V2EX lectin

Lectin

释义 Definition

凝集素;凝集蛋白(lectin):一类能特异性结合糖类(碳水化合物)的蛋白质,常见于植物(如豆类、谷物)、某些动物与微生物中。部分凝集素在生食或未充分加热的食物中可能引起不适;加热通常可降低其活性。(该词在不同学科语境下也可有更细分的用法。)

发音 Pronunciation

/lktn/

例句 Examples

Lectins are found in beans and whole grains.
凝集素存在于豆类和全谷物中。

Some studies examine how lectins bind to cell-surface sugars and influence immune responses.
一些研究探讨凝集素如何与细胞表面糖类结合,并影响免疫反应。

词源 Etymology

lectin一词由拉丁语词根 **leg-/lect-**(“选择、挑选”之意,见于 select, collect 等)引申而来,强调这类蛋白质对特定糖结构具有“选择性结合”的特征;后缀 -in 常用于表示“某种物质/蛋白质”。

相关词 Related Words

文学作品用例 Literary Works

  • 《Campbell Biology》(《坎贝尔生物学》)(教材):常在细胞识别、细胞表面糖链与蛋白质相互作用等章节中出现 lectin
  • 《Molecular Biology of the Cell》(《细胞分子生物学》)(教材):在糖生物学、细胞黏附与识别相关内容中使用 lectin
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