Characterization of an anthraquinone fluor from the bioluminescent, pelagic polychaete Tomopteris.

Characterization of an anthraquinone fluor from the bioluminescent, pelagic polychaete Tomopteris.
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来自生物发光的肾上腺荧光的表征。

DOI:
10.1002/bio.2671
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发表时间:
2014-12
期刊:
影响因子:
2.9
通讯作者:
Haddock, Steven H. D.
Haddock, Steven H. D.
中科院分区:
化学4区
文献类型:
--
作者:
Francis, Warren R.;Powers, Meghan L.;Haddock, Steven H. D.

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Tomopteris是一种世界性的多毛类属。许多物种在受到刺激时会在附足中产生黄色发光。黄色生物发光在海洋中很少见,这种发光反应的成分尚未确定。半个世纪前,只有一段简短的描述指出,仿足纲中的荧光与生物发光的光谱非常相似,这表明它可能是荧光素或末端发光体。在这里,我们报告了在发光渗出物和动物体内发现的荧光黄橙色素的分离。液-质联用分析表明,芦荟大黄素的质量为270 m/z,分子式为C15H10O5,最终确定为芦荟大黄素,这是一种以前在植物中发现的大黄素。我们推测芦荟大黄素可能是共振能量转移的一个因素,或者木犀草素可能是红星天牛生物发光的一个因素。
Tomopteris is a cosmopolitan genus of polychaetes. Many species produce yellow luminescence in the parapodia when stimulated. Yellow bioluminescence is rare in the ocean, and the components of this luminescent reaction have not been identified. Only a brief description, half a century ago, noted fluorescence in the parapodia with a remarkably similar spectrum to the bioluminescence, which suggested that it may be the luciferin or terminal light-emitter. Here, we report the isolation of the fluorescent yellow–orange pigment found in the luminous exudate and in the body of the animals. Liquid chromatography-mass spectrometry revealed the mass to be 270 m/z with a molecular formula of C15H10O5, which ultimately was shown to be aloe-emodin, an anthraquinone previously found in plants. We speculate that aloe-emodin could be a factor for resonant-energy transfer or the oxyluciferin for Tomopteris bioluminescence.
DOI: 10.1007/s12272-012-1006-x
发表时间: 2012-10-01
影响因子: 6.7
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