Cytotoxic Prodigiosin Family Pigments from Pseudoalteromonas sp. 1020R Isolated from the Pacific Coast of Japan

Yi WANGDepartment of Environmental Systems Engineering, Kochi University of Technology

Aya NAKAJIMADepartment of Environmental Systems Engineering, Kochi University of Technology

Kakushi HOSOKAWADepartment of Environmental Systems Engineering, Kochi University of Technology

Azamjon B. SOLIEVDepartment of Environmental Systems Engineering, Kochi University of Technology

Issey OSAKADepartment of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University

Ryuichi ARAKAWADepartment of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University

Keiichi ENOMOTODepartment of Environmental Systems Engineering, Kochi University of Technology

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Abstract

Pseudoalteromonas sp. 1020R, isolated from the Pacific coast of Japan, produces prodigiosin family pigments. Structural analysis indicated that these are prodigiosin (2-methyl-3-pentyl-prodiginine) and three other prodigiosin congeners which differ only in the lengths of the alkyl side chains. These compounds exhibited different extents of cytotoxicity against U937 leukemia cells, and cell death was accompanied by typical features of apoptosis.

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Cytotoxic Prodigiosin Family Pigments from Pseudoalteromonas sp. 1020R Isolated from the Pacific Coast of Japan

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Cytotoxic Prodigiosin Family Pigments from Pseudoalteromonas sp. 1020R Isolated from the Pacific Coast of Japan

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