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Mitochondria complex III-generated superoxide is essential for IL-10 secretion in macrophages.
Sci Adv
January 2025
Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
Mitochondrial electron transport chain (ETC) function modulates macrophage biology; however, mechanisms underlying mitochondria ETC control of macrophage immune responses are not fully understood. Here, we report that mutant mice with mitochondria ETC complex III (CIII)-deficient macrophages exhibit increased susceptibility to influenza A virus (IAV) and LPS-induced endotoxic shock. Cultured bone marrow-derived macrophages (BMDMs) isolated from these mitochondria CIII-deficient mice released less IL-10 than controls following TLR3 or TLR4 stimulation.
View Article and Find Full Text PDFVanadate reduction by gram-positive fermentative bacteria isolated from deep-sea sediments on the northern Central Indian Ridge.
PLoS One
January 2025
School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea.
The oxidation states of vanadium determine its mobility and toxicity, and dissimilatory vanadate reduction has been reported in several microorganisms, highlighting the potential significance of this pathway in the remediation of vanadium contamination and the biogeochemical cycle. However, to date, most known microorganisms capable of reducing vanadate are Gram-negative respiratory bacteria belonging to the phylum Proteobacteria. In this study, we isolated Tepidibacter mesophilus strain VROV1 from deep-sea sediments on the northern Central Indian Ridge and investigated its ability to reduce vanadium and the impact of vanadate on its cellular metabolism.
View Article and Find Full Text PDFDrought-Induced Weakening of Temperature Control on Ecosystem Carbon Uptake Across Northern Lands.
Glob Chang Biol
January 2025
Key Laboratory of Lake and Watershed Science for Water Security, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, China.
Rapid warming in northern lands has led to increased ecosystem carbon uptake. It remains unclear, however, whether and how the beneficial effects of warming on carbon uptake will continue with climate change. Moreover, the role played by water stress in temperature control on ecosystem carbon uptake remains highly uncertain.
View Article and Find Full Text PDFTargeting endoplasmic reticulum stress: an innovative therapeutic strategy for podocyte-related kidney diseases.
J Transl Med
January 2025
Endocrinology Department, First Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, 130021, China.
The endoplasmic reticulum (ER) is a vital organelle responsible for protein quality control, including the folding, modification, and transport of proteins. When misfolded or unfolded proteins accumulate in the ER, it triggers endoplasmic reticulum stress (ERS) and activates the unfolded protein response (UPR) to restore ER homeostasis. However, prolonged or excessive ERS can lead to apoptosis.
View Article and Find Full Text PDFEfficient and rapid identification of tropical maize inbred lines tolerant to waterlogging stress.
Sci Rep
January 2025
Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, Punjab, India.
Waterlogging (WL) is an important abiotic stress, severely affecting plant growth and development, inhibiting root respiration and degradation of chlorophyll, senescence of leaves and chlorosis leading to substantial yield loss. These intensities of yield losses generally depend on the duration of WL and crop growth stages. Maize being a dry land crop is particularly sensitive to WL.
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