Publications
Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
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endotoxin induces eosinophil accumulation in the rat pleural cavity. | changes in eosinophil counts after intrathoracic (it) injection of endotoxin (lps) were investigated in wistar rats (150-180 g). increasing doses of endotoxin (62.5-500 ng/cavity) induced a dose-dependent increase in the number of eosinophils recovered from the rat pleural cavity 24 h later. the eosinophilia was apparent within 24 h, peaked within 48 h (from 0.76 +/- 0.12 to 3.68 +/- 0.51 eosinophils x 10(6)/cavity, p less than 0.001) and returned to basal levels 120 h after the it injection of ... | 1991 | 1797292 |
effects of the glycine prodrug milacemide (2-n-pentylaminoacetamide) on catecholamine secretion from isolated adrenal medulla chromaffin cells. | 1. milacemide (2-n-pentylaminoacetamide) is a glycine prodrug which readily crosses the blood brain barrier and increases brain glycine and glycineamide. in vitro and in vivo studies, with numerous tissues, including adrenal chromaffin cells, have clearly shown that the formation of the latter metabolites is exclusively mediated by monoamine oxidase b for which milacemide is a substrate. 2. milacemide, glycineamide and glycine caused a time- and dose-dependent release of catecholamines from bovi ... | 1991 | 1797336 |
effects of the glycine prodrug milacemide (2-n-pentylaminoacetamide) on catecholamine secretion from isolated adrenal medulla chromaffin cells. | 1. milacemide (2-n-pentylaminoacetamide) is a glycine prodrug which readily crosses the blood brain barrier and increases brain glycine and glycineamide. in vitro and in vivo studies, with numerous tissues, including adrenal chromaffin cells, have clearly shown that the formation of the latter metabolites is exclusively mediated by monoamine oxidase b for which milacemide is a substrate. 2. milacemide, glycineamide and glycine caused a time- and dose-dependent release of catecholamines from bovi ... | 1991 | 1797336 |
intravenous hypertonic saline induces fos immunoreactivity in neurons throughout the lamina terminalis. | expression of fos, the protein product of c-fos, was studied immunohistochemically in the forebrain of rats infused intravenously with hypertonic solutions. intravenous 1.5 or 0.75 mol/l nacl or 1.2 mol/l sucrose in 0.15 mol/l nacl, but not isotonic 0.15 mol/l nacl, caused increased fos expression in the hypothalamic paraventricular and supraoptic nuclei and throughout the lamina terminalis (organum vasculosum laminae terminalis, median preoptic nucleus and subfornical organ). these results show ... | 1991 | 1797341 |
intravenous hypertonic saline induces fos immunoreactivity in neurons throughout the lamina terminalis. | expression of fos, the protein product of c-fos, was studied immunohistochemically in the forebrain of rats infused intravenously with hypertonic solutions. intravenous 1.5 or 0.75 mol/l nacl or 1.2 mol/l sucrose in 0.15 mol/l nacl, but not isotonic 0.15 mol/l nacl, caused increased fos expression in the hypothalamic paraventricular and supraoptic nuclei and throughout the lamina terminalis (organum vasculosum laminae terminalis, median preoptic nucleus and subfornical organ). these results show ... | 1991 | 1797341 |
overproduction of glutamate racemase of pediococcus pentosaceus in escherichia coli clone cells and its purification. | we previously isolated a 6.0-kb dna fragment that specifies glutamate racemase activity from the chromosomal dna of pediococcus pentosaceus by digestion with hindiii (n. nakajima, k. tanizawa, h. tanaka, and k. soda, 1986), agric. biol. chem. 50, 2823-2830). we digested it further with ecori to obtain a fragment of 1.8 kb, which was blunt-ended and ligated into the smai site of vector plasmid pkk223-3. the recombinant plasmid showed a high glutamate racemase activity upon transformation of esche ... | 1991 | 1821778 |
[3h]mk-801 binding to n-methyl-d-aspartate receptors solubilized from rat brain: effects of glycine site ligands, polyamines, ifenprodil, and desipramine. | the n-methyl-d-aspartate (nmda) receptor is thought to contain several distinct binding sites that can regulate channel opening. in the present experiments, the effects of ligands for these sites have been examined on [3h]mk-801 binding to a soluble receptor preparation, which had been passed down a gel filtration column to reduce the levels of endogenous small-molecular-weight substances. glycine site agonists, partial agonists, and antagonists gave effects similar to those observed in membrane ... | 1991 | 1828832 |
cyclophellitol: a naturally occurring mechanism-based inactivator of beta-glucosidases. | the natural product cyclophellitol, isolated from the culture filtrate of a mushroom, phellinus sp. is found to be a highly specific and effective irreversible inactivator of beta-glucosidases. it inactivates the beta-glucosidases from both almond emulsin and agrobacter sp. according to pseudo-first order kinetics with inactivation constants of ki = 0.34 mm, ki = 2.38 min-1, and ki = 0.055 mm, ki = 1.26 min-1 respectively. no reactivation of the inactivated enzyme is seen upon dialysis, thus pro ... | 1991 | 1904221 |
the effect of pediococcus damnosus and pediococcus pentosaceus on the growth of pathogens in minced meat. | the antibacterial effects of one strain of pediococcus damnosus and two strains of pediococcus pentosacaeus against clostridium perfringens, listeria monocytogenes, salmonella infantis and yersinia enterocolitica were investigated. growth inhibition studies were conducted in juice from minced meat incubated at +6 degrees c and +15 degrees c for various periods after the inoculation with pediococci. inhibitory effects were seen for all bacteria tested. | 1991 | 1907475 |
the occurrence and growth of microorganisms during the fermentation of fish sausage. | minced fish (mullet) sausage mixes containing added sugar, salt, nitrate, nitrite and spices were fermented (48 h, 30 degrees c) by indigenous flora or by a starter culture (pediococcus acidilactici) and the microbial ecology and behaviour of various bacteria was monitored. pediococcus pentosaceus and lactobacillus plantarum dominated the indigenous fermentation, achieving populations of 10(7)-10(8) cfu/g by 48 h, and decreasing the ph of the mix to 4.5-4.7. significant growth (10(5)-10(7) cfu/g ... | 1991 | 1909546 |
use of dna probes in the study of silage colonization by lactobacillus and pediococcus strains. | a technique to monitor lactic acid bacteria inoculants in silage, based on specific dna probes, was developed and used to evaluate the colonization properties of two strains of lactobacillus plantarum and one strain of pediococcus pentosaceus which were used as maize silage inoculants in farm conditions. the results indicated that these three strains were able to dominate the natural microflora of the silage, representing more than the 95% of the bacterial biomass of the maize silage. these stud ... | 1991 | 1960106 |
