Article
Plant Sciences
Piotr Koczorski, Bliss Ursula Furtado, Marcin Golebiewski, Piotr Hulisz, Christel Baum, Martin Weih, Katarzyna Hrynkiewicz
Summary: The study revealed that the low availability of phosphorus in soil is mainly caused by the high iron content in the clay fraction that binds to phosphorus, making it unavailable. The level of plant association, plant genotype, and environmental conditions all have significant effects on the abundance and diversity of phosphorus solubilizing microorganisms in soil.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Agronomy
Mathiyazhagan Narayanan, Arivalagan Pugazhendhi, Selvaraj David, Nguyen Thuy Lan Chi, Omaima Nasif, Sulaiman Ali Alharbi, Ying Ma
Summary: The current study identified Kosakonia sp. MGR1 as a nitrogen-fixing and plant growth-promoting rhizobacterium from the rhizosphere of Arachis hypogaea L. This isolate showed excellent production of indole-3-acetic acid (IAA) and phosphate solubilization efficiency. Under optimal growth conditions, it exhibited high levels of IAA, nitrogen, and soluble phosphate, resulting in enhanced growth and biomolecule contents of A. hypogaea L.
Article
Plant Sciences
Christian W. Kuppe, Guy J. D. Kirk, Matthias Wissuwa, Johannes A. Postma
Summary: This passage describes a phosphorus uptake model for a phosphorus-efficient rice genotype. The model takes into account root morphology, pH changes, and the influence of root structures on phosphorus uptake.
PLANT CELL AND ENVIRONMENT
(2022)
Article
Plant Sciences
Tahir Naqqash, Mahreen Fatima, Saif-ur-Rehman, Sherien Bukhat, Muhammad Shahid, Ghulam Shabir, Muhammad Tahir, Muhammad Arshad, Muhammad Babar
Summary: This study isolated Enterobacter spp. microbes with potential to promote plant growth from the rhizosphere of Cyperus rotundus L., demonstrating their effectiveness as biofertilizers without affecting normal plant growth. The isolated strains showed various plant growth-promoting traits and significantly improved wheat plant growth and photosynthetic machinery in greenhouse experiments. These findings highlight the importance of exploring weed rhizosphere for novel beneficial microbes for sustainable agriculture practices.
JOURNAL OF PLANT GROWTH REGULATION
(2022)
Article
Biotechnology & Applied Microbiology
Wissal Elhaissoufi, Ammar Ibnyasser, Meryem Haddine, Youssef Zeroual, Rachid Ghani, Abdellatif Barakat, Zineb Rchiad, Cherki Ghoulam, Adnane Bargaz
Summary: Current screening protocols for phosphate solubilizing bacteria (PSB) only consider halo-forming and high PS capacity bacteria, underestimating the potential of non-halo-forming PSB. This study examined the phosphorus solubilization rate and plant growth promotion ability of different PSB categories and found that non-halo-forming PSB can also have positive effects on plant growth.
JOURNAL OF APPLIED MICROBIOLOGY
(2022)
Article
Microbiology
Yelena V. Brazhnikova, Alexander I. Shaposhnikov, Anna L. Sazanova, Andrey A. Belimov, Togzhan D. Mukasheva, Lyudmila V. Ignatova
Summary: A large-scale screening of 848 culturable soil and endophytic filamentous fungi and yeasts was conducted, and five strains with the highest phosphate-mobilizing ability were identified. These strains solubilized calcium, aluminum, iron phosphates, and calcium phytate through acidification of the medium, organic acid release, and phosphatase activity. They also increased available phosphorus concentration in soil and produced phytohormones that promoted plant growth.
CURRENT MICROBIOLOGY
(2022)
Article
Agronomy
Abdelali Idrissi Lahsini, Abdessamad Sallami, El Houcine Ait-Ouakrim, Hanane El Khedri, Morad Obtel, Allal Douira, Cherkaoui El Modafar, Noreddine Benkerroum, Chouhra Talbi, Abdelghani Chakhchar, Abdelkarim Filali-Maltouf
Summary: The study aimed to isolate and identify rhizobacteria with plant growth-promoting (PGP) properties from the rhizosphere of olive tree groves in southern Morocco. The selected isolates showed good tolerance to high temperature and salinity stress and exhibited PGP activities such as hormone production and phosphate solubilization. Molecular identification revealed that the isolates belonged to multiple genera. Three bacterial strains with excellent tolerance and multi-trait PGP activities were selected for further research and application.
