Reference - Detail
RRC ID | 58450 |
---|---|
Author | Umetsu S, Kanda M, Imai I, Sakai R, Fujita MJ. |
Title | Questiomycins, Algicidal Compounds Produced by the Marine Bacterium Alteromonas sp. D and Their Production Cue. |
Journal | Molecules |
Abstract |
Questiomycin A (1) along with three new compounds, questiomycins C-E (2-4), were isolated from culture of Alteromonas sp. D, an algicidal marine bacterium, guided by algal lethality assay using the raphidophyte, Chattonella antiqua, one of the causative organisms of harmful algal bloom. The structures of 1-4 were assigned on the basis of their spectrometric and spectroscopic data. Compounds 1 to 4 exhibited algicidal activity against C. antiqua with LC50 values ranging from 0.18 to 6.37 M. Co-cultivation experiment revealed that 1 was produced only when the microalgae and the bacterium are in close contact, suggesting that some interactions between them trigger the biosynthesis of questiomycins. These results suggested that the algicidal bacteria such as Alteromonas sp. D can control microalgae chemically in marine ecosystem. |
Volume | 24(24) |
Published | 2019-12-10 |
DOI | 10.3390/molecules24244522 |
PII | molecules24244522 |
PMID | 31835604 |
PMC | PMC6943571 |
MeSH | Alteromonas / metabolism* Anti-Bacterial Agents / biosynthesis* Anti-Bacterial Agents / chemistry Anti-Bacterial Agents / isolation & purification Aquatic Organisms / metabolism* Chromatography, Liquid Cues Harmful Algal Bloom Magnetic Resonance Spectroscopy Mass Spectrometry Microbial Sensitivity Tests Molecular Structure Oxazines / chemistry Oxazines / isolation & purification Oxazines / metabolism* |
IF | 3.267 |
Times Cited | 0 |
Resource | |
Algae | NIES-1 |