Acetic Acid Bacteria - screening of LAB strains

... the occurrence of lactic acid bacteria spectrum,L. plantarum constituted the highest number of LABisolated from fermented plant materials. The involvementof various types of LAB in fermented ... majorityof the substrate used in the preparation of the fermentedTable 1: Species and frequency of occurrence of lactic acid bacteria isolatedfrom fermenteddairy and non-dairy foodFreqency of Source ... production of exopolysaccharides (EPSs), which is animportant factor in assuring the proper consistency and texture of fermented food. One hundred and fifteenstrains of Lactic Acid Bacteria (LAB) were...

Acetic Acid Bacteria 1

... engineered acetic acid bacteria [2 ]- [3]. As originally defined, the acid acetic bacteria comprised a group of gram-negative, aerobic, motile rods that carried out incomplete oxidation of alcohol ... Hours Ethanol % 4 5 6 7 8 9 10 Growth +4 +4 +3 +2 - - - Acid Production +4 +4 +3 +2 - - - TABLE II GROWTH AND ACETIC ACID PRODUCTION IN DIFFERENT ETHANOL CONCENTRATION AT 30º ... flexibility of K. Beheshti Maal is with Department of Microbiology, Islamic Azad University of Falavarjan, Falavarjan 84515/155, Esfahan, Iran (Corresponding author, telefax: +9 8-3 3 5-3 2 2-0 136; e-mail:...

Acetic Acid Bacteria 2

... bacteria strains, 10 active strains were selected which have properties of Lactobacillus.7 - 10 selected strains producing lactic acid strongly (over 2000T), were able to inhibit the growth of some bacteria ... Department of Biology, College of Science, VNU, 334 Nguyen Trai, Hanoi, Vietnam 2Department of Microbiology, National Institute of Nutrition, 1 Yersin, Hanoi, Vietnam - Out of 50 isolated lactic bacteria ... Stanlet, “Comparison of two strains of Lactobacillus acidophilus as dietary adjuncts for young calves”, J. Dairy Sci. 63 (1980) 964. Study on characteristics of lactic acid bacteria isolated...

BT 3 optimization of medium for indole 3 acetic acid production using pantoea agglomerans strain PVM

... amino acids (l-glycine, l-alanine, l-valine, l-leucine, l-isoluceine, l-phenylalanine, l-tyrosine, l-tryptophan, l-aspartic acid, l-glutamic acid, l-histidine, l-arginine, l-asparagine, l-cystein, ... -tryptophan used (g l –1 ) 0 0·2 0·4 0·6 0·8 1 1·2 1·4 1·6 L -glycine L -alanine L -valine L -leucine L -isoleucine L -phenylalanine L -tyrosine L -tryptophan L -aspartic acid L -glutamic L -histidine ... Optimization of pH for IAA production; IAA produced ( ), L -tryptophan used ( ). IAA, indole-3 -acetic acid. O.A. Apine and J.P. Jadhav Biosynthesis of indole-3 -acetic acid ª 2011 The Authors Journal of...

Screening of PHA-Producing Bacteria Using Biodiesel- Derived Waste Glycerol as a Sole Carbon Source

... Isolation of PHA-producing bacteria Bacterial isolation was done by ten-fold dilution of seven-day-old culture of wastewater consortium spread on NA plates. Twenty six bacterial isolates of different ... Yamaguchi University, Email: imai@yamaguchi-u.ac.jp Received June 9, 2010, Accepted September 10, 2010. - 373 - Screening of PHA-Producing Bacteria Using Bio- diesel-Derived Waste Glycerol as a Sole Carbon ... (1990). Production of Poly-(β-hydroxybutyric-co-β-hydroxyvaleric) Acids, Appl. and Environ. Microbiol., 56(7), 209 3-2 098. Siriwardhana M., Opathella G. K. C. and Jha M. K. (2009). Bio-diesel: Initiatives,...

