tolerance‚ flocculence‚ thermo-and osmo-tolerance. Saccharomyces cerevisiae R-8 exhibited the best attributes for ethanol production by being highly flocculent‚ tolerant to v o v 6 - 12% ( /V) ethanol‚ fermentatively active at 37 - 42 C and fermented 40% ( /V) glucose. S. cerevisiae T-7 and S.cerevisiae R-2 showed rapid fermentative activity on maltose by liberating 150 and 120 µl of CO2 in 6 h‚ respectively. Debaryomyces hansenii B-2 and Saccharomyces kluvveri K-6 each fermented 40% v o (( /V)
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marxianus‚ Saccharomyces cerevisiae and Rhodotorula glutinis were Dominant isolated. The yeasts may also develop on the surfaces of production equipment‚ such as mixing vessels and filling machines‚ that have been poorly cleaned and sanitized (Davis‚ 1970‚ 1975; Suriyarachchi and Fleet‚ 1981;
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INTRODUCTION Background of the Study Jackfruit (Artocarpus heterophyllus L) is an evergreen tree that grows up to 10 feet under favorable conditions. They are an important food wherever grown. Archeological findings have revealed that jackfruit were cultivated in India 3000 to 6000 years ago. Jackfruit is widely grown in Bangladesh‚ Burma‚ Sri Lanka‚ Malaysia‚ and Indonesia‚ Philippines‚ Brazil and other tropical countries. It bears fruits that are green or yellow in the exterior when ripe. The
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As suggested‚ we performed the enzymatic experiments as described in material and methods. It was observed that CgAKR-1 has activity on acetaldehyde‚ corresponding to 59.2 % of the activity with the standard substrate 2-nitrobenzadehyde. Moreover‚ the enzyme had no activity against acetone (Propanone); the result was included in Table 1. According to Santoro et al. [76]‚ it was not detected acetaldehyde in hemicellulosic hydrolysate‚ which was produced at the same conditions described in the present
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ISOLATION AND CHARACTERIZATION OF NUCLEIC ACIDS Jan Eric C. Balete‚ Dorinne P. Barretto‚ Divine Trisha Angela T. Batac‚ Neill Steven C. Cachuela‚ Karel D. Cartagena Group 2 2C Medical Technology Biochemistry Laboratory ABSTRACT fgdfgdgdfgfdfgd INTRODUCTION Nucleic acids are informational molecules with their primary structure containing a code or set of directions by which they can duplicate themselves and guide the synthesis of proteins. [1] They are very large molecules built from subunits
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Definition of Terms The following terms were defined for the readers to have a better understanding of the reserch paper. Active constituent. It refers to the component of the plant responsible for the exhibitory activity of the drug.1 Agar. It is gelatinous colloidal extractive of a red alga (as of the genera Gelidium‚ Gracilaria‚ and Eucheuma) used especially in culture media or as a gelling and stabilizing agent in foods.2 Agar-well diffusion method.3 It is a method of bioassay wherein
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PRA 0402 Citation Harrison E‚ Koufopanou V‚ Burt A‚ MacLean RC. 2012. The cost of copy number in a selfish genetic element: the 2-μm plasmid of Saccharomyces cerevisiae. J Evol Biol 25(11): 2348-56. What are the actors (e.g.‚ what parts of the organism are in conflict) and what are they in conflict over? The 2 μm plasmid of Saccharomyces yeast is in conflict with the cell host‚ this plasmid cost the host through using the cells’ resources ; meaning a burden on the host to synthesize more
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the lignocellulosic feed stocks‚ is making the organisms unsuitable for CBP applications[168]. Genetic engineering approaches in this area like integration of genes from a cellulase producing strain into the ethanol producing strains like Saccharomyces cerevisiae was found to be inappropriate since transfer of very high number of these genes might influence the execution of cell‚ their co-expression at the transcriptional level is often lop-sided causing ER-stress to the host cell [167]. Although
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THE EFFECT OF INHIBITORS AND MANIPULATION IN ENERGY PRODUCTION OF YEAST CELLS FOR GLYCOLYSIS AND FERMENTATION INTRODUCTION The aim of this experiment was to study the process of alcoholic fermentation in Saccharomyces cerevisiae (yeast cells) and measure the rate of Co2 production during anaerobic breakdown of the respiratory substrate‚ sucrose‚ in the yeast cells. The effects of an inhibitor on respiratory enzyme were also looked at. It is hypothesized that the five different reaction mixtures
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Bacteria are unicellular and ultra-microscopic organisms‚ yet they play an important role in nature. They are of tremendous importance to man. They play an important role in agriculture and medicine and are the basis of many industries. Some are beneficial to man directly or indirectly‚ others are very harmful as they cause various plant and animal diseases. Bacteria are considered as our friends and foes due to their beneficial and harmful activities. Their economic importance can be studied under
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