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Journal articles on the topic 'Plant growth promoting bacteria'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Bortyanuy, I. O. "PLANT GROWTH-PROMOTING TRAITS OF ANTARCTIC ENDOPHYTIC BACTERIA." Biotechnologia Acta 15, no. 4 (2022): 5–7. http://dx.doi.org/10.15407/biotech15.04.005.

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Successful colonization of Antarctic lands by vascular plants Deschampsia antarctica and Colobanthus quitensis and their adaptation to stressful environments is associated not only with climate change but also with the functioning of microbial groups of phylo- and endosphere of these plants. The aim of our study was to screen plant growth-promoting traits in endophytic bacteria of antarctic vascular plants. Materials and methods. We have studied 8 bacterial cultures isolated from D. antarctica collected during the 25th Ukrainian Antarctic Expedition (January-April 2020) along the Western part

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Bianco, Carmen. "Plant-Growth-Promoting Bacteria." Plants 13, no. 10 (2024): 1323. http://dx.doi.org/10.3390/plants13101323.

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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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Anwer Sharook MD and Darsha S. "Growth Promoting Endophytic Bacteria from Zingiber officinale." International Journal of Scientific Research in Science and Technology 12, no. 3 (2025): 150–57. https://doi.org/10.32628/ijsrst2512317.

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Endophytic bacteria are those which colonize the interior tissues of plants without causing any adverse effect. The mutualistic association of endophytes with plants enables the plant to manage diverse stress conditions and they provide several plant growth promoting properties to the plants. This paper explores the isolation and characterization of plant growth-promoting endophytic bacteria from the rhizome of Zingiber officinale. This paper aims to contribute to the understanding of the endophytic bacterial community associated with ginger plants and their potential applications in agricultu

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Castillo-Texta, Maria Guadalupe, José Augusto Ramírez-Trujillo, Edgar Dantán-González, Mario Ramírez-Yáñez, and Ramón Suárez-Rodríguez. "Endophytic Bacteria from the Desiccation-Tolerant Plant Selaginella lepidophylla and Their Potential as Plant Growth-Promoting Microorganisms." Microorganisms 12, no. 12 (2024): 2654. https://doi.org/10.3390/microorganisms12122654.

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Bacteria associated with plants, whether rhizospheric, epiphytic, or endophytic, play a crucial role in plant productivity and health by promoting growth through complex mechanisms known as plant growth promoters. This study aimed to isolate, characterize, identify, and evaluate the potential of endophytic bacteria from the resurrection plant Selaginella lepidophylla in enhancing plant growth, using Arabidopsis thaliana ecotype Col. 0 as a model system. Plant growth-promotion parameters were assessed on the bacterial isolates; this assessment included the quantification of indole-3-acetic acid

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Timofeeva, Anna M., Maria R. Galyamova, and Sergey E. Sedykh. "How Do Plant Growth-Promoting Bacteria Use Plant Hormones to Regulate Stress Reactions?" Plants 13, no. 17 (2024): 2371. http://dx.doi.org/10.3390/plants13172371.

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Phytohormones play a crucial role in regulating growth, productivity, and development while also aiding in the response to diverse environmental changes, encompassing both biotic and abiotic factors. Phytohormone levels in soil and plant tissues are influenced by specific soil bacteria, leading to direct effects on plant growth, development, and stress tolerance. Specific plant growth-promoting bacteria can either synthesize or degrade specific plant phytohormones. Moreover, a wide range of volatile organic compounds synthesized by plant growth-promoting bacteria have been found to influence t

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Alikulov, B. S., V. V. Shuryhin, K. D. Davranov, and Z. F. Ismailov. "Halophytic Plant Halostachys belangeriana (Moq.) Botsch as a Source of Plant Growth-Promoting Endophytic Bacteria." Mikrobiolohichnyi Zhurnal 84, no. 4 (2023): 30–39. http://dx.doi.org/10.15407/microbiolj84.04.030.

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Halostachys belangeriana (Moq.) Botsch also known as Halostachys caspica C. A. Mey belongs to the Chenopodiaceae family and is distributed in deserts of Asian countries. The plant grows in severe salinity and drought conditions and its survival and growth can be associated with the activity of endophytic bacteria. The objective of our research was to isolate and screen endophytic bacteria from Halostachys belangeriana for plant growth promotion and reveal their plant-beneficial traits. Methods. Halostachys belangeriana (Moq.) Botsch plants were collected from the saline soil of the Kyzylkum de

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Fatima, Kaneez. "Insights into Chemical Interaction between Plants and Microbes and its Potential Use in Soil Remediation." BioScientific Review 01, no. 04 (2019): 39–45. http://dx.doi.org/10.32350/bsr.0104.05.

