Adhesive properties of Clostridium perfringens to extracellular matrix proteins collagens and fibronectin. 2014

Yasuo Hitsumoto, and Naomi Morita, and Ryosuke Yamazoe, and Mika Tagomori, and Tsutomu Yamasaki, and Seiichi Katayama
Department of Life Sciences, Faculty of Science, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan. Electronic address: hitsumot@dls.ous.ac.jp.

The adhesive properties of Clostridium perfringens to collagens, gelatin, fibronectin (Fn), Fn-prebound collagens, and Fn-prebound gelatin were investigated. C. perfringens could bind to Fn-prebound collagen type II, type III, and gelatin, but not to gelatin or collagens except for collagen type I directly. Recombinant Fn-binding proteins of C. perfringens, rFbpA and rFbpB, were used to examine Fn-mediated bacterial adherence to collagen type I. In the presence of rFbps, C. perfringens adherence to Fn-prebound collagen type I was inhibited in a dose-dependent manner. Fn was not released from the coated collagen type I by the presence of rFbps, and rFbps did not bind to collagen type I. Thus, the inhibition of C. perfringens binding to Fn-prebound collagen type I by rFbps could not be explained by the removal of Fn from collagen or by the competitive binding of rFbps to collagen. Instead, both rFbps were found to bind to C. perfringens. These results suggest the possibility that rFbps may bind to the putative Fn receptor expressed on C. perfringens and competitively inhibit Fn binding to C. perfringens.

UI MeSH Term Description Entries
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D003016 Clostridium perfringens The most common etiologic agent of GAS GANGRENE. It is differentiable into several distinct types based on the distribution of twelve different toxins. Clostridium welchii
D003094 Collagen A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). Avicon,Avitene,Collagen Felt,Collagen Fleece,Collagenfleece,Collastat,Dermodress,Microfibril Collagen Hemostat,Pangen,Zyderm,alpha-Collagen,Collagen Hemostat, Microfibril,alpha Collagen
D005353 Fibronectins Glycoproteins found on the surfaces of cells, particularly in fibrillar structures. The proteins are lost or reduced when these cells undergo viral or chemical transformation. They are highly susceptible to proteolysis and are substrates for activated blood coagulation factor VIII. The forms present in plasma are called cold-insoluble globulins. Cold-Insoluble Globulins,LETS Proteins,Fibronectin,Opsonic Glycoprotein,Opsonic alpha(2)SB Glycoprotein,alpha 2-Surface Binding Glycoprotein,Cold Insoluble Globulins,Globulins, Cold-Insoluble,Glycoprotein, Opsonic,Proteins, LETS,alpha 2 Surface Binding Glycoprotein
D005780 Gelatin A product formed from skin, white connective tissue, or bone COLLAGEN. It is used as a protein food adjuvant, plasma substitute, hemostatic, suspending agent in pharmaceutical preparations, and in the manufacturing of capsules and suppositories. Gelafusal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001422 Bacterial Adhesion Physicochemical property of fimbriated (FIMBRIAE, BACTERIAL) and non-fimbriated bacteria of attaching to cells, tissue, and nonbiological surfaces. It is a factor in bacterial colonization and pathogenicity. Adhesion, Bacterial,Adhesions, Bacterial,Bacterial Adhesions
D016326 Extracellular Matrix Proteins Macromolecular organic compounds that contain carbon, hydrogen, oxygen, nitrogen, and usually, sulfur. These macromolecules (proteins) form an intricate meshwork in which cells are embedded to construct tissues. Variations in the relative types of macromolecules and their organization determine the type of extracellular matrix, each adapted to the functional requirements of the tissue. The two main classes of macromolecules that form the extracellular matrix are: glycosaminoglycans, usually linked to proteins (proteoglycans), and fibrous proteins (e.g., COLLAGEN; ELASTIN; FIBRONECTINS; and LAMININ). Extracellular Matrix Protein,Matrix Protein, Extracellular,Matrix Proteins, Extracellular,Protein, Extracellular Matrix,Proteins, Extracellular Matrix

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