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15 results on '"Wang, Jiangchuan"'

3. Isolation and characterization of phosphate-solubilizing bacteria from rhizosphere of poplar on road verge and their antagonistic potential against various phytopathogens

Author

Zeng Qingwei, Tang Lushi, Zhang Yu, Shao Yu, Wu Wanting, Wang Jiangchuan, Ding Xiaolei, Han Xuejiao, and Muhammad Bilal

Subjects
PS activity, Antagonistic activity, Biofertilizer, Biocontrol, Poplar, Microbiology, QR1-502
Abstract

Abstract Background Phosphate-solubilizing bacteria (PSB) can solubilize insoluble phosphate compounds and improve phosphate availability in soil. Road verges are important in urban landscaping, but the population structure of PSB and their ecological functions in the road verge soil is still unclear. Results Twenty-one mineral PSB strains and 14 organic PSB strains were isolated from the rhizosphere of poplar on urban road verge. All the mineral PSB strains showed better solubilization to Ca3(PO4)2 than FePO4 or AlPO4. Among them, 7 strains showed high phosphate-solubilizing (PS) activities to Ca3(PO4)2 (150–453 mg/L). All the organic PSB strains displayed weak solubilization to lecithin. 16S rRNA gene-based phylogenetic analysis showed good species diversity of the PSB strains, which belongs to 12 genera: Bacillus, Cedecea, Cellulosimicrobium, Delftia, Ensifer, Paenibacillus, Pantoea, Phyllobacterium, Pseudomonas, Rhizobium, Sinorhizobium and Staphylococcus. Moreover, 8 PSB strains showed various degrees of growth inhibition against 4 plant pathogenic fungi, Fusarium oxysporum S1, F. oxysporum S2, Pythium deliense Meurs Z4, Phomopsis sp. AC1 and a plant pathogenic bacterium, Pectobacterium carotovorum TP1. Conclusions The results indicated that these PSB strains could perform multiple ecological functions on road verge. The development and application of bio-agents based on the strains would provide a new strategy for maintaining and improving the ecosystem stability of road verges.

Published
2023
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13. MoS2-on-GaN Plasmonic Photodetector Using a Bowtie Striped Antenna Structure

Author

Liu, Xinke, primary, Lin, Yuheng, additional, Lin, Zhichen, additional, Wang, Jiangchuan, additional, Zhang, Ziyue, additional, Li, Yugeng, additional, Li, Xiaohua, additional, Zhu, Deliang, additional, Ang, Kah-Wee, additional, Fang, Ming, additional, Xu, Wangying, additional, Wang, Qi, additional, Yu, Wenjie, additional, Liu, Qiang, additional, and Huang, Shuangwu, additional

Published
2022
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14. Isolation and characterization of phosphate-solubilizing bacteria from rhizosphere of poplar in road verge and their antagonistic potential against various phytopathogens

Author

Qingwei Zeng, Tang Lushi, Zhang Yu, Shao Yu, Wu Wanting, Wang Jiangchuan, Ding Xiaolei, Han Xuejiao, and Muhammad Bilal

Abstract

Background Phosphate-solubilizing bacteria can solubilize insoluble phosphate compounds and improve phosphate availability in soil. Road verges are important parts of urban landscaping, but the pupulation structure of phosphate-solubilizing bacteria and their ecological functions in the road verge soil is still unclear. Results We isolated and identified the phosphate-solubilizing bacteria from the rhizosphere of poplar in urban road verge to figure out the phosphate-solubilizing bacteria community and their functions in urban road verge soil. Their phosphate-solubilizing and antagonistic activities were evaluated. Twenty-one mineral phosphate-solubilizing bacteria and 14 organic phosphate-solubilizing bacteria were screened from the soil samples. All the mineral phosphate-solubilizing bacteria showed better solubilization to Ca3(PO4)2than FePO4or AlPO4. Among them, 7 strains showed high phosphate-solubilizing activities to Ca3(PO4)2(150–453 mg/L). All the organic phosphate-solubilizing bacteria displayed weak solubilization to lecithin. 16S rRNA gene-based phylogenetic analysis showed good species diversity of the phosphate-solubilizing bacteria, which belongs to 12 genera:Bacillus,Cedecea,Cellulosimicrobium,Delftia,Ensifer,Paenibacillus,Pantoea,Phyllobacterium,Pseudomonas,Rhizobium,SinorhizobiumandStaphylococcus. Moreover, 8 strains showed various degrees of growth inhibition against the phytopathogens:Fusarium oxysporumS1,F. oxysporumS2、Pythium delienseMeurs Z4,Phomopsissp. AC1 andPectobacterium carotovorumTP1. The strainB. siamensisMp4-Ha30 presented growth inhibition to all the five phytopathogens (FGI > 60%). Conclusions The results indicated that these PSB strains could perform multiple functions in maintaining ecosystems stability in road verge and provided potential microbial resources for the further research on biofertilizers and biocontrol agents.

Published
2023

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