首页> 外文期刊>Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry >Tracer studies on dinoflagellate luciferin with [~(15)N]-glycine and [~(15)N]-L-glutamic acid in the dinoflagellate pyrocystis lunula
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Tracer studies on dinoflagellate luciferin with [~(15)N]-glycine and [~(15)N]-L-glutamic acid in the dinoflagellate pyrocystis lunula

机译:示踪研究鞭毛鞭毛藻中[〜(15)N]-甘氨酸和[〜(15)N] -L-谷氨酸的鞭毛鞭毛萤光素。

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摘要

The bioluminescence of dinoflagellate is a typical luciferin-luciferase reaction. To clarify the biosynthesis of dinoflagellate luciferin, we performed a feeding experiment with [~(15)N]-glycine and [~(15)N]-L-glutamic acid in the dinoflagellate Pyrocystis lunula.In a control experiment, we also examined whether or not chlorophyll a was incorporated with these labeled compounds. We detected by mass spectrometry the incorporation of [~(15)]-glucine and [~(15)N)-L-glutamic acid into the four tetrapyrrole rings of the luciferin. In the control experiment, chlorophyll a was also incorporated with [~(15)N]-glycine and [~(15)N]-L-glutamic acid.Our results show that either glycine or glutamic acid could be the original component of dinoflagellate luciferin as well as chlorophyll a in the dinoflagellate P. lunula.
机译:鞭毛鞭毛藻的生物发光是典型的荧光素-荧光素酶反应。为了阐明二鞭毛藻萤光素的生物合成,我们在双鞭毛藻囊藻中用[〜(15)N]-甘氨酸和[〜(15)N] -L-谷氨酸进行了喂养实验。在对照实验中,我们还检查了叶绿素a是否与这些标记化合物结合在一起。我们通过质谱检测到[〜(15)]-葡萄糖和[〜(15)N)-L-谷氨酸掺入荧光素的四个四吡咯环中。在对照实验中,叶绿素a还与[〜(15)N]-甘氨酸和[〜(15)N] -L-谷氨酸一起掺入。我们的结果表明,甘氨酸或谷氨酸可能是鞭毛藻的原始成分。萤光藻和绿鞭毛藻中的叶绿素a。

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