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Journal articles on the topic 'Indirect plant growth promotion'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Himanshu, Singh, Jaiswal Vishakha, Singh Siddhi, P. Tiwari S., Singh Bharti, and Katiyar Deepmala. "Antagonistic Compounds Producing Plant Growth Promoting Rhizobacteria: A Tool for Management of Plant Disease." Journal of Advances in Microbiology 3, no. 4 (2017): 1–12. https://doi.org/10.9734/JAMB/2017/33368.

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Agriculture is facing struggle to meet the various confront of reducing plant diseases for an increasing world population food security. Great quantities of synthetic fertilizers and pesticides are required for high productivity which can damage ecosystem structures and functions, including the soil microbial community which plays an important role in agriculture sustainability. Soil is an excellent niche of growth of much plant growth promoting rhizobacteria. PGPR are naturally occurring soil bacteria that aggressively colonize in plant roots and play a vital role in crop protection, growth p

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Glick, Bernard R. "The enhancement of plant growth by free-living bacteria." Canadian Journal of Microbiology 41, no. 2 (1995): 109–17. http://dx.doi.org/10.1139/m95-015.

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The ways in which plant growth promoting rhizobacteria facilitate the growth of plants are considered and discussed. Both indirect and direct mechanisms of plant growth promotion are dealt with. The possibility of improving plant growth promoting rhizobacteria by specific genetic manipulation is critically examined.Key words: plant growth promoting rhizobacteria, PGPR, bacterial fertilizer, soil bacteria.

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Kulkova, Iryna, Jakub Dobrzyński, Paweł Kowalczyk, Grzegorz Bełżecki, and Karol Kramkowski. "Plant Growth Promotion Using Bacillus cereus." International Journal of Molecular Sciences 24, no. 11 (2023): 9759. http://dx.doi.org/10.3390/ijms24119759.

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Plant growth-promoting bacteria (PGPB) appear to be a sensible competitor to conventional fertilization, including mineral fertilizers and chemical plant protection products. Undoubtedly, one of the most interesting bacteria exhibiting plant-stimulating traits is, more widely known as a pathogen, Bacillus cereus. To date, several environmentally safe strains of B. cereus have been isolated and described, including B. cereus WSE01, MEN8, YL6, SA1, ALT1, ERBP, GGBSTD1, AK1, AR156, C1L, and T4S. These strains have been studied under growth chamber, greenhouse, and field conditions and have shown

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Vyas, Simmy, Yashashvini Lunagariya, and Ushma Joshi. "Wonders of Endophyte: Plant Growth Enhancement of Capsicum annum L. by Aleo vera endophytes." Biosciences Biotechnology Research Asia 22, no. 2 (2025): 801–10. https://doi.org/10.13005/bbra/3404.

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ABSTRACT: Endophytes are microorganisms, typically bacteria or fungi that live inside the tissues of plants without causing harm to the host. These microorganisms can reside in various plant parts like leaves, stems, and roots. Endophytes play a significant role in plant health and can contribute to a plant’s adaptation to the environment, eventually contributing to plant growth promotion. These microbes play direct and indirect roles (stress tolerance, disease resistance, root development, structure improvement) in plant growth promotion. Conventional chemical fertilizers restoring agroecosys

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Silva, João Manoel da, Yamina Coentro Montaldo, Arthur Costa Pereira Santiago de Almeida, et al. "Rhizospheric Fungi to Plant Growth Promotion: A Review." Journal of Agricultural Studies 9, no. 1 (2021): 411. http://dx.doi.org/10.5296/jas.v9i1.18321.

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The rhizosphere is the region that has direct influence from the roots. This is the place where most of the interactions between microorganisms and plants occur. Studies involving the ecology of microbial communities from the rhizosphere became more frequent after the first reports of biological interactions of microorganisms with plants that influence physically and chemically modify the soil surrounding. According to these hypotheses, the rhizosphere mycobiota provides the development of plants through various mechanisms, direct and indirect. Thus, the objective of this review was to explain

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Dewada, Rahul, M. D. Khunt, D. H. Tandel, Harish Suthar, and H. D. Bhimani. "Isolation, characterization and in vitro efficacy of banana phyllospheric bacteria." Emergent Life Sciences Research 10, no. 01 (2024): 90–96. http://dx.doi.org/10.31783/elsr.2024.1019096.

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Phyllospheric bacteria can help in plant-growth promotion by various direct and indirect mechanisms. A total of ten healthy leaf samples were collected randomly from the banana farms located at Navsari Agricultural University, Navsari, Gujarat. A total of 28 morphologically distinct bacterial isolates were obtained in pure culture from collected samples and screened for their ability to plant growth-promoting parameters under in vitro conditions. Out of these, 14.28%, 14.28%, 28.57%, and 82.14% showed positive biological nitrogen fixation ability, phosphate solubilization, potassium mobilizati

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Mabood, Fazli, Xiaomin Zhou, and Donald L. Smith. "Microbial signaling and plant growth promotion." Canadian Journal of Plant Science 94, no. 6 (2014): 1051–63. http://dx.doi.org/10.4141/cjps2013-148.

