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Topic: Streptococcus thermophilus


In the News (Mon 28 Dec 09)

  
  Probiotics
He wrote in his book, The Prolongation of Life, that consumption of live bacteria, such as Lactobacillus bulgaricus and Streptococcus thermophilus, in the form of yogurt was beneficial for gastrointestinal health, as well as for health in general, and for longevity.
Streptococcus thermophilus is an alpha-hemolytic species of the viridans group.
Lactobacillus GG was found to eradicate Clostridium difficile in patients with relapsing colitis, and supplementation of infant formula milk with Bifidobacterium bifidum and Streptococcus thermophilus reduced rotavirus shedding and episodes of diarrhea in hospitalized children.
www.pdrhealth.com /drug_info/nmdrugprofiles/nutsupdrugs/pro_0034.shtml   (3310 words)

  
  Streptococcus thermophilus, Streptococcus faecium information
Streptococcus thermophilus and lactobacillus are efficient in preventing lactose intolerance.
Lactobacillus bulgaricus and Streptococcus thermophilus cultured in a test-tube appear to stimulate disease-fighting cells.
Streptococcus faecium, similar to Lactobacillus casei, is drawn to fiber.
www.vaxa.com /streptococcus.cfm   (342 words)

  
 Streptococcus - Wikipedia, the free encyclopedia
Streptococcus, a genus of spherical, Gram-positive bacteria of the phylum Firmicutes.
Individual species of Streptococcus are classified primarily based on their hemolytic properties (breakdown of red blood cells in a laboratory).
Streptococcus thermophilis is used in the manufacture of swiss cheese.
en.wikipedia.org /wiki/Streptococcus   (614 words)

  
 Streptococcus - MicrobeWiki
The gene sequence for the circular chromosomes of twelves pecies of streptococci have been sequenced: Streptococcus pneumoniae, Streptococcus agalactiae 2603 V/R, Streptococcus mutans, Streptococcus thermophilus CNRZ1066, Streptococcus thermophilus LMG 18311, and Streptococcus pyogenes.
The capsule of Streptococcus pyogenes is chemically similar to that of it's host's connective tissue, and therefore, is nonantigenic, and it's cytoplasmic membrane has antigens similar to human cardiac skeletal and smooth muscle.
Streptococcus pneumoniae resistance to erythromycin and penicillin in relation to macrolide and ß-lactam consumption in Spain (1979–1997).
microbewiki.kenyon.edu /index.php/Streptococcus   (1288 words)

  
 UCL/GENE - Streptococcus thermophilus : Introduction
Streptococcus thermophilus is of major importance for the food industry since it is massively used for the manufacture of dairy products (annual market of around 40 billion USD) and it is considered as the second most important industrial dairy starter after Lactococcus (Lc.
thermophilus genomes with published genomes of streptococcal pathogens highlights its relatedness to pathogenic species but also reveals that the most important determinants for pathogenicity are either absent or present as pseudogenes, unless they encode basic cellular functions.
thermophilus genome mainly through loss-of-function events (10% pseudogenes), even if lateral gene transfer played an important role, revealing that the dairy streptococcus has followed a evolutionary path divergent to that of pathogenic species due to its adaptation to the rather narrow and well-defined ecological niche, milk.
www.biol.ucl.ac.be /gene/genome/introduction.html   (368 words)

  
 Microbial Cell Factories | Full text | Transcriptional analysis of the recAgene of Streptococcus thermophilus
thermophilus, in addition to typical recA phenotypes (reduced growth rate and sensitivity to mitomycin C-induced DNA damages) also showed a strong reduction of viability and the appearance of a sub-population of morphologically altered cells in response to both heat shock and nutrient starvation [10].
The recombinant strain, S1, was grown at 42°C anaerobically in the presence and in the absence of a sublethal concentration (200 ng/ml) of mitomycin C [10] and exponentially growing cells collected by centrifugation and assayed for β-glucuronidase activity (Methods).
thermophilus and observed that expression of the gene is strictly regulated and induced by DNA damages.
www.microbialcellfactories.com /content/5/1/29   (3973 words)

  
 Streptococcus thermophilus 580 Produces a Bacteriocin Potentially Suitable for Inhibition of Clostridium tyrobutyricum ...
Streptococcus thermophilus 580 Produces a Bacteriocin Potentially Suitable for Inhibition of Clostridium tyrobutyricum in Hard Cheese -- Mathot et al.
A strain of Streptococcus thermophilus that inhibits Clostridium
Growth parameters of Streptococcus thermophilus 580 in pure culture and in coculture with Lactobacillus delbrueckii subsp.
jds.fass.org /cgi/content/full/86/10/3068   (3138 words)

