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Acutely Modifying Phosphatidylinositol Phosphates on Endolysosomes Using Chemically Inducible Dimerization Systems [PDF]

open access: yesBio-Protocol
Phosphoinositides are rare membrane lipids that mediate cell signaling and membrane dynamics. PI(4)P and PI(3)P are two major phosphoinositides crucial for endolysosomal functions and dynamics, making them the lipids of interest in many studies.
Wei Sheng Yap, Peter Kim, Maxime Boutry
doaj   +2 more sources

Assessing the Presence of Phosphoinositides on Autophagosomal Membrane in Yeast by Live Cell Imaging [PDF]

open access: yesMicroorganisms
The formation of autophagosomes mediating the sequestration of cytoplasmic materials is the central step of autophagy. Several phosphoinositides, which are signaling molecules on the membrane, are involved in autophagy.
Jing-Zhen Song   +5 more
doaj   +2 more sources

Superresolution Microscopy Reveals Distinct Phosphoinositide Subdomains Within the Cilia Transition Zone

open access: yesFrontiers in Cell and Developmental Biology, 2021
Primary cilia are evolutionary conserved microtubule-based organelles that protrude from the surface of most mammalian cells. Phosphoinositides (PI) are membrane-associated signaling lipids that regulate numerous cellular events via the recruitment of ...
Sarah E. Conduit   +4 more
doaj   +1 more source

When PIP2 Meets p53: Nuclear Phosphoinositide Signaling in the DNA Damage Response

open access: yesFrontiers in Cell and Developmental Biology, 2022
The mechanisms that maintain genome stability are critical for preventing tumor progression. In the past decades, many strategies were developed for cancer treatment to disrupt the DNA repair machinery or alter repair pathway selection.
Yu-Hsiu Wang, Michael P. Sheetz
doaj   +1 more source

The proppin Bcas3 and its interactor KinkyA localize to the early phagophore and regulate autophagy [PDF]

open access: yes, 2021
To resolve the signaling mechanisms that mediate the starvation-induced processes of Dictyostelium sporulation and encystation, we performed insertional mutagenesis on cells harboring an mRFP-tagged spore gene.
Schaap, Pauline, Yamada, Yoko
core   +2 more sources

Phosphoinositides in plant-pathogen interaction: trends and perspectives

open access: yesStress Biology, 2023
Phosphoinositides are important regulatory membrane lipids, with a role in plant development and cellular function. Emerging evidence indicates that phosphoinositides play crucial roles in plant defence and are also utilized by pathogens for infection ...
Fauzia Zarreen   +2 more
doaj   +1 more source

Key role of polyphosphoinositides in dynamics of fusogenic nuclear membrane vesicles. [PDF]

open access: yesPLoS ONE, 2011
The role of phosphoinositides has been thoroughly described in many signalling and membrane trafficking events but their function as modulators of membrane structure and dynamics in membrane fusion has not been investigated.
Vanessa Zhendre   +5 more
doaj   +1 more source

Phosphatidylinositol (4,5)-bisphosphate turnover by INP51 regulates the cell wall integrity pathway in "Saccharomyces cerevisiae" [PDF]

open access: yes, 2004
Signal transduction pathways are important for the cell to transduce external or internal stimuli where second messengers play an important role as mediators of the stimuli. One important group of second messengers are the phosphoinositide family present
Morales-Johansson, Helena
core   +2 more sources

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