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Mabood, F., Zhou, X. and Smith, D. L. 2014. Microbial signaling and plant growth promotion. Can. J. Plant Sci. 94: 1051–1063. The rhizosphere offers a complex microhabitat where root exudates provide a diverse mixture of organic compounds that are used as nutrients or signals by the soil microbial population. On the other hand, these soil microorganisms produce compounds that directly or indirectly assist in plant growth promotion. The widely recognized mechanisms of plant growth promotion are biofertilization, production of phytohormones, suppression of diseases through biocontrol, induction

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COSOVEANU, Andreea, Lavinia BARBU, Beatrice IACOMI, Elena DELIAN, Cristian POMOHACI, and Raimundo CABRERA. "TIME SCENARIOS OF INTERACTION IN “TOMATO SEEDLINGS - Alternaria - FUNGAL ENDOPHYTES”." AgroLife Scientific Journal 10, no. 1 (2021): 83–90. http://dx.doi.org/10.17930/agl202118.

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In biological control one of the most common approaches is selecting microorganisms with antagonistic traits. Yet, indirect mechanisms of plant growth promotion may give advantages in biotic stress by allowing plants to overcome the colonization of the pathogen. Rapid methods of combined antagonistic and plant growth promotion traits are scarce. Here we propose a method for screening potentially bioactive fungal endophytes in a tripartite interaction “endophytes - Alternaria - tomato seedlings”. Endophytes are known to interact with pathogens chemically inhibiting their growth or development b

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Ravinder, Polapally, Bahadur Raj, K. Raghu, Parvin Kahkashan, Srivastava Aparna, and Kumar Neeraj. "The Efficiency of Plant Growth Promoting Rhizobacteria for The Enhancement of Rice Production." Acta Botanica Plantae 02, no. 02 (2023): 53–57. https://doi.org/10.5281/zenodo.8340295.

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Numerous bacteria encourage the growth of plants, and numerous microbial products that encourage plant growth have been commercialised. In this review, we focus only on bacteria that originate from the root and have this impact on it. These microorganisms are frequently referred to as PGPRs (plant-growth-promoting rhizobacteria). These rhizobacteria's beneficial impacts on Direct or indirect plant growth are possible. The use of plant growth-promoting rhizobacteria (PGPR) for agricultural purposes is becoming more and more popular on a global scale, and it appears that this will be the fut

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Gogoi, Ankita, Nikha Borah, and Ratul Nath. "Plant Growth-Promoting Bacteria (PGPB): A Potent Source of Heavy Metal Stress Management in Plants." Current World Environment 18, no. 3 (2024): 1298–311. http://dx.doi.org/10.12944/cwe.18.3.30.

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Heavy metals or metalloids are toxic elements found throughout the crust of the earth’s surface. The gradual increase of heavy metal concentration in soil and water due to some natural and anthropogenic activities like application of agrochemicals, waste disposal, industrial activities, mining, smelting, lead-based paints, etc cause stress to the local vegetation. Soil microorganisms play a critical part in the remediation of heavy metal contaminated soil and thereby exert direct or indirect promotion to plant growth. Plant growth-promoting bacteria (PGPB), specially the Plant growth-promoting

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Mishra, Brijesh Kumar, SN Saxena, and Krishna Kant. "Abiotic stress tolerance in horticultural crops by phyto-beneficial microbial inoculants: a review." MOJ Food Processing & Technology 8, no. 3 (2020): 126–30. http://dx.doi.org/10.15406/mojfpt.2020.08.00252.

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Many agricultural crops at global level are exposed to numerous abiotic stresses such as extremely high or low temperature, salinity, drought, acidic soils, and metal toxicity. Depending on the type of crop, such abiotic stresses result in yield losses in tune of 50 to 82%. It is widely recognized that microbes perform crucial roles in biogeochemical cycling; the impact of microbes on plant productivity and diversity is still need to understand. The role of microbial inoculants in plant growth promotion, nutrient management and disease control is very well studied. These beneﬁcial microorganis

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Abawari, Reshid Abafita. "Phytobeneficial Traits and Ecophysiological Stress Tolerance of Rhizobia." ABC Research Alert 6, no. 2 (2018): Ethiopia. http://dx.doi.org/10.18034/ra.v6i2.329.

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The microorganisms with the aim of improving nutrients availabile for plants are an important practice and necessary for agriculture. During the past couple of decades, plant growth-promoting (PGP) rhizobia have been begun to replace the use of chemicals in agriculture, horticulture and environmental cleanup strategies. Scientific researches involve multidisciplinary approaches to understand adaptation of plant growth promoting rhizobacteria (PGPR), their effects on plant physiology and growth, induced systemic resistance, biocontrol of plant pathogens, biofertilization and their tolerance to

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Sharma, Vriti, Aakriti Singh, Diksha Sharma, et al. "Stress mitigation strategies of plant growth-promoting rhizobacteria: Plant growth-promoting rhizobacteria mechanisms." Plant Science Today 8, sp1 (2022): 25–32. http://dx.doi.org/10.14719/pst.1543.

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One of the major challenges that the world is facing currently is the inadequate amount of food production with high nutrient content in accordance with the increase in population size. Moreover, availability of cultivable area with fertile soil is reducing day by day owing to ever increasing population. Further, water scarcity and expensive agricultural equipment have led to the use of agrochemicals and untreated water. Excessive use of chemical fertilizers to increase crop yield have resulted in deleterious effects on the environment, health and economy, which can be overcome to a great exte

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Park, Jae Min, and George Lazarovits. "Involvement of hexokinase1 in plant growth promotion as mediated byBurkholderia phytofirmans." Canadian Journal of Microbiology 60, no. 6 (2014): 343–54. http://dx.doi.org/10.1139/cjm-2014-0053.