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Soil bacteria are very vital and they are frequently used in production of crop. Chemical dialogues between bacteria and plant roots result in the proliferation and biofilm formation of plant growth promoting and contaminant degrading bacteria. Plant-bacterial interactions in the rhizosphere are the determinants of plant health and soil fertility. Plant growth promoting rhizobacteria (PGPR) which is also known as plant health promoting rhizobacteria (PHPR) or nodule promoting rhizobacteria (NPR). It can benefit the host plant directly by enhancing plant growth or indirectly by producing hydrol

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Meinzer, McKay, Niaz Ahmad, and Brent L. Nielsen. "Halophilic Plant-Associated Bacteria with Plant-Growth-Promoting Potential." Microorganisms 11, no. 12 (2023): 2910. http://dx.doi.org/10.3390/microorganisms11122910.

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The salinization of soils is a growing agricultural concern worldwide. Irrigation practices, drought, and climate change are leading to elevated salinity levels in many regions, resulting in reduced crop yields. However, there is potential for a solution in the microbiome of halophytes, which are naturally salt-tolerant plants. These plants harbor a salt-tolerant microbiome in their rhizosphere (around roots) and endosphere (within plant tissue). These bacteria may play a significant role in conferring salt tolerance to the host plants. This leads to the possibility of transferring these benef

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Hafeez, Fauzia Y., Sumera Yasmin, Dini Ariani, Mehboob ur-Rahman, Yusuf Zafar, and Kauser A. Malik. "Plant growth-promoting bacteria as biofertilizer." Agronomy for Sustainable Development 26, no. 2 (2006): 143–50. http://dx.doi.org/10.1051/agro:2006007.

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11

Laura, Abisaí Pazos-Rojas, Rodríguez-Andrade Osvaldo, Catalina Muñoz-Arenas Ligia, et al. "Desiccation-Tolerant Rhizobacteria Maintain their Plant Growth- Promoting Capability after Experiencing Extreme Water Stress." SciFed Journal of Applied Microbiology 1, no. 1 (2018): 1–13. https://doi.org/10.5281/zenodo.5068936.

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Abstract Bacteria from rhizosphere have the potential to promote the growth of plants, and could be used as inoculants to increase the crop profitability. However, under drought stress conditions, the number of bacteria associated to seeds could decrease below the minimal number of bacteria required to obtain a positive plant response. At the present work, the capability of 28 rhizospheric bacterial strains to tolerate 18 days of air desiccation stress (at 30oC and 50% of relative humidity) was evaluated. Results showed different levels of bacterial tolerance and five categories were proposed

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Freitas, J. Renato de, and James J. Germida. "Plant growth promoting rhizobacteria for winter wheat." Canadian Journal of Microbiology 36, no. 4 (1990): 265–72. http://dx.doi.org/10.1139/m90-046.

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The association of winter wheat (Triticum aestivum L. cv. Norstar) with root-colonizing bacteria (rhizobacteria) was studied in potted soil experiments in the growth chamber. Thirty-six known bacteria, some of which have been reported to stimulate plant growth, and 75 isolates obtained from the rhizosphere of winter wheat were tested for their effects on plant growth and development in two different soils. Two known bacteria and 12 isolates stimulated growth of winter wheat. Of these, the most effective were nine isolates that significantly (P < 0.01) increased plant height, root and shoot

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Kaur, Tanvir, Rubee Devi, Divjot Kour, Ashok Yadav, and Ajar Nath Yadav. "Plant growth promotion of barley (Hordeum vulgare L.) by potassium solubilizing bacteria with multifarious plant growth promoting attributes." Plant Science Today 8, sp1 (2021): 17–24. http://dx.doi.org/10.14719/pst.1377.

