Abstract: A liquid colloidal pharmaceutical formulation of a type B lantibiotic for infusion or direct injection is described, the formulation being clear of visual particulates and comprising a type B lantibiotic or a salt thereof, an isotonic aqueous solution comprising a sugar alcohol and optionally a buffer.

Abstract: Described are lantibiotic-based compounds, pharmaceutical compositions comprising the same and use of the compounds and said compositions, for the treatment of microbial infection, for example Clostridium difficile or Micrococcus luteus infection. The lantibiotic-based compounds have antimicrobial activity and in comparison to one or more of actagardine, actagardine B, deoxyactagardine B and deoxyactagardine have retained activity or improved activity.

Abstract: Described is a pharmaceutical formulation of a capsule for oral delivery of a type B lantibiotic to the stomach comprising a hard gelatine, HPMC or starch capsule, and a type B lantibiotic of formula (I): wherein X is —NH(CH2)qNH2 and q is an integer 2 to 12.

Abstract: Described is a A liquid colloidal pharmaceutical formulation of a type B lantibiotic for infusion or direct injection comprising a type B lantibiotic or a salt thereof, an isotonic aqueous solution comprising a sugar alcohol such as glycerol and/or a saccharide and optionally a buffer, wherein said final formulation for infusion or direct injection is clear of visual particulates.

Abstract: Described are certain salts of certain lantibiotic compounds, pharmaceutical compositions comprising the same and use of the salts and compositions for the treatment of microbial infection, particularly Methicillin-resistant Staphylococcus aureus (MRSA) infection. The salts have an aqueous solubility of 2.5 mg/mL or more.

Abstract: Described are lantibiotic-based compounds, pharmaceutical compositions comprising the same and use of the compounds and said compositions, for the treatment of microbial infection, for example Clostridium difficile or Micrococcus luteus infection. The lantibiotic-based compounds have antimicrobial activity and in comparison to one or more of actagardine, actagardine B, deoxyactagardine B and deoxyactagardine have retained activity or improved activity.

Abstract: The present invention relates to methods and products for improved production of the lantibiotic mersacidin. There is provided a method of producing a mersacidin variant which comprises introducing into a cell which is a ?MrsA host cell an expression vector encoding said variant, and recovering said variant from the cell culture. Preferred variants include the novel variants of Table 1, e.g. mersacidin F3W, said mersacidin F3W optionally having a further one or more variations, e.g. mersacidin F3W G8A. Also provided is a Bacillus cell which is a SigH deficient strain of Bacillus sp. HIL Y-85,54728 (NCIMB Accession Number NCIMB 41211); this cell may also be used in the production of mersacidin and its variants. Further aspects of the invention include a DNA cassette which comprises a nucleotide sequence encoding the mersacidin mrsA propeptide, and a method to transform a Bacillus HIL host cell with plasmid, which method includes the step of electroporation.