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Iron Deficiency in Tomatoes Reversed by Strains: A Synergistic Role of Siderophores and Plant Gene Activation.
Plants (Basel)
December 2024
Plant Physiology, Pharmaceutical and Health Sciences Department, Faculty of Pharmacy, San Pablo-CEU Universities, 28668 Boadilla del Monte, Spain.
An alkaline pH in soils reduces Fe availability, limiting Fe uptake, compromising plant growth, and showing chlorosis due to a decrease in chlorophyll content. To achieve proper Fe homeostasis, dicotyledonous plants activate a battery of strategies involving not only Fe absorption mechanisms, but also releasing phyto-siderophores and recruiting siderophore-producing bacterial strains. A screening for siderophore-producing bacterial isolates from the rhizosphere of was carried out, resulting in two strains, Z8.
View Article and Find Full Text PDFThe Crossregulation Triggered by Strains Is Strain-Specific and Improves Adaptation to Biotic and Abiotic Stress in Arabidopsis.
Plants (Basel)
December 2024
Faculty of Pharmacy, Universidad San Pablo-CEU Universities, 28668 Madrid, Spain.
Plants are sessile organisms that overcome environmental stress by activating specific metabolic pathways, leading to adaptation and survival. In addition, they recruit beneficial bacterial strains to further improve their performance. As plant-growth-promoting rhizobacteria (PGPR) are able to trigger multiple targets to improve plant fitness, finding effective isolates for this purpose is of paramount importance.
View Article and Find Full Text PDFEffect of Herbicide-Resistant Oil-Degrading Bacteria on Plants in Soil Contaminated with Oil and Herbicides.
Plants (Basel)
December 2024
Ufa Institute of Chemistry, Ufa Federal Research Centre, Russian Academy of Sciences, Ufa 450054, Russia.
Biological remediation of agricultural soils contaminated with oil is complicated by the presence of residual amounts of chemical plant protection products, in particular, herbicides, which, like oil, negatively affect the soil microbiome and plants. In this work, we studied five strains of bacteria of the genera and , which exhibited a high degree of oil biodegradation (72-96%). All strains showed resistance to herbicides based on 2,4-D, imazethapyr and tribenuron-methyl, the ability to fix nitrogen, phosphate mobilization, and production of indole-3-acetic acid.
View Article and Find Full Text PDFEssential Oils Obtained from Sicilian Blanco By-Products: Antibacterial and Allelopathic Activity.
Plants (Basel)
December 2024
Department of Life Science, Health, and Health Professions, University of Rome "Link Campus", 00165 Rome, Italy.
Mandarin, one of the winter fruits commonly used in the preparation of foods and juices, is a fruit native to China and Southeast Asia. In this work, essential oils (EOs) obtained from by-products of the Blanco flavedo of five cultivars present and cultivated within the Botanical Garden of Palermo were chemically and biologically studied: 'Avana' (), 'Tardivo di Ciaculli' (), 'Bombajensis' (), 'Aurantifolia' (), and 'Padre Bernardino' (). The GC and GC-MS analysis performed on all the extracted samples clearly highlighted the notable presence of limonene, a characteristic hydrocarbon monoterpene of EOs of the genus.
View Article and Find Full Text PDFThe Influence of Plant Growth-Stimulating Bacteria on the Glutathione-S-Transferase Activity and the Toxic Effect of the Herbicide Metsulfuron-Methyl in Wheat and Canola Plants.
Toxics
December 2024
Ufa Institute of Biology of Ufa Federal Research Centre of the Russian Academy of Sciences, 450054 Ufa, Russia.
The ability of some rhizosphere bacteria to mitigate herbicidal stress in cultivated plants may be useful in agriculture and bioremediation. There is poor understanding of how bacteria directly or through herbicide degradation affect the biochemical processes in plants exposed to sulfonylurea herbicides. In this study, treatment with a combination of herbicide metsulfuron-methyl (MSM) and bacteria ( DA1.
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