Abstract: Provided are fragments of human p97 (melanotransferrin) polypeptides having blood-brain barrier (BBB) transport activity, including variants and combinations thereof, conjugates comprising said p97 fragments, and related methods of use thereof, for instance, to facilitate delivery of therapeutic or diagnostic agents across the BBB.

Abstract: The present invention provides novel therapeutic antimicrobial peptides that are bactericides and have an inhibitory effect on biofilms produced by biofilm-forming bacteria and especially biofilm-forming staphyloccocal bacteria. The invention includes the nucleic acids encoding the polypeptides, methods of treating bacterial infections, medical devices or implants or prosthetics impregnated with, covered or coated in the polypeptides, and means of delivery of the peptide to the oral cavity.

Abstract: The present disclosure relates generally to antimicrobial peptides, methods for their use, and methods for preparing devices having surfaces which are modified to incorporate OH said peptides. In some embodiments, the antimicrobial peptides are antimicrobial OH cationic peptides modified to comprise a thiol functional group.

Abstract: The present invention relates to a new isolated polypeptide nominated microcin S, isolated nucleic acid molecules encoding the microcin S polypeptide and primers and probes hybridizing to the nucleic acid molecules. The invention also relates to plasmids and cells comprising the nucleic acid molecules, an antibody binding to the polypeptide, compositions as well as methods for producing and using the polypeptides. The present invention further relates to medical uses for treating or preventing microbial infections, functional gastrointestinal disorders or treating a tumor. The invention further relates to a method for preserving food and a method for coating dressing material.

Abstract: The present invention relates to compounds that are cationic vancomycin analogues and their compositions. Method of making the compounds and their use as medicament for the treatment of bacterial infection are also disclosed.

Abstract: The present invention relates to cyclic cationic peptides and their use in the treatment of microbial infections.

Abstract: The present invention relates to a polypeptide with an amino acid sequence according to SEQ ID NO: 1 and fragments or derivatives thereof. The present invention further relates to fusion proteins comprising said polypeptide and an additional peptide stretch fused to said polypeptide at the N- or C-terminus. Moreover, the present invention relates to nucleic acid molecules encoding said polypeptide or fusion protein, vectors comprising said nucleic acid molecules and host cells comprising either said nucleic acid molecules or said vectors. In addition, the present invention relates to said polypeptide or fusion protein for use as a medicament, in particular for the treatment or prevention of Gram-negative bacterial infections, as diagnostic means, as cosmetic substance or as sanitizing agent.

Abstract: Provided is a bacterial strain which produces a family of mosquitocidal toxins, Xenorhabdus MT, on deposit with the American Type Culture Collection, PTA-6826, insecticidal compositions comprising the mosquitocidal toxin(s) produced by Xenorhabdus MT, a mosquitocidal toxin preparation prepared from spent culture medium, whole culture or cells or a mixture thereof, of Xenorhabdus MT and method of insect control, especially mosquito control. Also provided are microbial compounds (same as mosquitocidal toxins) compositions comprising them and use in formulating therapeutic and other antimicrobial compositions, and methods of use for inhibiting microbial growth and for treating infection.

Abstract: The present invention encompasses methods for treating an infection and/or treating or reducing inflammation through the administration of a therapeutically effective amount of a peptide to a subject in need thereof. In some aspects, the peptide is a Helicobacter pylori-derived peptide, such as an HPA3NT3 peptide and the infection is a bacterial infection.

Abstract: Provided herein are biologically active solution compositions comprising one or more sacrificial proteolytic enzyme substrates, one or more preservatives, and one or more antimicrobial agents and methods of using the solution compositions to treat tissue sites, in particular chronic wounds. The compositions may be used in conjunction with negative pressure wound therapy to treat tissue sites.

Abstract: The invention concerns a novel antimicrobial peptide (AMP) polymer conjugate comprising at least one AMP, typically colistin, and a dextrin polymer wherein said dextrin polymer has a molecular weight between 5,000-60,000 g/mol and is modified by the additions of pendant groups which increase the stability of the conjugate and so delays its degradation thereby slowing the rate at which the AMP is released.

