Maria Laura Ferrando

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We have identified apuA in Streptococcus suis, which encodes a bifunctional amylopullulanase with conserved alpha-amylase and pullulanase substrate-binding domains and catalytic motifs. ApuA exhibited properties typical of a Gram-positive surface protein, with a putative signal sequence and LPKTGE cell-wall-anchoring motif. A recombinant protein containing(More)
Bluetongue virus (BTV) is the causative agent of Bluetongue (BT) disease in ruminant livestock and occurs almost worldwide between latitudes 35 degrees S and 50 degrees N; 24 serotypes of BTV are known of which 8 circulate periodically within parts of the Mediterranean Region. A fast (about 3.5 h) and versatile diagnostic procedure able to detect and(More)
Streptococcus suis is a major bacterial pathogen of young pigs causing worldwide economic problems for the pig industry. S. suis is also an emerging pathogen of humans. Colonization of porcine oropharynx by S. suis is considered to be a high risk factor for invasive disease. In the oropharyngeal cavity, where glucose is rapidly absorbed but dietary(More)
Streptococcus suis is a major porcine pathogen of significant commercial importance worldwide and an emerging zoonotic pathogen of humans. Given the important sentinel role of mucosal dendritic cells and their importance in induction of T cell responses we investigated the effect of different S. suis serotype strains and an isogenic capsule mutant of(More)
BACKGROUND Streptococcus suis has emerged as an important cause of bacterial meningitis in adults. The ingestion of undercooked pork is a risk factor for human S. suis serotype 2 (SS2) infection. Here we provide experimental evidence indicating that the gastrointestinal tract is an entry site of SS2 infection. METHODS We developed a noninvasive in vivo(More)
BACKGROUND Streptococcus suis is a zoonotic pathogen, causing meningitis and septicemia. We previously demonstrated that the gastrointestinal tract (GIT) is an entry site for zoonotic S. suis infection. Here we studied the contribution of Streptococcal adhesin Protein (SadP) to host-pathogen interaction at GIT level. METHODS SadP expression in presence of(More)
M.N. Losio1*, M.L. Ferrando1, P. Daminelli1 and F. Chegdani2 1Istituto Zooprofilattico Sperimentale della L ombardia e dell’Emilia-Romagna – Brescia. 2Istituto di Zootecnica, Facoltà di Agraria, Università Cattolica del S. Cuore di Piacenza – Piacenza *Correspondence: Istituto Zooprofilattico Sperimentale della L ombardia e dell’EmiliaRomagna, via Bianchi(More)
Streptococcus suis (SS) is a zoonotic pathogen that can cause systemic infection in pigs and humans. The ingestion of contaminated pig meat is a well-established risk factor for zoonotic S. suis disease. In our studies, we provide experimental evidence that S. suis is capable to translocate across the host gastro-intestinal tract (GIT) using in vivo and in(More)
Histatins are multifunctional histidine-rich peptides secreted by the salivary glands and exclusively present in the saliva of higher primates, where they play a fundamental role in the protection of the oral cavity. Our previously published results demonstrated that histatin-1 (Hst1) promotes cell-substrate adhesion in various cell types and hinted that it(More)
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