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Potassium (K) is the foremost macronutrients for growth of plant, soil health and fertility. The huge application of NPK chemical fertilizers negatively impacts the economy and is a threat to environmental sustainability. The rapid depletion of K mineral in soil is due to the application of agrochemicals agricultural fields for the production of crops in India. In present investigation, K-solubilizing microbes (KSM) were isolated and enumerated from cereal crops growing in Sirmour Himachal Pradesh. A total 125 bacteria were isolated and screened for K- solubilization on Aleksandrov agar plates

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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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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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Kesaulya, H., A. Talahaturuson, A. M. Kalay, et al. "Characterization of plant growth promoting rhizobacteria of maize." IOP Conference Series: Earth and Environmental Science 883, no. 1 (2021): 012028. http://dx.doi.org/10.1088/1755-1315/883/1/012028.

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Abstract Isolation and characterization of rhizobacteria are an effort to determine the ability of root colony bacteria to produce various compounds that can be used for various purposes of bio-fertilizer formulations and microbial-based industrial interests. This study aims to characterize biochemically, morphologically and physiologically as well as the ability of root bacteria in maize to produce hormones that can stimulate plant growth. There is a wide variety of isolates morphologically and biochemically, besides that there is the ability of bacterial isolates to physiologically dissolve

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Reed, M. L. E., and Bernard R. Glick. "Growth of canola (Brassica napus) in the presence of plant growth-promoting bacteria and either copper or polycyclic aromatic hydrocarbons." Canadian Journal of Microbiology 51, no. 12 (2005): 1061–69. http://dx.doi.org/10.1139/w05-094.

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Growth of canola (Brassica napus) seeds treated with plant growth-promoting bacteria in copper-contaminated and polycyclic aromatic hydrocarbon (PAH)-contaminated soils was monitored. Pseudomonas asplenii AC, isolated from PAH-contaminated soil, was transformed to express a bacterial gene encoding 1-aminocyclopropane-1-carboxylate (ACC) deaminase, and both native and transformed bacteria were tested for growth promotion. Inoculation of seeds, grown in the presence of copper or creosote, with either native or transformed P. asplenii AC significantly increased root and shoot biomass. Native and

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18

AlAli, Heba Adel, Ashraf Khalifa, and Mohammed Almalki. "Plant Growth-Promoting Bacterium from Non-Agricultural Soil Improves Okra Plant Growth." Agriculture 12, no. 6 (2022): 873. http://dx.doi.org/10.3390/agriculture12060873.

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Beneficial soil microorganisms influence nutrient recycling, soil fertility, plant growth, and productivity and reduce chemical fertilizer application. This study aimed to isolate bacteria from non-agricultural soils in the Al-Ahsa region and characterize the bacteria with the best biostimulating characteristics at the physiological, biochemical, and molecular level. DPM17, a bacterial isolate, promotes plant growth through phosphate solubilization, nitrogen fixation, and ammonia production. DPM17 also produces the phytohormones, indole acetic acid (IAA; 4.516 μg mL−1) and gibberellin (1.33 µg

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19

Shishido, Masahiro, and Christopher P. Chanway. "Spruce growth response specificity after treatment with plant growth-promoting Pseudomonads." Canadian Journal of Botany 77, no. 1 (1999): 22–31. http://dx.doi.org/10.1139/b98-197.

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Naturally regenerating hybrid spruce seedlings (Picea glauca (Moench) Voss beta Picea engelmannii Parry) were collected from sites near Mackenzie, Salmon Arm, and Williams Lake, British Columbia, Canada. Bacteria were isolated from roots and screened in greenhouse trials for their ability to enhance spruce growth. Three strains belonging to the genus Pseudomonas were selected for study based on their disparate geographic origins and their capacity to consistently stimulate spruce seedling growth in screening trials. Factorial experiments were performed in the greenhouse to evaluate the effecti

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20

Sturz, A. V., B. R. Christie, and B. G. Matheson. "Associations of bacterial endophyte populations from red clover and potato crops with potential for beneficial allelopathy." Canadian Journal of Microbiology 44, no. 2 (1998): 162–67. http://dx.doi.org/10.1139/w97-146.

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Clover and potatoes, in a crop rotation, were found to share specific associations of bacterial endophytes. Twenty-five bacterial species from 18 genera were common to both clover and potatoes and represented 73% of all the bacteria recovered from clover root tissues and 73% of all the bacteria recovered from potato tubers. Endophytic bacteria tested in potato plant bioassays were predominantly plant growth neutral (56%). The remainder were either plant growth promoting (21%) or plant growth inhibiting (24%)(P < 0.05). Of the plant growth promoting bacteria, 63% increased shoot height, 66%

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Yousuf,, Faisal, Manish Solanki, and Satendra Kumar Mangrauthia. "Rice bacterial endophyte Bacillus sp., and its potential for plant growth promotion." Plant Science Archives 10, no. 1 (2025): 22–26. https://doi.org/10.51470/psa.2025.10.1.22.

