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D-type cyclins encode G1/S cell cycle checkpoint proteins, which play a crucial role in defining cell cycle exit and progression. Precise control of cell cycle exit is vital during embryonic development, with defects in the pathways regulating intracellular D-type cyclins resulting in abnormal initiation of stem cell differentiation in a variety of different organ systems. Furthermore, stabilisation of D-type cyclins is observed in a wide range of disorders characterized by cellular over-proliferation, including cancers and overgrowth disorders. In this review, we will summarize and compare the roles played by each D-type cyclin during development and provide examples of how their intracellular dysregulation can be an underlying cause of disease.
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http://dx.doi.org/10.3390/genes14071445 | DOI Listing |
Planta
August 2025
Henan International Joint Laboratory of Crop Gene Resource and Improvements, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001, China.
The rhizome bud development is governed by light signal, hormonal dynamics, carbohydrate metabolism, and cell cycle regulation in Arundo donax. Rhizomatous plants reproduce asexually through transplantation of rhizome segments bearing buds, which develop into new individuals. However, the regulatory mechanism governing rhizome bud differentiation and development is still unknown.
View Article and Find Full Text PDFiScience
August 2025
Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan.
AMBRA1, which was initially reported to be essential for nervous system development via autophagy and cell proliferation control, also functions as a tumor suppressor by regulating the ubiquitination of D-type cyclins through interaction with DDB1-Cullin4A/4 B E3 ligase. We had identified a missense mutation in through exome analysis of a family with Cowden syndrome. The patient-type mutant showed reduced DDB1 binding and impaired cyclin D degradation.
View Article and Find Full Text PDFCancers (Basel)
July 2025
Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
Mucosal melanoma (MM) is a poorly responsive, rare and aggressive subtype with few cases having targetable recurrent driver mutations, although Ras/MAPK and PI3K/AKT/mTOR signaling pathway activations are common. Eventual tumor evasion of targeted therapy continues to limit treatment success. Adequate models are necessary to address therapeutic resistance.
View Article and Find Full Text PDFHortic Res
August 2025
State Key Laboratory of Efficient Production of Forest Resources, Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and
The prostrate growth habit is an important ornamental trait in ground-cover chrysanthemum, offering high aesthetic value, strong lodging resistance, and excellent landscape greening capability. However, the genetic basis underlying this trait in chrysanthemum remains largely unclear. In this study, we utilized the prostrate-type (tetraploid), the erect-type (tetraploid), and their 199 F hybrid progenies to construct a high-density genetic linkage map through genotyping-by-sequencing.
View Article and Find Full Text PDFMol Breed
July 2025
Department of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502 Andhra Pradesh India.
Unlabelled: The genetic trade-offs among complex traits are often witnessed in rice, however, very little is known about the contributing genes and mechanisms to exploit in breeding programmes. Here, we aimed to understand the genetic trade-offs among disease resistance, quality, and yield traits employing genome-wide association mapping. In all, 78 common marker-trait associations (MTAs) were identified for the targeted traits.
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