Pseudomonas species isolated from tobacco seed promote root growth and reduce lead contents in Nicotiana tobacum K326.

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期刊论文

作者：

Li, Juan;Zheng, Bufan;Hu, Ruiwen;Liu, Yongjun;Jing, Yongfeng;...

通讯作者：

Chen, Wu;Zhou, Qingming

作者机构：

[Zhou, Qingming; Zheng, Bufan; Hu, Ruiwen; Chen, Wu; Chen, W; Zhou, QM; Xiao, Yunhua; Sun, Min; Li, Juan] Hunan Agr Univ, Coll Agron, Changsha 410128, Hunan, Peoples R China.

[Zhou, Qingming; Zheng, Bufan; Hu, Ruiwen; Chen, Wu; Chen, W; Zhou, QM; Xiao, Yunhua; Sun, Min; Li, Juan] Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.

[Zhou, Qingming; Zheng, Bufan; Hu, Ruiwen; Chen, Wu; Chen, W; Zhou, QM; Xiao, Yunhua; Sun, Min; Li, Juan] Hunan Agr Univ, Coll Plant Protect, Changsha 410128, Hunan, Peoples R China.

[Liu, Yongjun] Inst Hunan Prov Tobacco Sci Res, Changsha 410004, Hunan, Peoples R China.

[Jing, Yongfeng] China Tobacco Hunan Ind Co Ltd, Changsha 410019, Hunan, Peoples R China.

通讯机构：

[Chen, W; Zhou, QM] H

Hunan Agr Univ, Coll Agron, Changsha 410128, Hunan, Peoples R China.

Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.

Hunan Agr Univ, Coll Plant Protect, Changsha 410128, Hunan, Peoples R China.

语种：

英文

关键词：

captation du plomb;croissance racinaire;endophytes;lead uptake;root growth

期刊：

CANADIAN JOURNAL OF MICROBIOLOGY

ISSN：

0008-4166

年：

2019

卷：

期：

页码：

214-223

DOI：

10.1139/cjm-2018-0434

基金类别：

The study was supported by Hunan Tobacco Company Project (No. 17-20Aa07, 16-19Aa03, and 17-20Aa01), Hunan Provincial Natural Science Foundation of China (No.2017JJ3119), and Featured High-quality Tobacco Development Project (No. 201743000934110). The authors declarethat they have no conflicts of interest.

机构署名：

本校为第一且通讯机构

院系归属：

农学院

植物保护学院

生物科学技术学院

摘要：

Endophytic bacteria are generally helpful for plant growth and protection. We isolated from tobacco seeds three Pseudomonas strains (K03, Y04, and N05) that could produce siderophores, indole-3-acetic acid, and 1-aminocyclopropane-1-carboxylate deaminase, fix nitrogen, dissolve phosphorus and potassium, and tolerate heavy metals. In pot experiments, the three isolated strains significantly promoted root growth and increased the root enzyme activity in Nicotiana tobacum K326. Furthermore, bacterial inoculations increased the proportion of residual lead (Pb) by 8.36%-51.63% and decreased the tot...

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Pseudomonas species isolated from tobacco seed promote root growth and reduce lead contents in Nicotiana tobacum K326.

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