Abstract: The present invention provides compositions and methods for noninvasive delivery of therapeutic agents across an intact tympanic membrane. For example, the compositions include a penetration enhancer which increases the flux of a therapeutic agent (e.g., antibiotic) across the tympanic membrane. Such compositions are particularly useful in the treatment of otitis media. Additionally, the composition may include a sustained release agents that, in some embodiments form sustained release reservoirs, in situ, once administered to a patient.

Abstract: The composition of the invention, liposomal glutathione, has been recently shown to have utility for having an antibiotic like effect on Klebsiella pneumonia cultures in vitro, and in vivo as demonstrated by efficacy in reducing by large multiples the presence of cultures of Klebsiella in rats in animal tests. Further, because the liposomal glutathione bolsters body defenses as well as appearing to have direct killing action, the propensity to create more and more resistant strains to antibiotic treatment is downgraded.

Abstract: The present invention is directed to the peptides WKWLKKWIK, WRKFWKYLK, and RRWRVIVKW and use of said peptides as therapeutic agents for the prophylaxis and/or treatment of infections, in particular bacterial and/or fungal infections and diseases caused by bacterial and/or fungal infections.

Abstract: The present invention relates to methods and compositions for the treatment and prevention of diarrhea and diarrheal related diseases and disorders in both animals and humans. In some embodiments, the invention relates to the treatment of said diarrhea and diarrheal related diseases and disorders with a vaccine. In still further embodiments, the invention relates to the treatment of constipation using the disclosed methods and compositions.

Abstract: The disclosure provides cationic peptidopolysaccharides of Formula I: which has a bacterial peptidoglycan-mimetic structure, and shows outstanding broad spectrum activities against clinically significant bacteria and fungi. The structural affinity of these compounds with microbial cell wall constituents promotes its passage to the cytoplasmic membrane resulting in excellent antimicrobial activity and record high selectivity.

Abstract: Antimicrobial compositions including a cell penetrating peptide (CPP) having the amino acid sequence Tyr-Ala-Arg-Val-Arg-Arg-Arg-Gly-Pro-Arg-Gly-Tyr-Ala-Arg-Val-Arg-Arg-Arg-Gly-Pro-Arg-Arg (SEQ ID NO:1) or variant thereof are disclosed. The CPP, which itself has antimicrobial properties, can be advantageously combined with or conjugated to a cargo to increase the delivery, efficacy, or combinations thereof, of the cargo into cells. In preferred embodiments, the CPP is combined with or conjugated to a functional nucleic acid, such as an external guide sequence (EGS) which can target and reduce expression of essential microbial genes or genes than impart resistance to antimicrobial drugs. Methods of using the compositions alone or in combination with traditional antimicrobial drugs to treat infections are also disclosed.

Abstract: The present invention provides methods for preventing, treating, or reducing the severity of infection, including bacterial, viral, and fungal infections, and including infections of more complex etiology. The invention involves the administration of an alpha thymosin peptide regimen, so as to prime or enhance a patient's immune response for pathogen exposure. In certain embodiments, the alpha thymosin regimen is scheduled or timed with respect to potential or expected pathogen exposures. The regimen of alpha thymosin peptide as described herein provides the patient with a more robust immune response to pathogen exposure, including higher antibody titers and/or a more rapid antibody response. In certain embodiments, the patient is immunodeficient or immunecompromised, and/or the patient is hospitalized or scheduled for hospitalization, such that the regimen of alpha thymosin peptide helps to protect the patient from, or reduce the severity of nosocomial infection or illness.

Abstract: The present invention relates to methods and pharmaceutical compositions for the treatment of respiratory tract infections. More particularly, the present invention relates to a TLR5 agonist for use in a method for treating a respiratory tract infection.

Abstract: The present invention relates to cyclic cationic peptides and their use in the treatment of microbial infections.

Abstract: The present invention relates generally to novel depsipeptides, to methods for the preparation of these novel depsipeptides, to pharmaceutical compositions comprising the novel depsipeptides; and to methods of using the novel depsipeptides to treat or inhibit various disorders.

