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Identification and antimicrobial properties of a new alkaloid produced by marine-derived Verrucosispora sp. FIM06-0036.
{Author}: Chen Ming-Hong;Lian Yun-Yang;Fang Dong-Sheng;Chen Li;Jia Jia;Zhang Wen-Long;Lin Ru;Xie Yang;Bi Hong-Kai;Jiang Hong*
{Journal}: Natural product research
{Year}: 2019
{Pages}: 1-7
{Keywords}:Actinomycete;Helicobacterpylori;Verrucosispora;Antibiotics;Antimicrobial activity
{Abstract}: The actinomycete strain FIM06-0036 was isolated from marine sponge sample collected from the East China Sea and identified as Verrucosispora sp. based upon the results of 16S rRNA sequence analysis. One new alkaloid, 2-ethylhexyl 1H-imidazole-4-carboxylate ( 1 ), together with a known alkaloid butyl 1H-imidazole-4-carboxylate ( 2 ) was obtained from the fermentation products of this strain, the structures of compounds 1 and 2 were determined by their detailed analysis of 1 D, 2 D NMR and HR-ESI-MS data, along with literature data analysis. Compounds 1 and 2 were evaluated for their antimicrobial activity with MIC (minimum inhibitory concentration) values ranging from 8 to 256 μg · mL-1 against Helicobacter pylori, Klebsiella Pneumonia, Staphylococcus aureus and Enterococcus faecalis.
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