oxidized low density lipoproteins inhibit relaxations of porcine coronary arteries. role of scavenger receptor and endothelium-derived nitric oxide. | we studied the effects of low density lipoprotein (ldl) on endothelium function. | 1991 | 2040054 |
isolation and characterization of microorganisms associated with the traditional sorghum fermentation for production of sudanese kisra. | sorghum flour obtained from sudan was mixed with water in a 1:2 (wt/vol) ratio and fermented at 30 degrees c for 24 h. the bacterial populations increased with fermentation time and reached a plateau at approximately 18 h. at the end of 24 h, sorghum batter ph had dropped from 5.95 to 3.95 and the batter had a lactic acid content of 0.80%. the microbial population during the 24 h of fermentation consisted of bacteria (pediococcus pentosaceus, lactobacillus confusus, lactobacillus brevis, lactoba ... | 1991 | 16348551 |
growth characteristics of meat starter cultures. | the australian code of practice for manufacture of dry and semi-dry sausage (salami) states that fermentation temperatures must not exceed 25°c and that a ph of 5·2 must be achieved in the product within 48 h. in order to select the most appropriate starter cultures for fermentation, lactobacillus plantarum, pediococcus pentosaceus and staphylococcus carnosus were characterised with respect to growth and acid production determined at constant ph (4·7, 5·5 and 6·3). l. plantarum and p. pentosaceu ... | 1991 | 22061650 |
coercive treatment for alcoholic 'driving under the influence of liquor' offenders. | 1991 | 270362 | |
fermentation of millet to produce kamu a nigerian starch-cake food. | microorganisms present in the unfermented grains of millet at the initial stage of steeping and after sieving at the initial stage of souring for the preparation of kamu were moulds (aspergillus versicolor, penicillim nigricans and rhizopus stolonifer), bacteria (pediococcus pentosaceus and lactobaclllus plantarum) and a yeast (saccharomyces cerevisiae). only the bacteria and yeast persisted to the end of the steeping period. these, together with another yeast, candida krusel, brought about the ... | 1991 | 24424932 |
on the mechanism of action of picrotoxin on gaba receptor channels in dissociated sympathetic neurones of the rat. | 1. the mechanism of action of picrotoxin on gaba receptor channels in rat sympathetic neurones has been investigated with whole-cell clamp. in addition, the action of picrotoxin on single gaba channels has been examined in outside-out membrane patches from these cells. 2. picrotoxin, at concentrations which dramatically reduced the amplitude of whole-cell gaba currents, did not alter the spectral time constants or single-channel conductance estimated by analysis of gaba-activated current noise. ... | 1992 | 1317428 |
use of adeno-associated virus as a general transduction vector for mammalian cells. | 1992 | 1316261 | |
tert-butyl hydroperoxide-induced radical production in rat liver mitochondria. | when rat liver mitochondria are treated with tert-butyl hydroperoxide (tbhp) in the presence of the spin trap 5,5-dimethyl-1-pyrroline n-oxide (dmpo), electron paramagnetic resonance (epr) signals are detected attributable to spin adducts resulting from the trapping of methyl, tert-butoxyl, and tert-butylperoxyl radicals. the addition of respiratory substrate results in a 3- to 7.5-fold increase in the signal intensity of the dmpo/methyl adduct, no change in the signal intensity of the dmpo/tert ... | 1992 | 1317326 |
concentrations of endothelial-cell-stimulating angiogenesis factor, a major component of human uterine angiogenesis factor, in human and bovine embryonic tissues and decidua. | embryonic development involves the establishment of new patterns of vascular growth in the fetus and within the lining of the womb. a factor, human uterine angiogenesis factor, has been purified from the decidua and stimulates the growth of blood vessels in collagen sponge implants and in the chick chorioallantoic membrane. evidence is presented that suggests that a major active component of human uterine angiogenesis factor is an activator of latent matrix metalloproteinases, of low m(r), calle ... | 1992 | 1317450 |
reaction mechanism of glutamate racemase, a pyridoxal phosphate-independent amino acid racemase. | glutamate racemase of pediococcus pentosaceus contained no cofactor, and was completely inactivated by a thiol reagent. the role of a cysteine residue in the enzyme reaction was studied by chemical modification. the modification of this cysteine residue resulted in a concomitant loss of activity. dl-glutamate protected the enzyme from inactivation. the inactivated enzyme was reactivated by addition of dithiothreitol. the racemization in 2h2o showed an overshoot in the optical rotation of glutama ... | 1992 | 1358877 |
effects of magnesium on cocaine-reinforced responding in mice, rats and squirrel monkeys. | 1992 | 1435977 | |
pyomyositis and cryptococcal sepsis in an hiv-infected patient with severe granulocyte defect. | 1992 | 1472345 | |
transforming growth factor beta and basic fibroblast growth factor synergistically promote early bovine embryo development during the fourth cell cycle. | developmentally competent bovine blastocysts were produced by adding transforming growth factor beta (tgf beta) and basic fibroblast growth factor (bfgf) to serum-free cultures of in vitro produced, 2-cell bovine embryos. the effects of tgf beta were evaluated because this growth factor signals synthesis and secretion of the extracellular matrix component fibronectin and its receptor. previous investigations have demonstrated that fibronectin promotes early bovine embryo development in vitro. th ... | 1992 | 1472373 |
intrauterine resuscitation in the severely distressed fetal dog. | severe fetal distress was produced in 16 fetal dogs by successive and/or prolonged occlusion of the maternal abdominal aorta in an acute surgical preparation, and was characterized in fetal arterial blood of 7.06 for ph, 10 mm hg for o2, 127 mm hg for co2, and fetal heart rate decelerations. five fetuses recovered spontaneously in utero and delivered normally; 3 needed maternal oxygenation before delivery; 3 suddenly died in utero; 5 fetuses were delivered while still alive in utero when the tph ... | 1992 | 1563650 |
headspace flavour compounds produced by yeasts and lactobacilli during fermentation of preferments and bread doughs. | production of volatile flavour compounds during fermentation with pure cultures of saccharomyces cerevisiae and candida guilliermondii, lactobacillus brevis and lactobacillus plantarum have been investigated, using wheat doughs and several preferements as substrates. for yeast, preferments consisted of 10% (w/v) glucose, maltose and sucrose solutions, whereas for lactobacilli they consisted of supplemented and unsupplemented (3% and 10% (w/v)) glucose solutions, and a 10% (w/v) wheat flour slurr ... | 1992 | 1622751 |
