Glucose yeasts

In highly saline brines, which were collected from the Vassar Vertz Sand Unit, Pajme County, Oklahoma, diverse populations of anaerobic, heterotrophic bacteria were present. All strains grew in a mineral salts medium containing glucose, yeast extract, and casamino acids in the presence of NaCl concentrations of up to 20% by weight [177],... 

Dye contaminated soil Dye alone or dye with glucose, yeast extract Paenibacillus polymyxa, Micrococcus luteus, Micrococcus sp. [76]... 

Streptomyces alanosinicus n. sp. ATCC 15710 Peptone-agar-glucose-yeast extract medium Glucose... 

Oat meal agar slants seeded with Streptomyces alanosinicus n. sp. ATCC 15710 were incubated at 20°C for 7 to 10 days and then used to inoculate 100 ml of a peptone-agar-glucose-yeast extract medium contained in 500 ml Erlenmeyer flask. The composition of this termination medium is ... 

Starch Meat extract Peptone Glucose Yeast extract Soybean meal... 

Ethanol Production in Yeast When grown anaerobically on glucose, yeast (S. cerevisiae) converts pyruvate to acetaldehyde, then reduces acetaldehyde to ethanol using electrons from NADH. Write the equation for the second reaction, and calculate its equilibrium constant at 25 °C, given the standard reduction potentials in Table 13-7. 

The Gulf Oil Company developed a method called simultaneous saccharification and fermentation (SSF) for the enzymatic conversion of waste paper to ethanol.38 In this process the cellulose is enzymatically hydrolyzed and the glucose yeast-fermented in one operation. This modification, along with improved enzyme production and performance, has made the enzymatic technique more economically viable for the conversion of waste paper to ethanol. The process was donated to the University of Arkansas for further development. 

H2O, glucose, yeast, soya meal, NaCI, K2HPO4 pH 6.5,24 h... 

Host, host + fungus Endogenous, at 0,4, 8 days Endogenous, mycelial phase + Glucose, mycelial phase Endogenous, yeast phase + Glucose, yeast phase... 

A soln. of 3-(3,4-methylenedioxyphenyl)pentane-l,5-diol in methyl Cellosolve added to Achromobacter parvulus (ATCC 4335) in a soln. containing glucose, yeast extract, corn steep liquor, and Pepton (Merck), shaken 40hrs. at 30° (+)-3-... 

Under aerobic conditions and in the absence of high concentrations of glucose, yeast respires glucose. Under these circumstances pyruvic acid is oxidized and decarboxylated by the so-called pyruvate dehydrogenase complex. This system comprises three separate enzyme activities and is located within mitochondria. The three separate enzymes are pyruvate dehydrogenase, dihydrolipoyl transacetylase and dihydrolipoyl dehydrogenase (A, B and C in... 

In the laboratory, the cultivation is conducted in a liquid Hestrin-Schramm medium (glucose, yeast extract, peptone, citric acid and sodium phosphate) at pH 5 and 28°C. The cultures are grown in static containers or air flow (airlift bioreactors). The growing time depends on the desired thickness of the ensuing cellulose membrane. Several studies can be found on the growth kinetics of those microorganisms, based on fermentative processes [5]. 

Figure 1 Colonies of microorganisms on agar plates after incubation (A) close-up of bacteria pour plate, plate count agar (B) close-up of mold surface plate, oxytetracycline glucose yeast extract agar (C) Salmonella species streak plate, xylose lysine decarboxylase agar.

For small-scale cultivation of S. insignis, our laboratory has observed moderate anrhracycline production in GYE (glucose-yeast extract) medium consisting of 6.25% cerelose, 1.25% yeast extract, 0.33% NaO, and 0.625% GaCOj, pH 7.2 (78). Additional media useful for cultivation and fermentation of S. imignis also have been described pre-viousty (77,78). 

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