  
 JGI Streptococcus thermophilus LMD-9 Home
Streptococcus thermophilus is used, along with Lactobacillus spp., as a starter culture for the manufacture of several important fermented dairy foods, including yogurt and Mozzarella cheese.
Streptococcus thermophilus cell wall-anchored proteinase: release, purification, and biochemical and genetic characterization.
Activation of silent gal genes in the lac-gal regulon of Streptococcus thermophilus.
genome.jgi-psf.org /draft_microbes/strth/strth.home.html   (768 words)

  
 The specificity of oligopeptide transport by Streptococcus thermophilus resembles that of Lactococcus lactis and not ...   (Site not responding. Last check: 2007-10-23)
The specificity of oligopeptide transport by Streptococcus thermophilus resembles that of Lactococcus lactis and not that of pathogenic streptococci -- Juille et al.
The specificity of oligopeptide transport by Streptococcus thermophilus resembles that of Lactococcus lactis and not that of pathogenic streptococci
thermophilus ST8 of the peptides from the PP10 pool eluting between 52 and 70 min during HPLC separation, as a function of peptide mass.
mic.sgmjournals.org /cgi/content/full/151/6/1987   (3528 words)

  
 Product Abstract: Thermophilus
The apparent molecular mass of L-asparaginase was found to be 33 kDa by SDS-PAGE, whereas by Sephacryl S-300 superfine column it was found to be 200 kDa, indicating that the enzyme in the native stage acts as hexamer.
Effects of ingestion of yogurts containing Bifidobacterium and Lactobacillus acidophilus on spleen and Peyer's patch lymphocyte populations in the mouse.
Three probiotic-supplemented yogurts containing Streptococcus thermophilus, Lactobacillus bulgaricus, Bifidobacterium, and Lactobacillus acidophilus and one conventional yogurt containing only S. thermophilus and L. bulgaricus were prepared from commercial starter cultures and used in the study.
www.lef.org /prod_hp/abstracts/php-ab_thermophilus.html   (875 words)

  
 Comparative Genomics of Streptococcus thermophilus Phage Species Supports a Modular Evolution Theory -- Lucchini et al. ...
thermophilus phages (39), the lysogeny region is a recombination
Molecular ecology of Streptococcus thermophilus bacteriophage infections in a cheese factory.
A highly conserved DNA replication module from Streptococcus thermophilus phages is similar in sequence and topology to a module from Lactococcus lactis phages.
jvi.asm.org /cgi/content/full/73/10/8647   (5271 words)

  
 Galactose and Lactose Genes from the Galactose-Positive Bacterium Streptococcus salivarius and the Phylogenetically ...
Streptococcus salivarius is an oral bacterium that is phylogenetically
thermophilus was harvested at an OD of 0.75.
Hamilton, I. Synthesis and degradation of intracellular polyglucose in Streptococcus salivarius.
jb.asm.org /cgi/content/full/184/3/785   (4867 words)

  
 BIP - The effect of protective ingredients on the survival of immobilized cells of Streptococcus thermophilus to air ...
The aim of this study was to evaluate the effect of various compounds in the growth medium as well as in the protective solutions on the survival of Streptococcus thermophilus cultures to CAD and FD.
It was demonstrated that the protective effect of trehalose to CAD drying was increased if this carbohydrate was found both on the internal and external sides of the cytoplasmic membrane.
Streptococcus thermophilus cultures were grown either on trehalose or lactose M-17 media.
www.ejbiotechnology.info /content/vol4/issue3/full/4/bip   (1104 words)

  
 Products with Probiotics
In the United States, yogurt is required to be produced by the fermentation by Lactobacillus bulgaricus and Streptococcus thermophilus.
The NYA is also currently petitioning the United States government to have the standard of identity of yogurt changed to require that the starter cultures be viable in the finished yogurt.
The yogurt starter culture bacteria, Streptococcus thermophilus and Lactobacillus bulgaricus, are present along with unspecified strains of Bifidobacterium species, Lactobacillus casei, Lactobacillus acidophilus and Lactobacillus reuteri.
www.usprobiotics.org /products   (2397 words)

