Affiliation: Catholic University
- Utilization of the intestinal tract as a delivery system for urogenital probioticsL Morelli
Istituto di Microbiologia, Facolta di Agraria, U C S C, Piacenza, Italy
J Clin Gastroenterol 38:S107-10. 2004..The authors investigate the ability of lactobacilli isolated from the vagina to survive gastrointestinal tract transit, and establish a link between the rate of intestinal survival and vaginal colonization...
- Assessment of a new synbiotic preparation in healthy volunteers: survival, persistence of probiotic strains and its effect on the indigenous floraLorenzo Morelli
Istituto di Microbiologia UCSC, Via Emilia Parmense 84, Piacenza, Italy
Nutr J 2:11. 2003..However, only few papers have been published on the assessment of these food supplements and none of them have used molecular biology techniques to evaluate the effects of the probiotic components...
- Postnatal development of intestinal microflora as influenced by infant nutritionLorenzo Morelli
Istituto di Microbiologia, Universita Cattolica del Sacro Cuore, 29100 Piacenza, Italy
J Nutr 138:1791S-1795S. 2008..The focus of this article is to update knowledge on infants' microflora during the first 6 mo of life...
- Survival of yogurt bacteria in the human gutMarina Elli
AAT Advanced Analytical Technologies S r l, Spin off of the Catholic University of Piacenza, Via Emilia Parmense, 84, 29100 Piacenza, Italy
Appl Environ Microbiol 72:5113-7. 2006..Yogurt bacteria were found in human feces, suggesting that they can survive transit in the gastrointestinal tract...
- Mode of delivery affects the bacterial community in the newborn gutGiacomo Biasucci
Department of Paediatrics and Neonatology, Guglielmo da Saliceto Hospital, Cantone del Cristo 50, Piacenza, Italy
Early Hum Dev 86:13-5. 2010..In addition, the importance of methodological aspects for determining intestinal microbiota in clinical trials requires emphasis if intestinal microbiota composition is to be considered a measure of postnatal adaptation...
- Evaluation of prebiotic potential of refined psyllium (Plantago ovata) fiber in healthy womenMarina Elli
AAT Advanced Analytical Technologies S r l, Spin off Company of Universita Cattolica del Sacro Cuore of Piacenza, Via Martiri della Resistenza Galleria San Giuseppe, Piacenza, Italy
J Clin Gastroenterol 42:S174-6. 2008..To assess the effects of the consumption of psyllium seed husk on fecal bifidobacteria in healthy women and the ability of fecal bifidobacteria to metabolize psyllium seed husk in vitro...
- Yogurt, living cultures, and gut healthLorenzo Morelli
Istituto di Microbiologia, Universita Cattolica del Sacro Cuore, Piacenza, Italy
Am J Clin Nutr 99:1248S-50S. 2014....
- Cesarean delivery may affect the early biodiversity of intestinal bacteriaGiacomo Biasucci
Department of Paediatrics and Neonatology, Guglielmo da Saliceto Hospital, Piacenza, Italy
J Nutr 138:1796S-1800S. 2008..Additionally, we underline the importance of adequate microbiological tools used to support clinically relevant trials, if intestinal microbiota is considered as a study outcome...
- Transfer of plasmid-mediated resistance to tetracycline in pathogenic bacteria from fish and aquaculture environmentsElena Guglielmetti
Department of Biosciences, Food and Nutrition Biotechnology, University of Kuopio, Kuopio, Finland
FEMS Microbiol Lett 293:28-34. 2009..These results demonstrate that the antibiotic resistance genes in the fish intestinal bacteria have the potential to spread both to fish and human pathogens, posing a risk to aquaculture and consumer safety...
- Erythromycin- and tetracycline-resistant lactobacilli in Italian fermented dry sausagesD Zonenschain
Istituto di Microbiologia, Facolta di Agraria, Universita Cattolica del Sacro Cuore, Piacenza, Italy
J Appl Microbiol 107:1559-68. 2009..To assess the frequency of erythromycin- and tetracycline-resistant lactobacilli in Italian fermented dry sausages...
- The S-layer gene of Lactobacillus helveticus CNRZ 892: cloning, sequence and heterologous expressionM L Callegari
Istituto di Microbiologia, Piacenza, Italy
Microbiology 144:719-26. 1998..helveticus CNRZ 892 SlpH, as judged by SDS-PAGE. Immunoelectron microscopy revealed that SlpH was bound to the lactococcal cell walls in small clumps and accumulated in the growth medium as small sheets...
- Rapid amplified ribosomal DNA restriction analysis (ARDRA) identification of Lactobacillus spp. isolated from fecal and vaginal samplesM Ventura
Centro Ricerche Biotecnologiche, Cremona, Italy
Syst Appl Microbiol 23:504-9. 2000..The PCR-ARDRA procedure described in this paper was shown to be a reliable and rapid method for identifying Lactobacillus species from intestinal and vaginal microflora at species and subspecies level...
- In vitro selection of probiotic lactobacilli: a critical appraisalL Morelli
Istituto di Microbiologia, U C S C, Via Emilia Parmense 84, 29100, Piacenza, Italy
Curr Issues Intest Microbiol 1:59-67. 2000..A critical rethinking of selection criteria seems necessary in order to improve the process of developing better probiotics...
- In vivo association to human colon of Lactobacillus paracasei B21060: map from biopsiesL Morelli
Microbiology Institute, Catholic University, Via Emilia Parmense 84, 29100 Piacenza, Italy
Dig Liver Dis 38:894-8. 2006..Moreover, there are no data regarding the distribution of a probiotic strain along the entire intestine...
