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首页> 外文期刊>Journal of Hazardous Materials >Role of metal resistant plant growth promoting bacteria in ameliorating fly ash to the growth of Brassica juncea
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Role of metal resistant plant growth promoting bacteria in ameliorating fly ash to the growth of Brassica juncea

机译：抗金属植物生长促进细菌在改善粉煤灰对芥菜生长中的作用

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摘要

In this study, we have shown that the plant growth promoting bacterial strain NBRI K24 and strain NBRI K3 from fly ash (FA) contaminated soil reduce the toxicity of Ni and Cr in Brassicajuncea (Indian mustard) and promote plant growth under pot culture experiments. Isolated strains NBRI K24 and NBRI K3 were characterized based on the 16S rDNA sequencing and identified as Enterobacter aerogenes and Rahnella aquatilis respectively. Both the strains were siderophore producing and found capable of stimulating plant biomass and enhance phytoextraction of metals (Ni and Cr) from FA by metal accumulating plant i.e. B. juncea. Concurrent production of siderophores, 1 -aminocyclopropane-1 -carboxylicacid(ACC)deaminase, indole acetic acid (IAA) and phosphate solubilization revealed their plant growth promotion potential.
机译：在这项研究中，我们显示了来自受粉煤灰（FA）污染的土壤的植物生长促进细菌菌株NBRI K24和菌株NBRI K3降低了芸苔（印度芥菜）中Ni和Cr的毒性并在盆栽培养实验下促进了植物生长。分离的菌株NBRI K24和NBRI K3基于16S rDNA测序进行了表征，分别鉴定为产气肠杆菌和水生拉氏菌。两种菌株均产生铁载体，并被发现能够刺激植物生物量并通过金属积累植物，即芥菜芽孢杆菌增强FA中金属（Ni和Cr）的植物提取。铁载体，1-氨基环丙烷-1-羧酸（ACC）脱氨酶，吲哚乙酸（IAA）和磷酸盐增溶的同时生产表明它们具有促进植物生长的潜力。

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  • 来源
    《Journal of Hazardous Materials》 |2009年第1期|51-57|共7页
  • 作者

    Kalpna V. Kumar; Shubhi Srivastava; N. Singh; H.M. Behl;

  • 作者单位

    Biomass Biology&Environmental Division, National Botanical Research Institute, Rana Pratap Marg, Lucknow, UP., India;

    Biomass Biology&Environmental Division, National Botanical Research Institute, Rana Pratap Marg, Lucknow, UP., India;

    Biomass Biology&Environmental Division, National Botanical Research Institute, Rana Pratap Marg, Lucknow, UP., India;

    Biomass Biology&Environmental Division, National Botanical Research Institute, Rana Pratap Marg, Lucknow, UP., India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    metal tolerant bacteria; siderophore; brassica juncea;

    机译：金属耐受细菌;铁载体芥菜;

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