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In an environmentally benign way, plant growth-promoting endophytic bacteria hold great potential as a substitute for chemical fertilizers in terms of enhancing plant growth and output. In the current study, four endophytic bacteria (IIRR-F1, IIRR-F2, IIRR-F3 and IIRR-F4) were isolated from the rice roots and evaluated for a variety of PGP characteristics. Most of the isolates produced plant growth-promoting traits including indole acetic acid, phosphate solubilization, ammonia and siderophore production. It was concluded from the results that bacterial isolate IIRR-F2 showed most of the plant

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Gómez-Godínez, Lorena Jacqueline, José Luis Aguirre-Noyola, Esperanza Martínez-Romero, Ramón Ignacio Arteaga-Garibay, Javier Ireta-Moreno, and José Martín Ruvalcaba-Gómez. "A Look at Plant-Growth-Promoting Bacteria." Plants 12, no. 8 (2023): 1668. http://dx.doi.org/10.3390/plants12081668.

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Bacteria have been used to increase crop yields. For their application on crops, bacteria are provided in inoculant formulations that are continuously changing, with liquid- and solid-based products. Bacteria for inoculants are mainly selected from natural isolates. In nature, microorganisms that favor plants exhibit various strategies to succeed and prevail in the rhizosphere, such as biological nitrogen fixation, phosphorus solubilization, and siderophore production. On the other hand, plants have strategies to maintain beneficial microorganisms, such as the exudation of chemoattractanst for

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Zhu, Yanlei, and Xiaoping She. "Evaluation of the plant-growth-promoting abilities of endophytic bacteria from the psammophyteAmmodendron bifolium." Canadian Journal of Microbiology 64, no. 4 (2018): 253–64. http://dx.doi.org/10.1139/cjm-2017-0529.

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The objective of this study was to assess the plant-growth-promoting abilities of 45 endophytic bacterial isolates from Ammodendron bifolium through physiological characteristics detection and endophytic bacteria–plant interaction. Each of these isolates exhibited 1 or more plant-growth-promoting traits, but only 11 isolates belonging to the genera Bacillus, Staphylococcus, and Kocuria were capable of promoting seed germination and radicle growth. These results together with the results of the correlation analysis revealed that the completion of seed germination may not be due to IAA productio

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Glick, Bernard R. "Plant Growth-Promoting Bacteria: Mechanisms and Applications." Scientifica 2012 (2012): 1–15. http://dx.doi.org/10.6064/2012/963401.

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The worldwide increases in both environmental damage and human population pressure have the unfortunate consequence that global food production may soon become insufficient to feed all of the world's people. It is therefore essential that agricultural productivity be significantly increased within the next few decades. To this end, agricultural practice is moving toward a more sustainable and environmentally friendly approach. This includes both the increasing use of transgenic plants and plant growth-promoting bacteria as a part of mainstream agricultural practice. Here, a number of the mecha

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Silva, Mylenne Calciolari Pinheiro, Aline Fernandes Figueiredo, Fernando Dini Andreote, and Elke Jurandy Bran Nogueira Cardoso. "Plant growth promoting bacteria in Brachiaria brizantha." World Journal of Microbiology and Biotechnology 29, no. 1 (2012): 163–71. http://dx.doi.org/10.1007/s11274-012-1169-0.

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Al-Tammar, Fatimah K., and A. Y. Z. Khalifa. "Plant growth promoting bacteria drive food security." Brazilian Journal of Biology 82 (December 31, 2022): 1–11. https://doi.org/10.1590/1519-6984.267257.

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Al-Tammar, Fatimah K., Khalifa, A. Y. Z. (2022): Plant growth promoting bacteria drive food security. Brazilian Journal of Biology (e267257) 82: 1-11, DOI: 10.1590/1519-6984.267257, URL: http://dx.doi.org/10.1590/1519-6984.267257

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Saryanah, N. A., Y. P. Roswanjaya, S. Himawati, Sulastri, I. S. Bidara, and D. Iskandar. "Screening of plant growth-promoting bacterial endophytes and rhizobacteria isolated from Curcuma xanthorrhiza." IOP Conference Series: Earth and Environmental Science 913, no. 1 (2021): 012022. http://dx.doi.org/10.1088/1755-1315/913/1/012022.

