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A long-term field experiment demonstrates the influence of tillage on the bacterial potential to produce soil structure-stabilizing agents such as exopolysaccharides and lipopolysaccharides

BackgroundStable soil aggregates are essential for optimal crop growth and preventing soil erosion. However, tillage is often used in agriculture to loosen the soil, which disrupts the integrity of these aggregates. Soil aggregation can be enhanced by bacteria through their ability to produce exopolysaccharides and lipopolysaccharides. These compounds stabilize soil aggregates by...

Making big data smart—how to use metagenomics to understand soil quality

promotion or carbon sequestration. Acknowledgements Gisle Vestergaard is supported by a Humboldt Research Fellowship for postdoctoral researchers. Albertsen M , Karst SM , Ziegler AS , Kirkegaard RH

Analysis of soil microbial communities based on amplicon sequencing of marker genes

validation using enzyme assays to further improve the quality of databases for a better characterization of the dark microbial matter. Notes Acknowledgements Gisle Vestergaard is supported by a Humboldt

The Microbiome of Endophytic, Wood Colonizing Bacteria from Pine Trees as Affected by Pine Wilt Disease

Pine wilt disease (PWD) is a devastating forest disease present worldwide. In this study we analyzed the effects of the invasion of the pinewood nematode Bursaphelenchus xylophilus, the major pathogen causing PWD, on the endophytic microbiome of adult P. pinaster trees. Wood samples from trees with different degrees of PWD disease were collected at two sites (A and M) in Portugal...

Discovery of numerous novel small genes in the intergenic regions of the Escherichia coli O157:H7 Sakai genome

Scherer, Klaus Neuhaus. Data curation: Sarah M. HuÈcker, Zachary Ardern, Tatyana Goldberg. Formal analysis: Sarah M. HuÈcker, Zachary Ardern, Tatyana Goldberg, Andrea Schafferhans, Gisle Vestergaard ... , Chase W. Nelson, Klaus Neuhaus. Funding acquisition: Siegfried Scherer. Investigation: Sarah M. HuÈcker, Zachary Ardern, Andrea Schafferhans, Michael Bernhofer, Gisle Vestergaard, Chase W. Nelson

Crystal Structure of ATVORF273, a New Fold for a Thermo- and Acido-Stable Protein from the Acidianus Two-Tailed Virus

Acidianus two-tailed virus (ATV) infects crenarchaea of the genus Acidianus living in terrestrial thermal springs at extremely high temperatures and low pH. ATV is a member of the Bicaudaviridae virus family and undergoes extra-cellular development of two tails, a process that is unique in the viral world. To understand this intriguing phenomenon, we have undertaken structural...