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首页> 外文期刊>Protoplasma: An International Journal of Cell Biology >Cytokinin (6-benzylaminopurine) elevates lignification and the expression of genes involved in lignin biosynthesis of carrot
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Cytokinin (6-benzylaminopurine) elevates lignification and the expression of genes involved in lignin biosynthesis of carrot

机译：细胞分裂素（6-苄基氨基嘌呤）升高了患有胡萝卜生物合成的基因的瘫痪和表达

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摘要

Carrot is a root crop consumed worldwide and has great nutritional qualities. It is considered as one of the ten most important vegetable crops. Cytokinins are an essential class of the plant hormones that regulate many processes of plant growth. Till now, the effects of cytokinin, BAP, on lignin biosynthesis and related gene expression profiles in carrot taproot is unclear. In order to investigate the effect of applied BAP on lignin-related gene expression profiles, lignin accumulation, anatomical structures, and morphological characters in carrot taproots. Carrot roots were treated with different concentrations of BAP (0, 10, 20, and 30 mg L-1). The results showed that the application of BAP significantly increased plant length, shoot fresh weight, root fresh weight, and taproot diameter. In addition, BAP at 20 mg L(-1)or 30 mg L(-1)enhanced the average number of petioles. BAP treatment led to increased number and width of xylem vessels. The parenchyma cell numbers of pith were significantly induced in taproots treated with the BAP at a concentration of 30 mg L-1. BAP significantly upregulated most of the expression levels of lignin biosynthesis genes, caused elevated lignin accumulation in carrot taproots. Our results indicate that BAP may play important roles in growth development and lignification in carrot taproots. Our results provide a valuable database for more studies, which may focus on the regulation of root lignification via controlling cytokinin levels in carrot taproots.
机译：胡萝卜是全世界消费的根作作物，具有良好的营养品质。它被认为是十大最重要的蔬菜作物之一。细胞分裂素是调节许多植物生长过程的植物激素的基本类别。到目前为止，CoTokinin，BAP，对胡萝卜制噻虫的生物合成和相关基因表达谱的影响尚不清楚。为了探讨施用的施用对卡罗特突根菌的木质素相关基因表达谱，木质素累积，解剖结构和形态特征的影响。用不同浓度的烘烤（0,10,20和30mg L-1）处理胡萝卜根。结果表明，植物长度显着增加了植物长度，射击鲜重，根部鲜重，摘略直径。另外，20mg L（-1）或30mg L（-1）的烤盘增强了平均叶片数。 BAP处理导致木质血管的数量和宽度增加。髓质的薄脑细胞数被显着诱导在浓度为30mg -1的浓度处理的胶带中诱导。 BAP显着上调了木质素生物合成基因的大部分表达水平，导致胡萝卜染色体中的木质素积累升高。我们的结果表明，BAP可能在胡萝卜托管中的增长开发和讽刺中发挥重要作用。我们的结果为更多研究提供了有价值的数据库，可以通过控制胡萝卜托管中的细胞素水平来专注于根瘫的调节。

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    Khadr Ahmed; Wang Ya-Hui; Zhang Rong-Rong; Wang Xin-Rui; Xu Zhi-Sheng; Xiong Ai-Sheng;

  • 作者单位

    Nanjing Agr Univ State Key Lab Crop Genet &

    Germplasm Enhancement Key Lab Biol &

    Germplasm Enhancement Hort Crops E Coll Hort Minist Agr &

    Rural Affairs 1 Weigang Nanjing 210095 Jiangsu Peoples R China;

    Nanjing Agr Univ State Key Lab Crop Genet &

    Germplasm Enhancement Key Lab Biol &

    Germplasm Enhancement Hort Crops E Coll Hort Minist Agr &

    Rural Affairs 1 Weigang Nanjing 210095 Jiangsu Peoples R China;

    Nanjing Agr Univ State Key Lab Crop Genet &

    Germplasm Enhancement Key Lab Biol &

    Germplasm Enhancement Hort Crops E Coll Hort Minist Agr &

    Rural Affairs 1 Weigang Nanjing 210095 Jiangsu Peoples R China;

    Nanjing Agr Univ State Key Lab Crop Genet &

    Germplasm Enhancement Key Lab Biol &

    Germplasm Enhancement Hort Crops E Coll Hort Minist Agr &

    Rural Affairs 1 Weigang Nanjing 210095 Jiangsu Peoples R China;

    Nanjing Agr Univ State Key Lab Crop Genet &

    Germplasm Enhancement Key Lab Biol &

    Germplasm Enhancement Hort Crops E Coll Hort Minist Agr &

    Rural Affairs 1 Weigang Nanjing 210095 Jiangsu Peoples R China;

    Nanjing Agr Univ State Key Lab Crop Genet &

    Germplasm Enhancement Key Lab Biol &

    Germplasm Enhancement Hort Crops E Coll Hort Minist Agr &

    Rural Affairs 1 Weigang Nanjing 210095 Jiangsu Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 细胞形态学;
  • 关键词

    Cytokinin; 6-benzylaminopurine; Lignification; Biosynthesis; Growth; Daucus carotaL;

    机译：cytokinin;6-苄基氨基嘌呤;木质化;生物合成;生长;Daucus Carotal;

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