Journal of Plant Biotechnology and Microbiology

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Mini Review - Journal of Plant Biotechnology and Microbiology (2023) Volume 6, Issue 4

Symbiotic signals: Communication between plants and beneficial microbes

Ding Hu *

Department of Soil and Crop Sciences, Texas A&M University, USA

*Corresponding Author:
Ding Hu
Department of Soil and Crop Sciences
Texas A&M University

Received: 05-July-2023, Manuscript No. AAPBM-23-109504; Editor assigned: 06-July-2023, PreQC No.AAPBM-23-109504(PQ); Reviewed: 21-July-2023, QC No.AAPBM-23-109504; Revised: 28-July-2023, Manuscript No. AAPBM-23-109504(R); Published: 02-Aug-2023, DOI: 10.35841/aapbm-6.4.157

Citation: Hu D. Symbiotic signals: Communication between plants and beneficial microbes. J Plant Bio Technol.2023;6(4):157.

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Symbiotic interactions between plants and beneficial microbes constitute a fascinating realm of ecological and agricultural significance. This mini-review delves into the intricate world of communication that underpins these partnerships, exploring the diverse signaling mechanisms that enable mutualistic relationships between plants and microbes. The molecular dialogues between these organisms facilitate essential processes, such as nutrient acquisition, stress mitigation, and disease resistance. By dissecting the mechanisms of symbiotic signaling, we gain insights into the coevolutionary dynamics that shape these relationships, paving the way for innovative applications in sustainable agriculture and ecosystem management.


Symbiotic interactions, Beneficial microbes, communication, Signaling molecules, Coevolution, Plant-microbe relationships, Nutrient acquisition, Stress tolerance, Disease resistance, Sustainable agriculture.


Symbiosis, the intimate interaction between distinct organisms, forms the basis for intricate and interdependent relationships across the biological spectrum. Within the realm of plant biology, the mutualistic alliances between plants and beneficial microbes stand out as exemplars of harmonious coexistence. These partnerships are rooted in sophisticated communication networks that enable plants and microbes to exchange signals, fostering interactions that confer diverse advantages upon both partners [1]. This mini-review aims to illuminate the mechanisms of symbiotic signaling and the broader implications of these intricate dialogues. At the heart of symbiotic interactions lies communication – a complex web of molecular cues that enable plants and beneficial microbes to coordinate their activities. Signaling molecules play a pivotal role in this dialogue, transmitting information between partners and orchestrating a range of physiological responses. Plant hormones, such as auxins and cytokinins, act as messengers in these relationships, influencing microbial colonization and modulating plant growth. Secondary metabolites, including flavonoids and phenolic compounds, often serve as signaling molecules that attract and promote the establishment of beneficial microbes within the plant's rhizosphere [2].

The intricate signaling between plants and microbes has been shaped by millennia of coevolution. As plants and microbes adapt to changing environmental conditions, their communication networks evolve in tandem, resulting in finely tuned responses that optimize the benefits derived from these interactions. The coevolutionary dynamics are particularly evident in the specificity of symbiotic relationships. Certain plant species exhibit a preference for particular microbial partners, a phenomenon rooted in the compatibility of signaling molecules produced by both organisms [3].

Nutrient Acquisition and Beyond: Symbiotic signaling plays a critical role in nutrient acquisition, enabling plants to harness essential nutrients from their environment with the assistance of microbial partners. Mycorrhizal associations, for instance, involve intricate signaling cascades that facilitate the exchange of nutrients between plants and fungi. These interactions enhance plant access to nutrients such as phosphorus and nitrogen, while the plant reciprocates by providing the fungus with carbohydrates. Beyond nutrient acquisition, symbiotic signaling also contributes to stress tolerance and disease resistance. Beneficial microbes can trigger plant responses that enhance stress resistance, bolstering the plant's ability to withstand environmental challenges. Additionally, signaling molecules produced by microbes can activate plant defense mechanisms, contributing to enhanced protection against pathogens [4].

Applications in Sustainable Agriculture

The profound insights gleaned from the study of symbiotic signaling hold significant promise for advancing sustainable agriculture. Harnessing these communication networks has the potential to revolutionize crop production by promoting plant growth, increasing stress tolerance, and reducing the reliance on synthetic fertilizers and pesticides. By understanding the molecular dialogues that underpin symbiotic relationships, researchers can design strategies to optimize beneficial microbial interactions, thereby enhancing crop yields and minimizing environmental impact [5].


Symbiotic signals form the foundation of dynamic and intricate partnerships between plants and beneficial microbes. These molecular dialogues facilitate essential processes that range from nutrient acquisition to stress tolerance, culminating in mutualistic benefits for both partners. The study of symbiotic signaling provides profound insights into the coevolutionary dynamics that shape these interactions, opening avenues for innovative applications in sustainable agriculture and ecosystem management. As we continue to unravel the complexities of symbiotic communication, we unlock the potential to harness these relationships for the betterment of both plant health and human welfare.


  1. Yeap SK, Beh BK, Ali NM, et al. In vivo antistress and antioxidant effects of fermented and germinated mung bean. Biomed Res Int. 2014.
  2. Indexed at, Google scholar, Cross Ref

  3. Ali NM, Mohd Yusof H, Yeap SK, et al. Anti-inflammatory and antinociceptive activities of untreated, germinated, and fermented mung bean aqueous extract. Evid-based Complement Altern Med. 2014.
  4. Indexed at, Google scholar, Cross Ref

  5. Palmero F, Fernandez JA, Garcia FO, et al. A quantitative review into the contributions of biological nitrogen fixation to agricultural systems by grain legumes. Euro J Agron. 2022;136:126514.
  6. Indexed at, Google scholar, Cross Ref

  7. Olenska E, Ma?ek W, Wojcik M, et al. Beneficial features of plant growth-promoting rhizobacteria for improving plant growth and health in challenging conditions: A methodical review. Sci Total Environ. 2020;743:140682.
  8. Indexed at, Google scholar, Cross Ref

  9. Nath Bhowmik S, Das A. Biofertilizers: a sustainable approach for pulse production. Legumes for soil health and sustainable management. 2018:445-85.
  10. Indexed at, Google scholar, Cross Ref

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