| composition of the enterococcal and streptococcal intestinal flora of poultry. | identification to species level showed that enterococcus faecalis and ent. faecium largely dominated the enterococcal and streptococcal gut flora of 1-d-old chicks. enterococcus faecalis was rare in 3- to 5-week-old broilers. two species, ent. faecium and streptococcus alactolyticus, were isolated from nearly all broilers examined. enterococcus hirae and ent. durans were found in the small intestines of this category of poultry. in layers and parent stock of over 12 weeks of age, ent. cecorum do ... | 1991 | 1910033 |
| characterization of lactic acid bacteria and other gut bacteria in pigs by a macroarraying method. | lactic acid bacteria (lab) consist of many genera, gram-positive, and nonspore-forming micro-organisms; some members being used as probiotics while some others have negative effects on pig health. bacterial species in the gastrointestinal tract can produce antibacterial substances, reduce serum cholesterol in their host, or can be responsible for growth reduction, diarrhea, and intestinal epithelial damage. it is therefore important for the pig industry to evaluate the impact of food and farm ma ... | 2006 | 17135526 |
| A novel multiplex PCR/RFLP assay for the identification of Streptococcus bovis/Streptococcus equinus complex members from dairy microbial communities based on the 16S rRNA gene. | The Streptococcus bovis/Streptococcus equinus complex (SBSEC) comprises pathogenic species associated with different degrees with human infections but also spontaneously fermented dairy products. We aimed therefore at developing a specific identification assay for the SBSEC targeting the 16S rRNA gene comprising a multiplex PCR followed by a differentiating restriction fragment length polymorphisms (RFLP). The multiplex PCR assay was positively applied on 200 SBSEC isolates including reference s ... | 2012 | 22092382 |
| exercise induction of gut microbiota modifications in obese, non-obese and hypertensive rats. | obesity is a multifactor disease associated with cardiovascular disorders such as hypertension. recently, gut microbiota was linked to obesity pathogenesisand shown to influence the host metabolism. moreover, several factors such as host-genotype and life-style have been shown to modulate gut microbiota composition. exercise is a well-known agent used for the treatment of numerous pathologies, such as obesity and hypertension; it has recently been demonstrated to shape gut microbiota consortia. ... | 2014 | 24952588 |
| genomics, evolution, and molecular epidemiology of the streptococcus bovis/streptococcus equinus complex (sbsec). | the streptococcus bovis/streptococcus equinus complex (sbsec) is a group of human and animal derived streptococci that are commensals (rumen and gastrointestinal tract), opportunistic pathogens or food fermentation associates. the classification of sbsec has undergone massive changes and currently comprises 7 (sub)species grouped into four branches based on sequences identities: the streptococcus gallolyticus, the streptococcus equinus, the streptococcus infantarius and the streptococcus alactol ... | 2015 | 25233845 |
| fulminant neonatal sepsis due to streptococcus alactolyticus - a case report and review. | group d streptococci have rarely been associated with neonatal infections. we report a case of fulminant respiratory distress syndrome (rds) caused by streptococcus alactolyticus in a term neonate. gram staining revealed gram-positive cocci and culture grew group d streptococci in samples taken from trachea, ear, and nasopharynx. streptococcus alactolyticus was identified using automated microbial identification system (vitek 2). histopathology showed massive pulmonary inflammation with intra-al ... | 2014 | 24475920 |
| molecular and antimicrobial susceptibility profiling of atypical streptococcus species from porcine clinical specimens. | the streptococcus species present broad phenotypic variation, making identification difficult using only traditional microbiological methods. even though streptococcus suis is the most important species for the worldwide swine industry, other streptococcus species appear to be able to cause disease in swine and could represent a higher underestimated risk for porcine health. the aim of this study was to identify streptococcus-like isolates by maldi-tof ms and 16s rrna sequencing and further mole ... | 2016 | 27491454 |
| a rare case of streptococcus alactolyticus infective endocarditis complicated by septic emboli and mycotic left middle cerebral artery aneurysm. | to date, s. alactolyticus endocarditis complicated by middle cerebral artery aneurysm has not been reported. we describe the case of a 65-year-old female with a history of hypertrophic cardiomyopathy with left ventricular outflow tract obstruction presenting with confusion and a apical holosystolic murmur. angiography of the brain identified new bilobed left middle cerebral artery aneurysm. serial blood cultures grew s. alactolyticus, and aortic and mitral valve vegetation were discovered on tra ... | 2016 | 27525136 |
| first report of the isolation of lactococcus garvieae from a platelet concentrate in japan. | bacterial contamination of platelet concentrates (pcs) remains a serious problem in transfusion. we have been conducting sterility tests on all pcs rejected by blood centers or hospitals due to abnormal appearances. we recently experienced a case in which discrepant results were obtained between the methods used to identify a bacterial species isolated from a pc, requiring further analyses. | 2016 | 27488229 |