Article
Microbiology
Piotr Koczorski, Bliss Ursula Furtado, Marcin Golebiewski, Piotr Hulisz, Dominika Thiem, Christel Baum, Martin Weih, Katarzyna Hrynkiewicz
Summary: Phosphorus is an essential plant nutrient that can limit plant growth due to low availability in the soil. This study investigated the impact of plant species, plant association with bacteria, and environmental factors on the abundance and diversity of phosphorus-solubilizing bacteria in willow short-rotation coppices. The results showed that soil properties and plant-bacteria association were the main factors shaping the bacterial communities.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Environmental Sciences
Dahui Zhu, Yaxin Niu, Keke Fan, Fujun Zhang, Yu Wang, Gejiao Wang, Shixue Zheng
Summary: This study found that the selenium-oxidizing Agrobacterium sp. T3F4 strain can steadily colonize soil and plant tissues, leading to increased absorption of selenium by plants through selenium oxidation in the soil.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Environmental
Luchao Han, Xiao Wang, Bengang Li, Guofeng Shen, Shu Tao, Bo Fu, Yunman Han, Wei Li, Shengxing Long, Siyuan Peng, Jing Xu
Summary: In this study, a novel Mg-modified lignin biochar (MB) was prepared to improve the ability of phosphate-solubilizing bacteria (PSB) to dissolve FePO4. The results showed that the system with MB was more effective in increasing FePO4 dissolution and organic acid production. Characterization results revealed the formation of Fe(III)(2)Fe(II)(P2O7)(2) crystals on the surface of MB, which increased the solubility of Fe-P. This study provides a new method for the development of insoluble phosphate solubilization technology.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Microbiology
Adnane Bargaz, Wissal Elhaissoufi, Said Khourchi, Bouchra Benmrid, Kira A. Borden, Zineb Rchiad
Summary: Research on plant growth promoting bacteria, especially P solubilizing bacteria (PSB), continues to be a priority in agricultural institutions for enhancing efficient phosphorus (P) utilization in crop production. New lines of research are focusing on optimizing the PSB-fertilizer-crop root interaction to improve P efficiency and agricultural performance. The systematic changes caused by PSB on crop roots and the agronomic profitability of PSB co-application with fertilizers in amended soils and inoculated crops are key areas of interest in current research.
MICROBIOLOGICAL RESEARCH
(2021)
Article
Microbiology
Ramandeep Kaur, Sanjai Saxena
Summary: In this study, 61 endophytic isolates associated with the wheat variety PBW725 were screened. Three isolates showed minimal reduction in growth and maximum biomass production under drought stress, and exhibited traits such as production of growth-promoting substances, phosphate and zinc solubilization, siderophore production, and extracellular enzymatic activities that contribute to plant adaptability to abiotic stresses. Among them, Penicillium citrinum #5TAKL-3a was identified as the best isolate and has the potential to improve wheat adaptability to drought stress as a bioinoculant in field trials.
CURRENT MICROBIOLOGY
(2023)
Article
Microbiology
Mohammad Yaghoubi Khanghahi, Sabrina Strafella, Ignazio Allegretta, Carmine Crecchio
Summary: This research identified 12 bacterial strains with the ability to fix nitrogen, solubilize phosphates, potassium, and zinc, and thrive under various environmental conditions. Certain bacterial families were found to be more abundant in NT samples compared to CT, with significant differences in the relative abundance of Pseudomonadaceae. These strains can be recommended as plant growth promoters across a wide range of pH levels, salinity, and temperatures.
CURRENT MICROBIOLOGY
(2021)
Article
Plant Sciences
Christopher Ngosong, Blaise Nangsingnyuy Tatah, Marie Noela Enyoe Olougou, Christopher Suh, Raymond Ndip Nkongho, Mercy Abwe Ngone, Denis Tange Achiri, Gylaine Vanissa Tchuisseu Tchakounte, Silke Ruppel
Summary: Soybean cultivation is important for its role as a dietary protein source and soil fertility enhancer, but nutrient deficiencies limit its production. Inoculation with plant growth-promoting bacteria and arbuscular mycorrhiza fungi, along with the addition of NPK fertilizers, can improve soybean performance. These findings highlight the importance of farm management practices and microbial activities in the rhizosphere for soybean yield and quality.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Microbiology
Claudia Breitkreuz, Thomas Reitz, Elke Schulz, Mika Tapio Tarkka
Summary: Climate and plant community composition influence the structure and function of microbial communities, particularly impacting nutrient-releasing populations of the Pseudomonas community. Drought has a significant impact on the functional traits of the Pseudomonas community, with varying effects on phosphate solubilization and siderophore production. The response of the Pseudomonas community to drought is trait-specific and influenced by plant community composition.