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Potato plantlets inoculated with strain PsJN of the bacterium Burkholderia phytofirmans exhibit consistent and significant increases in plant growth under in vitro conditions, when compared with uninoculated plants. The greatest influence on the degree and type of growth enhancement that develops has been shown to be mediated by the sugar concentration in the agar media. Bacterial growth promotion has been suggested in other studies to be regulated by the sugar sensor enzyme hexokinase1, the role of which is activation of glucose phosphorylation. In this present study, we examined the co-relat

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Gangopadhyay, Debnirmalya, and Ashmita Ghosh. "Impact of Plant Growth Promoting Rhizobacteria in Sustainable Agriculture: An Important Natural Resource for Crop Improvement." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 5, no. 03 (2019): 210–14. http://dx.doi.org/10.18811/ijpen.v5i03.10.

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It is usually admitted that the chemical fertilizers and pesticides used in modern agriculture create a real environmental and public health problems. The increasing demand for production with a significant reduction of synthetic fertilizers and pesticides use is a big challenge nowadays. The use of plant growth promoting rhizobacteria or PGPR has been proven to be an environmentally sound way of increasing crop yields by facilitating plant growth through either a direct or indirect mechanism. They play an important role to increase in soil fertility, plant growth promotion and suppression of

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Ali, Mohsin, Qurban Ali, Muhammad Aamir Sohail, et al. "Diversity and Taxonomic Distribution of Endophytic Bacterial Community in the Rice Plant and Its Prospective." International Journal of Molecular Sciences 22, no. 18 (2021): 10165. http://dx.doi.org/10.3390/ijms221810165.

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Endophytic bacterial communities are beneficial communities for host plants that exist inside the surfaces of plant tissues, and their application improves plant growth. They benefit directly from the host plant by enhancing the nutrient amount of the plant’s intake and influencing the phytohormones, which are responsible for growth promotion and stress. Endophytic bacteria play an important role in plant-growth promotion (PGP) by regulating the indirect mechanism targeting pest and pathogens through hydrolytic enzymes, antibiotics, biocontrol potential, and nutrient restriction for pathogens.

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Adistya, Adistya, Hasrul Satria Nur, and Yusriadi Yusriadi. "KARAKTERISASI Bacillus sp. PENGHASIL ASAM INDOL ASETAT ASAL RIZOSFER PERTANIAN PASANG SURUT DAN POTENSINYA SEBAGAI PEMACU PERTUMBUHAN PADI LOKAL." BIOSCIENTIAE 21, no. 2 (2024): 93. https://doi.org/10.20527/b.v21i2.13283.

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Bacillus sp., a member of the microbe, resided in the rhizosphere, potentially in plant growth promoting through a direct or indirect mechanism - phytohormone production, i.e., ethylene, gibberellin, cytokinin, and indole acetic acid. Bacillus sp. from soil agriculture in tidal swamp lands was isolated. Morphological, biochemical, and physiological properties have characterized attributes of isolation. In addition, indole acetic acid production is detected using the colorimeter method with the Salkowski reagent. The capability of the isolate to regulate plant growth promotion was carried out b

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Cochard, Bastien, Basile Giroud, Julien Crovadore, Romain Chablais, Lucas Arminjon, and François Lefort. "Endophytic PGPR from Tomato Roots: Isolation, In Vitro Characterization and In Vivo Evaluation of Treated Tomatoes (Solanum lycopersicum L.)." Microorganisms 10, no. 4 (2022): 765. http://dx.doi.org/10.3390/microorganisms10040765.

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Plant-growth-promoting rhizobacteria (PGPR) are soil bacteria colonizing the rhizosphere and the rhizoplane which have an effect on plant growth through multiple chemical compounds. Rhizobacteria with beneficial effects for plants could therefore be used to reduce the dependence on synthetic chemical fertilizers in conventional agriculture. Within this study, 67 endophytic fungi and 49 bacteria were isolated from root samples from 3 different commercial productions: an off-ground tomato production in a greenhouse, an organic production and a conventional production, both in a soil tunnel. Foll

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Fanai, Awmpuizeli, Beirachhitha Bohia, Felicia Lalremruati, et al. "Plant growth promoting bacteria (PGPB)-induced plant adaptations to stresses: an updated review." PeerJ 12 (August 20, 2024): e17882. http://dx.doi.org/10.7717/peerj.17882.

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Plants and bacteria are co-evolving and interact with one another in a continuous process. This interaction enables the plant to assimilate the nutrients and acquire protection with the help of beneficial bacteria known as plant growth-promoting bacteria (PGPB). These beneficial bacteria naturally produce bioactive compounds that can assist plants’ stress tolerance. Moreover, they employ various direct and indirect processes to induce plant growth and protect plants against pathogens. The direct mechanisms involve phytohormone production, phosphate solubilization, zinc solubilization, potassiu

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Luo, Dexian, Sarah Langendries, Sonia Garcia Mendez, et al. "Plant Growth Promotion Driven by a Novel Caulobacter Strain." Molecular Plant-Microbe Interactions® 32, no. 9 (2019): 1162–74. http://dx.doi.org/10.1094/mpmi-12-18-0347-r.

