植物生长促进真菌通过重新组合根瘤菌微生物群和招募益生菌类群提高烟草产量和化学成分。

IF 6.2 2区 环境科学与生态学 Q1 GENETICS & HEREDITY Environmental Microbiome Pub Date : 2024-11-01 DOI:10.1186/s40793-024-00629-7
Mingzi Shi, Shanghua Hao, Yuhe Wang, Sen Zhang, Guangzhou Cui, Bin Zhang, Wang Zhou, Hongge Chen, Mingdao Wang
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引用次数: 0

摘要

背景:由于土壤退化导致产量持续下降,烟草生产面临着持续的挑战。植物生长促进真菌(PGPF)被认为是一种环境友好型农业策略。然而,由于环境兼容性不足,许多商用 PGPF 产品表现出不稳定性:本研究分离了青霉 PQxj3,并评估了其在田间条件下提高烟草产量的潜力。结果表明,PQxj3 青霉菌处理能显著促进烟草生长,提高作物产量。与 CK 相比,PQxj3 青霉菌处理组烟草在旺长期和成熟期的高度分别显著增加了 50.19% 和 24.05% (P 结论):综上所述,本研究将化学性状、根瘤真菌微生物组和转录组分析联系起来,评估了 PGPF 青霉 PQxj3 的生物促进机制。研究结果为开发真菌肥料以提高农业可持续性提供了基本依据和可持续的解决方案。
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Plant growth-promoting fungi improve tobacco yield and chemical components by reassembling rhizosphere fungal microbiome and recruiting probiotic taxa.

Background: Tobacco production faces ongoing challenges due to soil degradation, leading to a persistent decline in yield. Plant growth-promoting fungi (PGPF) have been recognized as an environmentally friendly agricultural strategy. However, many commercial PGPF products exhibit instability due to insufficient environmental compatibility.

Results: In this study, Penicillium sp. PQxj3 was isolated and assessed for its potential to enhance tobacco productivity under field conditions. The results demonstrated that Penicillium sp. PQxj3 treatment significantly promoted the tobacco growth and improved the crop yield. The height of tobacco in Penicillium sp. PQxj3 treatment group significantly increased by 50.19% and 24.05% compared with CK at exuberant and maturity period (P < 0.05). The average yield of tobacco significantly increased by 36.16% compared to CK (P < 0.05). Fungal microbiome analysis revealed that phylogenetically similar probiotic taxa were recruited by Penicillium sp. PQxj3 and reassembled tobacco rhizosphere fungal microbiome. The key chemical indicators of tobacco such as alkaloid, total sugar, and phosphorus were significantly enhanced in Penicillium sp. PQxj3 treatment. The recruited probiotic taxa (Penicillium brasilianum, Penicillium simplicissimum, Penicillium macrosclerotiorum and Penicillium senticosum) were significantly associated with alkaloid, total sugar etc. (P < 0.05), which were identified as the key drivers for improving the chemical components of tobacco. Transcriptome analysis indicated that Penicillium sp. PQxj3 promoted up-regulation of key functional genes involved in alkaloid, indoleacetic, and gibberellin biosynthesis pathways.

Conclusion: In summary, this study assessed the biopromotion mechanism of PGPF Penicillium sp. PQxj3 linking chemical traits, rhizosphere fungal microbiome, and transcriptome profiling. The findings provide a fundamental basis and a sustainable solution for developing fungal fertilizers to enhance agricultural sustainability.

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来源期刊
Environmental Microbiome
Environmental Microbiome Immunology and Microbiology-Microbiology
CiteScore
7.40
自引率
2.50%
发文量
55
审稿时长
13 weeks
期刊介绍: Microorganisms, omnipresent across Earth's diverse environments, play a crucial role in adapting to external changes, influencing Earth's systems and cycles, and contributing significantly to agricultural practices. Through applied microbiology, they offer solutions to various everyday needs. Environmental Microbiome recognizes the universal presence and significance of microorganisms, inviting submissions that explore the diverse facets of environmental and applied microbiological research.
期刊最新文献
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