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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Differences in Root Physiological and Proteomic Responses to Dibutyl Phthalate Exposure between Low- and High-DBP-Accumulation Cultivars of Brassica parachinensis
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Differences in Root Physiological and Proteomic Responses to Dibutyl Phthalate Exposure between Low- and High-DBP-Accumulation Cultivars of Brassica parachinensis

机译:对芸苔甘蓝型甘蓝醛植物中低DBP积累品种与邻苯二甲酸二丁酯暴露的根治生理和蛋白质响应的差异

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摘要

Di-n-butyl phthalate (DBP), as an endocrine-disrupting chemical that tends to be accumulated in crops, poses great risks to human health through the food chain. To identify the molecular mechanism underlying differences in their DBP accumulation, the root physiological and proteomic responses to DBP stress of two Brassica parachinensis cultivars, a high-DBP accumulator (Huaguan) and a low-DBP accumulator (Lvbao), were investigated. Root damage of greater severity and significantly greater (p 0.05) decreases in root protein content and root activity were detected in Lvbao than in Huaguan, suggesting that Lvbao had lower tolerance to DBP. In total, 52 DBP-responsive proteins were identified by two-dimensional electrophoresis and MALDI-TOF mass spectrometry. More proteins involved in basic metabolic processes, such as protein synthesis and energy metabolism, were downregulated in Lvbao, possibly explaining its lower tolerance and root damage. Several proteins involved in starch metabolism, cell-wall biosynthesis and modification, and stress response were activated in Huaguan, suggesting greater tolerance to DBP. Overall, differences in root proteome between the two cultivars might be responsible for the genotype-dependent DBP tolerance and accumulation in B. parachinensis.
机译:邻苯二甲酸二丁酯(DBP),作为趋于在作物中积累的内分泌破坏化学品,通过食物链对人体健康产生巨大风险。为了鉴定其DBP积累的分子机制,研究了两种芸苔属植物植物植物品种,高DBP蓄能器(Huaguan)和低DBP蓄能器(LVBAO)对DBP胁迫的根生理和蛋白质组响应。根系蛋白含量和明显较大(P <0.05)的根损伤,在LVBAO中检测到根蛋白含量和根部活性,表明LVBAO对DBP具有较低的耐受性。总共通过二维电泳和MALDI-TOF质谱法鉴定52dBP响应蛋白。涉及基本代谢过程的更多蛋白质,例如蛋白质合成和能量代谢,在LVBAO中下调,可能解释其较低的耐受性和根系损伤。在华川激活了几种参与淀粉代谢,细胞壁生物合成和改性的蛋白质,并对应力反应激活,表明对DBP的耐受性更大。总体而言,两种品种之间的根蛋白质组的差异可能对B.Garachinensis的基因型依赖性DBP耐受性和积累负责。

著录项

  • 来源
  • 作者单位

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Jinan Univ Coll Life Sci &

    Technol Guangdong Prov Res Ctr Environm Pollut Control &

    Guangzhou 510632 Guangdong Peoples R China;

    Univ Florida Inst Food &

    Agr Sci Indian River Res &

    Educ Ctr Ft Pierce FL 34945 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 营养卫生、食品卫生;农业科学;
  • 关键词

    Brassica parachinensis cultivar; dibutyl phthalate (DBP); accumulation variation; proteome analysis; molecular basic;

    机译:芸苔属植物蛋白质;邻苯二甲酸二丁酯(DBP);累积变化;蛋白质组分析;分子碱性;

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