Three-way ANOVAs were performed to determine effects of artificial root exudates, soil microbial community composition, and soil mineralogy on response variables in Phase 1. ANOVAs on Phase 2 data ...

knowledge gap is how plants alter root exudate concentration and composition under varying stress. levels. In a greenhouse study, we imposed three drought treatments (control, mild, severe) on ...

The primary role of roots are to support the plant and anchor the growth by absorption of mineral nutrient form the soil. Root performs several other important functions other than their primary role. One of the important functions of roots is secretion of organic compound in rhizosphere zone called root exudates.

The mineral composition of the sand substrates was determined as more than 98% quartz, whereas the clay was a mixture of 51% opal-CT, 37% mica-illite, 10% quartz, and trace amounts of K-feldspar and calcite (Figure S1).

bacteria depending on root exudate chemistry, andanalyzed. the consequences onthe mobility of mineral-protected carbon. Using well-controlled. incubation. experiments ...

Introduction. Plant roots constantly exude compounds of the primary and secondary metabolism into the rhizosphere. Such exudates serve for nutrient acquisition and interaction of the plant with the root surrounding environment [1,2].Their release is controlled and adjusted to the needs of a plant as well as to abiotic and biotic factors …

Summary. Root exudates are a group of chemical compounds released from plant roots, which contains the ability to alter the activity of soil and microbes below the …

The composition of root exudates is a main mechanism for selec-tive recruitment of microorganisms to the rhizosphere and adaptation to abioticstress conditions (Trivedi etal. 2020). Inmaize, thecompo-sition of root exudates differs between plant genotypes and in response to changes in the availability of nitrogen, P, potassium, and

Mineral protection of soil carbon counteracted by root exudates. Marco Keiluweit1,2*, Jeremy J. Bougoure2,3, Peter S. Nico4, Jennifer Pett-Ridge2, Peter K. Weber2 and Markus Kleber1,5. Multiple ...

In contrast, short-term changes in exudate composition, at meaningful concentrations, may have little impact on microbial function and composition. ... Root exudates as mediators of mineral acquisition in low-nutrient environments. Plant Soil 245, 35–47. doi: 10.1023/A:1020809400075. CrossRef Full Text | Google Scholar. Degens, B. …

63 ug. Vitamin B-6. 0.29 mg. Magnesium. 57 mg. Plantains are a poor source of protein and fat, so they only represent one part of a healthy, balanced diet — similar to many grains in the United ...

Root exudate composition mirrored the physiological gradient of drought severity ... Organic acids in root exudates can also liberate organic matter from minerals and increase organic matter OPEN ...

Plantains have a high nutritional value since they contain resistant starch, phenolic acids, minerals, and vitamins A and C that benefit human health. Banana is an excellent source of vitamin B6.

Aims Low-molecular-weight organic anions (carboxylates) influence rhizosphere processes and may enhance plant phosphorus acquisition. We examined the root exudate profile of a range of pasture and grain legumes and focused on the little-investigated carboxylate, citramalate. Methods Twelve species of pasture legumes and …

Plant-induced changes in chemistry can lead to weathering of minerals (Uroz, Kelly, Turpault, Lepleux, & Frey-Klett, 2015) and alter the composition of microbial communities (Carson, Rooney, Gleeson, & Clipson, 2007). Further, root exudates can enhance root penetration of soils (Oleghe et al., 2017).

Using comparative genomics and exometabolomics, the authors characterize the chemical composition of plant root exudates and show that this chemical succession is a likely driver of microbial ...

Okorie et al. [56] looked at the mineral and heavy metal content of the peels of unripe plantains, ripe plantains, unripe bananas, and ripe bananas in an effort to promote the bioconversion of PBB ...

Non-targeted metabolomics analysis of root exudates. The composition and relative abundance of root exudates of the three plant species were analyzed through non-targeted metabolomics using gas ...

A comprehensive review of root exudates as mediators of mineral acquisition in low-nutrient environments is covered by Dakora and Phillips and Bais et al. ). 1.5 Influence ... Methods used for determining the composition of exudate compounds have been oriented toward water-soluble and nonvolatile compounds in the early days, …

In a greenhouse study, we imposed three drought treatments (control, mild, severe) on blue grama (Bouteloua gracilis Kunth Lag. Ex Grifiths), and measured plant physiology and root exudate concentration and composition using GC–MS, NMR, and FTICR. With increasing drought severity, root exudate total C and organic C increased concurrently with ...

Root exudates comprise a large variety of compounds released by plants into the rhizosphere, including low-molecular-weight …

Root exudates, as an important form of material input from plants to the soil, regulate the carbon input and efflux of plant rhizosphere soil and play an important role in maintaining the carbon and nutrient balance of the whole ecosystem. Root exudates are notoriously difficult to collect due to their underlying characteristics (e.g., low …

1 Citations. 14 Altmetric. Metrics. Abstract. Background. The rhizosheath, a cohesive soil layer firmly adhering to plant roots, plays a vital role in facilitating water and …

Therefore, root exudate composition has been observed to differ between droughted, control, and recovering plants 11, 31. This suggests that different drought severity levels may also induce different shifts in root exudate concentration and composition, which may be linked to stress-induced shifts in C allocation and physiology.

Effect of soil treatment on exudate composition. The metabolomic composition of exudates collected from plants grown under the different soil treatments (control, drought-stressed and sterilised ...

Open wounds produce a fluid that in a cavity wound. is known as exudate. Exudate has been described as 'wound that allow cells to metabolise, fluid', 'wound drainage' or 'an helping tissue-repairing cells to excess of normal fluid' (WUWHS, migrate to where they are needed, 2007) (Figure 1). However, and allowing dead or damaged ...

Abstract Tomato plants (Lycopersicum esculentum cv. Prisca) were grown on perlite (or rock‐wool substrate) in a glasshouse. Xylemic sap was collected hourly for 24 to 48 hours after cutting the stem below the cotyledons, and the mineral composition of these xylemic exudates was determined. The influence of time between excision and collection on the …

Root growth and exudates exert dynamic changes in the rhizosphere physical properties and hydraulic processes that affect soil nutrient dynamics and the composition of the rhizosphere associated ...

Here, root exudates and microbial communities are found to drive mineral dissolution and the formation of nano-size minerals in soils. These neo-formed minerals …

Organic compounds released by plant roots may be protected from microbial decomposition through mineral-organic association. Yet, the adsorption characteristics of root exudates organic compounds by 2:1 clay minerals and the underlying mechanisms remain not fully understood. This study considers glucose and oxalic acid separately and …