cd45 isoform expression on human neonatal t cells: expression and turnover of cd45 isoforms on neonatal versus adult t cells after activation. | neonatal t cells are phenotypically similar to "naive" t cells from adult donors in the cd45 isoform expression. despite the phenotypic similarity, large differences were found between neonatal and adult t cells when t cells were activated. after activation with pha, adult cd45ra+ t cells began to express cd45ro and no loss of cd45ra expression had yet occurred at day 3 post-stimulation. three days after activation, cd45ra+ neonatal t cells also coexpressed cd45ro; however, in contrast to adult ... | 1992 | 1534035 |
pharmacokinetic interaction between 1,3-butadiene and styrene in sprague-dawley rats. | gas uptake studies were carried out to evaluate kinetic interactions between 1,3-butadiene and styrene in sprague-dawley rats. the animals were co-exposed by inhalation to a mixture of 1,3-butadiene between 20 and 6000 ppm (v/v) and styrene between 0 and 500 ppm. the data demonstrate that metabolism of 1,3-butadiene was partially inhibited by styrene. the inhibition was competitive at atmospheric concentrations of styrene up to 90 ppm. higher concentrations of styrene resulted in a small additio ... | 1992 | 1610292 |
the effects of na(+)-k(+)-cl- co-transport and cl(-)-hco3-exchange blockade on the membrane potential and intracellular chloride levels of rat arterial smooth muscle, in vitro. | membrane potential and intracellular chloride levels have been measured simultaneously in vascular smooth muscle from the femoral artery of the rat, in vitro, using double-barrelled chloride-sensitive microelectrodes. these values are compared in the presence and absence of bicarbonate, and inhibitors of cl(-)-hco3- exchange and na(+)-k(+)-cl- co-transport. both dids and bumetanide caused a hyperpolarization of membrane potential (em) and a fall in [cl-]i, in the presence of extracellular hco3-. ... | 1992 | 1489543 |
expression of glr (muri, dga) gene encoding glutamate racemase in escherichia coli. | the muri (dga) gene of escherichia coli is required for the biosynthesis of d-glutamate, an essential component of bacterial peptidoglycan (doublet, p., van heijetnoort, j., and mengin-lecreulx, d. (1992) j. bacteriol. 174, 5772-5779; dougherty, t. j., thanassi, j. a., and pucci, m. j. (1993) j. bacteriol. 175, 111-116), but its gene product has not been identified. we found that the amino acid sequence of protein deduced from the nucleotide sequence of the open reading frame of muri gene (orf1) ... | 1993 | 7901215 |
vancomycin binding to cell walls of non-streptococcal vancomycin-resistant bacteria. | the availability of peptidoglycan for binding to vancomycin was investigated in intrinsically vancomycin-resistant clinical isolates of leuconostoc mesenteroides, lactobacillus viridescens and pediococcus pentosaceus. intrinsic vancomycin resistance expressed by l. mesenteroides and p. pentosaceus was the result of poor binding of vancomycin to native or sds-treated cell walls. pre-exposure of l. viridescens to vancomycin decreased the subsequent binding of vancomycin to the cell walls, suggesti ... | 1993 | 8288496 |
characterization and frequency distribution of species of lactic acid bacteria involved in the processing of mawè, a fermented maize dough from benin. | lactic acid bacteria involved in the natural fermentation of both home-produced and commercial mawè were investigated during a 72 h fermentation period. lactobacillus spp. constitute the majority (94%) of the strains of the lactic acid bacteria isolated, among which 89% represent the betabacterium group. they include l. fermentum (biotype cellobiosus) (41%), l. fermentum or l. reuteri (19%), l. brevis (26%), l. confusus (less than 2%), l. curvatus (less than 1%) and l. buchneri (less than 1%). o ... | 1993 | 8347427 |
production and characterization of antibacterial compounds produced by pediococcus damnosus and pediococcus pentosaceus. | the broad-spectrum antibacterial activity exhibited by three pediococcus strains isolated from beer was preliminarily characterized. factors affecting the production rate of bacterial inhibitors were screened and the effects of simultaneous cultivation of lactococcus and pediococcus on the production of inhibitory substances were studied. the antibacterial activity against a range of gram-negative test organisms was not affected by catalase or proteolytic enzymes and was extremely thermotolerant ... | 1993 | 8444642 |
characterization of bacteriocin produced by pediococcus pentosaceus from wine. | twenty strains of pediococcus pentosaceus isolated from wine were examined for production of bacteriocins. only two of them showed inhibitory activity, ped. pentosaceus n4p against the indicator strains of the same species and n5p against 19 strains of the three genera of lactic acid bacteria from wine. the antimicrobial substance from n5p strains was removed by membrane (0.2 micron) filtration, destroyed by organic solvents and proteolytic enzymes. it was stable for 60 min at 100 degrees c. the ... | 1993 | 8486547 |
the escherichia coli dga (muri) protein shares biological activity and structural domains with the pediococcus pentosaceus glutamate racemase. | the pediococcus pentosaceus glutamate racemase gene product complemented the d-glutamate auxotrophy of escherichia coli wm335. amino acid sequence analysis of the two proteins revealed 28% identity, primarily in six clusters scattered throughout the sequence. further analyses indicated secondary structure similarities between the two proteins. these data support a recent report that the dga (muri) gene product is a glutamate racemase. | 1994 | 7904596 |
bacterial glutamate racemase has high sequence similarity with myoglobins and forms an equimolar inactive complex with hemin. | glutamate racemase (ec 5.1.1.3), an enzyme of microbial origin, shows significant sequence homology with mammalian myoglobins, in particular in the regions corresponding to the e and f helices, which constitute the heme binding pocket of myoglobins. glutamate racemase binds tightly an equimolar amount of hemin, leading to loss of racemase activity. although this enzyme shows homology with aspartate racemase, the latter does not bind hemin. the glutamate racemase gene of pediococcus pentosaceus h ... | 1994 | 7937852 |
pediocin a, a bacteriocin produced by pediococcus pentosaceus fbb61. | pediocin a, a bacteriocin produced by pediococcus pentosaceus fbb61, was purified and partially characterized. the purification was achieved by dialysis against peg 20,000, butanol extraction and electroendosmotic preparative electrophoresis. the protocol led to a 7843-fold increase in the specific activity, with 3.9% activity recovered. sds-page of pediocin a resulted in a single 80 kda protein band. the antimicrobial compound was sensitive to proteolytic enzymes and heat (10 min at 100 degrees ... | 1994 | 8012591 |
