-Mediated Recruitment of Selenium-Oxidizing Bacteria Promotes Plant Selenium Uptake.

Plants can shape their root microbiome to promote growth and selenium uptake. Here, we used metagenomics, 16S high-throughput sequencing, and liquid chromatography-mass spectrometry (LC-MS) metabolomics assays to investigate the role of , which is the major selenium transporter gene, in recruiting microbial communities to regulate soil selenium bioavailability and plant selenium uptake. Results shows that the overexpression of in tomato significantly enriched genus.

Dynamic and Stable Core Microbiota Assist Plants in Enriching Selenium and Reducing Cadmium Absorption.

Rhizosphere microbiome is crucial for regulating rhizosphere complex nutrient dynamics. However, mechanisms by which plants regulate rhizosphere microbes to manage nutrient availability under coexisting beneficial and harmful elements remain unclear. This study focuses on the rhizosphere microbiome of Brassica napus in different naturally selenium (Se)-cadmium (Cd)-rich soils, the functionality of this rhizosphere, and the changes in the availability of rhizosphere nutrients.

Molybdenum tolerance of strains screened from molybdenum tailings and their potential application in molybdenum-contaminated soils.

Mining and smelting activities of molybdenum (Mo) have led to increasingly severe Mo pollution in the environment, posing potential threats to ecosystems and human health. Microbial remediation technology has emerged as an effective approach for reducing Mo pollution due to its environmental friendliness and cost-effectiveness. In this study, two Mo (Ⅵ) tolerant strains (MoTB 2 and MoTB 79) with exceptional Mo reduction capacities were isolated and identified from the rhizosphere soil of pioneer plants in Mo-contaminated tailings.

Selenium: The Toxicant for Pathogen and Pest but the Guardian of Soil and Crop.

Selenium (Se) is an essential micronutrient for higher organisms and plays a beneficial role in plant growth and development. In recent years, there has been growing interest in the using of Se to enhance plant resilience, particularly in mitigating the effects of diseases and pests in agricultural systems. This review offers a comprehensive analysis of the sources and chemical forms of Se in soil, investigates the mechanisms of plant uptake and metabolism of different Se forms, and evaluates the physical and chemical inhibition of pathogens by various Se forms, as well as the role of Se in enhancing plant systemic resistance for crop protection.

Potassium Promotes Citric Acid Accumulation by Regulating Its Synthesis and Vacuole Storage in Newhall Navel Orange ().

Potassium (K) is recognized as a crucial element affecting fruit flavor quality and influences the accumulation of citric acid (CA). To gain deeper insights into how K regulates CA accumulation, we investigated CA synthesis in mitochondria, decomposition pathways, and vacuolar storage under both pot and field culture in Newhall navel orange (). Our findings demonstrated that an appropriate level of K enhanced CA concentrations primarily by modulating CA synthesis, as evidenced by the increased activities and gene expressions of citrate synthase (CS) and phosphoenolpyruvate carboxylase (PEPC) in the early stages of fruit development.

DL-alanine promotes the colonization of Pseudomonas aeruginosa and their synergistic enrichment of selenium and decrease of cadmium absorption by Brassica napus.

In selenium-rich regions, selenium and cadmium coexist in soil, posing a threat to agricultural product safety. This study explores the influence of Pseudomonas aeruginosa and DL-alanine on selenium and cadmium uptake in Brassica napus. Through pot and medium experiments, along with FTIR and XPS analyses, we found that DL-alanine significantly boosts Pseudomonas aeruginosa biofilm formation and root colonization.

Effect of molybdenum supply on crop performance through rhizosphere soil microbial diversity and metabolite variation.

Molybdenum (Mo) deficiency is a global problem in acidic soils, limiting plant growth, development, and nutrient availability. To address this, we carried out a field study with two treatments, i.e.

Metabolism Interaction Between Bacillus cereus SESY and Brassica napus Contributes to Enhance Host Selenium Absorption and Accumulation.

The use of beneficial bacteria to enhance selenium absorption in crops has been widely studied. However, it is unclear how the interaction between bacteria and plants affects selenium absorption in crops. Here, pot experiments and Murashige and Skoog medium (MS) experiments were performed.

Combining citrus waste-derived function microbes with biochar promotes humus formation by enhancing lignocellulose degradation in citrus waste compost.

The low degradation rate of lignocellulose limits the humification process of citrus organic waste composting. This study explored the roles of general microbial inoculation (GM), citrus waste-derived function microbial inoculation (CM), and CM combined with biochar (CMB) in citrus waste compost. Results showed microbial inoculations all promoted lignocellulose degradation and humus formation, but the roles of CM and CMB were better than GM, especially CMB.

Potassium stimulates fruit sugar accumulation by increasing carbon flow in .

Soluble sugars contribute to the taste and flavor of citrus fruit. Potassium (K), known as a quality element, plays key roles in improving sugar accumulation and fruit quality, but the mechanism is largely unknown. This study aims to elucidate how K improves sugar accumulation by regulating carbon flow from source leaves to fruit in Newhall navel orange.

Effects of nano-MoO on growth, quality and toxicity of soybean.

Background: Metal nanoparticles are widely used in agricultural production. As a new type of molybdenum fertilizer, MoONPs have the properties of nanomaterials and the characteristics of molybdenum nutrition. Previous studies have focused on their role in promoting crop growth.

