Abstract: This invention relates to a novel purified compound PM181104, of formula: of molecular weight 1514 and molecular formula C69H66N18O13S5; which is obtained by fermentation of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269). The invention includes all stereoisomeric forms and all tautomeric forms of the compound PM181104 and pharmaceutically acceptable salts and derivatives such as esters and ethers. The present invention further relates to processes for the production of the novel antibacterial compound(s), to the production of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269), and to pharmaceutical compositions containing the novel compound(s) as an active ingredient and its/their use in medicines for treatment and prevention of diseases caused by bacterial infections.

Abstract: This invention relates to a novel purified compound PM181104, of formula: of molecular weight 1514 and molecular formula C69H66N18O13S5; which is obtained by fermentation of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269). The invention includes all stereoisomeric forms and all tautomeric forms of the compound PM181104 and pharmaceutically acceptable salts and derivatives such as esters and ethers. The present invention further relates to processes for the production of the novel antibacterial compound(s), to the production of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269), and to pharmaceutical compositions containing the novel compound(s) as an active ingredient and its/their use in medicines for treatment and prevention of diseases caused by bacterial infections.

Abstract: The present invention relates to a plant mangrove-associated fungus Curvularia lunata, and a simple and efficient method of obtaining high yield of pure mannitol from a plant mangrove-associated fungus Curvularia lunata, said method comprising steps of cutting the leaves into small pieces and placing it on potato dextrose agar (PDA) plates for 48 hours, maintaining the culture at temperature ranging between 26-47° C. and salinity ranging between 4-32 ppt with occasional stress conditions for about 17-19 days to obtain mycelial mat, sonicating the mat to lyse the cells, extracting crude from the sonicated mat using methanol repeatedly, concentrating the crude, treating the concentrated crude extract with solvents of increasing polarity, obtaining aqueous fraction as white powder residue after the treatment containing crude mannitol, purifying the crude mannitol by chromatography to obtain pure mannitol with about 75% of the total crude extract.

Abstract: The present invention relates to a plant mangrove-associated fungus Culvularia lunata, and a simple and efficient method of obtaining high yield of pure mannitol from a plant mangrove-associated fungus Curvularia lunata, said method comprising steps of cutting the leaves into small pieces and placing it on potato dextrose agar (PDA) plates for 48 hours, maintaining the culture at temperature ranging between 26-47° C. and salinity ranging between 4-32 ppt with occasional stress conditions for about 17-19 days to obtain mycelial mat, sonicating the mat to lyse the cells, extracting crude from the sonicated mat using methanol repeatedly, concentrating the crude, treating the concentrated crude extract with solvents of increasing polarity, obtaining aqueous fraction as white powder residue after the treatment containing crude mannitol, purifying the crude mannitol by chromatography to obtain pure mannitol with about 75% of the total crude extract.

Abstract: The present invention relates a novel compound, chrysogenazine containing both indole and diketopiperazine ring systems, isolated from the chloroform fraction of the fermentation broth of Penicillium chrysogenum and the gross structure of the compound was elucidated by a detailed analysis of spectroscopic data (IR, NMR, MS), in addition, this invention also assesses the biological activity of the compound which reveals its antibacterial activity against the human pathogen, Vibrio cholerae, demonstrated by the disc diffusion assay.

Abstract: The present invention relates to a plant mangrove-associated fungus Culvularia lunata of International deposition no. ______, and a simple and efficient method of obtaining high yield of pure mannitol from a plant mangrove-associated fungus Curvularia lunata, said method comprising steps of cutting the leaves into small pieces and placing it on potato dextrose agar (PDA) plates for 48 hours, maintaining the culture at temperature ranging between 26-47° C. and salinity ranging between 4-32 ppt with occasional stress conditions for about 17-19 days to obtain mycelial mat, sonicating the mat to lyse the cells, extracting crude from the sonicated mat using methanol repeatedly, concentrating the crude, treating the concentrated crude extract with solvents of increasing polarity, obtaining aqueous fraction as white powder residue after the treatment containing crude mannitol, purifying the crude mannitol by chromatography to obtain pure mannitol with about 75% of the total crude extract.