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Effects of gastrointestinal parasites on fecal glucocorticoids and behaviour in vervet monkeys (Chlorocebus pygerythrus).
PLoS One
January 2025
Department of Biology, Faculty of Graduate Studies, York University, Toronto, Ontario, Canada.
Relationships between parasites, host physiology, and behaviours are complex. Parasites can influence host hormonal microenvironment and behaviour through "sickness behaviours" that generally conserve energy. Using a parasite removal experiment, we examined the effects of gastrointestinal parasites on fecal glucocorticoid metabolites (fGC) and behaviours of vervet monkeys (Chlorocebus pygerythrus) at Lake Nabugabo, Uganda.
View Article and Find Full Text PDFComputational analysis of the effect of a binding protein (RbpA) on the dynamics of Mycobacterium tuberculosis RNA polymerase assembly.
PLoS One
January 2025
Molecular Biophysics Unit, Indian Institute of Science, Bengaluru, Karnataka, India.
Article Synopsis
- RbpA is a critical protein for Mycobacterium tuberculosis growth, impacting transcription and antibiotic response, but its regulatory mechanisms are not fully understood.
- Significant structural changes in RNA polymerase occur when it interacts with RbpA, revealing important amino acids for transcription regulation and dynamic behavior of the complex.
- The study identifies potential ligands for RbpA's interaction site, laying the groundwork for future research on developing inhibitors that target RbpA's regulatory role in transcription.
Application of attenuated total reflection-Fourier transform infrared spectroscopy in semi-quantification of blood lipids and characterization of the metabolic syndrome.
PLoS One
January 2025
Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Gangshan Hospital, Kaohsiung, Taiwan.
Background/purpose: Dyslipidemia, a hallmark of metabolic syndrome (MetS), contributes to atherosclerotic and cardiometabolic disorders. Due to days-long analysis, current clinical procedures for cardiotoxic blood lipid monitoring are unmet. This study used AI-assisted attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy to identify MetS and precisely quantify multiple blood lipid levels with a blood sample of 0.
View Article and Find Full Text PDFPossible influence of sex on the relationship between dual-task gait costs and cognitive decline in older adults.
PLoS One
January 2025
Institute of Physiotherapy, FH Joanneum University of Applied Sciences, Graz, Austria.
The impact of cognitive decline in older adults can be evaluated with dual-task gait (DTG) testing in which a cognitive task is performed during walking, leading to increased costs of gait. Previous research demonstrated that higher DTG costs correlate with increasing cognitive deficits and with age. The present study was conducted to explore whether the relationship between the DTG costs and cognitive abilities in older individuals is influenced by sex differences.
View Article and Find Full Text PDFPRC2 promotes canalisation during endodermal differentiation.
PLoS Genet
January 2025
MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, United Kingdom.
The genetic circuitry that encodes the developmental programme of mammals is regulated by transcription factors and chromatin modifiers. During early gestation, the three embryonic germ layers are established in a process termed gastrulation. The impact of deleterious mutations in chromatin modifiers such as the polycomb proteins manifests during gastrulation, leading to early developmental failure and lethality in mouse models.
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