  
 BioMed Central | Full text | Small-scale analysis of exopolysaccharides from Streptococcus thermophilus grown in a ...
thermophilus was recently reported to be unable to liberate monomeric proline [10].
Hardy et al [11] reported that strong acid hydrolysis was needed for the total release of amino sugars which, however, also decreased the yields of galactose and glucose.
The standard deviation for the method of De Vuyst et al has been reported to be 20% [14] and this may be partly attributed to the fact that the polysaccharide pellets are easily lost during purification.
www.biomedcentral.com /1471-2180/1/23   (2541 words)

  
 Microbial Cell Factories | Abstract | Transcriptional analysis of the recAgene of Streptococcus thermophilus
We have characterized the promoter region of the gene and observed that its expression is strongly induced by DNA damage.
thermophilus acts in a RecA-independent way since recA induction was observed in a strain carrying a recA null mutation.
thermophilus, as in many other bacteria,recA expression is strongly induced by DNA damage, however, in this organism expression of the gene is controlled by a factor different from those well characterized in other bacteria.
www.microbialcellfactories.com /content/5/1/29/abstract   (346 words)

  
 Role of Streptococcus thermophilus MR-1C Capsular Exopolysaccharide in Cheese Moisture Retention -- Low et al. 64 (6): ...
Role of Streptococcus thermophilus MR-1C Capsular Exopolysaccharide in Cheese Moisture Retention
thermophilus MR-1C capsular EPS was responsible for the water-binding property of this bacterium,
Almirón-Roig, E., Mulholland, F., Gasson, M. J., Griffin, A. The complete cps gene cluster from Streptococcus thermophilus NCFB 2393 involved in the biosynthesis of a new exopolysaccharide.
aem.asm.org /cgi/content/full/64/6/2147   (3467 words)

  
 FDA/CFSAN: Agency Response Letter: GRAS Notice No. GRN 000049   (Site not responding. Last check: 2007-10-23)
The genus Streptococcus is characterized by Gram-positive spherical or ovoid bacteria that are typically arranged in chains or pairs.
thermophilus strain Th4 are GRAS for their intended use as ingredients in milk-based infant formula that is intended for consumption by infants four months and older at levels not to exceed good manufacturing practice.
thermophilus strain Th4 are GRAS under the conditions of their intended use, Nestlé raises a number of issues under the labeling provisions of the FFDCA.
vm.cfsan.fda.gov /~rdb/opa-g049.html   (1644 words)

  
 Probiotic Organisms   (Site not responding. Last check: 2007-10-23)
thermophilus and L bulgaricus) did not survive when the elderly were given yogurt or pasteurized yogurt.
Streptococcus strains are mostly noted pathogens causing illnesses that range from sore throats to rheumatic fever.
thermophilus is a gram-positive facultative anaerobe; cytochrome-, oxidase- and catalase-negative; nonmotile, non-spore forming and homofermentative; an alpha-hemolytic species of the viridans group; and, classified as a lactic acid bacteria.
www.innvista.com /health/nutrition/biotics/proborg.htm   (4586 words)

  
 [No title]
Levander F, Rådström P (2001) Requirement for phosphoglucomutase in exopolysaccharide biosynthesis in glucose- and lactose-utilizing Streptococcus thermophilus.
Dahlenborg M, Borch E, Rådström P (2001) Development of a combined selection and enrichment PCR procedure for Clostridium botulinum types B, E and F and its use to determine prevalence in fecal samples from slaughtered pigs.
Levander F, Svensson M, Rådström P (2001) Small-scale analysis of exopolysaccharides from Streptococcus thermophilus grown in a semi-defined medium.
www.tmb.lth.se /prprp.htm   (1873 words)

  
 Facultyhome
Characterisation of Streptococcus thermophilus CNRZ1205 and its cured and re-lysogenised derivatives.
Identification of four loci isolated from two Streptococcus thermophilus phage genomes responsible for mediating bacteriophage resistance.
The Streptococcus thermophilus autolytic phenotype results from a leaky prophage.
www.ucc.ie /academic/faculties/foodfac/vansinderen.htm   (183 words)