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Abstract Bacterial endophyte and rhizobacteria were reported to associate with medicinal plants including Zingiberaceae plants and involved in growth promotion. These beneficial bacteria are promising candidates as biostimulants because of their ability in promoting plant growth. This study aims to evaluate the activity of endophytic and rhizosphere bacteria isolated from Curcuma xanthorrhiza (Javanese turmeric) in promoting rice seedling and Javanese turmeric growth. Fifty-seven of 150 total bacterial isolates with negative hemolysis and hypersensitivity reactions were characterized to invest

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Etesami, H., H. Mirsyedhosseini, and H. A. Alikhani. "Rapid Screening of Berseem Clover (Trifolium alexandrinum) Endophytic Bacteria for Rice Plant Seedlings Growth-Promoting Agents." ISRN Soil Science 2013 (June 19, 2013): 1–9. http://dx.doi.org/10.1155/2013/371879.

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A simple screening method to detect berseem clover (Trifolium alexandrinum) endophytic bacteria for rice plant growth-promoting agents on the basis of a root colonization bioassay and a plant growth promoting trait is characterized. Firstly, 200 isolates (80 endophytes and 120 rhizospheric isolates) isolated from berseem clover were inoculated as 10 mixtures of 20 strains each on two rice varieties under gnotobiotic conditions. Then, the reisolated endophytic strains from two rice varieties were characterized for plant growth promoting (PGP) traits. Secondly, the colonization and growth promot

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Sari, Indah Juwita, Indria Wahyuni, Rida Oktorida Khastini, et al. "Characterization of Plant Growth Promoting Rhizobacteria (PGPR) on Capcissum annum." Jurnal Biodjati 6, no. 2 (2021): 255–63. http://dx.doi.org/10.15575/biodjati.v6i2.13191.

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Plant Growth Promoting Bacteria Rhizobacteria (PGPR) is one of the potential bacteria to enhance of Capsicum annuum through inhabitation the growth of pathogenic fungi. This study aimed to characterize PGPR in chili plants (Capsicum annuum). PGPR was isolated from the soil habitat of the red chili plant in Cilegon, Indonesia. Screening was then carried out with the dual culture method on Petri dishes and tested through in vivo method on the red chili plant. The selected bacteria were characterized morphologically, biochemically, and physiologically. The results revealed that there were 14 sing

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Qaiser, Jamal, Lee Yong Seong, Jeon Hyeon Deok, and Kim Kil Young. "Effect of plant growth-promoting bacteria Bacillus amylliquefaciens Y1 on soil properties, pepper seedling growth, rhizosphere bacterial flora and soil enzymes." Plant Protection Science 54, No. 3 (2018): 129–37. http://dx.doi.org/10.17221/154/2016-pps.

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The Bacillus amyloliquefaciens Y1 strain was evaluated for its effects on soil properties, pepper seedling growth, rhizosphere bacterial flora and soil enzyme activities. Y1 solubilised insoluble phosphate, produced chitinase, and released siderophores in plate detection assay. In order to evaluate the plant growth promotion potential in vivo, strain Y1 was grown in media containing chitin powder and complex fertiliser. The pot experiment was conducted by treating pepper seedlings with C1/1 (Y1 culture, 50 ml), C2/3 (Y1 culture, 33 ml), C1/2 (Y1 culture, 25 ml), F1/1 (complex fertiliser, 50 ml

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Nguyen, Thi Phuong Vy, Thi Ngoc Thanh Dang, Thi Ngoc Thanh Dang, Van Ngot Pham, and Minh Tam Hoang. "Plant growth promotion characterization of endophytic bacteria from Sesbania sesban (L.) Merr. collected in Tan Hung district, Long An province, Vietnam." GSC Biological and Pharmaceutical Sciences 25, no. 2 (2023): 084–92. https://doi.org/10.5281/zenodo.10608651.