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Soil microbial communities hold great potential for sustainable and ecologically compatible agriculture. Although numerous plant-beneficial bacterial strains from a wide range of taxonomic groups have been reported, very little evidence is available on the plant-beneficial role of bacteria from the genus Caulobacter. Here, the mode of action of a Caulobacter strain, designated RHG1, which had originally been identified through a microbial screen for plant growth-promoting (PGP) bacteria in maize (Zea mays), is investigated in Arabidopsis thaliana. RHG1 colonized both roots and shoots of Arabid

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You, Jiaqi, Guoqing Li, Chaohan Li, et al. "Biological Control and Plant Growth Promotion by Volatile Organic Compounds of Trichoderma koningiopsis T-51." Journal of Fungi 8, no. 2 (2022): 131. http://dx.doi.org/10.3390/jof8020131.

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Trichoderma spp. are widely used in plant disease control and growth promotion due to their high efficacy and multiple biocontrol mechanisms. Trichoderma koningiopsis T-51 is an effective biocontrol agent against gray mold disease by direct contact. However, the indirect physical contact biocontrol potential of Trichoderma spp. is not clear. In this study, the volatile organic compounds (VOCs) produced by T-51 showed high inhibitory activity against plant pathogenic fungi Botrytis cinerea and Fusarium oxysporum. The percentage of B. cinerea and F. oxysporum mycelial growth inhibition by T-51 V

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Prisa, Domenico, and Aftab Jamal. "Potential and applications of plant growth promoting rhizobacteria (PGPR)." Multidisciplinary Reviews 8, no. 10 (2025): 2025317. https://doi.org/10.31893/multirev.2025317.

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Global agriculture currently suffers from pollution caused by the widespread use of chemical fertilizers and pesticides. These agrochemicals, when consumed in food, can harm human health (e.g. increasing risks of cancer and thyroid disorders) and damage the environment by reducing soil fertility, among other effects. Thus, there is a high demand for biological agents, such as microorganisms, that could partially or fully replace these agrochemicals.Plant growth-promoting rhizobacteria (PGPR) are promising in this regard, as they can enhance plant growth and productivity sustainably. These bact

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Spence, Kenneth O., and Edwin E. Lewis. "Biopesticides with complex modes of action: direct and indirect effects of DiTera® on Meloidogyne incognita." Nematology 12, no. 6 (2010): 835–46. http://dx.doi.org/10.1163/138855410x494251.

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Abstract Bionematicides may exhibit complex modes of action based on: i) direct lethal or sub-lethal effects on the nematode; ii) promotion of plant growth and damage tolerance; and/or iii) influencing the interaction between the plant and the nematode by inducing plant defences. A suite of assays was conducted to characterise the mode of action of the commercial bionematicide DiTera® (Valent Biosciences, Chicago, IL, USA). Agar-based behavioural assays revealed significant chemotactic responses of second-stage juveniles of Meloidogyne incognita to DiTera with concentrations of 1.0% and 0.1% b

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Humbarwadi, S. V., and R. P. Patil. "Mitigation of Cu with Copper tolerant plant growth promoting rhizobacteria in marigold (Tagetes erecta) plant growth." ECOLOGY, ENVIRONMENT AND CONSERVATION 30, Suppl (2024): S420—S424. http://dx.doi.org/10.53550/eec.2024.v30i05s.065.

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Heavy metal poisoning is mostly caused by the emission of hazardous pollutants through various natural and anthropogenic activities. Copper (Cu) is an essential micronutrient for plants; it is required in relatively small amounts for proper growth and development. However, like many elements, copper also has negative effects on plants at its high concentration. Soil testing and proper agricultural practices can help prevent copper toxicity issues. In the present research, a PPL bioinoculant was prepared from three previously isolated and identified Cu-tolerant Providentia, Paenibacillus, and L

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Barra-Bucarei, Lorena, Macarena Gerding González, Andrés France Iglesias, Gonzalo Silva Aguayo, Matías Guerra Peñalosa, and Pedro Vergara Vera. "Beauveria bassiana Multifunction as an Endophyte: Growth Promotion and Biologic Control of Trialeurodes vaporariorum, (Westwood) (Hemiptera: Aleyrodidae) in Tomato." Insects 11, no. 9 (2020): 591. http://dx.doi.org/10.3390/insects11090591.

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The tomato, Solanum lycopersicum L. is one of the most consumed vegetables in the world; nevertheless, it is affected by biotic and abiotic factors that reduce its productivity. The whitefly is globally considered as the main pest under protected crop conditions, where biologic control using endophytic fungi emerges as a sustainable alternative. We evaluated the indirect effects of five native endophytic strains of Beauveria bassiana on the reproduction of greenhouse whiteflies and the growth of tomatoes. The plant growth substrate was inoculated with five strains of this endophyte and the res

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Diyah, Sri Utami, Rochimi Setiawati Mieke, and Simarmata Tualar. "Synergistic and Competence of Native Plant Growth Promoting Rhizobacteria on Direct Mechanism on Growth Plants: A Review." INTERNATIONAL JOURNAL OF LIFE SCIENCE AND AGRICULTURE RESEARCH 03, no. 02 (2024): 103–11. https://doi.org/10.5281/zenodo.10691428.