monoclonal antibody-based enzyme immunoassay for pediocins of pediococcus acidilactici. | monoclonal antibody (mab) r2-ar against pediocin rs2 was developed. mice were immunized for 12 weeks with pediocin rs2 conjugated to a polyacrylamide gel. two hybridoma fusions yielded an mab that in western blots (immunoblots) reacted only with pediocins rs2 and ach (3 kda) from pediococcus acidilactici rs2 and h, respectively, and did not react with any other bacteriocin, including sakacin a from lactobacillus sake lb 706, leuconocin lcm1 from leuconostoc carnosum lm1, nisin from lactococcus l ... | 1994 | 8085814 |
modification of peptidoglycan precursors is a common feature of the low-level vancomycin-resistant vanb-type enterococcus d366 and of the naturally glycopeptide-resistant species lactobacillus casei, pediococcus pentosaceus, leuconostoc mesenteroides, and enterococcus gallinarum. | the biochemical basis for the acquired or natural resistance of various gram-positive organisms to glycopeptides was studied by high-pressure liquid chromatographic analysis of their peptidoglycan udp-murnac-peptide precursors. in all cases, resistance was correlated with partial or complete replacement of the c-terminal d-ala-d-ala-containing udp-murnac-pentapeptide by a new precursor with a modified c terminus. nuclear magnetic resonance analysis by sequential assignment showed that the new pr ... | 1994 | 8157610 |
pediococcus pentosaceus catheter-associated infection in an infant with gastroschisis. | 1994 | 8170738 | |
fermentation of fructans by epiphytic lactic acid bacteria. | a total of 712 strains of lactic acid bacteria isolated from forage grasses were studied for their ability to ferment fructans of phlein- as well as inulin-type. only 16 strains utilized phlein and eight of these also fermented inulin. they were identified as lactobacillus paracasei subsp. paracasei, lact. plantarum, lact. brevis and pediococcus pentosaceus. in the species lact. paracasei subsp. paracasei, all strains gave positive results, whereas the other positive strains possessed unique pro ... | 1994 | 8200866 |
effect of three commercial starters on growth of staphylococcus aureus and enterotoxins (a-d) and thermonuclease production in broth. | the growth of four enterotoxigenic staphylococcus aureus strains was partially inhibited by three commercial starters used in the meat sausage industry when grown in apt broth at 30 degrees c statically. starter sp318 (a mixture of selected strains of lactobacillus sake, pediococcus pentosaceus and staphylococcus xylosus) showed the most inhibitory activity. staphylococcal enterotoxins (a, b, c1 and d) synthesis was totally inhibited by the growth of the three starters, whereas staphylococcal th ... | 1994 | 7703025 |
lipolysis, proteolysis and formation of volatile components during ripening of a fermented sausage with pediococcus pentosaceus and staphylococcus xylosus as starter cultures. | bacterial growth, formation of acids, lipolysis, proteolysis, fat oxidation, formation of volatile compounds and flavour characteristics were followed during ripening and storage of a fermented sausage. the starter culture used was composed of pediococcus pentosaceus and staphylococcus xylosus. the number of pediococcus sp. increased by 1.5 log cfu/g during the first day of processing and remained constant at this level for 3 weeks. the corresponding initial increase in the numbers of staphyloco ... | 1994 | 22059658 |
effect of chitosan in meat preservation. | the effect of chitosan in meat preservation, including microbiological, chemical, sensory and color qualities, was examined. in liquid medium, chitosan (0·01%) inhibited the growth of some spoilage bacteria such as bacillus subtilis ifo 3025, escherichia coli rb, pseudomonas fragi ifo 3458 and staphylococcus aureus iam 1011. at higher concentrations (0·1 and 1·0%) it inhibited the growth of the meat starter cultures, lactobacillus plantarium iam 1216, pediococcus pentosaceus iam 12296 and microc ... | 1994 | 22059662 |
dried sausages fermented with staphylococcus xylosus at different temperatures and with different ingredient levels - part ii. volatile components. | sausages, with added staphylococcus xylosus, were fermented at different temperatures and with different added levels of salt, glucose, nitrite, nitrate and pediococcus pentosaceus in accordance with a six factor fractional design. the volatile compounds from the sausages were collected by dynamic headspace sampling and quantified and identified by gas chromatography and gas chromatography-mass spectrometry. the effects of temperature and different ingredients on the levels of individual volatil ... | 1995 | 22060169 |
dried sausages fermented with staphylococcus xylosus at different temperatures and with different ingredient levels - part i. chemical and bacteriological data. | sausages with added staphylococcus xylosus were fermented at different temperatures and with different added levels of salt, glucose, nitrite, nitrate and pediococcus pentosaceus in accordance with a six factor fractional design. the numbers of surviving staphylococcus xylosus, lactic acid bacteria, ph, free fatty acids and residual amounts of nitrite and nitrate were measured. the effects of temperature and different ingredients on the chemical and bacterial data were tested using multiple line ... | 1995 | 22060168 |
dried sausages fermented with staphylococcus xylosus at different temperatures and with different ingredient levels - part iii. sensory evaluation. | sausages with added staphylococcus xylosus were fermented at different temperatures and with different added levels of salt, glucose, nitrite, nitrate and pediococcus pentosaceus in accordance with a six factor fractional design. the odour of the sausages was evaluated by a quantitative descriptive method with ten descriptors and by gas chromatography olfactometry. the sensory profile was correlated to the experimental design and the volatile compounds by partial least squares analysis. also, th ... | 1995 | 22060170 |
production and stability of pediocin n5p in grape juice medium. | the production and stability of pediocin n5p from pediococcus pentosaceus, isolated from wine, were examined in grape juice medium. maximum growth and higher titre (4000 u ml-1) were observed at a initial ph of 7.5 and 30 degrees c. the activity of the inhibitory substance was stable between ph values from 2.0 to 5.0 at 4 degrees and 30 degrees c. at ph 10.0 it was completely inactivated. when submitted to 30 min at 80 degrees, 100 degrees and 115 degrees c, maximal stability was observed at ph ... | 1995 | 7759379 |
