Broad-spectrum crop protection technologies, such as abamectin and bifenthrin, are globally relied upon to curb the existential threats from economic crop pests such as the generalist herbivore Koch (TSSM). However, the rising cost of discovering and registering new acaricides, particularly for specialty crops, along with the increasing risk of pesticide resistance development, underscores the urgent need to preserve the efficacy of currently registered acaricides. This study examined the overall genetic mechanism underlying adaptation to abamectin and bifenthrin in populations from commercial hop fields in the Pacific Northwestern region of the USA.
View Article and Find Full Text PDFBrain-resident macrophages, microglia, have been proposed to have an active role in synaptic refinement and maturation, influencing plasticity and circuit-level connectivity. Here we show that several neurodevelopmental processes previously attributed to microglia can proceed without them. Using a genetically modified mouse that lacks microglia (Csf1r), we find that intrinsic properties, synapse number and synaptic maturation are largely normal in the hippocampal CA1 region and somatosensory cortex at stages where microglia have been implicated.
View Article and Find Full Text PDFObjectives: Histological osteochondral characteristics of inflammation, fibrosis, vascularity, cartilage islands, vessels entering cartilage, thickened trabeculae and cysts are associated with bone marrow lesions (BMLs) in human knee osteoarthritis (OA). We identified and developed a method for scoring comparable pathology in two rat OA knee pain models.
Methods: Rats (n = 8-10 per group) were injected with monoiodoacetate (MIA) or saline, or underwent meniscal transection (MNX) or sham surgery.
Normal shear stress produced by blood flow is sensed by the vascular endothelium and required for maintenance of the homeostatic functions of the endothelium in systemic conduit and resistance vessels. Many critical illnesses are characterised by periods of abnormally reduced or absent shear stress in the lung (e.g.
View Article and Find Full Text PDFWith antimicrobial resistance (AMR) reaching alarming levels, new anti-infectives with unprecedented mechanisms of action are urgently needed. The 2-C-methylerythritol-D-erythritol-4-phosphate (MEP) pathway represents an attractive source of drug targets due to its essential role in numerous pathogenic Gram-negative bacteria and Mycobacterium tuberculosis (Mt), whilst being absent in human cells. Here, we solved the first crystal structure of Pseudomonas aeruginosa (Pa) IspD, the third enzyme in the MEP pathway and present the discovery of a fragment-based compound class identified through crystallographic screening of PaIspD.
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