V2EX peroxisome

Peroxisome

释义 Definition

过氧化物酶体:真核细胞中的一种膜性细胞器,主要负责脂肪酸的分解(尤其是超长链脂肪酸的β-氧化)、过氧化氢(HO)的生成与分解(借助过氧化氢酶等),并参与细胞解毒与某些脂质合成过程。(在不同学科语境中还有更细分的功能描述。)

发音 Pronunciation (IPA)

/prkssom/

例句 Examples

Peroxisomes help break down fatty acids in cells.
过氧化物酶体帮助在细胞内分解脂肪酸。

Defects in peroxisome function can lead to severe metabolic disorders affecting the brain and liver.
过氧化物酶体功能缺陷可能导致严重的代谢紊乱,并影响大脑和肝脏。

词源 Etymology

peroxisome 来自 peroxid- / peroxide(过氧化物) 与表示“体、结构”的后缀 -some(常见于细胞结构名词,如 chromosome)。其命名与该细胞器中涉及过氧化氢与氧化反应的酶类活动密切相关。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等)
  • Lehninger Principles of Biochemistry(Nelson & Cox)
  • Campbell Biology(Urry 等)
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