Genomic analysis and phytoprobiotic characteristics of Acinetobacter pittii P09: A p-hydroxybenzoic acid-degrading plant-growth promoting rhizobacteria

IF 6.7 2区环境科学与生态学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Environmental Technology & Innovation Pub Date : 2025-02-27 DOI:10.1016/j.eti.2025.104113

Xijian Liu , Li Sun , Shuaibing Wang , Zitian Pu , Runze Cao , Shuaishuai Wu , Zhihong Xie , Dandan Wang

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引用次数: 0

Abstract

p-hydroxybenzoic acid (PHBA), as a representative allelochemical, accumulates in soil and poses significant risks to the growth and development of crops, and this study aims to solve the challenge of PHBA autotoxicity through microbial bioremediation. A novel strain Acinetobacter pittii P09 was isolated from the rhizosphere of peanut, exhibiting highly efficient bioremediation and plant growth-promoting functions. Through whole-genome sequencing (3843,723 bp chromosome, 38.88 % GC content) analysis, the key genomic determinants enabling PHBA degradation and plant-beneficial traits including IAA, phosphate solubilization, and biofilm formation were identified. In addition, the application of strain P09 not only significantly enhanced peanut germination and plant growth, but also augmented the activities of antioxidant enzymes under PHBA stress. Overall, these findings demonstrate that Acinetobacter pittii P09 is a multifunctional plant growth-promoting rhizobacteria capable of alleviating autotoxicity stress and facilitating organic agriculture applications.

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来源期刊

Environmental Technology & Innovation Environmental Science-General Environmental Science

CiteScore

14.00

自引率

4.20%

发文量

435

审稿时长

74 days

期刊介绍： Environmental Technology & Innovation adopts a challenge-oriented approach to solutions by integrating natural sciences to promote a sustainable future. The journal aims to foster the creation and development of innovative products, technologies, and ideas that enhance the environment, with impacts across soil, air, water, and food in rural and urban areas. As a platform for disseminating scientific evidence for environmental protection and sustainable development, the journal emphasizes fundamental science, methodologies, tools, techniques, and policy considerations. It emphasizes the importance of science and technology in environmental benefits, including smarter, cleaner technologies for environmental protection, more efficient resource processing methods, and the evidence supporting their effectiveness.