udp-n-acetylmuramyl-l-alanine functions as an activator in the regulation of the escherichia coli glutamate racemase activity. | d-glutamate is an essential component of the bacterial peptidoglycan. in escherichia coli, the biosynthesis of d-glutamate is catalyzed by a glutamate racemase (encoded by the dga gene) and is regulated by udp-n-acetylmuramyl-l-alanine [doublet et al. (1994) biochemistry 33, 5285], a bacterial peptidoglycan subunit precursor. investigation was conducted to elucidate the interaction between the enzyme and its regulator. whole and n-terminal truncated enzymes, encoded by individual constructs cont ... | 1995 | 7873525 |
microflora of murcha: an amylolytic fermentation starter. | murcha is a traditional starter, used commonly in darjeeling hills and sikkim in india to ferment a variety of starchy substrates in order to produce sweet-sour alcoholic beverages, called jnards. murcha cakes are mildly acidic (ph 5.2) and contain 13% w/w moisture and 0.7% w/w ash (dry weight basis). a total of 194 bacterial, 190 yeast and 80 mould strains were isolated from 30 samples of murcha. the counts (cfu/g fresh weight) of micro-organisms in the samples were 2.0 x 10(7) to 4.2 x 10(8) f ... | 1995 | 7476555 |
in vitro inhibition of helicobacter pylori nctc 11637 by organic acids and lactic acid bacteria. | in this study the effects of both ph and organic acids on helicobacter pylori nctc 11637 were tested. lactobacillus acidophilus, lact. casei, lact. bulgaricus, pediococcus pentosaceus and bifidobacterium bifidus were assayed for their lactic acid production, ph and inhibition of h. pylori growth. a standard antimicrobial plate well diffusion assay was employed to examine inhibitory effects. lactic, acetic and hydrochloric acids demonstrated inhibition of h. pylori growth in a concentration-depen ... | 1995 | 7592140 |
effect of pediococcus pentosaceus fbb61, pediocin a producer strain, in caecal fermentations. | the objective of this study was to investigate the effect of pediocin a in in vitro caecal fermentations. pediococcus pentosaceus fbb61, pediocin a producer (bac+) and its isogenic mutant (bac-) ped. pentosaceus fbb61-2 were added to fermentation vessels. pediocin a did not alter the normal activity of caecal microflora. nevertheless, the presence of pediocin a producer strain reduced proteolysis compared to the mutant strain as indicated by ammonia concentrations (p < 0.05), and isobutyric and ... | 1995 | 7615417 |
effects of a bacterial hay preservative (pediococcus pentosaceus) on hay under experimental storage conditions. | the abundant growth of molds and thermophilic actinomycetes in stored hay decreases its quality and can be hazardous for the producer who inhales these contaminants when the moldy hay is fed in closed barns. these microbes are responsible for a respiratory disease called farmer's lung. products, including bacterial cultures that can be inoculated in hay, are available to prevent hay deterioration by molds and bacteria. the aim of this study was to verify the effectiveness of pediococcus pentosac ... | 1995 | 16535180 |
functional analysis of the pediocin operon of pediococcus acidilactici pac1.0: pedb is the immunity protein and pedd is the precursor processing enzyme. | the bacteriocin pediocin pa-1 operon of pediococcus acidilactici pac1.0 encompasses four genes: peda, pedb, pedc and pedd. transcription of the operon results in the formation of two overlapping transcripts, probably originating from a single promoter upstream of peda. the major transcript comprises peda, pedb, and pedc, while a minor transcript encompasses all of these genes and pedd. by deletion analysis and overexpression of pedb in pediococcus pentosaceus we demonstrate that this gene encode ... | 1995 | 8559070 |
the antimicrobial activity of lactic acid bacteria from fermented maize (kenkey) and their interactions during fermentation. | a total of 241 lactic acid bacteria belonging to lactobacillus plantarum, pediococcus pentosaceus, lactobacillus fermentum/reuteri and lactobacillus brevis from various processing stages of maize dough fermentation were investigated. results indicated that each processing stage has its own microenvironment with strong antimicrobial activity. about half of the lact. plantarum and practically all of the lact. fermentum/reuteri investigated were shown to inhibit other gram-positive and gram-negativ ... | 1995 | 8567490 |
polysaccharide production by pediococcus pentosaceus from wine. | two polymer-forming strains of pediococcus pentosaceus from argentinian wines were grown under different conditions. polysaccharides were produced independently of carbon source at the early logarithmic phase of growth. with the presence of ethanol and so2, the specific polymers production was greater. the polysaccharides comprised of glucose, fructose and galactose, with predominant linkages of alpha-1,4- and alpha-1,6-glucosidic with a ratio 1:1. they contained approximately 5500 hexose molecu ... | 1995 | 8579981 |
lactic acid bacteria in fermented foods in thailand. | traditional fermented foods (fish, meat and vegetable products), produced by many different processes, are eaten in many parts of thailand. lactic acid bacteria are responsible for the souring and ripening of these foods. homofermentative strains of lactobacillus pentosus, l. plantarum and pediococcus pentosaceus are dominant in foods with low salt concentrations whereas p. halophilus strains are present in foods containing high salt. strains of lactobacillus sake, other lactobacillus spp., p. a ... | 1995 | 24414643 |
interaction between lactobacillus hilgardii and pediococcus pentosaceus and their metabolism of sugars and organic acids. | in a mixed culture of lactobacillus hilgardii and pediococcus pentosaceus on commerical grape juice, growth of the latter was inhibited until 24 h; after 24 h no viable cells were detected. during the early stages of growth, sugars and malic acid were consumed and production of m- and l-lactic acids was greater in the mixed culture than in either of the pure cultures. | 1995 | 24414666 |
microbiology of mesu, a traditional fermented bamboo shoot product. | the use of mesu as a pickle and as the base of curry is a tradition in the darjeeling hills and sikkim of india. a total of 327 strains of lactic acid bacteria, representing lactobacillus plantarum, l. brevis and pediococcus pentosaceus were isolated from 30 samples of mesu. these species were present in all samples of raw bamboo shoots tested. mesu was dominated by l. plantarum followed by l. brevis; p. pentosaceus was isolated less frequently and recovered from only 40-50% of the mesu samples. ... | 1996 | 8722186 |
proinflammatory effect of pediococcus pentosaceus, a bacterium used as hay preservative. | bacterial cultures, such as pediococcus pentosaceus, are used to treat hay with the objective of preventing hay heating and moulding, and thus, the development of the microbial growth which causes farmer's lung. the aim of this study was to investigate whether such bacterial cultures have the potential to induce a pulmonary inflammatory response. mice were instilled 3 days week-1 for 3 weeks with either saline or nonviable preparations of p. pentosaceus, saccharopolyspora rectivirgula, lactococc ... | 1996 | 8980961 |