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The study aimed to isolate and characterize endophytic bacteria associated with <em>Sesbania sesban</em> (L.) Merr. collected in Tan Hung district, Long An province, Vietnam. Bacterial endophytes were isolated and screened capacity of plant growth promotion by using LGI, Burks’ nitrogen free, NBRIP medium. Quantifying bacterial strain’s probability of nitrogen fixation, phosphate solubilization and IAA production was based on colorimetric methods. Isolates with the most potential of nitrogen fixation, phosphate solubilization were identified by using MALDI-TOF Mass Spectr

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Tsalgatidou, Polina C., Eirini-Evangelia Thomloudi, Kallimachos Nifakos, Costas Delis, Anastasia Venieraki, and Panagiotis Katinakis. "Calendula officinalis—A Great Source of Plant Growth Promoting Endophytic Bacteria (PGPEB) and Biological Control Agents (BCA)." Microorganisms 11, no. 1 (2023): 206. http://dx.doi.org/10.3390/microorganisms11010206.

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The application of beneficial bacteria may present an alternative approach to chemical plant protection and fertilization products as they enhance growth and resistance to biotic and abiotic stresses. Plant growth-promoting bacteria are found in the rhizosphere, epiphytically or endophytically (Plant Growth Promoting Endophytic Bacteria, PGPEB). In the present study, 36 out of 119 isolated endophytic bacterial strains from roots, leaves and flowers of the pharmaceutical plant Calendula officinalis were further identified and classified into Bacillus, Pseudomonas, Pantoea, Stenotrophomonas and

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Peng, Haixin, Luz E. de- Bashan, and Brendan T. Higgins. "Comparison of algae growth and symbiotic mechanisms in the presence of plant growth promoting bacteria and non-plant growth promoting bacteria." Algal Research 53 (March 2021): 102156. http://dx.doi.org/10.1016/j.algal.2020.102156.

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Chavan, Sangeeta, and Vigneshwaran Nadanathangam. "Effects of Nanoparticles on Plant Growth-Promoting Bacteria in Indian Agricultural Soil." Agronomy 9, no. 3 (2019): 140. http://dx.doi.org/10.3390/agronomy9030140.

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Soil bacteria are some of the key players affecting plant productivity. Soil today is exposed to emerging contaminants like metal engineered nanoparticles. The objective of this study was to evaluate the toxicological effects of silver and zinc oxide nanoparticles on bacteria classified as plant growth-promoting bacteria. Three types of bacteria—nitrogen fixers, phosphate solubilizers, and biofilm formers—were exposed to engineered nanoparticles. Initially, the effect of silver and zinc oxide nanoparticles was determined on pure cultures of the bacteria. These nanoparticles were then applied t

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Voronina, Elena, Ekaterina Sokolova, Irina Tromenschleger, et al. "Properties of Potential Plant-Growth-Promoting Bacteria and Their Effect on Wheat Growth Promotion (Triticum aestivum) and Soil Characteristics." Microbiology Research 15, no. 1 (2023): 20–32. http://dx.doi.org/10.3390/microbiolres15010002.

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Plant-growth-promoting bacteria are an important economic and environmental resource as biofertilizers that can stimulate plant growth and improve agricultural yields. In this study, potential plant growth-promoting bacteria were isolated from soil samples collected in Russia. Strains that manifested active growth on a nitrogen-free medium, the Pikovskaya medium (with insoluble phosphates) and CAS (Chrome Azurol S) agar, were selected for the study. All bacterial isolates were identified by 16S rRNA gene sequencing analysis. Seventeen bacterial isolates of different species were purified and q

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Narayanan, Zareen, and Bernard R. Glick. "Secondary Metabolites Produced by Plant Growth-Promoting Bacterial Endophytes." Microorganisms 10, no. 10 (2022): 2008. http://dx.doi.org/10.3390/microorganisms10102008.

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There is an increasing interest in the use of beneficial microorganisms as alternatives to chemically synthesized or plant-derived molecules to produce therapeutic agents. Bacterial endophytes are plant-associated microorganisms that can colonize different parts of living plants without causing any diseases. Diverse endophytic bacteria possess the ability to synthesize a wide range of secondary metabolites with unique chemical structures that have been exploited for their anti-microbial, antiviral, anti-cancer, and anti-inflammatory properties. Additionally, production of these bioactive compo

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Sarawaneeyaruk, Siriruk. "Endophytic Plant Growth-Promoting Rhizobacteria Promote Dendrobium Orchid Growth." ASM Science Journal 18 (December 19, 2023): 1–7. http://dx.doi.org/10.32802/asmscj.2023.1071.