  
 Activation of Silent gal Genes in the lac-gal Regulon of Streptococcus thermophilus -- Vaughan et al. 183 (4): 1184 -- ...
Activation of Silent gal Genes in the lac-gal Regulon of Streptococcus thermophilus -- Vaughan et al.
Streptococcus thermophilus strain CNRZ 302 is unable to ferment galactose, neither that generated intracellularly by lactose
Cochu, A., Roy, D., Vaillancourt, K., LeMay, J.-D., Casabon, I., Frenette, M., Moineau, S., Vadeboncoeur, C. The Doubly Phosphorylated Form of HPr, HPr(Ser-P)(His~P), Is Abundant in Exponentially Growing Cells of Streptococcus thermophilus and Phosphorylates the Lactose Transporter LacS as Efficiently as HPr(His~P).
jb.asm.org /cgi/content/abstract/183/4/1184   (657 words)

  
 ExPASy BLAST form
STRT2 Streptococcus thermophilus (strain ATCC BAA-250 / LMG 18311) genome
THET2 Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039) genome
THET8 Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) genome
www.expasy.ch /tools/blast   (1659 words)

  
 Branched-Chain Amino Acid Biosynthesis Is Essential for Optimal Growth of Streptococcus thermophilus in Milk -- Garault ...
Branched-Chain Amino Acid Biosynthesis Is Essential for Optimal Growth of Streptococcus thermophilus in Milk -- Garault et al.
Monnet, C., Mora, D., Corrieu, G. Glutamine Synthesis Is Essential for Growth of Streptococcus thermophilus in Milk and Is Linked to Urea Catabolism.
Juille, O., Bars, D. L., Juillard, V. The specificity of oligopeptide transport by Streptococcus thermophilus resembles that of Lactococcus lactis and not that of pathogenic streptococci.
aem.asm.org /cgi/content/abstract/66/12/5128   (451 words)

  
 Streptococcus waius sp. nov., a thermophilic streptococcus from a biofilm -- Flint et al. 49 (2): 759 -- International ...
nov., a thermophilic streptococcus from a biofilm -- Flint et al.
Streptococcus waius (from waiu, the New Zealand Maori word for milk).
Reappraisal of the taxonomy of the Streptococcus bovis/Streptococcus equinus complex and related species: description of Streptococcus gallolyticus subsp.
ijs.sgmjournals.org /cgi/content/abstract/49/2/759   (354 words)

  
 Food Product Design: Design Elements - New Directions for Cultured Dairy Products   (Site not responding. Last check: 2007-10-23)
Streptococcus thermophilus grows best at 35° to 41°C, and will grow in 2.5% salt.
thermophilus are synergistic, producing acid and acetaldehyde (optimally at pH less than 5.0).
In the United States, most people do not care for the "nutty" flavor of acetaldehyde, so sugar, flavor and/or fruit are generally added.
www.foodproductdesign.com /archive/2000/0300de.html   (3373 words)

  
 Streptococcus thermophilus promotes recovery from Diarrhea   (Site not responding. Last check: 2007-10-23)
Effect of bifidobacterium Bb12 with or without Streptococcus thermophilus supplemented formula on nutritional status.
A double-blind, placebo-controlled trial was done in 148 children aged 6-36 months.
They were divided into 3 groups: the Bb12 group, 51 children received infant formula with Bifidobacteria Bb12 supplement; the Bb12+ST group, 54 children received infant formula with Bb12 and Streptococcus thermophilus supplement; and the control group, 43 children received infant formula without supplement.
www.herbalfields.com /c84.html   (301 words)

  
 DSM Food Specialties - Potential Food-Grade Cloning Vector for Streptococcus thermophilus
A Potential Food-Grade Cloning Vector for Streptococcus thermophilus that uses Cadmium Resistance as the Selectable Marker
thermophilus replicon derived from the shuttle vector pND913, pND919 is able to replicate in the two S.
thermophilus further indicates its usefulness as a potential food-grade cloning vector.
www.dsm.com /en_US/html/dfs/rnd_publ_cloning_vector_s_thermoph.htm   (193 words)

  
 IngentaConnect The Structural Gene Module in Streptococcus thermophilus Bacterio...   (Site not responding. Last check: 2007-10-23)
IngentaConnect The Structural Gene Module in Streptococcus thermophilus Bacterio...
The structural gene cluster and the lysis module from lytic group II Streptococcus thermophilus bacteriophage phiSfi11 was compared to the corresponding region from other Siphoviridae.
Orf 1291 from phiSfi19 was replaced by four genes in phiSfi11, two of which (orf 1000 and orf 695) showed a complicated pattern of similarity and nonsimilarity compared with phiSfi19.
www.ingentaconnect.com /content/ap/vy/1998/00000246/00000001/art09190   (334 words)

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