the effect of cations on the hydrolysis of lactose and the transferase reactions catalysed by beta-galactosidase from six strains of lactic acid bacteria. | beta-galactosidases from lactobacillus delbruekii subsp. bulgaricus 20056, lb. casei 20094, lactococcus lactis subsp. lactis 7962, streptococcus thermophilus ts2, pediococcus pentosaceus pe39 and bifidobacterium bifidum 1901 were partially purified. the rate of hydrolysis of lactose given by the predominant beta-galactosidase activity from each of the bacteria studied was in all cases enhanced by mg2+, while the effect of k+ and na+ differed from strain to strain. the beta-galactosidases from al ... | 1996 | 8987531 |
chemical composition of the cell wall of lactic acid bacteria and related species. | in order to examine the relationship between biological activities and the cell wall content, the murein type and the teichoic acid of the cell wall from five strains of bacteria were studied. two of these lactobacillus casei crl 431 and l. acidophilus crl 730, are used in a commercial fermented milk (bio milk), which is believed to be beneficial for health. the other strains, lactococcus lactis crl 526, pediococcus pentosaceus crl 923 and propionibacterium acidipropionici crl 1198 were included ... | 1996 | 8996856 |
attachment of lactic acid bacteria to beef-muscle surfaces. | the effect of immersion time and cell concentration in the attachment of several lactic acid bacteria with antibacterial activity to beef-muscle surface was studied. the number of firmly attached bacteria increased with immersion time in the case of pediococcus acidilacti, lactobacillus sake, lactococcus cremoris (two strains) and pediococcus acidilacti. pediococcus pentosaceus, lactococcus lactis and lactobacillus curvatus reached maximum adhesion after 15-30 min. the highest strength of attach ... | 1996 | 9131790 |
development and characterization of lactose-positive pediococcus species for milk fermentation. | bacteriophages against streptococcus thermophilus are a growing problem in the italian cheese industry. one possible control method involves replacing s. thermophilus in mozzarella starter blends with lactic acid bacteria from a different genus or species. in this study, we evaluated lactose-positive pediococci for this application. because we could not identify any commercially available pediococci with fast acid-producing ability in milk, we transformed pediococcus pentosaceus atcc 25744, p. p ... | 1996 | 16535280 |
purification and partial characterization of a tripeptidase from pediococcus pentosaceus k9.2. | a tripeptidase was purified from the cytoplasm of pediococcus pentosaceus k9.2 by anion-exchange chromatography, gel filtration chromatography, and high-performance liquid chromatography. the molecular mass of the enzyme was estimated by gel filtration at 100,000 da. sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the purified peptidase showed one protein band of 45,000 da. optimal enzyme activity was obtained at ph 7.0 and at 50 degrees c. the peptidase hydrolyzed all tripeptides t ... | 1997 | 9406407 |
cloning and expression of the glutamate racemase gene of bacillus pumilus. | a glutamate racemase gene (muri) was found in bacillus pumilus cells and cloned into escherichia coli wm335, a d-glutamate auxotroph, by means of a genetic complement method. muri of b. pumilus encodes a 272-amino acid protein with an unusual initiation codon, ttg. the deduced amino acid sequence shows significant similarity with those of glutamate racemases from e. coli (ratio of identical residues, 28%), pediococcus pentosaceus (44%), and staphylococcus haemolyticus (49%). b. pumilus muri was ... | 1997 | 9354391 |
dried sausages fermented with staphylococcus xylosus at different temperatures and with different ingredient levels. part iv. amino acid profile. | sausages with added staphylococcus xylosus were fermented at different temperatures and with different added levels of salt, glucose, nitrite, nitrate and pediococcus pentosaceus in accordance with a six-factor fractional design. the amounts of individual amino acids were measured and the effects of temperature and different ingredients on the amino acid profile were tested using multiple linear regression and analysis of variance. also, the amino acid profile was correlated to the level of vola ... | 1997 | 22061849 |
identification of a cold shock gene in lactic acid bacteria and the effect of cold shock on cryotolerance. | when lactic acid bacterial cultures were frozen at -20 degrees c for 24 h, the cell viability decreased drastically, but when they were cold shocked at 10 degrees c for 2 h prior to freezing, viability improved significantly for the lactococcus lactis subsp. lactis strains (25-37%) and pediococcus pentosaceus po2 (18%), but not for the lactococcus lactis subsp. cremoris strains tested or for one strain of lactobacillus helveticus lb1 and streptococcus thermophilus ts2. when the period for cold s ... | 1997 | 9175562 |
identification of pediococcus acidilactici and pediococcus pentosaceus based on 16s rrna and ldhd gene-targeted multiplex pcr analysis. | 1997 | 9228758 | |
molecular characterization of the replicon of the pediococcus pentosaceus 43200 pediocin a plasmid pmd136. | the pediocin a-encoding plasmid of pediococcus pentosaceus 43200, pmd136, was characterized by restriction enzyme analysis. analysis of its replicon was facilitated by the construction of a probe vector consisting of the escherichia coli plasmid psp72 and the cat gene from staphylococcus aureus plasmid pc194. the replication region of pmd136 was localized on a 1.6-kb ecori/bglii fragment. sequencing analysis revealed a non-coding region, repa, spanning the first 440 bp, followed by an open readi ... | 1997 | 9228759 |
pediocin pd-1, a bactericidal antimicrobial peptide from pediococcus damnosus ncfb 1832. | pediocin pd-1, produced by pediococcus damnosus ncfb 1832, is inhibitory to several food spoilage bacteria and food-borne pathogens. however, pediocin pd-1 is not active against other pediococcus spp. and differs in this respect to other pediocins produced by pediococcus acidilactici and pediococcus pentosaceus. production of pediocin pd-1 starts during early growth and reaches-a plateau at the end of exponential growth. pediocin pd-1 was partially purified and its size was determined by tricine ... | 1997 | 9246779 |
pediocin n5p from pediococcus pentosaceus: adsorption on bacterial strains. | pediocin n5p is a bacteriocin produced by pediococcus pentosaceus isolated from wine. it is absorbed on both sensitive and resistant gram-positive and gram-negative bacteria in non specific (non lethal) sites and higher values, up to 30% are observed in sensitive strains suggesting the presence of particular (lethal) receptors. cell death without lysis is produced by the action of pediocin on sensitive strains. the cations mg2+ and mn2+ increase the pediocin binding by 80 and 100%, respectively. ... | 1998 | 9562879 |