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Dendrobium orchid is one of the major export products of Thailand. Endophytic bacteria inhabiting the roots have the ability to promote plant growth. They could be used to replace the chemical fertiliser. In this study, 42 bacterial isolates were isolated from the orchid roots and were screened for plant growth- promoting rhizobacteria (PGPR). We selected six isolates that exhibited plant growth promotion (PGP) abilities, including siderophores, IAA, and ACC deaminase production, phosphate-solubilisation, and nitrogen-fixation. The 16S rRNA gene sequencing identified these isolates as Enteroba

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Thomas, Brianna O., Shelby L. Lechner, Hannah C. Ross, Benjamin R. Joris, Bernard R. Glick, and Ashley A. Stegelmeier. "Friends and Foes: Bacteria of the Hydroponic Plant Microbiome." Plants 13, no. 21 (2024): 3069. http://dx.doi.org/10.3390/plants13213069.

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Hydroponic greenhouses and vertical farms provide an alternative crop production strategy in regions that experience low temperatures, suboptimal sunlight, or inadequate soil quality. However, hydroponic systems are soilless and, therefore, have vastly different bacterial microbiota than plants grown in soil. This review highlights some of the most prevalent plant growth-promoting bacteria (PGPB) and destructive phytopathogenic bacteria that dominate hydroponic systems. A complete understanding of which bacteria increase hydroponic crop yields and ways to mitigate crop loss from disease are cr

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Zúñiga, Ana, María Josefina Poupin, Raúl Donoso, et al. "Quorum Sensing and Indole-3-Acetic Acid Degradation Play a Role in Colonization and Plant Growth Promotion of Arabidopsis thaliana by Burkholderia phytofirmans PsJN." Molecular Plant-Microbe Interactions® 26, no. 5 (2013): 546–53. http://dx.doi.org/10.1094/mpmi-10-12-0241-r.

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Although not fully understood, molecular communication in the rhizosphere plays an important role regulating traits involved in plant–bacteria association. Burkholderia phytofirmans PsJN is a well-known plant-growth-promoting bacterium, which establishes rhizospheric and endophytic colonization in different plants. A competent colonization is essential for plant-growth-promoting effects produced by bacteria. Using appropriate mutant strains of B. phytofirmans, we obtained evidence for the importance of N-acyl homoserine lactone-mediated (quorum sensing) cell-to-cell communication in efficient

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Surya, Sila, Sopialena, Sofian, and S. Jahira. "Microbia in Plant Growth Promoting Rhizobacteria Bamboo, Reed Grass and Banana." International Journal of Environmental & Agriculture Research 8, no. 7 (2022): 57–64. https://doi.org/10.5281/zenodo.6944847.

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<strong>Abstract</strong><strong>—</strong>Plant Growth Promoting Rhizocbacteria (PGPR) is a type of bacteria that lives around plant roots. These bacteria live in colonies covering the roots of plants so as to provide benefits for plants. The purpose of this study was to determine the types of bacteria found in PGPR bamboo roots, reed roots and banana roots. The research was conducted in the Plant Diseases Pests laboratory, Faculty of Agriculture, Mulawarman University. Isolation of PGPR bacteria was carried out by taking samples from the three PGPR solution materials. Then 2 ml of each

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Timofeeva, Anna M., Maria R. Galyamova, and Sergey E. Sedykh. "Plant Growth-Promoting Bacteria of Soil: Designing of Consortia Beneficial for Crop Production." Microorganisms 11, no. 12 (2023): 2864. http://dx.doi.org/10.3390/microorganisms11122864.

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Plant growth-promoting bacteria are commonly used in agriculture, particularly for seed inoculation. Multispecies consortia are believed to be the most promising form of these bacteria. However, designing and modeling bacterial consortia to achieve desired phenotypic outcomes in plants is challenging. This review aims to address this challenge by exploring key antimicrobial interactions. Special attention is given to approaches for developing soil plant growth-promoting bacteria consortia. Additionally, advanced omics-based methods are analyzed that allow soil microbiomes to be characterized,

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Fatima, Khadija, Sara Afzal, Ushna Gulab, Adnan Shoukat, and Iftikhar Ali. "Isolation and Characterization of Plant Growth Promoting Bacteria from Contaminated Soil and their Impact on Triticum Aestivum." TSF Journal of Biology 2, no. 1 (2024): 56–69. http://dx.doi.org/10.69547/tsfjb.020105.