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ABSTRACT The most significant challenges facing farmers and plant producers worldwide are minimizing or neutralizing the impacts of environmental pressures on agricultural plants, safeguarding against pests and diseases, and simultaneously maintaining optimal plant growth and development. The environment and raising food quality standards require minimizing using of chemicals fertilizer. Plant growth-promoting rhizobacteria (PGPR) have the ability to promote plant growth through a range of mechanisms, both direct and indirect. These mechanisms include mineral solubilization, phytohormone and s

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Purnima and Pooja Singh. "Plant Growth Promoting- Rhizobacteria (PGPR): Their Potential as Biofertilizer and Biopesticide Agents: A Review." Asian Journal of Advances in Agricultural Research 22, no. 1 (2023): 25–37. http://dx.doi.org/10.9734/ajaar/2023/v22i1431.

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Currently, world is dealing with the curse of pollution in agricultural fields due to rampant use of chemical fertilizers and pesticides. These agrochemicals cause great harm to human health when consumed in food (e.g. cancer and thyroid) and also to environment (reduce fertility of soil etc) when released out there. Hence, there is an intense demand of such biological agents (e.g. microorganisms) which could partially or fully replace these agrochemicals. Plant growth promoting rhizobacteria could come to the rescue and would help to escalate growth and productivity of plants in an environmen

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Ahsan, S. M., Md Injamum-Ul-Hoque, Ashim Kumar Das, et al. "Plant–Entomopathogenic Fungi Interaction: Recent Progress and Future Prospects on Endophytism-Mediated Growth Promotion and Biocontrol." Plants 13, no. 10 (2024): 1420. http://dx.doi.org/10.3390/plants13101420.

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Entomopathogenic fungi, often acknowledged primarily for their insecticidal properties, fulfill diverse roles within ecosystems. These roles encompass endophytism, antagonism against plant diseases, promotion of the growth of plants, and inhabitation of the rhizosphere, occurring both naturally and upon artificial inoculation, as substantiated by a growing body of contemporary research. Numerous studies have highlighted the beneficial aspects of endophytic colonization. This review aims to systematically organize information concerning the direct (nutrient acquisition and production of phytoho

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Aarti, Sujata, Shivam Parmar, and Anil Kumar*. "Plant Growth Promoting Rhizobacteria: Their potential in sustainable Agriculture." Journal of Science Innovations and Nature of Earth 4, no. 2 (2024): 40–46. http://dx.doi.org/10.59436/jsianev4i2/270.

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Plant growth-promoting rhizobacteria (PGPR) are bacteria that inhabit plant roots and raise plant development through diverse direct and indirect mechanisms, including biological nitrogen fixation, the production of 1-amino-cyclopropane-1-carboxylate deaminase (ACC), siderophore synthesis, production of phytohormone and phosphate solubilization. Researchers are engaged in elucidating the role of PGPR in plant growth-promoting mechanisms. The potential of PGPR in agriculture is progressively rising as it presents an appealing option to chemical fertilizers, pesticides and other additives. These

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Lima, Ana Carla Pinheiro, Leonardo Oliveira Medici, Débora Alves Gonzaga da Silva Ballesteiro Pereira, and Eduardo de Assis Lima. "Root growth in tomato seedlings in response to bacterial inoculation Serratia sp." Research, Society and Development 9, no. 7 (2020): e89973634. http://dx.doi.org/10.33448/rsd-v9i7.3634.

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Growth-promoting rhizobacteria are soil bacteria that inhabit the surrounding root, and are directly or indirectly involved in promoting plant growth and development. The productivity efficiency of these groups of microorganisms can be applied to planting crops, providing an interesting alternative for minimize the negative effects of water deficit. The objective of this study was to verify if the mechanism of growth promotion of the bacterium is similar to that promoted by polyethylene glycol (PEG) and to compare the possible effects of water stress on the tomato against the effects of inocul

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Singh, Indranil. "Plant Growth Promoting Rhizobacteria (PGPR) and their various mechanisms for plant growth enhancement in stressful conditions: a review." European Journal of Biological Research 8, no. 4 (2018): 191–213. https://doi.org/10.5281/zenodo.1455995.

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The population has been rising in a rapid state and so is the demand of basic necessities like food requirements. Today agriculture demands increase in yield with a substantial decrease in chemical fertilizer and pesticides that are responsible for huge environmental degradation. Today a huge part of yield has been lost due to various stresses plant are subjected too. It could be broadly divided into biotic and abiotic stress. Meanwhile, plant growth promoting rhizobacteria has promised us a substantial agriculture development platform. These are generally a group of microorganism that is foun

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Subedi, Pratima, Kaitlin Gattoni, Wenshan Liu, Kathy S. Lawrence, and Sang-Wook Park. "Current Utility of Plant Growth-Promoting Rhizobacteria as Biological Control Agents towards Plant-Parasitic Nematodes." Plants 9, no. 9 (2020): 1167. http://dx.doi.org/10.3390/plants9091167.

