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Assessment of genetic conservation units of an endangered glacial relict insular species, , based on fine-scale genetic structures of multiple fragmented mountainous populations in Taiwan.
Front Plant Sci
January 2025
Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan.
Insular species are usually endemic and prone to long-term population reduction, low genetic diversity, and inbreeding depression, which results in difficulties in species conservation. The situation is even more challenging for the glacial relict species whose habitats are usually fragmented in the mountainous regions. is an endangered and endemic relict tree species in Taiwan.
View Article and Find Full Text PDFDNA Nanotags for Multiplexed Single-Particle Electron Microscopy and Electron Cryotomography.
JACS Au
January 2025
CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, CAS, Beijing 100190, China.
DNA nanostructures present new opportunities as Nanotags for electron microscopy (EM) imaging, leveraging their high programmability, unique shapes, biomolecule conjugation capability, and stability compatible with standard cryogenic sample preparation protocols. This perspective highlights the potential of DNA Nanotags to enable high-throughput multiplexed EM analysis and facilitate particle identification for cryogenic electron tomography (cryo-ET). Meanwhile, applying Nanotags in live-cell environments requires the efficient cellular uptake of intact structures and successful cytosolic migration.
View Article and Find Full Text PDFIdentification and characterization of two novel dipeptidyl peptidase-IV inhibitory peptides from the simulated gastrointestinal digestion of Tartary buckwheat proteins.
Food Chem
January 2025
Xiamen Medical College, Xiamen, Fujian 361023, China. Electronic address:
This study analyzed dipeptidyl peptidase-IV (DPP-IV) inhibitory peptides from Tartary buckwheat (Fagopyrum tataricum) protein hydrolysates, known for managing chronic diseases. Simulated gastrointestinal digestion enhanced the inhibitory activity of DPP-IV. Using anion-exchange resin DEAE-52, reverse high-performance liquid chromatography, and LC-MS/MS, eight novel peptides were identified.
View Article and Find Full Text PDFTissue microenvironments are extremely complex and heterogeneous. It is challenging to study metabolic interaction between the different cell types in a tissue with the techniques that are currently available. Here we describe a multimodal imaging pipeline that allows cell type identification and nanoscale tracing of stable isotope-labeled compounds.
View Article and Find Full Text PDFIdentification of the molecular characterization and tumor microenvironment of thoracic inflammatory myofibroblastic tumors.
J Formos Med Assoc
January 2025
Department of Internal Medicine, National Taiwan University Cancer Center, Taipei, Taiwan; Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan. Electronic address:
Background: Inflammatory myofibroblastic tumors (IMTs), rare soft tissue neoplasms, are characterized by a blend of myofibroblastic proliferation and inflammatory features. While generally characterized by slow growth, IMTs can exhibit locally aggressive behavior, and in rare instances, metastasize to distant sites. This study elucidated the clinical characteristics, molecular profile, and tumor microenvironment of thoracic IMTs.
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