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Showing 1 to 12 of 136 entries
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The effect of different temperatures on fatty-acid synthesis and polyunsaturation in cell suspension cultures.

Planta

Maccarthy JJ, Stumpf PK.
PMID: 24311159
Planta. 1980 Feb;147(5):389-95. doi: 10.1007/BF00380178.

Cell suspension cultures of Catharanthus roseus G. Don, Glycine max (L.) Merr. and Nicotiana tabacum L. were incubated with [(14)C]acetate, [(14)C]oleic acid and [(14)C]linoleic acid at five different temperatures ranging from 15 to 35° C. When the incubation temperature...

Incorporation of [2(14)C]malonyl CoA into fatty acids by a cell-free extract of Catharanthus roseus suspension culture cells.

Planta

Maccarthy JJ, Stumpf PK.
PMID: 24306892
Planta. 1980 Dec;150(5):412-8. doi: 10.1007/BF00390178.

A cell-free extract containing the enzymes for de-novo synthesis, elongation and desaturation of fatty acids was prepared from cultured cells of Catharanthus roseus G. Don. (14)C-Fatty acids synthesized by the extract from [2-(14)C]malonyl CoA substrate were palmitic (16:0), stearic...

Fusarium species and fumonisins associated with maize kernels produced in Rio Grande do Sul State for the 2008/09 and 2009/10 growing seasons.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]

Stumpf R, Dos Santos J, Gomes LB, Silva CN, Tessmann DJ, Ferreira FD, Machinski M, Del Ponte EM.
PMID: 24159288
Braz J Microbiol. 2013 May 31;44(1):89-95. doi: 10.1590/S1517-83822013000100012.

Ear rots caused by Fusarium spp. are among the main fungal diseases that contribute to poor quality and the contamination of maize grains with mycotoxins. This study aimed to determine the visual incidence of fungal-damaged kernels (FDKs), the incidence...

Ultrasonic Disintegration as Method of Extracting Bacterial Enzymes.

Journal of bacteriology

Stumpf PK, Green DE, Smith FW.
PMID: 16561101
J Bacteriol. 1946 Apr;51(4):487-93.

No abstract available.

Agricultural research initiative.

Science (New York, N.Y.)

Stumpf PK.
PMID: 17741029
Science. 1989 Jun 02;244(4908):1029. doi: 10.1126/science.244.4908.1029-a.

No abstract available.

Radar systems.

Science (New York, N.Y.)

Stumpf DK.
PMID: 17759046
Science. 1988 Feb 05;239(4840):543-4. doi: 10.1126/science.239.4840.543-d.

No abstract available.

Long Chain (C(20) and C(22)) Fatty Acid Biosynthesis in Developing Seeds of Tropaeolum majus: AN IN VIVO STUDY.

Plant physiology

Pollard MR, Stumpf PK.
PMID: 16661495
Plant Physiol. 1980 Oct;66(4):641-8. doi: 10.1104/pp.66.4.641.

The storage triacylglycerols of nasturtium (Tropaeolum majus) seeds are composed principally of cis-11-eicosenoate and cis-13-docosenoate. To investigate the biosynthesis of these C(20) and C(22) fatty acids, developing seed tissue was incubated with various (14)C-labeled precursors. Incubation with [1-(14)C]acetate produced...

Biosynthesis of C(20) and C(22) Fatty Acids by Developing Seeds of Limnanthes alba: CHAIN ELONGATION AND Delta5 DESATURATION.

Plant physiology

Pollard MR, Stumpf PK.
PMID: 16661496
Plant Physiol. 1980 Oct;66(4):649-55. doi: 10.1104/pp.66.4.649.

The storage triacylglycerols of meadowfoam (Limnanthes alba) seeds are composed essentially of C(20) and C(22) fatty acids, which contain an unusual Delta5 double bond. When [1-(14)C]acetate was incubated with developing seed slices, (14)C-labeled fatty acids were synthesized with a...

In Vitro Fatty Acid Synthesis and Complex Lipid Metabolism in the Cyanobacterium Anabaena variabilis: I. Some Characteristics of Fatty Acid Synthesis.

Plant physiology

Lem NW, Stumpf PK.
PMID: 16663367
Plant Physiol. 1984 Jan;74(1):134-8. doi: 10.1104/pp.74.1.134.

In vitro fatty acid synthesis was examined in crude cell extracts, soluble fractions, and 80% (NH(4))(2)SO(4) fractions from Anabaena variabilis M3. Fatty acid synthesis was absolutely dependent upon acyl carrier protein and required NADPH and NADH. Moreover, fatty acid...

In Vivo Pathway of Oleate and Linoleate Desaturation in Developing Cotyledons of Cucumis sativus L. Seedlings.

Plant physiology

Murphy DJ, Stumpf PK.
PMID: 16661499
Plant Physiol. 1980 Oct;66(4):666-71. doi: 10.1104/pp.66.4.666.

Exogenous [1-(14)C]oleic acid and [1-(14)C]linoleic acid were taken up and esterified to complex lipids by greening cucumber (Cucumis sativus L.) cotyledons. Both (14)C-labeled fatty acids were initially esterified to phosphatidylcholine prior to eventual accumulation in triacylglycerols and galactolipids. Kinetic...

Organic Acid contents of soybean: age and source of nitrogen.

Plant physiology

Stumpf DK, Burris RH.
PMID: 16662077
Plant Physiol. 1981 Nov;68(5):989-91. doi: 10.1104/pp.68.5.989.

The organic acid content of soybean (Glycine max v. Hodgson) root, stem, and leaf tissue was followed for 33 days after germination. Malonate was the predominant acid in leaf and root tissue, whereas fumarate was predominant in the stem....

Regulation of Plant Acetyl-CoA Carboxylase by Adenylate Nucleotides.

Plant physiology

Eastwell KC, Stumpf PK.
PMID: 16662980
Plant Physiol. 1983 May;72(1):50-5. doi: 10.1104/pp.72.1.50.

The assay of acetyl-CoA carboxylase (EC 6.4.1.2) does not follow ideal zero-order kinetics when assayed in a crude extract from wheat (Triticum aestivum L.) germ. Our results show that the lack of ideality is the consequence of contamination by...

Showing 1 to 12 of 136 entries