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Plant-parasitic nematodes (PPN) are among the most economically and ecologically damaging pests, causing severe losses of crop production worldwide. Chemical-based nematicides have been widely used, but these may have adverse effects on human health and the environment. Hence, biological control agents (BCAs) have become an alternative option for controlling PPN, since they are environmentally friendly and cost effective. Lately, a major effort has been made to evaluate the potential of a commercial grade strain of plant growth-promoting rhizobacteria (PGPR) as BCAs, because emerging evidence

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Samaras, Anastasios, Nathalie Kamou, Georgios Tzelepis, Katerina Karamanoli, Urania Menkissoglu-Spiroudi, and George S. Karaoglanidis. "Root Transcriptional and Metabolic Dynamics Induced by the Plant Growth Promoting Rhizobacterium (PGPR) Bacillus subtilis Mbi600 on Cucumber Plants." Plants 11, no. 9 (2022): 1218. http://dx.doi.org/10.3390/plants11091218.

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Bacillus subtilis MBI600 is a commercialized plant growth-promoting bacterial species used as a biocontrol agent in many crops, controlling various plant pathogens via direct or indirect mechanisms. In the present study, a detailed transcriptomic analysis of cucumber roots upon response to the Bs MBI600 strain is provided. Differentially expressed genes (DEGs) analysis showed altered gene expression in more than 1000 genes at 24 and 48 h post-application of Bs MBI600. Bs MBI600 induces genes involved in ISR and SAR signaling. In addition, genes involved in phytohormone production and nutrient

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Ahir, Miral, Akruti R. Joshi, and Gayatriben B. Patel. "Halotolerant as plant growth promoting Rhizobacteria (PGPR)." International Journal of Agricultural Sciences and Veterinary Medicine 12, no. 2 (2024): 34–49. https://doi.org/10.25303/1202ijasvm34049.

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Extremophile species known as halophiles flourish in conditions when salt concentrations are extremely high. The microbial communities in the soil of the Kutch region are highly salinized and have not been thoroughly studied. Soil bacteria known as plant growth promoting rhizobacteria (PGPR) live in the rhizosphere, rhizoplane and roots of plants where they support plant growth through a number of direct and indirect means. Nineteen halotolerant bacterial strains were obtained from the Kutch region for this study. These strains are capable of growing in medium with 1-20% NaCl. Morphological, p

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Wang, Dan, Verena Poinsot, Wangxi Li, et al. "Genomic Insights and Functional Analysis Reveal Plant Growth Promotion Traits of Paenibacillus mucilaginosus G78." Genes 14, no. 2 (2023): 392. http://dx.doi.org/10.3390/genes14020392.

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Paenibacillus mucilaginosus has widely been reported as a plant growth-promoting rhizobacteria (PGPR). However, the important genomic insights into plant growth promotion in this species remain undescribed. In this study, the genome of P. mucilaginosus G78 was sequenced using Illumina NovaSeq PE150. It contains 8,576,872 bp with a GC content of 58.5%, and was taxonomically characterized. Additionally, a total of 7338 genes with 143 tRNAs, 41 rRNAs, and 5 ncRNAs were identified. This strain can prohibit the growth of the plant pathogen, but also has the capability to form biofilm, solubilize ph

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Bolaños Dircio, Alejandro, Jeiry Toribio Jiménez, Miguel Á. Rodríguez Barrera, et al. "Bacillus licheniformis M2-7 IMPROVES GROWTH, DEVELOPMENT AND YIELD OF Capsicum annuum L." Agrociencia 55, no. 3 (2021): 227–42. http://dx.doi.org/10.47163/agrociencia.v55i3.2415.

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Plant growth promoting bacteria are known to directly or indirectly influence the development and yield of plants. Studies that show the biotechnological potential of these bacteria as biofertilizers are thus important. The objective of this study was to evaluate the growth capacities of strains M2-7 and LYA12 and define whether their interactions with Capsicum annuum L. increases production. The hypothesis was that the Bacillus licheniformis strains have capacities to promote growth and yield of Capsicum annuum L. First, these strains were evaluated in vitro in selective culture media to dete

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Vandana, Udaya Kumar, Jina Rajkumari, L. Paikhomba Singha, et al. "The Endophytic Microbiome as a Hotspot of Synergistic Interactions, with Prospects of Plant Growth Promotion." Biology 10, no. 2 (2021): 101. http://dx.doi.org/10.3390/biology10020101.

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The plant root is the primary site of interaction between plants and associated microorganisms and constitutes the main components of plant microbiomes that impact crop production. The endophytic bacteria in the root zone have an important role in plant growth promotion. Diverse microbial communities inhabit plant root tissues, and they directly or indirectly promote plant growth by inhibiting the growth of plant pathogens, producing various secondary metabolites. Mechanisms of plant growth promotion and response of root endophytic microorganisms for their survival and colonization in the host

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Xu, Jinzhi, Lijun Qin, Xinyi Xu, Hong Shen, and Xingyong Yang. "Bacillus paralicheniformis RP01 Enhances the Expression of Growth-Related Genes in Cotton and Promotes Plant Growth by Altering Microbiota inside and outside the Root." International Journal of Molecular Sciences 24, no. 8 (2023): 7227. http://dx.doi.org/10.3390/ijms24087227.