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Plant growth promoting bacteria (PGPB) or plant growth promoting rhizobacteria (PGPR) are bacteria that exist in the rhizospheres of plant soil and form symbiotic relationships with the plant.Some of the methods through which PGPR aid in plant growth is by playing a role in nitrogen fixation, phosphate solubilization, iron chelation, reduction of heavy metal uptake by plant, reducing spread of plant diseases, secretion of phytohormones, significantly influencing root morphology and growth and by increasing the bio-availability of nutrients in the soil. One way to develop methods to cultivate t

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Glick, Bernard R., Damir M. Karaturovíc, and Peter C. Newell. "A novel procedure for rapid isolation of plant growth promoting pseudomonads." Canadian Journal of Microbiology 41, no. 6 (1995): 533–36. http://dx.doi.org/10.1139/m95-070.

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A rapid and novel procedure for the isolation of plant growth promoting rhizobacteria (PGPR) is described. This method entails screening soil bacteria for the ability to utilize the compound 1-aminocyclopropane-1-carboxylate (ACC) as a sole N source, a trait that is a consequence of the presence of the activity of the enzyme ACC deaminase. This trait appears to be limited to soil bacteria that are also capable of stimulating plant growth. Seven different soil samples from two geographically disparate locations were found to contain pseudomonads that were able to to utilize ACC as a N source. E

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Wahla, Verinder, and Shruti Shukla. "Plant growth promoting endophytic bacteria: Boon to agriculture." Environment Conservation Journal 18, no. 3 (2017): 107–14. http://dx.doi.org/10.36953/ecj.2017.18314.

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R, Anand, and Kulothungan S. "Plant Growth Promoting Activity Of Antagonistic Soil Bacteria." International Journal on Applied Bio-Engineering 4, no. 1 (2010): 14–19. http://dx.doi.org/10.18000/ijabeg.10054.

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Rathod, Mayuri C., and D. A. Dhale. "Plant Growth Promoting Endophytic Bacteria from Zyzypus mauritiana." International Journal of Current Microbiology and Applied Sciences 5, no. 8 (2016): 59–70. http://dx.doi.org/10.20546/ijcmas.2016.508.007.

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Ambardar, Sheetal, and Jyoti Vakhlu. "Plant growth promoting bacteria from Crocus sativus rhizosphere." World Journal of Microbiology and Biotechnology 29, no. 12 (2013): 2271–79. http://dx.doi.org/10.1007/s11274-013-1393-2.

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Balcazar, Wilvis, Johnma Rondón, Marcos Rengifo, et al. "Bioprospecting glacial ice for plant growth promoting bacteria." Microbiological Research 177 (August 2015): 1–7. http://dx.doi.org/10.1016/j.micres.2015.05.001.

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Starikov, S. N., D. V. Chetverikova, and S. P. Chetverikov. "DESTRUCTION OF PHYTOHORMONES BY PLANT GROWTH-PROMOTING BACTERIA." ÈKOBIOTEH 6, no. 4 (2023): 217–26. http://dx.doi.org/10.31163/2618-964x-2023-6-4-217-226.

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Phytohormones serve as regulators of plant growth and development, playing a fundamental role in the adaptation and survival of plants under different conditions. It is well-known that bacteria have the ability to influence plant physiology by producing phytohormones or decreasing their concentration in plant tissues and the surrounding environment through degradation or transformation. Studying these processes is crucial for a deeper comprehension of plant-microorganism interactions. This study presents the capability of bacteria that promote plant growth and development to degrade phytohormo

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Saadaoui, Nora, Allaoua Silini, Hafsa Cherif-Silini, et al. "Semi-Arid-Habitat-Adapted Plant-Growth-Promoting Rhizobacteria Allows Efficient Wheat Growth Promotion." Agronomy 12, no. 9 (2022): 2221. http://dx.doi.org/10.3390/agronomy12092221.

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Plant-growth-promoting rhizobacteria (PGPR) introduced into agricultural ecosystems positively affect agricultural production and constitute an ecological method for sustainable agriculture. The present study demonstrated the effects of two PGPR, Pantoea agglomerans strain Pa and Bacillus thuringiensis strain B25, on seed germination, on the plant growth of two durum wheat varieties, Bousselam and Boutaleb, and on the frequency of the cultivable beneficial bacterial community. The bacterial strains were used as seed primers (individually or in consortia) by coating them with carboxymethyl cell

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