Sertan-de Guzman, A.A., Predicala, R.Z.., Bernardo, E..B., Neilan, B.A., Elardo, S.P., Mangalindan, G.C., Tasdemir, D., Ireland, C.M., Barraquio, W.L. and Concepcion, G.P. (2007) Pseudovibrio denitrificansstrain Z143-1, a heptylprodigiosin-producing bacterium isolated from a Philippine tunicate. FEMS Microbiology Letters, 277 (2). pp. 188-196. 10.1111/j.1574-6968.2007.00950.x.
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Microbial isolate Z143-1 found to be associated with an unidentified tunicate was characterized due to its significant antimicrobial activity. Z143-1 is similar to Pseudovibrio ascidiaceicola and Pseudovibrio denitrificans in morphological, physiological and biochemical characteristics, except for its ability to ferment glucose and produce a characteristic red pigment. Fatty acid methyl ester analysis revealed a predominance of the fatty acid 18:1 ω7c at 80.55%, at levels slightly lower than the Pseudovibrio denitrificans type strain DN34T (87.7%). The mol% G+C of Z143-1 is 54.02, relatively higher than the Pseudovibrio denitrificans type strain DN34T and Pseudovibrio ascidiaceicola with mol% G+C of 51.7 and 51.4, respectively. However, phylogenetic analysis of the 16S rRNA gene sequence of Z143-1 showed 100% similarity with the Pseudovibrio denitrificans type strain DN34 T. In this study, the bacterium Z143-1 is reported as a new strain of Pseudovibrio denitrificans. While there is no report of a secondary metabolite for Pseudovibrio denitrificans, Z143-1 produces the red pigment heptylprodigiosin, also known as 16-methyl-15-heptyl-prodiginine, which shows anti-Staphylococcus aureus activity.
|Uncontrolled Keywords:||16-methyl-15-heptyl- prodiginine; Heptylprodigiosin; Pseudovibrio denitrificans|
|Departments, units and centres:||Department of Pharmaceutical and Biological Chemistry > Department of Pharmaceutical and Biological Chemistry|
|Journal or Publication Title:||FEMS Microbiology Letters|
|Deposited By:||Library Staff|
|Deposited On:||09 Mar 2012 17:37|
|Last Modified:||09 Mar 2012 17:37|
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