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Recalibrating Protection Factors Using Millisecond Hydrogen/Deuterium Exchange Mass Spectrometry.
Anal Chem
January 2025
School of Molecular and Cellular Biology and Astbury Centre, University of Leeds, Leeds LS2 9JT, U.K.
Hydrogen/deuterium exchange mass spectrometry (HDX-MS) is a powerful technique to interrogate protein structure and dynamics. With the ability to study almost any protein without a size limit, including intrinsically disordered ones, HDX-MS has shown fast growing importance as a complement to structural elucidation techniques. Current experiments compare two or more related conditions (sequences, interaction partners, excipients, conformational states, etc.
View Article and Find Full Text PDFRole of the Mobile Active Site Flap in IMP Dehydrogenase Inhibitor Binding.
ACS Infect Dis
January 2025
Department of Chemistry, Brandeis University, Waltham, Massachusetts 02454, United States.
Inosine 5'-monophosphate dehydrogenase (IMPDH) is a promising antibiotic target. This enzyme catalyzes the NAD-dependent oxidation of inosine 5'-monophosphate (IMP) to xanthosine 5'-monophosphate (XMP), which is the rate-limiting step in guanine nucleotide biosynthesis. Bacterial IMPDH-specific inhibitors have been developed that bind to the NAD site.
View Article and Find Full Text PDFThe European regulatory system for plant protection products-cause of a "Silent Spring" or highly advanced and protective?
Integr Environ Assess Manag
January 2025
Industrieverband Agrar e. V. (IVA), Wissenschaft und Innovation, Frankfurt am Main, Germany.
Current publications that are shaping public perception repeatedly claim that residues of plant protection products (PPP) in the environment demonstrate gaps in assessing the exposure and effects of PPP, allegedly revealing the inability of the European regulatory system to prevent environmental contamination and damage such as biodiversity decline. The hypothesis is that environmental risk assessments rely on inappropriate predictive models that underestimate exposure and do not explicitly account for the impact of combinations of environmental stressors and physiological differences in stress responses. This article puts this criticism into context to allow for a more balanced evaluation of the European regulatory system for PPP.
View Article and Find Full Text PDFArsenic efflux and bioremediation potential of Klebsiella oxytoca via the arsB gene.
PLoS One
January 2025
Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, Pakistan.
Arsenic-resistant Klebsiella oxytoca strain AT-02 was isolated from the ground water of the Multan region of Pakistan. The strain displayed high arsenite and arsenate resistance as minimal inhibitory concentration (MIC) was 600ppm and 10,000ppm respectively. The high tolerance of the isolated strain towards arsenate can be postulated due to significant increase in biofilm in response to arsenate.
View Article and Find Full Text PDFElite Alleles of EPE1 Identified via Genome-wide Association Studies Increase Panicle Elongation Length in Rice.
Rice (N Y)
January 2025
College of Agronomy, Anhui Agricultural University, Hefei, 230000, China.
Panicle elongation length (PEL), which determines panicle exsertion, is an important outcrossing-related trait. Mining genes controlling PEL in rice (Oryza sativa L.) has great practical significance in breeding cytoplasmic male sterility (CMS) lines with increased PEL and simplified, high-efficiency seed production.
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