Inoculation with Phosphate-Solubilizing Fungi Diversifies the Bacterial Community in Rhizospheres of Maize and Soybean

WANG Guang-Hua; JIN Jian; XU Mei-Na; PAN Xiang-Wen; G.TANG

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Inoculation with Phosphate-Solubilizing Fungi Diversifies the Bacterial Community in Rhizospheres of Maize and Soybean

机译：增溶磷酸盐的真菌的接种使玉米和大豆的根际细菌群落多样化

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Application of phosphate-solubilizing microorganisms(PSMs)has been reported to increase P uptake and plant growth.However,no information is available regarding the ecological consequences of the inoculation with PSMs.The effect of inoculation with phosphate-solubilizing fungal(PSF)isolates Aspergillus niger P39 and Penicillium oxalicumreaction-denaturing gradient gel electrophoresis(PCR-DGGE).Compared with the control,the number of culturable microbes for soybean Was significantly greater with P39,whereas for maize,the same Was significantly greater with P66.In addition,a greater number of microbes were fouud in the rhizosphere of maize compared with soybean.The fingerprint of DGGE for 16S rDNA indicated that inoculation with PSF also increased bacterial communities,with the P66 treatment having higher numbers of DGGE bands and a higher Shannon-Weaver diversity index compared with P39;the composition of the microbial community was also more complex with the P66 treatment.Overall,complex interactions between plant species and exotic PSMs affected the structure of the bacterial community in the rhizosphere.but plant species were more important in determining the bacterial community structure than the introduction of exotic microorganisms.

机译：据报道，施用磷酸盐增溶性微生物（PSMs）可增加磷的吸收和植物生长。然而，关于接种PSMs的生态后果尚无任何信息。磷酸盐增溶性真菌（PSF）接种的效果可分离曲霉。尼日尔P39和草酸青霉变性梯度凝胶电泳（PCR-DGGE）。与对照相比，P39大豆的可培养微生物数量明显增多，而玉米，P66的可培养微生物数量明显增加。与大豆相比，玉米根际中的微生物数量更多。DGGE的16S rDNA指纹图谱表明，接种PSF也增加了细菌群落，P66处理具有更高的DGGE条带数量和更高的Shannon-Weaver多样性指数与P39相比;采用P66处理后，微生物群落的组成也更加复杂。植物物种与外来PSM之间的x相互作用影响了根际细菌群落的结构。但是，植物物种在确定细菌群落结构方面比引入外来微生物更为重要。

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《土壤圈（英文版）》 |2007年第2期|191-199|共9页
作者
WANG Guang-Hua; JIN Jian; XU Mei-Na; PAN Xiang-Wen; G.TANG;
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作者单位

Laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081 (China);

Laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081 (China);

Laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081 (China);

Laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081 (China);

Department of Agricultural Sciences, La Trobe University, Bundoora, Vic 3086 (Australia);

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类农业基础科学;
关键词
bacterial community; diversity; PCR-DGGE; phosphate-solubilizing fungus; rhizosphere;

机译：细菌群落;多样性;PCR-DGGE;增磷真菌;根际;

Inoculation with Phosphate-Solubilizing Fungi Diversifies the Bacterial Community in Rhizospheres of Maize and Soybean

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