Results 151 to 160 of about 455,803 (329)

Discovery and Biosynthesis of Celluxanthenes, Antibacterial Arylpolyene Alkaloids From Diverse Cellulose‐Degrading Anaerobic Bacteria

open access: yesAngewandte Chemie, EarlyView.
The structure and biosynthetic origin of the enigmatic “yellow affinity substance” (YAS) from the anaerobe thermophile Clostridium thermocellum (now: Acetivibrio thermocellus) were elucidated. YAS is a complex of unusual antibacterial arylpolyene alkaloids (celluxanthenes) that are produced by various cellulolytic anaerobes.
Keishi Ishida   +9 more
wiley   +2 more sources

Phylogenetic relationships and the identification of allopolyploidy in circumpolar Silene sect. Physolychnis

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Species complexes are groups of closely related species with ambiguous delimitation, often composed of recently diverged lineages. Polyploidization and uniparental reproduction (i.e., selfing and apomixis) can play important roles in the origin of species complexes. These complexes pose challenges for species‐based scientific questions,
Anne‐Sophie Quatela   +7 more
wiley   +1 more source

Aureoboletus projectellus (Fungi, Boletales) – Occurrence data, environmental layers and habitat suitability models for North America and Europe

open access: yesData in Brief, 2019
Aureoboletus projectellus is a bolete species native to eastern North America, which has been introduced to Central Europe. Here we present summarized data about occurrence of the fungus in both disjunctive ranges based on (1) de novo georeferencing of ...
Łukasz Banasiak   +6 more
doaj  

Unlocking Lactonase Enzymes as Biocatalysts for the Deracemisation of Chiral γ‐Thiolactones

open access: yesAngewandte Chemie, EarlyView.
The application of lactonase enzymes as biocatalysts still remains underexplored. This study discloses the biocatalytic activity of two lactonases in the deracemisation of chiral C3‐substituted‐γ‐thiolactones. The biocatalyst GcL catalyses the enzymatic kinetic resolution (EKR) of C3‐amide‐thiolactones, while the rationally engineered biocatalyst N9 ...
Jingyue Wu   +7 more
wiley   +2 more sources

Expanding the Tyrosine Kinase Domain of CSF1R? A Case Report From an Adult‐Onset Leukoencephalopathy

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Adult‐onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP), also termed hereditary diffuse leukoencephalopathy with spheroids‐1 (HDLS1), results from mutations in the CSF1R gene and leads to progressive leukoencephalopathy.
Piervito Lopriore   +11 more
wiley   +1 more source

Antibacterial Siderophores of Pandoraea Pathogens and Their Impact on the Diseased Lung Microbiota

open access: yesAngewandte Chemie, EarlyView.
Genome mining of environmental and pathogenic Pandoraea species identified a conserved NRPS gene cluster and led to the discovery of novel siderophores, pandorabactins, which exert their antibacterial activity by depleting iron from competitors. Bioinformatic analysis of sputum from cystic fibrosis patients coupled with bioassays indicates that ...
Elena Herzog   +8 more
wiley   +2 more sources

Evolution of Subgenomic RNA Shapes Dengue Virus Adaptation and Epidemiological Fitness

open access: yesiScience, 2019
Summary: Changes in dengue virus (DENV) genome affect viral fitness both clinically and epidemiologically. Even in the 3′ untranslated region (3′ UTR), mutations could affect subgenomic flaviviral RNA (sfRNA) production and its affinity for host proteins,
Esteban Finol, Eng Eong Ooi
doaj  

Alterations in gut microbiota and metabolites contribute to postoperative sleep disturbances

open access: yesAnimal Models and Experimental Medicine, EarlyView.
In this study, we classified postoperative patients into poor sleepers (PS) and good sleepers (GS) based on the bispectral index (BIS), and transplanted their fecal microbiota to pseudo‐germ‐free rats to analyze the sleep changes in rats and the potential mechanism.
Hui Zhong   +7 more
wiley   +1 more source

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