conservation of the major cold shock protein in lactic acid bacteria. | primers designed from consensus regions of the major cold shock gene of different bacterial species were used in pcr amplification of lactic acid bacteria (lab). an appropriately-sized pcr product was obtained from lactococcus lactis subsp. lactis ll43-1 and mg1363; lactococcus lactis subsp. cremoris lc10-1, lc11-1, and lc12-1; streptococcus thermophilus st1-1; enterococcus faecalis ef1-1; lactobacillus acidophilus la1-1; lactobacillus helveticus lh1-1; pediococcus pentosaceus pp1-1; and bifidob ... | 1998 | 9767713 |
protein modification by fermentation: effect of fermentation on the potential allergenicity of pea. | the effect of fermentation on components of potential significance for the allergenicity of pea was analyzed. pea flour was fermented with three lactic acid bacteria, pediococcus pentosaceus, lactococcus raffinolactis, and lactobacillus plantarum, and two fungi, rhizopus microsporus, var. oligosporus and geotrichum candidum. residual antigenicity against antipea antibodies was reduced to 10% by the three lactic acid bacteria and r. microsporus. reactions to anti-pea profilin and anti-bet v 1 wer ... | 1998 | 9826013 |
some characteristics of lactic acid bacteria present in commercial sucuk samples. | a total of 10 sucuk samples, obtained from denizli, turkey were analysed for some physical, chemical and microbiological characteristics. in addition, lactic acid bacteria (lab) strains producing bacteriocin-like metabolites were isolated and identified. the production of some typical metabolites of the cultures isolated was investigated. at the end of the research, the average values of the ph, water and fat content were 5.1, and 37.2% and 30.5%, respectively. microbiological analyses results w ... | 1998 | 22060621 |
congenital hypothyroidism control programs. a cost-benefit analysis. | comprehensive screening programs to control congenital hypothyroidism (ch), a preventable form of mental retardation, are being considered by some public health agencies. the proposed programs would test neonates' blood for thyroxine and, if warranted, provide follow-up testing and therapy. the estimated cost of detecting a single case of ch is $9,300, which includes specimen collection, laboratory analysis, and retesting of border-line cases. the present value of the treatment costs of ch adds ... | 1998 | 108409 |
nutritional quality of lactic fermented bitter gourd and fenugreek leaves. | pediococcus pentosaceus was selected from isolates obtained from the naturally fermenting bitter gourd and fenugreek leaves based on its high titre and broad spectrum of inhibitory activity against spoilage organisms. this strain was then employed for fermentation of bitter gourd and fenugreek which resulted in a more acceptable product having enhanced fat, pyridoxine and ascorbic acid levels. it was of interest to note that vitamin b12 was formed in the fenugreek as a result of the fermentation ... | 1998 | 9713580 |
construction of a food-grade multiple-copy integration system for lactococcus lactis. | a food-grade vector system was developed that allows stable integration of multiple plasmid copies in the chromosome of lactococcus lactis. the vector consists of the plus origin of replication (ori+) of the lactococcal plasmid pwv01, the sucrose genes of the lactic acid bacterium pediococcus pentosaceus ppe1.0 as selectable marker, a multiple-cloning site, and a lactococcal dna fragment of a well-characterized chromosomal region. the system includes two l. lactis strains, ll108 and ll302, which ... | 1998 | 9615484 |
pharmaceutics: total parenteral nutrition in the cancer patient. | 1998 | 105802 | |
the future of naltrexone. | 1998 | 106298 | |
[bedside nursing. continued nursing of a patient at the terminal stage of brain tumor undergoing repeated hospitalization]. | 1998 | 106155 | |
role of endothelium in sequestration of lipoprotein and firbrinogen in aortic lesions, thrombi, and graft pseudo-intimas. | in the soft, gelatinous thickenings that appear to be the precursors of fibrous plaques, concentrations of plasma low-density lipoproteins (lp) and fibrinogen were three to four times higher than that in normal intima, but their concentrations of fibrin was not significantly higher. by contrast, in 60% of cholesterol-rich areas from more advanced plaques, fibrin (mean concentration 22.7 mg/100 mg lipid-extracted dry weight) was ten times higher than normal, and this was associated with a twelve- ... | 1998 | 90916 |
[action for children]. | 1998 | 107435 | |
[akinetic seizures in adult life (author's transl)]. | 1998 | 106311 | |
combination chemotherapy with cis-dichlorodiammineplatinum(ii) in disseminated testicular cancer. | 1999 | 91434 | |
exopolysaccharide-producing lactic acid bacteria strains from traditional thai fermented foods: isolation, identification and exopolysaccharide characterization. | lactic acid bacteria (lab) isolated from various traditional thai fermented foods were screened for exopolysaccharides (eps) production. from 104 isolates, two rod-shaped and five coccal-shaped lab were able to produce eps from sucrose on solid media. however, only the cocci were capable of producing eps in liquid media and these were identified as pediococcus pentosaceus. pediococcus pentosaceus strains ap-1 and ap-3 produced eps in high yield. in liquid media containing sucrose as carbon sourc ... | 1999 | 10574086 |
characterization and identification of pediococcus species isolated from forage crops and their application for silage preparation. | pediococcus species isolated from forage crops were characterized, and their application to silage preparation was studied. most isolates were distributed on forage crops at low frequency. these isolates could be divided into three (a, b, and c) groups by their sugar fermentation patterns. strains la 3, la 35, and ls 5 are representative isolates from groups a, b, and c, respectively. strains la 3 and la 35 had intragroup dna homology values above 93.6%, showing that they belong to the species p ... | 1999 | 10388681 |
organochlorines in fish and crabs from the kristiansand fjord in norway. | the levels of sum-ddt, pcbs, and hcb in fish liver and crab hepatopancreas from the kristiansand fjord area in norway have been determined (fig. 1). the respective mean levels (fat weight basis) in stationary fish species and crabs are given in table i. the levels of pcbs and sum-ddt were about the same, and the hcb level two to one hundred times higher than corresponding levels reported for codfish (liver) from several harbours along the norwegian coasts (brevik et al. in press). the levels cal ... | 1999 | 99726 |
thermal enhancement of dna strand breakage in mammalian cells treated with bleomycin. | 1999 | 94047 | |