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Plant growth-promoting bacteria (PGPB) can promote plant growth in various ways, allowing PGPB to replace chemical fertilizers to avoid environmental pollution. PGPB is also used for bioremediation and in plant pathogen control. The isolation and evaluation of PGPB are essential not only for practical applications, but also for basic research. Currently, the known PGPB strains are limited, and their functions are not fully understood. Therefore, the growth-promoting mechanism needs to be further explored and improved. The Bacillus paralicheniformis RP01 strain with beneficial growth-promoting

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Chanda, Dhritiman, G. D. Sharma, Marufa Ibnat, and Madhumita Dey. "The potential use of plant growth promoting Rhizobacteria (PGPR) for Tea Plant Cultivation in Assam: A Review." Ecology, Environment and Conservation 29 (2023): 449–53. http://dx.doi.org/10.53550/eec.2023.v29i02s.073.

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Plant growth promoting bacteria (PGPR) have been found to be highly beneficial for plants as they help defend against fungal diseases commonly found in soil. They play an important role in plant growth, health and productivity. They increase seedling tolerance to drought, high temperatures, toxic heavy metals, high or low pH and even extreme soil acidity. The use of PGPR has proven to be an environmentally best way to increase the crop yield by facilitating plant growth through either a direct or indirect mechanism. Tea is grown all over the Assam and cultivated in major areas where chemical f

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Mukherjee, Tanoy, Avijit Ghosh, and Santanu Maitra. "Estimation of Plant Growth Promoting Potential of Two Nickel Accumulating Morphotypes Isolated from River Hooghly on Indian Yellow Mustard (Brassica hirta)." International Journal of Applied Sciences and Biotechnology 2, no. 4 (2014): 413–19. http://dx.doi.org/10.3126/ijasbt.v2i4.11107.

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Plant growth promoting bacteria (PGPB) are known to influence plant growth by various direct or indirect mechanisms. Present study was conducted with an aim to estimate the PGPB potential of two nickel tolerant bacterial isolates from river Hooghly. Isolates (I-3) (Gram negative coccobacilli) and (II-1) (Gram positive rods) were observed, among a total of 22 other isolates, to tolerate and accumulate significant amounts of nickel and also have multiple Plant Growth Promoting (PGP) activities like IAA production and phosphate solubilization. Present study also shows that seeds of yellow mustard

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Chauhan, Jagruti V., and Sangeeta D. Gohel. "Rhizospheric bacteria: Potent source of phytohormones and phytostimulants for horticultural plants in agronomy." Trends in Horticulture 7, no. 2 (2024): 4980. http://dx.doi.org/10.24294/th.v7i2.4980.

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Horticultural crops are rich in constituents such as proteins, carbohydrates, vitamins, and minerals important for human health. Under biotic and abiotic stress conditions, rhizospheric bacteria are powerful sources of phytohormones such as indole acetic acid (IAA), gibberellic acid (GA), abscisic acid (ABA) and Plant growth regulators including cytokines, ammonia, nitrogen, siderophores, phosphate, and extra cellular enzymes. These phytohormones help horticultural crops grow both directly and indirectly. In recent agricultural practices, the massive use of chemical fertilizers causes a major

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Thomas, Smitha, and Lizzy Mathew. "Plant Growth Promoting Rhizobacteria Enhancing Vigour and Yield: A Brief Review." Agriculture Archives 3, no. 3 (2024): 6–10. http://dx.doi.org/10.51470/agri.2024.3.3.06.

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Chemical fertilizers are becoming more and more necessary in developing countries like India where they damage the environment, water, and human health, harm the soil’s micro-flora and fauna, and also increase production costs. Finding a safer alternative for these harmful compounds is, therefore, essential. The diverse collection of plant growth-promoting rhizobacteria (PGPR) quickly colonizes the rhizosphere and offers direct or indirect protection to agricultural plants. In addition to significantly increasing the seed germination rate, PGPR treatment offered protection against harmful micr

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Makar, O. O., and N. D. Romanyuk. "Endophytic bacteria of wheat and the potential to improve microelement composition of grain." Studia Biologica 16, no. 3 (2022): 101–28. http://dx.doi.org/10.30970/sbi.1603.692.

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In sustainable agriculture, there is a tendency for an increased use of microbiological preparations, especially plant growth promoting bacteria (PGPB), that can supplement the phenotypic plasticity and adaptability of plants, stimulate their growth and development, increase resistance to stress. The endophytic PGPB could be a promising element of technologies for the improvement of mineral nutrition and promotion of growth and yield of wheat (Triticum spp.). They are transferred to the plant by a horizontal, from the environment (rhizosphere, phyllosphere), or a vertical, from the seeds (from

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Khandagale, P. P., S. S. Kansara, Jay Padsala, and P. R. Patel. "Plant Growth Promoting Rhizobacteria for Sustainable Production of Sugarcane and Rice." International Journal of Plant & Soil Science 36, no. 3 (2024): 298–305. http://dx.doi.org/10.9734/ijpss/2024/v36i34427.

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Sugarcane (Sacchraum officinarum L.) and rice (Oryza sativa L.) are important cash and staple crop in the world respectively. In today’s population explosion the lots of pressure on cropping land to mitigate the feed need of consumers with judicious use of chemical fertilizers without considering the health of soil and its sustainability. The rhizobacteria live region around roots (2-80 mm) of crop with divers, dynamic and complex microflora having capacity with direct and indirect beneficial effects on crop health by availability of different nutrient, siderophores, rhizo deposits, auxins and

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Shah, K. K., S. Tripathi, I. Tiwari, et al. "Role of soil microbes in sustainable crop production and soil health: A review." Agricultural Science and Technology 13, Volume 13, Issue 2 (2021): 109–18. http://dx.doi.org/10.15547/ast.2021.02.019.

