Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 40 for “"plant-microbe interactions"”.
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Disentangling plant-microbe interactions under environmental change
… carbon: nitrogen (C:N) ratios and shifting plant-microbial interactions, on which plants are largely dependent. This thesis addresses the potential impacts on plant-microbial interactions under different C:N fertiliser regimes and water-availability by analysing the overall and N-cycling …
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Abiotic and Biotic Factors Shaping Plant-Microbe Interactions
Symbioses between plants and soil microbes can shape plant traits and performance, population dynamics, community composition, and ecosystem function. However, the context-dependency of plant-microbe interactions remains an underexplored frontier of scientific understanding. Given that the biotic …
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Rooting microbes in plant adaptation: The evolution of locally adaptive plant-microbe interactions
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms
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SIMPLE ORGANIC FERTILIZER AMENDMENTS FOR FARMING IN DEGRADED SOILS: EFFECTS ON PLANT-MICROBE INTERACTIONS
… and microbial diversity to the soil. Overall plant biomass, culturable microbial diversity, microbial functional diversity via community-level physiological profiling, soil water holding capacity, soil microbial carbon, microbial biomass carbon, and soil carbon dioxide fluxes were all …
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Pseudomonas/Brachypodium as a Model System for Studying Rhizosphere Plant Microbe Interactions Under Water Stress
… well-studied mechanisms of drought tolerance in plants, the interactions between plants and their microbiome during water stress are still poorly understood. This missing knowledge is crucial for the exploitation of beneficial microbial communities to improve the sustainability of agriculture …
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IMPROVING CANNABIS SATIVA'S PHYTOREMEDIATION CAPABILITIES OF FOREVER CHEMICALS THROUGH MICROBIAL INOCULATIONS
… strategy for mitigating PFAS contamination, and plant-microbe interactions may influence contaminant uptake and transport within plant systems. These studies investigated microbial inoculation methods and examined whether Bacillus subtilis could influence the uptake and distribution of …
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Implementation of genetic and untargeted metabolomics to study the role of the terpene synthase vir4 from Trichoderma virens in plant-microbe interactions : A thesis submitted in partial fulfilment of the requirements for the Degree of Doctor of Philosophy at Lincoln University
Trichoderma virens actively interacts with plants roots in natural and agricultural ecosystems. Its ability to persist in the rhizosphere and to internally colonise plants roots is driven among others by the production of a wide diversity of specialised metabolites that encompass a complex bouquet …
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Comparative analysis of membrane-associated signatures at mutualistic and pathogenic plant-microbe interfaces
Plants interact with a diverse range of microbes, both above and below ground, spanning a spectrum from mutualistic relationships (where both partners benefit) to parasitic interactions (where the microbe benefits at the plant’s expense). Many interactions between plants and filamentous microbes …
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GENOMIC AND PHYSIOLOGICAL INSIGHTS INTO BACTERIAL HEAVY METAL RESISTANCE MECHANISMS FOR ENVIRONMENTAL DECONTAMINATION
… balance and human health. Microorganisms and plants have evolved a range of mechanisms to tolerate, transform and immobilize these pollutants, offering opportunities for sustainable bioremediation strategies. The aim of this PhD thesis was to investigate how bacteria can contribute to the …
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A comprehensive microbiome analysis of wheat and its wild relatives
… that can confer competitive advantages to their plant hosts such as water acquisition, nutrient mobilization, drought tolerance, salt tolerance, and disease resistance (Chaparro et al., 2012; Sherameti et al., 2008; Zolla et al., 2013). Plant domestication and selective breeding have altered the …
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Comparative Analysis of Rhizosphere and Endosphere Microbiome of Different Blueberry Species (Vaccinium sp.)
… have shown that microorganisms are recruited by plants to alleviate them during stressful conditions. Though blueberries have been cultivated for about 100 years, how the microbiome has been affected due to this is poorly understood. We hypothesized that interspecific crosses and artificial …
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Comprehensive evaluation of cow dung digestate composition for potential soil fertilization: Advanced analytical techniques
… provided a comprehensive assessment of nutrient interactions and biochemical complexity. Results indicate that CDD maintains a moisture content of 45.95%–48.72% and an alkaline pH range of 7.73–8.62, conditions that promote microbial proliferation and nutrient solubilization. Spectroscopic …
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Interactions among tree species and pathogen-suppressive bacteria in tropical forest soils
In tropical forests, soil-borne plant pathogens are thought to regulate diversity by driving negative plant-soil feedbacks and promoting density-dependent mortality of seedlings close to parent trees. Pathogens interact with a myriad of other organisms in soil that have the potential to moderate …
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Influence of plant species, location, and seasonality on rhizosphere bacterial communities in freshwater wetlands
Plant-associated microbes influence plant functions, including development and growth and abiotic stress tolerance. Rhizosphere microbial communities have been shown to vary according to differences in wetland vegetation. Owing to the complexity of factors influencing soil microbial community …
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Genetic Diversity And Evolution Of Disease Response Genes In Sorghum Bicolor L. Moench And Other Cereals
… have been conducted mainly in animals and few plant genes have been shown to evolve adaptively. The study of plant molecular adaptation for disease resistance is fundamental to our understanding of plant-microbe interactions and to the development of novel plant breeding strategies. Here, we …
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Metatranscriptomic analysis of community structure and metabolism of the rhizosphere microbiome.
Plant-microbe interactions in the rhizosphere, the region of soil influenced by plant roots, are integral to biogeochemical cycling, and maintenance of plant health and productivity. Interactions between model plants and microbes are well understood, but relatively little is about the plant …
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Uncovering Auxin Biosynthesis for Fungal Regulation Using CRISPR-Based Gene Knockouts in S. Cerevisiae
… that shapes both beneficial and pathogenic plant–microbe interactions. While IAA biosynthesis is well characterized in plants and some bacterial species, the metabolic pathways responsible for auxin production in fungi remain poorly understood. Understanding auxin biosynthesis pathways in …
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Phosphate homeostasis and posttranscriptional gene regulation during arbuscular mycorrhizal symbiosis in Medicago truncatula
… (Pi) resources in soil are limited, symbiotic interactions between plant roots and arbuscular mycorrhizal (AM) fungi are a widespread strategy to improve plant phosphate nutrition. The repression of AM symbiosis by a high plant Pi-status indicates a link between Pi homeostasis signalling and AM …
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On the role of pectin methylesterases in the development of the non-vascular land plant model Marchantia polymorpha
… different levels of organisation over time. For plant morphogenesis to be understood, it must therefore be studied at multiple scales, from subcellular elements to entire organisms. In this thesis, we examine how the gene family of pectin methylesterases (PMEs) contributes to the development of …
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