Results 181 to 190 of about 721,605 (301)

Taxonomic Status and First Record of a Yellow-Flowered <i>Astragalus</i> (sect. <i>Dissitiflori</i>, Fabaceae) from Central Balkans. [PDF]

Plants (Basel)
Lazarević P, Kabaš E, Vukojičić S, Lazarević M.   +3 more
europepmc   +1 more source

Structural and biochemical analysis of a B12 superbinder

FEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices, Jacob J. Whittaker, Dirk J. Slotboom, Albert Guskov   +3 more
wiley   +1 more source

refloraR: An R package for efficiently retrieving and analyzing plant specimen data from the Herbário Virtual Reflora. [PDF]

Appl Plant Sci
Calderón Del Cid C, Versiane AFA, Leitman P, Filardi FR, Forzza RC, Cardoso D.   +5 more
europepmc   +1 more source

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

FEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav, Bogdan I. Florea, Sebastian Geibel   +2 more
wiley   +1 more source

Functional organization outweighs spatial separation in structuring microbial communities across a petroleum-hydrocarbon groundwater plume. [PDF]

Front Microbiol
Zhang R, Chen Y, Hou D.
europepmc   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

FEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Electrophoresis in taxonomic studies illustrated by analyses of blood proteins

, 1964
Dessauer, Herbert C., Dessauer, Herbert C, Fox, Wade, Wade Fox   +3 more
core  

Subskills sports technique taxonomy

Sergii Knyr
openalex   +2 more sources

A scalable and cost-effective nanopore workflow for 16S rRNA microbiome profiling validated in a zebrafish gut model. [PDF]

Microb Genom
Juanpere-Borras M, Boekhorst J, van Baarlen P, Brugman S, López Nadal A.   +4 more
europepmc   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source