Abstract: The present invention relates to an N-glycosylated protein for treating and/or preventing bacterial Pasteurellaceae infection in a mammal or bird, wherein the protein is a Pasteurellaceae protein, a functional fragment or derivative thereof having at least one glycosylated N-X-S/T consensus sequence. In addition, the present invention is directed to corresponding pharmaceutical compositions for treating and/or protecting mammals or birds having or being prone to develop a bacterial Pasteurellaceae infection. Furthermore, the invention describes methods for producing said N-glycosylated proteins.

Abstract: A therapeutic formulation containing mucin glycans derived from one or a number of nutritionally appropriate sources is described.

Abstract: The present disclosure provides a modified cecropin protein comprising a cecropin or a variant thereof fused to a hydrophilic tail lacking a C-terminal glycine. The present disclosure also provides pharmaceutical compositions, methods and uses of the modified cecropin protein or nucleic acid for treating or preventing endoparasites, such as Plasmodium, and bacteria.

Abstract: The present disclosure provides compositions comprising fatty acids, or derivatives thereof (e.g., C1-C4 esters) including, for example, DGLA, 15-OHEPA and/or 15-HETrE, used alone or in combination with one or more antibiotic agents for the treatment of disease and/or disorders such as a skin infection or wound healing.

Abstract: The present invention relates to recombinant N-glycosylated proteins, comprising one or more introduced N-glycosylated optimized amino acid sequence(s), nucleic acids encoding these proteins as well as corresponding vectors and host cells. In addition, the present invention is directed to the use of said proteins, nucleic acids, vectors and host cells for preparing medicaments. Furthermore, the present invention provides methods for producing said proteins.

Abstract: The method of removing Escherichia coli (E. coli) bacteria from an aqueous solution includes the step of mixing multi-walled carbon nanotubes functionalized with a dodecylamine group (C12H27N) into an aqueous solution containing E. coli bacteria. The multi-walled carbon nanotubes functionalized with a dodecylamine group have an antimicrobial effect against the E. coli bacteria. The multi-walled carbon nanotubes may be mixed into the aqueous solution at a concentration of between approximately 0.2 g and 0.007 g of multi-walled carbon nanotubes functionalized with a dodecylamine group per 100 ml of the aqueous solution.

Abstract: Peptide compounds based on the CAP37 protein are disclosed, along with methods for treating various infections, wounds, and conditions, and methods of promoting healing and acceptance of grafts, using compositions containing these peptides.

Abstract: The present invention relates to a polymyxin derivative and to a combination product comprising at least two such derivatives. The invention further relates to a method for treating, alleviating or ameliorating an infection in a subject caused by a Gram-negative bacterium, by administering a therapeutically effective amount of a derivative according to the present invention to said subject; to a method for sensitizing Gram-negative bacteria to an antibacterial agent by administering, simultaneously or sequentially in any order a therapeutically effective amount of said antibacterial agent and a derivative according to the present invention to said subject; to methods for developing novel antibiotics; for reducing the nephrotoxicity, for improving the pharmacokinetic properties of natural polymyxins and octapeptins; and for sensitizing clinically important bacteria to a host defense mechanism complement present in serum. Finally, the invention relates to a process for preparing such polymyxin derivatives.

Abstract: The present application discloses a method for treating microbial infection using an antimicrobial composition comprises antimicrobial peptide which contains at least one VGFPV motif.

Abstract: The present invention provides polyphenolic compositions derived from a plant that inhibit the formation of a biofilm. Also provided are combinations that comprise at least one phenolic phytochemical and at least one antimicrobial agent that inhibit the growth of an established biofilm. Further, the present invention provides methods for inhibiting the formation and growth of biofilms.

