Abstract: The invention relates to a process for in vitro diagnosis of an infection by human cytomegaloviruses. The process consists of contacting cells, possibly carrying the infection, with a monoclonal antibody reacting with a polypeptide of molecular weight 68,000, induced by human cytomegalovirus and which possesses a protein-kinase activity. The detection of the reaction is preferably carried out by immunofluorescence.

Abstract: The present invention relates, in part, to a purified polyclonal or monoclonal antibody which recognizes an epitope of a protein of 48,000 dalton, where the protein recognizes is a surface protein of a merozoite of Plasmodium falciparum which has a peptide of SEQ ID NO:1 or a sequence wherein SEQ ID NO:1 has been modified by insertion, deletion or substitution and the sequence inhibits the binding of inonoclonal antibody 245 to Plasmodium merozoites, as well as fragments of the antibody; the present invention relates to composition and kits containing the same, as well as methods of using the same;

Abstract: The present invention relates to peptide sequences enabling mycobacteria to adhere to host cells (e.g., epithelial cells). More particularly, the invention relates to a mycobacterial heparin-binding haemagglutinin type antigen from M. bovis ECG or M. tuberculosis. The invention also relates to a recombinant peptide sequence enabling mycobacteria to adhere to host cells. The polypeptides can be used to prepare vaccines against mycobacterial infections and for serological diagnosis of mycobacterial infections.

Abstract: The present invention pertains to polynucleotides derived from staphylococcal genes encoding resistance to streptogramin A or to streptogramin B and chemically related compounds. This invention also relates to the use of the polynucleotides as oligonucleotide primers or probes for detecting Staphylococcal strains that are resistant to streptogramin A or to streptogramin B and related compounds in a biological sample. In another embodiment, the present invention is directed to the full length coding sequences of the staphylococcal genes encoding for resistance to streptogramin A or to streptogramin B from Staphylococcus and to the polypeptides expressed by these full length coding sequences. Further, this invention relates to the use of the expressed polypeptides to produce specific monoclonal or polyclonal antibodies that serve as detection means in order to characterize any staphylococcal strain carrying genes encoding resistance to streptogramin A or to streptogramin B.

Abstract: This invention relates to vectors, bacterial strains, and methods for the cloning and expression of a polypeptide having larvicidal activity. In particular, the invention relates to vectors, bacterial strains and methods for the cloning and expression of the N-terminal region of a polypeptide toxic against the larvae of Lepidoptera of the Noctuidae family, preferably against S. littoralis.

Abstract: The present invention provides a method for obtaining thermostable enzymes. The present invention also provides variants of DNA polymerase I from Thermus aquaticus. The present invention further provides methods of identifying mutant DNA polymerases having enhanced catalytic activity. The present invention also provides polynucleotides, expression systems, and host cells encoding the mutant DNA polymerases. Still further, the present invention provides a method to carry out reverse transcriptase-polymerase chain reaction (RT-PCR) and kits to facilitate the same.

Abstract: A modified bioluminescent system comprising a fluorescent molecule covalently linked with a photoprotein, wherein said link between the two proteins has the function to stabilize the modified bioluminescent system and allowing the transfer of the energy by Chemiluminescence Resonance Energy Transfer (CRET).

Abstract: The present invention pertains to polynucleotides derived from staphylococcal genes encoding resistance to streptogramin A or to streptogramin B and chemically related compounds. This invention also relates to the use of the polynucleotides as oligonucleotide primers or probes for detecting Staphylococcal strains that are resistant to streptogramin A or to streptogramin B and related compounds in a biological sample. In another embodiment, the present invention is directed to the full length coding sequences of the staphylococcal genes encoding for resistance to streptogramin A or to streptogramin B from Staphylococcus and to the polypeptide expressed by these full length coding sequences. Further, this invention relates to the use of the expressed polypeptides to produce specific monoclonal or polyclonal antibodies that serve as detection means in order to characterize any staphylococcal strain carrying genes encoding resistance to streptogramin A or to streptogramin B.

Abstract: The present invention relates to new peptides of IL-2, and derivatives thereof and their use as therapeutic agents.

Abstract: The present invention provides antibodies that specifically bind RSP-2 proteins which are involved in the cytoadhesion of P. falciparum during ring-stage infection of erythrocytes as well as methods of using these antibodies.

