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Genomic re-sequencing reveals mutational divergence across genetically engineered strains of model archaea.
mSystems
January 2025
Department of Biology, Duke University, Durham, North Carolina, USA.
Unlabelled: Archaeal molecular biology has been a topic of intense research in recent decades as their role in global ecosystems, nutrient cycles, and eukaryotic evolution comes to light. The hypersaline-adapted archaeal species and serve as important model organisms for understanding archaeal genomics, genetics, and biochemistry, in part because efficient tools enable genetic manipulation. As a result, the number of strains in circulation among the haloarchaeal research community has increased in recent decades.
View Article and Find Full Text PDFClosed genomes of commercial inoculant rhizobia provide a blueprint for management of legume inoculation.
Appl Environ Microbiol
January 2025
Legume Rhizobium Sciences, Food Futures Institute, Murdoch University, Murdoch, Western Australia, Australia.
Unlabelled: Rhizobia are soil bacteria capable of establishing symbiosis within legume root nodules, where they reduce atmospheric N into ammonia and supply it to the plant for growth. Australian soils often lack rhizobia compatible with introduced agricultural legumes, so inoculation with exotic strains has become a common practice for over 50 years. While extensive research has assessed the N-fixing capabilities of these inoculants, their genomics, taxonomy, and core and accessory gene phylogeny are poorly characterized.
View Article and Find Full Text PDFMethylation of foreign DNA overcomes the restriction barrier of and allows efficient genetic manipulation.
Appl Environ Microbiol
January 2025
Department of Biological Sciences, Minnesota State University Mankato, Mankato, Minnesota, USA.
Unlabelled: causes bacterial cold-water disease (BCWD) in salmonids and other fish, resulting in substantial economic losses in aquaculture worldwide. The mechanisms uses to cause disease are poorly understood. Despite considerable effort, most strains of have resisted attempts at genetic manipulation.
View Article and Find Full Text PDFExploring the diffusion of DNA strands into nanoporous structures for establishing a universal electrochemical biosensor.
Chem Sci
December 2024
School of Chemistry and Chemical Engineering, Shandong University Jinan 250100 China
The development of universal electrochemical sensing platforms with high sensitivity and specificity is of great significance for advancing practical disease diagnostic methods and devices. Exploring the structural properties of electrode materials and their interaction with biomolecules is essential to developing novel and distinctive analytical approaches. Here, we innovatively investigated the effect of DNA length and configuration on DNA molecule transfer into the nanostructure of a nanoporous gold (NPG) electrode.
View Article and Find Full Text PDFDouble trouble: two retrotransposons triggered a cascade of invasions in Drosophila species within the last 50 years.
Nat Commun
January 2025
Biological Sciences, North Dakota State University, Fargo, USA.
Horizontal transfer of genetic material in eukaryotes has rarely been documented over short evolutionary timescales. Here, we show that two retrotransposons, Shellder and Spoink, invaded the genomes of multiple species of the melanogaster subgroup within the last 50 years. Through horizontal transfer, Spoink spread in D.
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