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Filtering by: Contributor advisor sim Parks, Leo W. Remove constraint Contributor advisor sim: Parks, Leo W.

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Enzymatic studies on some methionine auxotrophs of yeast

Creator:

Pigg, C. JoAnne

Resource Type:

Masters Thesis
Studies on the fatty acid composition of yeast

Creator:

Saunders, Grady F.

Resource Type:

Masters Thesis
Terminal reactions in tryptophan biosynthesis in yeast

Creator:

Saunders, Priscilla Prince

Resource Type:

Masters Thesis
A genetic and biochemical analysis of selected yeast methionine auxotrophs

Creator:

Spence, Kemet Dean

Resource Type:

Masters Thesis
Studies on sterol synthesis in yeast

Creator:

Starr, Patricia Rae

Resource Type:

Masters Thesis
Biosynthesis of yeast sterols

Creator:

Turner, Jan Ross

Abstract:

An enzyme system from cell-free yeast homogenates mediating the transfer of the methyl group from S-adenosylmethionine-methyl-C¹⁴ or methionine-methyl-C¹⁴ to C-28 of ergosterol has been studied. The effects of divalent cations, suithydryl inhibitors and reducing substances on the activity of the enzyme system have been investigated. It was established that for...

Resource Type:

Masters Thesis
Amino acid metabolism in Acetobacter suboxydans

Creator:

Kerwar, Suresh Shivarau

Abstract:

Nutritional studies with Acetobacter suboxydans indicated that when isoleucine, lysine, methionine, serine and arginine were singly omitted from a complete amino acid mixture, no growth was obtained. However, the organism could grow on single amino acids like glutamic acid, histidine and proline. No growth was obtained with ammonium sulfate as...

Resource Type:

Dissertation
The terminal reactions in the biosynthesis of methionine in Saccharomyces cerevisiae

Creator:

Pigg, C. JoAnne

Abstract:

The terminal reactions in the biosynthetic pathway of methionine in Saccharomyces cerevisiae were investigated in this study. Analyses of a number of methionine auxotrophs for biochemical deficiences established four mutant groups. It was observed from qualitative feeding experiments that some auxotrophs were able to utilize S-adenosylmethionine (AM) and S-adenosyl-homocysteine (AH)...

Resource Type:

Dissertation
The cysteine to homocysteine conversion in Saccharomyces cerevisiae

Creator:

Sorsoli, Wayne Aldo

Abstract:

The mechanism of transsulfuration and the role of cystathionine in the biosynthesis of methionine in yeast were investigated. Saccharomyces were shown to accumulate cystathionine by use of the ³⁵S labeled compound. Cell-free extracts of the wildtype clone as well as methionine auxotrophs were shown to cleave cystathionine. The enzymatically produced...

Resource Type:

Dissertation
Regulation of the terminal reactions for methionine biosynthesis in yeast

Creator:

Spence, Kemet Dean

Abstract:

Studies were carried out to elucidate the mechanism of enzymatic control of methionine biosynthesis in Saccharomyces cerevisiae. Enzymatic studies demonstrated that, in addition to the methionine activating enzyme, the S-adenosylmethionine:homocysteine transmethylase enzyme was induced during cultivation in the presence of excess methionine. A similar, though reduced effect was observed when...

Resource Type:

Dissertation

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Academic Affiliation

Microbiology21
Microbiology and Hygiene7

Advisor

Parks, Leo W.28

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1962 to 1987

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Creator

Pigg, C. Joanne2
Spence, Kemet Dean2
Turner, Jan Ross2
Adams, Bruce Gordon1
Bailey, Richard B.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1961 to 1986

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Decade

1980-19898
1970-19795
1960-196915

Degree Field

Microbiology22
Microbiology and Hygiene6

Degree Level

Doctoral18
Master's10

Degree Name

Doctor of Philosophy (Ph.D.)18
Master of Science (M.S.)10

Language

English [eng]28

Non-Academic Affiliation

Oregon State University. Graduate School28

Peer Reviewed

No28

Resource Type

Dissertation18
Masters Thesis10

Rights Statement

Copyright Not Evaluated28

Subject

Yeast10
Biosynthesis7
Methionine6
Saccharomyces6
Sterols4
more Subjects »

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