Tài liệu Báo cáo khoa học: Crystal structure of thiamindiphosphate-dependent indolepyruvate decarboxylase from Enterobacter cloacae, an enzyme involved in the biosynthesis of the plant hormone indole-3-acetic acid doc

... indolepyruvic acid (IPA) pathway. This pathway starts fromL-trypto-phan, and consists of three steps: (a) the conversion of tryptophan to indole-3-pyruvic acid; (b) the formation of indole-3-acetaldehyde; ... the purified enzyme was confirmed by N-terminalamino acid sequence analysis (Met-Arg-Thr-Pro-Tyr-Cys-Val-Ala).Structure determinationThe crystals of holo-IPDC belong to the space group P21212with ... & Syono, K. (1996) The excessive production of indole-3 -acetic acid and its significance in studies of the bio-synthesis of this regulator of plant growth and development. PlantCell Physiol....

Báo cáo khoa học: Studies on structure–function relationships of indolepyruvate decarboxylase from Enterobacter cloacae, a key enzyme of the indole acetic acid pathway ppt

... nucleotide sequence of thestructural gene. The N-terminal amino acid sequence of the puriﬁed enzyme (Met-Arg-Thr-Pro-Tyr-Cys-Val-Ala) isidentical to that of the nucleotide sequence of the EcIPDCgene ... rhizosphere of cucumbers, produces large amounts of indole-3 -acetic acid. Indolepyruvate decarboxylase, the key enzyme in thebiosynthetic pathway of indole-3 -acetic acid, catalyses theformation of indole-3-acetaldehyde ... rooting,is produced by plants [1,2] and plant-associated bacteria [3,4]. Both tryptophan-dependent and -independent path-ways of indole-3 -acetic acid synthesis have been described[5,6]. Plants...

Separation of acetic acid and water by distillation effect of calcium chloride addition

... INVESTIGATION - 80 - 0 0 0. 4 ' 6 0- f K w l- ; I t- 4 0- i5 - w e 20 - I I I I 1 I I I I 20 40 60 80 100 0 WEIGHT % WATER IN LIQUID Figure 2. Vapor-Liquid ... Behavior of Acetic Acid- Water System Pressure, 760 mm. Hg iich region but only to about 30 weight % in the acid- rich range. For any particular run, the acetic acid- water ... titration, t: dis- charge the caustic-phenolphthalein end point color with a fraction of a drop of acetic acid. This method of determining chloride in the presence of sodium...

Analysis and practical implementation of a model for combined growth and metabolite production of lactic acid bacteria

... LAB thus can serve as an additional016 8-1 605/02/$ - see front matter D 2002 Elsevier Science B.V. All rights reserved.PII: S 016 8-1 605(01)0064 1-9 *Corresponding author. Tel.: +3 2-1 6-3 2-1 9-4 7; ... theoret-ical analysis of the model. Some mathematical proper-ties of the model are discussed, and an easy-to-usemethod to take into account the evolution of pH andundissociated lactic acid ... approach to predictingbacterial growth in food. International Journal of Food Micro-biology 23, 277– 294.Matilla-Sandholm, T., Skytta¨, E., 1996. The role of lactic acid bac-teria as protective...

Tài liệu Báo cáo khoa học: Fatty acid synthesis Role of active site histidines and lysine in Cys-His-His-type b-ketoacyl-acyl carrier protein synthases ppt

... chain. A subgroup of b-ketoacyl-ACP synthases, including mitochond-rial b-ketoacyl-ACP synthase, bacterial plus plastid b-ketoacyl-ACPsynthases I and II, and a domain of human fatty acid synthase, ... (5¢-GGCGATTTCTGCAACCCACGCCATGACCGGTCAC-3¢)K328R, (5¢-GGCGATTTCTGCAACCCGTGCCATGACCGGTCAC-3¢)K328E, (5¢-GGCGATTTCTGCAACCGAAGCCATGACCGGTCAC-3¢)K328I, (5¢-GGCGATTTCTGCAACCATTGCCATGACCGGTCAC-3¢)K328F, ... Wettstein-Knowles P, Sigg-aard-Andersen M & Larsen S (2001) Structures of b-ketoacyl-acyl carrier protein synthase I complexedwith fatty acids elucidate its catalytic machinery. Struc-ture...

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