基于CiteSpace的植物促生菌强化植物修复重金属污染现状的知识图谱分析  

Knowledge graph analysis of CiteSpace based plant gr owth promoting bacteria assisted plant remediation of heavy metal pollution status

作　　者：薛加祥 马世杰 陈兆浩 孔召玉 XUE Jiaxiang;MA Shijie;CHEN Zhaohao;KONG Zhaoyu(School of Life Sciences,Nanchang University,Nanchang 330031,China)

机构地区：[1]南昌大学生命科学学院,江西南昌330031

出　　处：《南昌大学学报(理科版)》2025年第2期165-171,183,共8页Journal of Nanchang University(Natural Science)

基　　金：国家自然科学基金(32470114,42067010);江西省“双千计划”(2023201111);江西省主要学科学术和技术带头人培养计划——青年人才项目(20212BCJ23039)。

摘　　要：工业化和城市化导致的重金属污染已成为全球性环境问题。植物修复技术虽环境友好、经济可行,但全球气候变化导致的高温、干旱等胁迫条件显著影响其效果。植物促生菌(plant growth-promoting bacteria,PGPB)能够增强植物抗逆性,提高重金属富集效率,成为强化修复效能的关键技术。然而,该领域仍缺乏系统性的研究梳理。为此,本文基于Web of Science数据库2000年以来的相关文献,利用CiteSpace可视化软件分析PGPB强化植物修复重金属污染的研究现状与热点趋势。结果显示,该领域研究自2016年后进入快速发展阶段,以中国和印度等国家的研究贡献最为突出。研究涉及环境科学、微生物学、分子生物学和生态学等多学科交叉,聚焦于重金属(尤其是镉)的毒理效应及其修复效果评价、重金属胁迫下植物与微生物的分子响应与解毒机制、根际土壤细菌群落响应以及PGPB在植物根际的定殖模式等方面。PGPB的多重作用机制及其与本土微生物的互作机制正成为新兴研究焦点。本文不仅有助于深入理解PGPB强化植物修复的作用机理,更为该技术的实际应用提供科学参考。Heavy metal contamination resulting from industrialization and urbanization has emerged as a global environmental issue.Although phytoremediation is environmentally friendly and economically viable,stress conditions such as high temperatures and droughts induced by global climate change significantly impair its effectiveness.Plant growth-promoting bacteria(PGPB)can enhance plant stress resistance and improve heavy metal accumulation efficiency,making them a key technology for enhancing phytoremediation efficacy.However,there is still a lack of systematic research reviews in this field.To address this,this paper analyzed the research status and trending hotspots of PGPB-enhanced phytoremediation of heavy metal contamination based on relevant literature from the Web of Science database since 2000,utilizing CiteSpace visualization software.The results indicated that research in this field has entered a rapid development phase since 2016,with notable contributions from countries such as China and India.The research spans interdisciplinary fields including environmental science,microbiology,molecular biology,and ecology,focusing on the toxicological effects of heavy metals(especially cadmium)and the evaluation of their remediation effectiveness,the molecular responses and detoxification mechanisms of plants and microorganisms under heavy metal stress,the rhizospheric bacterial community response,and the colonization patterns of PGPB in the plant rhizosphere.The multiple action mechanisms of PGPB and their interaction mechanisms with indigenous microorganisms are emerging as focal points of research.This paper not only contributes to a deeper understanding of the mechanisms by which PGPB enhance phytoremediation but also provides scientific references for the practical application of this technology.

关 键 词：植物促生菌 文献计量分析 生物修复 重金属污染 镉 

分 类 号：Q93[生物学—微生物学]