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Guanylate-binding proteins (GBPs) are large GTPases that belong to the Dynamin Superfamily Protein family. In humans, GBPs are well-characterized interferon-induced GTPases, playing a central role in cell-autonomous innate immunity against infections, inflammation and cancer. GBPs orthologs have been identified in plants only recently. Despite the limited number of reports describing their functional characterization, plant GBPs share common structural and biological features, as well as functions, with animal GBPs. This review aimed at highlighting the recent knowledge acquired on the critical role of GBPs and the associated mechanisms in plant developmental processes and in plant immunity to biotic aggressions through the control of gene expression.
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http://dx.doi.org/10.1111/nph.70524 | DOI Listing |
New Phytol
August 2025
INRAE, Université de Bordeaux, UMR1332 Biologie du Fruit et Pathologie, Villenave d'Ornon, F-33140, France.
Guanylate-binding proteins (GBPs) are large GTPases that belong to the Dynamin Superfamily Protein family. In humans, GBPs are well-characterized interferon-induced GTPases, playing a central role in cell-autonomous innate immunity against infections, inflammation and cancer. GBPs orthologs have been identified in plants only recently.
View Article and Find Full Text PDFClin Chim Acta
August 2025
Laboratory Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510000, PR China; School of Medical Technology, Xuzhou Key Laboratory of Laboratory Diagnostics, Xuzhou Medical University, Xuzhou 221004 Jiangsu, PR China. Ele
Background: Early differentiation between Mycobacterium tuberculosis (MTB) and non-tuberculous mycobacteria (NTM) is critical due to distinct treatment protocols. Traditional diagnostic methods, including acid-fast staining, bacterial culture, and nucleic acid assays, often face challenges. This study evaluated the diagnostic value of Guanylate-Binding Protein 1 (GBP1), interferon-gamma (IFN-γ), and interleukin-2 (IL-2) in peripheral blood for distinguishing active TB, NTM infections, and cured TB.
View Article and Find Full Text PDFBlood Neoplasia
August 2025
Department of Medicine, Division of Oncology, Washington University School of Medicine, St. Louis, MO.
Mutations in the histone methyltransferase enhancer of zeste homolog 2 (EZH2), particularly the neomorphic Y641F hot spot mutation, are implicated in hematologic malignancies. However, how developmental timing and cellular context influence their oncogenic potential remains poorly understood. Here, we used a conditional allele with multiple tissue-specific Cre drivers to investigate the effects of these mutations across hematopoietic development.
View Article and Find Full Text PDFInfect Immun
September 2025
Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.
The guanylate-binding protein (GBP) family, a group of interferon-induced GTPases, is pivotal in pathogen defense, inflammation regulation, and tumor immunity. Among them, GBP5 has emerged as a key player due to its distinctive roles in various diseases. However, existing studies reveal significant gaps, particularly regarding its expression, regulatory mechanisms, and functional dynamics across diverse diseases and patient populations, limiting its reliability as a biomarker or therapeutic target.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
August 2025
Department of Biomedical Sciences, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan.
The interferon (IFN)-inducible GTPases play a crucial role in cell autonomous immunity against intracellular pathogens. Particularly, these GTPases directly recognize the host membrane-derived vacuole containing pathogens and subsequently destroy it. Although it has been revealed that these GTPases target the membrane of ()-containing vacuole (LCV), molecular mechanism has been totally uncleared.
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