagonists and antibiotics related to nalidixic acid : effects on Phaseolus and Nicotiana callus tissues

Creator:: Marsden, Katherine E.
Abstract:: The effects of five cytokinin antagonists on the growth of cytokinin-autonomous lines of Phaseolus lunatus cv. Kingston, Phaseolus vulgaris cv. Great Northern, and Nicotiana tabacum cv. Wisconsin 38 callus tissues have been compared. The antagonists tested included four N⁴-substituted 4-amino-2-methylthiopyrrolo[2,3-d]pyrimidines bearing the following N⁴ side chains, 4-n-pentyl- (ms²pnN⁴Prp), 4-n-hexyl- (ms²HxN⁴Prp),...
Resource Type:: Masters Thesis
Full Text:: . Donald J. Armstrong for his help and guidance during my graduate study. His encouragement, patience, and

An improved method for the isolation of [triangle]²-IPP:tRNA isopentenyltransferase activity from Saccharomyces cerevisiae

Creator:: Kee, Saik Chuan
Resource Type:: Masters Thesis
Full Text:: Saccharomyces cerevisiae. Abstract approved Redacted for privacy Dr. Donalej. Armstrong An improved method for

Cytokinin-active ribonucleosides in Phaseolus vulgaris L. transfer ribonucleic acids

Creator:: Edwards, Cynthia Ann
Resource Type:: Masters Thesis
Full Text:: Dpebld J. Armstrong,- The cytokinin-active ribonucleosides present in transfer ribonucleic acid from

Control of cytokinin autonomy in Phaseolus lunatus callus cultures

Creator:: Kim, Sang-Gu
Abstract:: The ability of N,N'-diphenylurea (DPU) to substitute for cytokininactive adenine derivatives in promoting callus growth of Phaseolus lunatus and Nicotiana tabacum has been examined. In general, DPU stimulated callus growth of P. lunatus at high concentrations and the growth of most callus tissues was irregular, while the response of tobacco...
Resource Type:: Dissertation
Full Text:: Callus Cultures. Abstract approved : Redacted for Privacy Dr. Donald J. Armstrong A!" 1. The ability

Cytokinin oxidase activity from Phaseolus vulgaris L. cv. Great Northern callus tissues

Creator:: Chatfield, J. Mark
Abstract:: Cytokinin oxidase activity in callus tissues of Phaseolus vulgaris L. cv. Great Northern has been examined using an assay based on the oxidation of radioactively labeled N⁶ -(Δ² -isopentenyl) adenine (i⁶Ade) to adenine (Ade). Conditions for the quantitative extraction and assay of the enzyme have been established. The substrate specificity...
Resource Type:: Dissertation
Full Text:: Privacy Donald J. Armstrong Cytokinin oxidase activity in callus tissues of Phaseolus vulgaris L. cv

A biochemical analysis of the interaction of victorin and oats

Creator:: Navarre, Duroy A.
Abstract:: Victoria blight of oats is caused by the fungus Cochhobolus victoriae. This fungus is pathogenic due to its ability to produce the host-selective toxin victorin. Previously, a 100-kD protein that binds victorin in vivo only in susceptible genotypes was identified as the P protein of the glycine decarboxylase complex (GDC)....
Resource Type:: Dissertation
Full Text:: members, Dr. Don Armstrong, Dr. Terri Lomax and Dr. Dallice Mills for their guidance and generous use of

Expression of a group 3 LEA protein during maturation of Zea mays L. embryos

Creator:: Thomann, Estela B.
Resource Type:: Masters Thesis
Full Text:: appreciation to my major professor, Dr. Carol Rivin, for her support, and to Drs Donald Armstrong, Machteld

The Pseudomonas aeruginosa antimetabolite L-2-amino-4-methoxy-trans-3-butenoic acid inhibits growth of Erwinia amylovora and acts as a seed germination-arrest factor

Creator:: Lee, Xiaoyun, Azevedo, Mark D., Armstrong, Donald J., Banowetz, Gary M., and Reimmann, Cornelia
Abstract:: The Pseudomonas aeruginosa antimetabolite L-2-amino-4-methoxy-trans-3-butenoic acid (AMB) shares biological activities with 4-formylaminooxyvinylglycine, a related molecule produced by Pseudomonas fluorescens WH6. We found that culture filtrates of a P.aeruginosa strain overproducing AMB weakly interfered with seed germination of the grassy weed Poa annua and strongly inhibited growth of Erwinia amylovora, the...
Resource Type:: Article
Full Text:: germination-arrest factor Xiaoyun Lee,1 Mark D. Azevedo,2 Donald J. Armstrong,3 Gary M. Banowetz2 and

Integration and excision of pMMC7105 in Pseudomonas syringae pv. phaseolicola occur by recombination between copies of a repetitive IS-like sequence

Creator:: Ehrenshaft, Marilyn
Resource Type:: Dissertation
Full Text:: Drs. Ralph Quatrano, George Pearson, Larry Moore, Al Ferro and Don Armstrong for serving as members

Investigation of the oxidizing side of photosystem II through mutant analysis

Creator:: Metz, James George
Resource Type:: Dissertation
Full Text:: of my graduate committee (Drs. Ralph Quatrano, Donald Armstrong, Donald Reed, and Maxine Thompson

ScholarsArchive@OSU

Cytokinin antagonists and antibiotics related to nalidixic acid : effects on Phaseolus and Nicotiana callus tissues

An improved method for the isolation of [triangle]²-IPP:tRNA isopentenyltransferase activity from Saccharomyces cerevisiae

Cytokinin-active ribonucleosides in Phaseolus vulgaris L. transfer ribonucleic acids

Control of cytokinin autonomy in Phaseolus lunatus callus cultures

Cytokinin oxidase activity from Phaseolus vulgaris L. cv. Great Northern callus tissues

A biochemical analysis of the interaction of victorin and oats

Expression of a group 3 LEA protein during maturation of Zea mays L. embryos

The Pseudomonas aeruginosa antimetabolite L-2-amino-4-methoxy-trans-3-butenoic acid inhibits growth of Erwinia amylovora and acts as a seed germination-arrest factor

Integration and excision of pMMC7105 in Pseudomonas syringae pv. phaseolicola occur by recombination between copies of a repetitive IS-like sequence

Investigation of the oxidizing side of photosystem II through mutant analysis

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