the effects of a starter culture on the formation of biogenic amines in turkish soudjoucks. | the effects of starter culture containing lactobacillus sake, pediococcus pentosaceus, staphylococcus carnosus plus staphylococcus xylosus on the formation of biogenic amines during ripening of turkish soudjoucks were investigated. determination of eight different biogenic amines was carried out by reverse-phase high performance liquid chromatography (hplc) using diode array detection. it was found that aerobic plate counts (apc) decreased in the samples with added starter culture. lactic acid b ... | 1999 | 22063199 |
airborne microflora in quebec dairy farms: lack of effect of bacterial hay preservatives. | pediococcus pentosaceus is a lactic-acid producing bacterium inoculated in hay to prevent hay deterioration. this study sought to verify the effect of this treatment on the barn microenvironment. air samples were obtained from 19 barns using bacterial hay treatment and from 18 control barns with six-stage andersen samplers and all-glass impingers. appropriate culture media were used for the recovery and identification of microorganisms. endotoxins were measured with chromogenic limulus amoebocyt ... | 1999 | 10028620 |
study of the micro-organisms associated with the fermented bread (khamir) produced from sorghum in gizan region, saudi arabia. | traditional bread (khamir) was made from sorghum flour of two local varieties, bayadh and hamra. the bread was prepared by mixing the sorghum flour with water and spices (onion, garlic, lemon juice and fenugreek) in a 1:0.8 (w/w) ratio and fermented for 24 h at 30 degrees c. two other fermentations were carried out using an inoculum from the previous fermentation. the micro-organisms were isolated from different plates and identified using different characterization systems. both total bacterial ... | 1999 | 10063620 |
characterization of lactic acid bacteria isolated from a thai low-salt fermented fish product and the role of garlic as substrate for fermentation. | lactic acid bacteria (lab) isolated from raw materials (fish, rice, garlic and banana leaves) and processed som-fak (a thai low-salt fermented fish product) were characterized by api 50-ch and other phenotypic criteria. lactococcus lactis subsp. lactis and leuconostoc citreum were specifically associated with fish fillet and minced fish, lactobacillus paracasei subsp. paracasei with boiled rice and weisella confusa with garlic mix and banana leaves. in addition, lactobacillus plantarum, lactobac ... | 1999 | 10100902 |
characterization and determination of origin of lactic acid bacteria from a sorghum-based fermented weaning food by analysis of soluble proteins and amplified fragment length polymorphism fingerprinting. | the group that includes the lactic acid bacteria is one of the most diverse groups of bacteria known, and these organisms have been characterized extensively by using different techniques. in this study, 180 lactic acid bacterial strains isolated from sorghum powder (44 strains) and from corresponding fermented (93 strains) and cooked fermented (43 strains) porridge samples that were prepared in 15 households were characterized by using biochemical and physiological methods, as well as by analyz ... | 2000 | 10698775 |
enterocin 012, a bacteriocin produced by enterococcus gallinarum isolated from the intestinal tract of ostrich. | enterococcus gallinarum strain 012, isolated from the duodenum of ostrich, produced enterocin 012 which is active against ent. faecalis, lactobacillus acidophilus, lact. sake, listeria innocua, propionibacterium acidipropionici, propionibacterium sp., clostridium perfringens, pseudomonas aeruginosa and salmonella typhimurium. one of the four pathogenic strains of escherichia coli isolated from the intestinal tract of ostrich was inhibited by enterocin 012. no antimicrobial activity was recorded ... | 2000 | 10736005 |
isolation and identification of tetracycline resistant lactic acid bacteria from pre-packed sliced meat products. | in recent years, the food chain has been recognised as one of the main routes for transmission of antibiotic resistant bacteria between the animal and human population. in this regard, the current study aimed to investigate if tetracycline resistant (tetr) lactic acid bacteria (lab) are present in ready-to-eat modified atmosphere packed (map) sliced meat products including fermented dry sausage, cooked chicken breast meat and cooked ham. from population graphs based on doubling tetracycline conc ... | 2000 | 10930081 |
analysis of the genetic determinant for production of the pediocin p of pediococcus pentosaceus pep1. | pediococcus pentosaceus pep1 is a vacuum-packaged turkish sausage isolate which produces a potentially novel bacteriocin of the pediocin (anti-listeria) family of peptides designated as pediocin p. curing experiments and plasmid profile analysis indicated that both bacteriocin immunity and production determinants were linked and encoded by 9.0 mda plasmid, phd1.0. attempts to transform purified plasmid phd1.0 into recipient escherichia coli jm109 cells by electroporation were successful but none ... | 2000 | 10986669 |
inducible metabolism of phenolic acids in pediococcus pentosaceus is encoded by an autoregulated operon which involves a new class of negative transcriptional regulator. | pediococcus pentosaceus displays a substrate-inducible phenolic acid decarboxylase (pad) activity on p-coumaric acid. based on dna sequence homologies between the three pads previously cloned, a dna probe of the lactobacillus plantarum pdc gene was used to screen a p. pentosaceus genomic library in order to clone the corresponding gene of this bacteria. one clone detected with this probe displayed a low pad activity. subcloning of this plasmid insertion allowed us to determine the part of the in ... | 2000 | 11073918 |
growth and effect of staphylococci and lactic acid bacteria on unsaturated free fatty acids. | the growth and the effects of four species of staphylococci and six lactic acid bacteria (lab) of the genus carnobacterium, lactobacillus and pediococcus on unsaturated free fatty acids were studied. the strains were grown in complex medium supplemented either with oleic, linoleic or linolenic acids. growth was followed and oxidation of the substrates measured by tbars. the strains of staphylococcus xylosus 873, 16, staphylococcus warneri 863 and staphylococcus saprophyticus grew well on all the ... | 2000 | 22063710 |
production of bacteriocin-like metabolites by lactic acid cultures isolated from sucuk samples. | a total of 51 sucuk samples, obtained from different regions of turkey, were examined for lactic acid bacteria (lab) strains producing putative bacteriocin-like metabolites. for detection of antagonistic activity, agar spot and well diffusion assay tests were used. lactobacillus sake lb790, listeria monocytogenes li6, staphylococcus aureus st44 and escherichia coli nrrl b-3704 were used as indicator organisms. strains having antimicrobial activity were also tested against clostridium perfringens ... | 2000 | 22060908 |