Project description:16S rRNA sequence data of of the research due to microbial degradation of microplastics and plant litter in boreal humic lake water in winter and spring seasons
Project description:Soil humic substances are known to positively influence plant growth and nutrition. In particular, low-molecular fractions have been shown to increase NO3- uptake and PM H+-ATPase activity and alter expression of related genes. Changes in maize root transcriptome due to treatment with nitrate (NO3-), Water-Extractable Humic Substances (WEHS) and NO3-+WEHS were analyzed.
2018-07-30 | GSE103184 | GEO
Project description:Bacterial and archaeal communities in sediments of a boreal, humic lake
Project description:Microplastics represent a growing environmental concern for the oceans due to their potential capability to adsorb different classes of pollutants, thus representing a still unexplored source of exposure for aquatic organisms. In this study polystyrene (PS) microplastics were characterized for their capability to adsorb pyrene (PYR) as model compound for polycyclic aromatic hydrocarbons, and transfer this chemical to filter feeding mussels Mytilus galloprovincialis. Gene expression analyses of Mytilus galloprovincialis exposed to polystyrene (PS) microplastics and to polystyrene contaminated with pyrene (PS-PYR) have been performed trough a DNA microarray platform.
2014-12-27 | GSE57460 | GEO
Project description:Microplastics Research Program
Project description:Humic substances have been widely used as plant growth promoters to improve the yield of agricultural crops. Root soluble protein profiles of 11 days after planting, cultivated with and without humic acids (50 mg C/L), were analysed using the label-free quantitative proteomic approach. The effects on root architecture, such as induction of lateral root and biomass increase were accompanied by changes in the proteins.
Project description:Humic substances are principal components of soil organic matter. They have ecological importance as they intervene in regulating a large number of chemical and biological processes that occur in natural ecosystems. Their ability to improve plant growth has been well established in diverse plant species and growth conditions, although the mechanism responsible for this biological action is poorly understood. Microarray analysis might give us more information about up or down regulation of different biological processes. Wheat plants have been grown hydroponically and treated with Humic acid. Seeds were germinated in obscurity during 10 days, and grown in nutrient solution during 10 days. Harvests were conducted 24 hours, 72 hours and 30 days after treatment application, in order to study early response or a more sustained effect during time.