| effects of l-tryptophan, fructan, and casein on reducing ammonia, hydrogen sulfide, and skatole in fermented swine manure. | the effects of daily dietary bacillus subtilis (bs), and adding l-tryptophan, fructan, or casein to fecal fermentation broths were investigated as means to reduce the production of noxious gas during manure fermentation caused by ammonia, hydrogen sulfide (h2s), and 3-methylindole (skatole). eighty swine (50.0±0.5 kg) were equally apportioned to an experimental group given bs in daily feed, or a control group without bs. after 6 weeks, fresh manure was collected from both groups for fermentation ... | 2015 | 26104530 |
| influence of dietary peas and organic acids and probiotic supplementation on performance and caecal microbial ecology of broiler chickens. | 1. the effect of dietary pea and addition of organic acid blend (oa) or probiotic (pro) on performance and caecal microbial ecology of broiler chickens was studied. 2. a growth trial was conducted with 160 ross 308 female broilers from d 1 to 35 of age. there were 8 treatment groups based on either control (s) or white pea (p). both s and p were supplemented with oa (galliacid - fumaric acid, calcium formate, calcium propionate and potassium sorbate coated with plant triglycerides, vetagro) and ... | 2010 | 20461587 |
| influence of dietary zinc oxide and copper sulfate on the gastrointestinal ecosystem in newly weaned piglets. | dietary doses of 2,500 ppm zno-zn reduced bacterial activity (atp accumulation) in digesta from the gastrointestinal tracts of newly weaned piglets compared to that in animals receiving 100 ppm zno-zn. the amounts of lactic acid bacteria (mrs counts) and lactobacilli (rogosa counts) were reduced, whereas coliforms (macconkey counts) and enterococci (slanetz counts, red colonies) were more numerous in animals receiving the high zno dose. based on 16s rrna gene sequencing, the colonies on mrs were ... | 2005 | 15870311 |
| streptococcus alactolyticus is the dominating culturable lactic acid bacterium species in canine jejunum and feces of four fistulated dogs. | canine intestinal lactic acid bacterium (lab) population in four fistulated dogs was cultured and enumerated using mrs agar. lab levels ranging from 1.4x10(6) to 1.5x10(7) cfu ml(-1) were obtained in jejunal chyme. in the fecal samples 7.0x10(7) and 2.0x10(8) cfu g(-1) were detected. thirty randomly selected isolates growing in the highest sample dilutions were identified to species level using numerical analysis of 16s and 23s rdna restriction fragment length polymorphism patterns (ribotyping) ... | 2004 | 14734163 |
| reappraisal of the taxonomy of the streptococcus bovis/streptococcus equinus complex and related species: description of streptococcus gallolyticus subsp. gallolyticus subsp. nov., s. gallolyticus subsp. macedonicus subsp. nov. and s. gallolyticus subsp. pasteurianus subsp. nov. | 'streptococcus bovis/streptococcus equinus' is a large bacterial complex including different species frequently isolated from infections of humans (streptococcus gallolyticus, streptococcus infantarius) or animals (s. bovis, s. equinus, streptococcus alactolyticus). the separation of s. bovis into three different biotypes has been partially correlated with genetic differentiation. in addition, recent advances in bacterial phylogeny have led to the inclusion of streptococcus macedonicus and strep ... | 2003 | 12807180 |
| composition of enterococcal and streptococcal flora from pigeon intestines. | to identify the streptococcal and enterococcal components of the microflora from pigeon intestines to species level by tdna-intergenic polymerase chain reaction. | 2002 | 11849364 |
| streptococcus intestinalis robinson et al. 1988 and streptococcus alactolyticus farrow et al. 1984 are phenotypically indistinguishable. | the one-dimensional whole-cell protein patterns and a variety of biochemical characteristics of the type and reference strains of streptococcus intestinalis and streptococcus alactolyticus were studied. all the data revealed that strains of both species were indistinguishable. reported differences in haemolytic activity and presence of lancefield antigens were not reproduced. all strains were alpha-haemolytic. the s. intestinalis type strain possessed the group g antigen, but a second s. intesti ... | 1999 | 10319497 |
| streptococcus danieliae sp. nov., a novel bacterium isolated from the caecum of a mouse. | we report the characterization of one novel bacterium, strain erd01g(t), isolated from the cecum of a tnf(deltaare) mouse. the strain was found to belong to the genus streptococcus based on phylogenetic analysis of partial 16s rrna gene sequences. the bacterial species with standing name in nomenclature that was most closely related to our isolate was streptococcus alactolyticus (97 %). the two bacteria were characterized by a dna-dna hybridization similarity value of 35 %, demonstrating that th ... | 2013 | 23052149 |
| rt-qpcr analysis of dexb and gale gene expression of streptococcus alactolyticus in astragalus membranaceus fermentation. | streptococcus alactolyticus strain fgm, isolated from chicken cecum, was used to increase the extract yield of polysaccharides during astragalus membranaceus fermentation. it was previously demonstrated that polysaccharides from fermented a. membranaceus by s. alactolyticus had some similar properties to those from a. membranaceus in terms of its ability to help heal hepatic fibrosis in rats and modulate immunopotentiation of broiler chicken. however, methods to increase the yield of the polysac ... | 2013 | 23563988 |