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Uptake of Micro-nutrients by Plants Through Microbial Channels: A Review

Richa Raghuwanshi*, Sandeep Kumar Gupta, Jay Kishor Prasad, Riddha Dey, Seema Devi, Surya Prakash Dube and Yashoda Nandan Tripathi

Department of Botany, Mahila Mahavidyalaya, Banaras Hindu University, Uttar Pradesh, India

Corresponding Author E-mail:richabhu@yahoo.co.in

DOI : http://dx.doi.org/10.12944/CARJ.13.2.1

Article Publishing History

Received: 10 May 2025
Accepted: 25 Jul 2025
Published Online: 18 Aug 2025

Review Details

Reviewed by: Dr. Debanjana Debnath
Second Review by: Dr. Ashwani Kumar Aggarwal
Final Approval by: Dr. Torit Baran Bagchi

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Abstract:

In natural ecosystems, most of the micronutrients are present in forms that are inaccessible to plants or bound in organic molecules. The assimilation of nutrients by plants is assisted by millions of soil microbes that possess the ability to depolymerize or mineralize nutrients into an available form to plants. A deficiency in micronutrients can disrupt the morphological and physiological growth of plants. Accessibility to both micro and macro nutrients by utilizing microorganisms has emerged as an excellent strategy in sustainable agriculture. Microbes found in the soil-root interface have the potential to solubilize the trace element. The abundant proliferation of Plant Growth-Promoting Microorganisms (PGPMs) in the rhizosphere is advantageous for plants, as these microorganisms are widely acknowledged for their growth-promoting activities. Nevertheless, there is still a considerable amount to discover regarding the physiology and mechanisms governing the absorption, translocation, and deposition of plant micronutrients facilitated by rhizobacteria.  Microbes enhance plant growth by altering hormonal signaling, inhibiting pathogens, or increasing nutrient bioavailability. Application of microbial inoculants to plants at an early stage of development enhances their performances even under stress conditions. PGPM has come up as a reliable alternative to replace the chemicals in agricultural sectors as an environment cleanup strategy. This review highlights the role of soil microbes and their mechanisms they adopt in plant nutrient mobilization and uptake.

Keywords:

Micronutrients; PGPR; Plant growth; Rhizosphere; Trace elements

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Raghuwanshi R, Gupta S. K, Prasad J. K, Dey R, Devi S, Dube S. P, Tripathi Y. N. Uptake of Micro-nutrients by Plants Through Microbial Channels: A Review. Curr Agri Res 2025; 13(2). doi : http://dx.doi.org/10.12944/CARJ.13.2.1

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Raghuwanshi R, Gupta S. K, Prasad J. K, Dey R, Devi S, Dube S. P, Tripathi Y. N. Uptake of Micro-nutrients by Plants Through Microbial Channels: A Review. Curr Agri Res 2025; 13(2). Available from: https://bit.ly/3I1MICk

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