Characteristics of Rhizosphere Microbiome, Soil Chemical Properties, and Plant Biomass and Nutrients in cv. Shatangju Exposed to Increasing Soil Cu Levels.

The prolonged utilization of copper (Cu)-containing fungicides results in Cu accumulation and affects soil ecological health. Thus, a pot experiment was conducted using cv. Shatangju with five Cu levels (38, 108, 178, 318, and 388 mg kg) to evaluate the impacts of the soil microbial processes, chemistry properties, and citrus growth.

Selenium-Mediated Shaping of Citrus Rhizobiome for Promotion in Root Growth and Soil Phosphorus Activation.

Selenium (Se) has been widely reported to affect plant growth, nutrient cycling, and the rhizobiome. However, how Se shapes the rhizobiome and interacts with plants remains largely elusive. Pot and hydroponic experiments were employed to elucidate the regulatory mechanism of Se in the citrus rhizobiome.

Combined dynamic transcriptome and flavonoid metabolome reveal the role of Mo nanoparticles in the nodulation process in soybean.

Symbiotic nitrogen fixation can reduce the impact of agriculture on the environment by reducing fertilizer input. The rapid development of nanomaterials in agriculture provides a new prospect for us to improve the biological nitrogen fixation ability of leguminous crops. Molybdenum is an important component of nitrogenase, and the potential application of MoONPs in agriculture is largely unexplored.

Selenium in soil enhances resistance of oilseed rape to Sclerotinia sclerotiorum by optimizing the plant microbiome.

Plants can recruit beneficial microbes to enhance their ability to resist disease. It is well established that selenium is beneficial in plant growth, but its role in mediating microbial disease resistance remains poorly understood. Here, we investigated the correlation between selenium, oilseed rape rhizosphere microbes, and Sclerotinia sclerotiorum.

Nano molybdenum trioxide-mediated enhancement of soybean yield through improvement of rhizosphere soil molybdenum bioavailability for nitrogen-fixing microbial recruitment.

Molybdenum (Mo) plays a pivotal role in the growth and nitrogen-fixing process of plants mediated by rhizobia. However, the influence of nano‑molybdenum trioxide (MoONPs) on soybean growth, rhizosphere bioavailable Mo, and nitrogen-fixing microorganisms remains underexplored. Here, we report that compared with that of ionic Mo and bulk MoO, the utilization of MoONPs (specifically NPs0.

Effects of molybdenum supply on microbial diversity and mineral nutrient availability in the rhizosphere soil of broad bean (Vicia Faba L.).

Molybdenum application holds the potential to enhance agricultural productivity. However, the precise impact on soil microbial diversity and mineral nutrient availability remains uncertain. In this study, we collected rhizosphere soil samples from different growth stages of broad beans.

Identification of lncRNA-miRNA-mRNA ceRNA network as biomarkers for acute kidney injury.

Objective: Acute kidney injury (AKI) is a global problem due to its high morbidity and mortality. The aim of this study was to identify the key RNAs involved in the ischemia/reperfusion (I/R) or cisplatin (CIS) induced AKI.

Methods: Gene Expression Omnibus database was used to download the microarray dataset GSE106993, GSE130814 and GSE98622.

Se Ameliorates Cd Toxicity in Oilseed rape (Brassica napus L.) Seedlings by Inhibiting Cd Transporter Genes and Maintaining root Plasma Membrane Integrity.

Se (Selenium) has been reported to be an important protective agent to decreases Cd (Cadmium) induced toxic in plants. However, it remains unclear how Se mitigates the uptake of Cd and increased the resistance to Cd toxicity. Hydroponic experiments were arranged to investigate the changes of physiological properties, root cell membrane integrity and Cd-related transporter genes in rape seedlings.

Revealing the Mechanistic Basis of Regulation of Phosphorus Uptake in Soybean () Roots by Molybdenum: An Integrated Omics Approach.

While molybdenum (Mo) application can improve phosphorus (P) availability to plants by changing P speciation in the rhizosphere, the mechanistic basis of this process remains unclear. This work investigated the impact of various combinations of Mo and P treatments on root morphology, P and Mo uptake, and root transcriptome and metabolome. Mo application significantly increased soybean biomass and the number of lateral roots at both low (5 μmol) or normal (500 μmol) P levels and significantly improved P concentration and accumulation in Normal P treatment.

Selenium-induced rhizosphere microorganisms endow salt-sensitive soybeans with salt tolerance.

Soil salinization is a prevalent abiotic stress that adversely affects soybean production. Rhizosphere microorganisms have been shown to modulate the rhizosphere microenvironment of plants, leading to improved stress resistance. Selenium is known to optimize the rhizosphere microbial community, however, it remains uncertain whether selenium-induced rhizosphere microorganisms can enhance plant salt tolerance.

The role of phosphorus speciation of biochar in reducing available Cd and phytoavailability in mining area soil: Effect and mechanism.

The effect of phosphorus (P) speciation in biochar on soil available Cd and its mechanism to alleviate plant Cd stress remain largely unknown. Here, ammonium polyphosphate (PABC)-, phosphoric acid (PHBC)-, potassium dihydrogen phosphate (PKBC)-, and ammonium dihydrogen phosphate (PNBC)-modified biochar were used to investigate P speciation. The Cd immobilization mechanism of biochar was analyzed by XPS and P NMR, and the soil quality and the mechanism for the biochar to alleviate Cd stress were also determined.