- Lactobacillus crispatus and its nonaggregating mutant in human colonization trialsC Cesena
Istituto di Microbiologia, , Piacenza, Italy
J Dairy Sci 84:1001-10. 2001..crispatus wild type could be isolated. The results indicate that the surface-mediated properties, such as aggregation, of lactobacilli can have a role in adhesion and colonization...
- Susceptibility of Streptococcus thermophilus to antibioticsLorenzo Tosi
Institute of Microbiology, Universita Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29100, Piacenza, Italy
Antonie Van Leeuwenhoek 92:21-8. 2007..Most strains were susceptible to all the antibiotics tested while a few erythromycin, tetracycline and streptomycin resistant strains were detected...
- The microbiological riskLorenzo Morelli
Istituto di Microbiologia, Universita Cattolica del Sacro Cuore, Piacenza, Italy
Nestle Nutr Workshop Ser Pediatr Program 60:79-87; discussion 87-90. 2007..It is then possible to group neonates according to the composition of the microbiota. Results of ecological studies suggest that neonates with a different microbiota could have a different microbiological risk...
- Beneficial effect of auto-aggregating Lactobacillus crispatus on experimentally induced colitis in miceIgnazio Castagliuolo
School of Pharmacy, Department of Histology, University of Padua, Via A Gabelli 63, Padua 35121 Padua, Italy
FEMS Immunol Med Microbiol 43:197-204. 2005..crispatus M247. These results indicate that a surface-mediated property such as aggregation may play a pivotal role in the protective effects obtained by dietary supplementation with L. crispatus M247 during colitis...
- Enteral nutrition and microflora in pediatric Crohn's diseasePaolo Lionetti
Department of Pediatrics, University of Florence, Meyer Children s Hospital, Florence, Italy
JPEN J Parenter Enteral Nutr 29:S173-5; discussion S175-8, S184-8. 2005..The mechanism of action of such treatment is still conjectural. The aim of the present study was to investigate if EN-induced remission is associated with modification of the fecal microflora in CD...
- Should yoghurt cultures be considered probiotic?Francisco Guarner
Digestive System Research Unit, University Hospital Vall d Hebron, Barcelona, Spain
Br J Nutr 93:783-6. 2005..bulgaricus) improves lactose digestion and eliminates symptoms of lactose intolerance. Thus, these cultures clearly fulfil the current concept of probiotics...
- Aggregating phenotype in Lactobacillus crispatus determines intestinal colonization and TLR2 and TLR4 modulation in murine colonic mucosaSandra Voltan
University of Padua, Department of Histology, Microbiology, and Medical Biotechnologies, Via A Gabelli 63, Padua 35121, Italy
Clin Vaccine Immunol 14:1138-48. 2007..We speculate that the aggregation phenotype in L. crispatus M247 is required to temper epithelial cell responsiveness to bacterial endotoxins, which thus affects the evolution of intestinal inflammatory processes...
- Study of adhesion and survival of lactobacilli and bifidobacteria on table olives with the aim of formulating a new probiotic foodPaola Lavermicocca
Institute of Sciences of Food Production ISPA, National Research Council CNR, Via Amendola, 122 O, 70126 Bari, Italy
Appl Environ Microbiol 71:4233-40. 2005..L. paracasei IMPC2.1 was recovered from fecal samples in four out of five volunteers fed 10 to 15 olives per day carrying about 10(9) to 10(10) viable cells for 10 days...
- In vitro and in vivo survival and transit tolerance of potentially probiotic strains carried by artichokes in the gastrointestinal tractFrancesca Valerio
Institute of Sciences of Food Production, National Research Council, via Amendola 122 O, 70126 Bari, Italy
Appl Environ Microbiol 72:3042-5. 2006..L. paracasei IMPC2.1 was further used in an artichoke human feeding study involving four volunteers, and it was shown that the organism could be recovered from stools...
- Impact of antibiotics on the gut microbiota of critically ill patientsGaetano Iapichino
Istituto di Anestesiologia e Rianimazione, Universita degli Studi, Polo San Paolo, Via di Rudini 8, I 20142 Milano, Italy
J Med Microbiol 57:1007-14. 2008..A statistically significant link between these two ecological traits and the use of clindamycin was also found...
- Proteomic investigation of the aggregation phenomenon in Lactobacillus crispatusRosa A Siciliano
Centro di Spettrometria di Massa Proteomica e Biomolecolare, Istituto di Scienze dell Alimentazione del CNR, Avellino, Italy
Biochim Biophys Acta 1784:335-42. 2008..Moreover, the up-regulation of a putative elongation factor Tu in the wild type M247 strain could suggest a role of this particular protein in the adhesion mechanism of L. crispatus...
- Lactobacillus crispatus M247-derived H2O2 acts as a signal transducing molecule activating peroxisome proliferator activated receptor-gamma in the intestinal mucosaSandra Voltan
Department of Histology, Microbiology and Medical Biotechnologies, University of Padua, Italy
Gastroenterology 135:1216-27. 2008....
- Susceptibility of Lactobacillus plantarum strains to six antibiotics and definition of new susceptibility-resistance cutoff valuesAna Belén Flórez
Instituto de Productos Lácteos de Asturias CSIC, Carretera de Infiesto s n, Villaviciosa, Asturias, Spain
Microb Drug Resist 12:252-6. 2006..The exceptions were four strains with MICs for tetracycline higher than the cutoff point (64 microg ml(1)); these were suspected to harbor acquired resistance determinants...