Abstract: Disclosed herein is a peptide for inhibiting growth of bacterial pathogens in a biological sample, characterized by an amino acid sequence selected from a group consisting of Pro-His-Trp-Trp-Lys-Trp-Ala-Trp-Trp-His-His-Arg-Arg (SEQ ID NO:1), Lys-His-Trp-Trp-Lys-His-Asp-Trp-Trp-Arg-Trp-Arg-Arg (SEQ ID NO:2), and Ile-Leu-Trp-Trp-Leu-Leu-Ala-Trp-Trp-Arg-Trp-Pro-His (SEQ ID NO:3).

Abstract: Disclosed herein is a peptide for inhibiting growth of bacterial pathogens in a biological sample, characterized by an amino acid sequence selected from a group consisting of Gly-Leu-Phe-Asp-Lys-Trp-Ala-Trp-Trp-Arg-Trp-Arg-Arg (SEQ ID NO:1), Gly-Leu-Phe-Asp-Ile-Trp-Ala-Trp-Trp-Arg-Trp-Arg-Arg (SEQ ID NO:2), Gly-Leu-Phe-Asp-Ile-Trp-Lys-Trp-Trp-Arg-Trp-Arg-Arg (SEQ ID No:3), Gly-Leu-Phe-Asp-Ile-Trp-Lys-Lys-Trp-Arg-Trp-Arg-Arg (SEQ ID NO:4), and Gly-Leu-Phe-Asp-Ile-Trp-Lys-Lys-Leu-Arg-Trp-Arg-Arg (SEQ ID NO:5).

Abstract: The present invention provides an antimicrobial material in an encapsulated form, comprising (i) a core comprising an antimicrobial material and (ii) a shell of encapsulating material, wherein the shell of encapsulating material is impermeable to the antimicrobial material. The invention further provides a process for introducing an antimicrobial material, into a foodstuff comprising (i) providing the antimicrobial material in an encapsulated form comprising a core of antimicrobial material and shell of encapsulating material, and (ii) introducing encapsulated antimicrobial material into or onto the foodstuff.

Abstract: This invention provides novel targeted antimicrobial compositions. In various embodiments chimeric moieties are provided comprising an antimicrobial peptide attached to a peptide targeting moiety that binds a bacterial strain or species.

Abstract: The present invention relates to a polymyxin derivative wherein the derivative has a total of three positive charges at physiological pH and wherein the terminal moiety (D) of the derivative comprises a total of 1 to 5 carbon atoms. The invention also relates to a method of treating a subject for a gram-negative bacterial infection by administering a polymyxin derivative of the invention in combination with a second antibacterial agent. Finally, the invention relates to a process for preparing such polymyxin derivatives.

Abstract: Provided herein are antibacterial compounds, wherein the compounds in some embodiments have broad spectrum bioactivity. In various embodiments, the compounds act by inhibition of bacterial type 1 signal peptidase (SpsB), an essential protein in bacteria. Pharmaceutical compositions and methods for treatment using the compounds described herein are also provided.

Abstract: Provided is a bacteriocin that is capable of being easily mass-produced, has high antimicrobial activity even at low concentration, has a wide antimicrobial spectrum, and is less likely to produce resistant microorganisms. The bacteriocin has the amino acid sequence shown in SEQ ID NO: 1 or SEQ ID NO: 2 in SEQUENCE LISTING, or has the same amino acid sequence as shown in SEQ ID NO: 1 or SEQ ID NO: 2 in SEQUENCE LISTING except that one or several amino acids are deleted, substituted, inserted and/or added, wherein the amino acid sequence provides antimicrobial activity and the isoelectric point is not less than 12.

Abstract: The disclosure relates to methods and compositions for preventing or inhibiting pathogenic bacterial infections in a subject caused by pathogenic bacteria expressing a multivalent adhesion molecule (MAM) polypeptide by administering to a subject a composition comprising a MAM polypeptide or a non-pathogenic bacterium expressing a MAM polypeptide, or a combination thereof.

Abstract: The present invention relates to a polymyxin derivative wherein R1, R2 and R3 are optional and R1, R2, R3, R5, R8 and R9 are cationic or neutral amino acid residues selected so that the total number of positive charges at physiological pH is at least two but no more than three; and to a combination product comprising at least two such derivatives.

