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首页> 外文期刊>Brain research >Discovery of specific tryptophan hydroxylase in the brain of the beetle Harmonia axyridis.
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Discovery of specific tryptophan hydroxylase in the brain of the beetle Harmonia axyridis.

机译:在甲虫Harmonia axyridis脑中发现特定的色氨酸羟化酶。

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摘要

Rabbit anti-serotonin and mouse monoclonal anti-tryptophan hydroxylase antisera were applied on the brain sections of the beetle Harmonia axyridis, butterfly Childrena zenobia, moth Antheraea pernyi and ant Camponotus japonicus, using the Streptavidin-Peroxidase immunohistochemical method and Colophony-Paraffin embedded section technique. Results revealed that all the experimental insects showed notable serotonin-like immunoreactivity in the brain. However, only the brain sections of the beetle H. axyridis were strongly labeled by mouse monoclonal anti-tryptophan hydroxylase antiserum, with the distribution pattern matching that of serotonin. These results demonstrate that specific tryptophan hydroxylase may exist in the brain of the beetle and likely reflect the diversity of serotonin synthetic mechanisms as well as the evolution of aromatic amino acid hydroxylase genes.
机译:使用链霉亲和素-过氧化物酶免疫组织化学方法和树脂-石蜡包埋切片技术将兔抗5-羟色胺和小鼠单克隆抗色​​氨酸羟化酶抗血清应用于甲虫Harmonia axyridis,蝴蝶Childrena zenobia,蛾Antheraea pernyi和ant Camponotus japonicus的脑部。 。结果显示,所有实验昆虫在大脑中均显示出明显的血清素样免疫反应。但是,只有甲虫纤毛虫的大脑部分被小鼠单克隆抗色​​氨酸羟化酶抗血清强烈标记,其分布模式与血清素相匹配。这些结果表明,特定的色氨酸羟化酶可能存在于甲虫的大脑中,并可能反映了5-羟色胺合成机制的多样性以及芳香族氨基酸羟化酶基因的进化。

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