Growth promoting effect of a transgenic Bacillus mucilaginosus on tobacco planting

文献类型： 外文期刊

第一作者： Li, Xin

作者： Li, Xin;Wu, Zhiqiang;Li, Weidong;Yan, Ruixiang;Li, Li;Li, Jun;Li, Yihang;Li, Minggang

作者机构：

关键词： phytase;Bacillus mucilaginosus;phosphorus absorbing;plant rhizosphere;LEGUMINOSARUM BIOVAR PHASEOLI;PHYTASE;MAIZE;SECRETION;LETTUCE;ROOTS

期刊名称：APPLIED MICROBIOLOGY AND BIOTECHNOLOGY （ 影响因子：4.813； 五年影响因子：4.697 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： In this study, we have investigated the plant growth promoting effect of Bacillus mucilaginosus strain D4B1, a rhizosphere soil organism, and its transgenic strain NKTS-3 on tobacco planting. The transgenic strain contains a phytase expression cassette that can express high active phytase extracellularly and hydrolyze phytate in the soil to liberate inorganic phosphorus for the growth of tobacco plants. Greenhouse study and field experiments showed that both wild-type B. mucilaginosus and the transgenic strain could promote tobacco plant growth. Moreover, the transgenic strain promoted tobacco plant growth (235% more than control in pot experiments and 125% more than control in field experiments) was higher than the wild-type B. mucilaginosus (183% more than control in pot experiments and 108% more than control in field experiments). In addition, the inoculation with transgenic rhizobacteria could significantly improve root acquisition of phosphorus and increase the phosphorus content of the plant.

分类号： Q93

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