通过植物生长促进根瘤菌(PGPR)联盟加强重金属的植物修复:叙述性综述。

IF 3.5 4区 生物学 Q2 MICROBIOLOGY Journal of Basic Microbiology Pub Date : 2024-10-27 DOI:10.1002/jobm.202400529
Merugu Chandra Surya Rao, Vadlamudi Dinesh Rahul, Pandu Uppar, Marpu Lakshmi Madhuri, Barsha Tripathy, Ryali Devi Veda Vyas, Dokka Venkata Swami, Sirivuru Srinivasa Raju
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引用次数: 0

摘要

随着全球工业化、城市化和现代化的不断发展,重金属污染已成为一个令人严重关切的问题。重金属污染物会阻碍植物的生长和新陈代谢。重金属在植物体内的生物累积可能会造成叶绿素拮抗、氧化应激、植物生长发育不良和光合作用系统减弱。找到切实可行的解决方案,保护环境和植物免受重金属的毒害,对于长期可持续发展至关重要。直接利用合适的活体植物消除和降解生态系统中的金属污染物被称为植物修复。植物修复是去除有毒重金属的一种新颖而有前景的方法。植物生长促进根瘤菌(PGPR)可以在植物根部定殖,帮助促进植物生长。植物生物量产量、对金属毒性的抗性以及重金属在土壤中的溶解度等众多变量都会影响植物修复的速度。使用 PGPR 联合体进行植物修复可以加快这一过程,提高重金属解毒率。PGPR 联合体能显著增加各种营养物质和重金属的生物累积。本综述揭示了植物吸收和固存有毒重金属以改善土壤解毒的机制。本综述有助于了解在重金属压力环境中植物与微生物相互作用的生态生理机制。
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Enhancing the Phytoremediation of Heavy Metals by Plant Growth Promoting Rhizobacteria (PGPR) Consortium: A Narrative Review.

Heavy metal pollution has become a significant concern as the world continues to industrialize, urbanize, and modernize. Heavy metal pollutants impede the growth and metabolism of plants. The bioaccumulation of heavy metals in plants may create chlorophyll antagonism, oxidative stress, underdeveloped plant growth, and reduced photosynthetic system. Finding practical solutions to protect the environment and plants from the toxic effects of heavy metals is essential for long-term sustainable development. The direct use of suitable living plants for eliminating and degrading metal pollutants from ecosystems is known as phytoremediation. Phytoremediation is a novel and promising way to remove toxic heavy metals. Plant growth-promoting rhizobacteria (PGPR) can colonize plant roots and help promote their growth. Numerous variables, such as plant biomass yield, resistance to metal toxicity, and heavy metal solubility in the soil, affect the rate of phytoremediation. Phytoremediation using the PGPR consortium can speed up the process and increase the rate of heavy metal detoxification. The PGPR consortium has significantly increased the biological accumulation of various nutrients and heavy metals. This review sheds light on the mechanisms that allow plants to uptake and sequester toxic heavy metals to improve soil detoxification. The present review aids the understanding of eco-physiological mechanisms that drive plant-microbe interactions in the heavy metal-stressed environment.

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来源期刊
Journal of Basic Microbiology
Journal of Basic Microbiology 生物-微生物学
CiteScore
6.10
自引率
0.00%
发文量
134
审稿时长
1.8 months
期刊介绍: The Journal of Basic Microbiology (JBM) publishes primary research papers on both procaryotic and eucaryotic microorganisms, including bacteria, archaea, fungi, algae, protozoans, phages, viruses, viroids and prions. Papers published deal with: microbial interactions (pathogenic, mutualistic, environmental), ecology, physiology, genetics and cell biology/development, new methodologies, i.e., new imaging technologies (e.g. video-fluorescence microscopy, modern TEM applications) novel molecular biology methods (e.g. PCR-based gene targeting or cassettes for cloning of GFP constructs).
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