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Soil microbial communities are characterized in many different ways. The activity of microbes can be measured by their respiration and carbon dioxide release. The cellular components of microbes can be extracted from soil and genetically profiled, or microbial biomass can be calculated by weighing the soil before and after fumigation.
They are the most abundant microorganisms in the soil, and serve many important purposes, including nitrogen fixation. [9] Some bacteria can colonize minerals in the soil and help influence weathering and the breaking down of these minerals. The overall composition of the soil can determine the amount of bacteria growing in the soil.
By dominating the soil's microbial environment, effective microorganisms encourage other beneficial microbes to thrive and outcompete smaller groups of pathogenic or opportunistic microbes. This natural balancing act leads to stronger, more resilient plants and higher crop yields, positioning effective microorganisms as a key player in the ...
In 2020 Kang et al., using a strategy based on enrichment and dilution-to-extinction cultures, extracted from this original consortium (KMCG6) a simplified microbial consortia (SMC) with fewer species but similar keratinolytic activity. [23] Serial dilutions were performed on a keratinolytic microbial consortium pre-enriched from a soil sample.
Complex microbial communities in activated sludge processes are needed for the stable removal efficiency of organic pollutants. PLFA analysis can be used to monitor the microbial community composition of activated sludge reactors, which microbial groups are predominant, and the efficiency of such systems. [42] [43]
Soil biology is the study of microbial and faunal activity and ecology in soil. Soil life, soil biota, soil fauna, or edaphon is a collective term that encompasses all organisms that spend a significant portion of their life cycle within a soil profile, or at the soil-litter interface.
[7] [8] [9] Microorganisms (soil microbes) are involved in biogeochemical cycles in the soil which helps in fixing nutrients, such as nitrogen, phosphorus and sulphur in the soil (environment). [10] As a consequence of the quantitative magnitude of microbial life (calculated as 5.0 × 10 30 cells, [ 11 ] [ 12 ] ) microbes, by virtue of their ...
Metatranscriptomics is the set of techniques used to study gene expression of microbes within natural environments, i.e., the metatranscriptome. [1]While metagenomics focuses on studying the genomic content and on identifying which microbes are present within a community, metatranscriptomics can be used to study the diversity of the active genes within such community, to quantify their ...