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| http://dx.doi.org/10.1091/mbc.E24-11-0515 | DOI Listing |
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ZYG-12/Hook's dual role as a dynein adaptor for early endosomes and nuclei is regulated by alternative splicing of its cargo binding domain.
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i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal.
The microtubule motor cytoplasmic dynein-1 transports and positions various organelles, but the molecular basis of this functional diversity is not fully understood. Cargo adaptors of the Hook protein family recruit dynein to early endosomes (EE) in fungi and human cells by forming the FTS-Hook-FHIP (FHF) complex. By contrast, the Hook homolog ZYG-12 recruits dynein to the nuclear envelope (NE) in the meiotic gonad and mitotic early embryo by forming a Linker of Nucleoskeleton and Cytoskeleton (LINC) complex.
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serovar Typhimurium is a Gram-negative bacillus that infects the host intestinal epithelium and resident macrophages. Many intracellular pathogens induce an autophagic response in host cells but have evolved mechanisms to subvert that response. Autophagy is closely linked to cellular cholesterol levels; mTORC1 senses increased cholesterol in lysosomal membranes, leading to its hyperactivity and suppression of autophagy.
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Viral imitation is the sincerest form of epigenetic flattery.
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Viruses use multiple strategies to successfully generate progeny and overcome host defenses. In recent years, it has become increasingly evident that epigenetic mechanisms of host gene regulation are vulnerable to viral manipulation. In the form of histone mimicry, viral invasion of host chromatin is a striking example of how viruses have evolved to invade every aspect of cellular function for viral benefit.
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