Abstract: The present application belongs to the field of functional peptides and more particularly to the field of controlled protein aggregation. The invention discloses molecules of a peptide structure as defined in the claims and methods of using such molecules for therapeutic applications and for diagnostic uses, as well as in other applications such as in the agbio field and in industrial biotechnology. The molecules can be used for curing and/or stabilizing infections such as bacterial, fungal and viral diseases, but are also useful in non-infectious human and veterinary diseases. The molecules can also be used for the detection of protein biomarkers and for the prognosis and diagnosis of a variety of diseases.

Abstract: Provided herein are methods for treating planktonic bacteria or a biofilm. The methods include contacting the planktonic bacteria or biofilm with an effective amount of an isolated Citrobacter freundii colicin A polypeptide, wherein the polypeptide has an antibacterial activity against the planktonic bacteria or the biofilm. Methods are also provided herein for treating a subject that has a bacterial infection, for example caused by a biofilm. The methods can be used to treat a biofilm on a living or non-living surface. Also provided herein are Citrobacter freundii colicin A polypeptides that have an antibacterial activity against planktonic bacteria or surface attached bacteria, and nucleic acid sequences encoding the polypeptides. Medical devices comprising a surface having an antimicrobial effective amount of a Citrobacter freundii colicin A polypeptide, or a nucleic acid molecule encoding the polypeptide, are also disclosed.

Abstract: Provided herein are novel compounds and novel protected compounds that can be derived from polymyxin, including, e.g., polymyxin A. The novel compounds have antibacterial properties against a diverse range of Gram negative bacteria and reduced toxicity compared to polymyxins such as polymyxin A. Also provided are antibacterial pharmaceutical compositions containing the novel compounds and novel protected compounds, as well as methods for preparing the antibacterial compounds and protected compounds.

Abstract: The present application discloses a method for treating microbial infection using an antimicrobial composition comprises antimicrobial peptide which contains at least one VGFPV motif.

Abstract: Provided is treatment of urinary tract infections including bladder infections caused by uropathogenic bacterial strains such as for example Escherichia coli with a beta-hairpin antimicrobial Arenicin polypeptide derived from the murine polychaeta Arenicola marina. Also provided are variants of Arenicin for treatment of urinary tract infections.

Abstract: Gram-negative bacteria, and compositions containing the bacteria, resistant to one or more stress conditions, including, but not limited to, CO2, acid pH, and high osmolarity, having reduced TNF-?induction having a mutation in one or more lipid biosynthesis genes, e.g., msbB, rendered stress-resistant by a mutation in the zwf gene are provided. Methods for prophylaxis or treatment of a virally induced disease in a subject comprising administering preferably attenuated stress-resistant gram-negative bacterial mutants. and for prophylaxis or treatment of a virally induced disease in a subject comprising administering one or more stress-resistant gram-negative bacterial mutants as vectors for the delivery of one or more therapeutic molecules are provided.

Abstract: The present invention relates to a polymyxin derivative wherein the derivative has a total of three positive charges at physiological pH and wherein the terminal moiety (D) of the derivative comprises a total of 1 to 5 carbon atoms. The invention also relates to a method of treating a subject for a gram-negative bacterial infection by administering a polymyxin derivative of the invention in combination with a second antibacterial agent. Finally, the invention relates to a process for preparing such polymyxin derivatives.

Abstract: Therapeutic, diagnostic and environmental monitoring methods employing proteins encoded by the rbmBCDEF gene cluster and by bap1.

Abstract: Disclosed herein are methods and compositions for the eradication of bacterial infections. In particular, methods and compositions are disclosed for the eradication of persister and slow growing bacterial cell populations. In particular embodiments, the methods and compositions disclosed herein are useful for eradication of biofilms.

Abstract: The present invention is directed to cyclodepsipeptide compounds having antineoplastic and/or antimicrobial activity, preferably Kitastatin 1. The present invention is further directed to methods of inhibiting cancer cell growth and/or microbial growth in a host inflicted therewith by administering cyclodepsipeptide compounds to the inflicted host.