Abstract: Neuroinvasive and neurovirulent strain of the West Nile virus, named IS-98-ST1, nucleic acid molecules derived from its genome, proteins and peptides encoded by said nucleic acid molecules, and uses thereof.

Abstract: The invention relates to peptides having the formula (I): X-His-Asn-Pro-Y wherein X is a rest Gln or pyro-Glu. Y is a group OH or a rest of basic aminoacid.

Abstract: The invention relates to a composition of polypeptides, characterized in that it contains at least one protein or part of a protein selected from the sequences of amino acids identified in the list of the sequences as SEQ ID NO 1 (VanH), SEQ ID NO 2 (VanA).

Abstract: The present invention relates to peptides and polypeptide derived from the submaxillary gland of the rat. In particular, the present invention discloses a purified peptide of formuls: X-His-Asn-Pro-Y in which X represents a Gln or Pro-Glu residue and Y represents an OH group or residue of a basic amino acid. The present invention also relates to corresponding polyclonal and monoclonal antibodies as well as corresponding hybridomas. The products of the present invention are useful for therapeutic, diagnosis and detection purposes.

Abstract: The present invention is directed to a method for selecting a prey polypeptide that is able to interact with a bait polypeptide of interest, to a prey polynucleotide encoding the prey polypeptide as well as to the prey polypeptide itself. The invention also concerns plasmids used for performing the method of the invention as well as prokaryotic or eukaryotic recombinant host organisms containing such plasmids and also a collection of said recombinant host organisms consisting in a DNA library, such as a collection of recombinant haploid Saccharomyces cerevisiae. Finally, the invention is also directed to a technical medium containing the whole information concerning the interactions between metabolically related bait and prey polypeptides and/or polynucleotides coding for bait and prey polypeptides.

Abstract: A gene encoding an acetyltransferase inactivating streptogramin A was isolated from an Enterococcus faecium strain and sequenced. The gene, designated vatE, encodes a 23.775 kDa protein exhibiting 48.5 to 59.9% amino acid identity with four other enzymes with the same activity, Vat, VatB, VatC and SatA.

Abstract: The present application relates to nucleotide sequences which regulate the biosynthesis of the flagella proteins Helicobacter pylori, to the proteins encoded by these sequences and to a aflagellate bacterial strains. The invention also relates to the use of these means for detecting an infection due to H.pylori or for protecting against such an infection.

Abstract: The invention relates to a composition of polypeptides, characterized in that it contains at least one protein or part of a protein selected from the sequences of amino acids identified in the list of the sequences as SEQ ID NO 1 (VanH), SEQ ID NO 2 (VanA), SEQ ID NO 3 (VanX) or SEQ ID NO 19 (VanC), or any protein or part of a protein recognized by the antibodies directed against VanH, VanA, VanX or VanC, or any protein or part of a protein encoded in a sequence hybridizing with one of the nucleotide sequences identified in the list of the sequences as SEQ ID NO 8, SEQ ID NO 9 or SEQ ID NO 10 or with one of the following sequences V1 or V2 under stringent or only slightly stringent conditions: V1: GGX GAA GAT GGX TCX TTX CAA GGX ??G ??C AG C ??G A V2: AAT ACX ATX CCX GGX TTT AC ??C T ??C C The invention also relates to the nucleotide sequences coding for these polypeptides as well as their utilization for the diagnosis of resistance to the glycopeptides.

Abstract: This invention is in the field of lymphadenopathy virus which has been designated Human Immunodeficiency Virus Type 1 (HIV-1). This invention relates to a diagnostic means and method to detect the presence of DNA, RNA or antibodies of the lymphadenopathy retrovirus associated with the acquired immune deficiency syndrome or of the lymphadenopathy syndrome by the use of DNA fragments of the peptides encoded by said DNA fragments. The invention further relates to the DNA fragments, vectors comprising them and the proteins expressed.

Abstract: The present invention relates to nine residue peptides (M32-40) from flavivirus M ectodomain able to modulate specifically the apoptotic activity of diverse flavivirus, to pharmaceutical composition comprising the same and their use for the treatment and/or the prevention of flavivirus-linked infections and cancers.