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Abstract. Global food production needs to be increased in order to feed the world’s growing population and at the same time, the reliance on inorganic fertilizers and pesticides should be minimized. To accomplish this goal, the various beneficial associations between plants and soil microorganisms should be explored. The soil microbes are bacteria, actinomycetes, viruses, fungi, nematode, and protozoa. They have an important soil function that has fulfilled several useful tasks in the soil system. Microbes support biological nitrogen fixation of different biological transformations that suppor

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B, Rajeshwaran, Faizal M H, and Anith K N. "Invisible Allies: The Role of Endophytic Entomopathogenic Microbes in Insect Pest Control." International Journal of Plant & Soil Science 36, no. 10 (2024): 460–72. http://dx.doi.org/10.9734/ijpss/2024/v36i105097.

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Endophytic entomopathogenic microbes, including both bacteria and fungi, hold significant promise as biocontrol agents in sustainable pest management. While the biocontrol potential of entomopathogens are well-established, their role as mutualistic endophytes within plant tissues offers a relatively new avenue for enhancing pest suppression. The ability of these microbes to colonize plant tissues allows them to serve as internal defense agents against insect pests, while simultaneously promoting plant health and resilience to environmental stressors. Here, we explore the growing body of knowle

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Gondal, Aqarab Husnain, Qammar Farooq, Irfan Hussain, and Muhammad Danish Toor. "Role of Microbes in Plant Growth and Food Preservation." Agrinula : Jurnal Agroteknologi dan Perkebunan 4, no. 2 (2021): 106–21. http://dx.doi.org/10.36490/agri.v4i2.158.

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 Introduction: Microbes perform better functions for agricultural production by promoting various direct and indirect mechanisms in soil and plants. If agricultural development is to satisfy the needs of an increasing global population, a deeper understanding of soil microbiology is needed. Furthermore, microbial biota such as yeast, bacteria etc., plays a significant role in food preservation by various mechanisms. Review results: Despite their pathogenicity, microbes play a substantial role in dispensing an assortment of fermented drinks and foods in the food industry and home. P

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Aeron, Abhinav, Ramesh Chandra Dubey, and Dinesh Kumar Maheshwari. "Characterization of a plant-growth-promoting non-nodulating endophytic bacterium (Stenotrophomonas maltophilia) from the root nodules of Mucuna utilis var. capitata L. (Safed Kaunch)." Canadian Journal of Microbiology 66, no. 11 (2020): 670–77. http://dx.doi.org/10.1139/cjm-2020-0196.

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Nonrhizobial root nodule endophytic bacteria are known to have beneficial effects on host plants and are also considered contaminants or opportunists. They grow either individually or as a co-occupant of the root nodules of legumes. In this study, a nonrhizobial endophytic bacterial strain was isolated from the root nodules of the medicinal legume Mucuna utilis var. capitata L.; phenotypic, genotypic, and agricultural characterization was performed using a HiMedia kit and 16S rRNA sequencing. This strain showed tremendous seedling growth potential (30%), compared with the control, as well as a

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Khan, Naeem, Shahid Ali, Muhammad Adnan Shahid, Adnan Mustafa, R. Z. Sayyed, and José Alfredo Curá. "Insights into the Interactions among Roots, Rhizosphere, and Rhizobacteria for Improving Plant Growth and Tolerance to Abiotic Stresses: A Review." Cells 10, no. 6 (2021): 1551. http://dx.doi.org/10.3390/cells10061551.

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Abiotic stresses, such as drought, salinity, heavy metals, variations in temperature, and ultraviolet (UV) radiation, are antagonistic to plant growth and development, resulting in an overall decrease in plant yield. These stresses have direct effects on the rhizosphere, thus severely affect the root growth, and thereby affecting the overall plant growth, health, and productivity. However, the growth-promoting rhizobacteria that colonize the rhizosphere/endorhizosphere protect the roots from the adverse effects of abiotic stress and facilitate plant growth by various direct and indirect mechan

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Cherif-Silini, Hafsa, Bathini Thissera, Ali Chenari Bouket, et al. "Durum Wheat Stress Tolerance Induced by Endophyte Pantoea agglomerans with Genes Contributing to Plant Functions and Secondary Metabolite Arsenal." International Journal of Molecular Sciences 20, no. 16 (2019): 3989. http://dx.doi.org/10.3390/ijms20163989.

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In the arid region Bou-Saâda at the South of Algeria, durum wheat Triticum durum L. cv Waha production is severely threatened by abiotic stresses, mainly drought and salinity. Plant growth-promoting rhizobacteria (PGPR) hold promising prospects towards sustainable and environmentally-friendly agriculture. Using habitat-adapted symbiosis strategy, the PGPR Pantoea agglomerans strain Pa was recovered from wheat roots sampled in Bou-Saâda, conferred alleviation of salt stress in durum wheat plants and allowed considerable growth in this unhostile environment. Strain Pa showed growth up to 35 °C t

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