Academic literature on the topic 'Endomembrane trafficking'

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Journal articles on the topic "Endomembrane trafficking"

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Arora, Deepanksha, and Daniёl Van Damme. "Motif-based endomembrane trafficking." Plant Physiology 186, no. 1 (February 19, 2021): 221–38. http://dx.doi.org/10.1093/plphys/kiab077.

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Abstract Endomembrane trafficking, which allows proteins and lipids to flow between the different endomembrane compartments, largely occurs by vesicle-mediated transport. Transmembrane proteins intended for transport are concentrated into a vesicle or carrier by undulation of a donor membrane. This is followed by vesicle scission, uncoating, and finally, fusion at the target membrane. Three major trafficking pathways operate inside eukaryotic cells: anterograde, retrograde, and endocytic. Each pathway involves a unique set of machinery and coat proteins that pack the transmembrane proteins, along with their associated lipids, into specific carriers. Adaptor and coatomer complexes are major facilitators that function in anterograde transport and in endocytosis. These complexes recognize the transmembrane cargoes destined for transport and recruit the coat proteins that help form the carriers. These complexes use either linear motifs or posttranslational modifications to recognize the cargoes, which are then packaged and delivered along the trafficking pathways. In this review, we focus on the different trafficking complexes that share a common evolutionary branch in Arabidopsis (Arabidopsis thaliana), and we discuss up-to-date knowledge about the cargo recognition motifs they use.
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Choy, Edwin, Vi K. Chiu, Joseph Silletti, Marianna Feoktistov, Takashi Morimoto, David Michaelson, Ivan E. Ivanov, and Mark R. Philips. "Endomembrane Trafficking of Ras." Cell 98, no. 1 (July 1999): 69–80. http://dx.doi.org/10.1016/s0092-8674(00)80607-8.

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Olayioye, Monilola A., Bettina Noll, and Angelika Hausser. "Spatiotemporal Control of Intracellular Membrane Trafficking by Rho GTPases." Cells 8, no. 12 (November 21, 2019): 1478. http://dx.doi.org/10.3390/cells8121478.

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As membrane-associated master regulators of cytoskeletal remodeling, Rho GTPases coordinate a wide range of biological processes such as cell adhesion, motility, and polarity. In the last years, Rho GTPases have also been recognized to control intracellular membrane sorting and trafficking steps directly; however, how Rho GTPase signaling is regulated at endomembranes is still poorly understood. In this review, we will specifically address the local Rho GTPase pools coordinating intracellular membrane trafficking with a focus on the endo- and exocytic pathways. We will further highlight the spatiotemporal molecular regulation of Rho signaling at endomembrane sites through Rho regulatory proteins, the GEFs and GAPs. Finally, we will discuss the contribution of dysregulated Rho signaling emanating from endomembranes to the development and progression of cancer.
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Boruc, Joanna, and Daniel Van Damme. "Endomembrane trafficking overarching cell plate formation." Current Opinion in Plant Biology 28 (December 2015): 92–98. http://dx.doi.org/10.1016/j.pbi.2015.09.007.

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Neves, João, Miguel Sampaio, Ana Séneca, Susana Pereira, José Pissarra, and Cláudia Pereira. "Abiotic Stress Triggers the Expression of Genes Involved in Protein Storage Vacuole and Exocyst-Mediated Routes." International Journal of Molecular Sciences 22, no. 19 (September 30, 2021): 10644. http://dx.doi.org/10.3390/ijms221910644.

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Adverse conditions caused by abiotic stress modulate plant development and growth by altering morphological and cellular mechanisms. Plants’ responses/adaptations to stress often involve changes in the distribution and sorting of specific proteins and molecules. Still, little attention has been given to the molecular mechanisms controlling these rearrangements. We tested the hypothesis that plants respond to stress by remodelling their endomembranes and adapting their trafficking pathways. We focused on the molecular machinery behind organelle biogenesis and protein trafficking under abiotic stress conditions, evaluating their effects at the subcellular level, by looking at ultrastructural changes and measuring the expression levels of genes involved in well-known intracellular routes. The results point to a differential response of the endomembrane system, showing that the genes involved in the pathway to the Protein Storage Vacuole and the exocyst-mediated routes are upregulated. In contrast, the ones involved in the route to the Lytic Vacuole are downregulated. These changes are accompanied by morphological alterations of endomembrane compartments. The data obtained demonstrate that plants’ response to abiotic stress involves the differential expression of genes related to protein trafficking machinery, which can be connected to the activation/deactivation of specific intracellular sorting pathways and lead to alterations in the cell ultrastructure.
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Zheng, Ping, Chunyan Zheng, Marisa S. Otegui, and Faqiang Li. "Endomembrane mediated-trafficking of seed storage proteins: from Arabidopsis to cereal crops." Journal of Experimental Botany 73, no. 5 (November 30, 2021): 1312–26. http://dx.doi.org/10.1093/jxb/erab519.

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Abstract Seed storage proteins (SSPs) are of great importance in plant science and agriculture, particularly in cereal crops, due to their nutritional value and their impact on food properties. During seed maturation, massive amounts of SSPs are synthesized and deposited either within protein bodies derived from the endoplasmic reticulum, or into specialized protein storage vacuoles (PSVs). The processing and trafficking of SSPs vary among plant species, tissues, and even developmental stages, as well as being influenced by SSP composition. The different trafficking routes, which affect the amount of SSPs that seeds accumulate and their composition and modifications, rely on a highly dynamic and functionally specialized endomembrane system. Although the general steps in SSP trafficking have been studied in various plants, including cereals, the detailed underlying molecular and regulatory mechanisms are still elusive. In this review, we discuss the main endomembrane routes involved in SSP trafficking to the PSV in Arabidopsis and other eudicots, and compare and contrast the SSP trafficking pathways in major cereal crops, particularly in rice and maize. In addition, we explore the challenges and strategies for analyzing the endomembrane system in cereal crops.
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Ruano, Guillermo, and David Scheuring. "Plant Cells under Attack: Unconventional Endomembrane Trafficking during Plant Defense." Plants 9, no. 3 (March 21, 2020): 389. http://dx.doi.org/10.3390/plants9030389.

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Since plants lack specialized immune cells, each cell has to defend itself independently against a plethora of different pathogens. Therefore, successful plant defense strongly relies on precise and efficient regulation of intracellular processes in every single cell. Smooth trafficking within the plant endomembrane is a prerequisite for a diverse set of immune responses. Pathogen recognition, signaling into the nucleus, cell wall enforcement, secretion of antimicrobial proteins and compounds, as well as generation of reactive oxygen species, all heavily depend on vesicle transport. In contrast, pathogens have developed a variety of different means to manipulate vesicle trafficking to prevent detection or to inhibit specific plant responses. Intriguingly, the plant endomembrane system exhibits remarkable plasticity upon pathogen attack. Unconventional trafficking pathways such as the formation of endoplasmic reticulum (ER) bodies or fusion of the vacuole with the plasma membrane are initiated and enforced as the counteraction. Here, we review the recent findings on unconventional and defense-induced trafficking pathways as the plant´s measures in response to pathogen attack. In addition, we describe the endomembrane system manipulations by different pathogens, with a focus on tethering and fusion events during vesicle trafficking.
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Martínez Jaramillo, Catalina, and Claudia Milena Trujillo Vargas. "LRBA in the endomembrane system." Colombia Médica 49, no. 3 (September 1, 2018): 236–43. http://dx.doi.org/10.25100/cm.v49i3.3802.

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Bi-allelic mutations in LRBA (from Lipopolysaccharide-responsive and beige-like anchor protein) result in a primary immunodeficiency with clinical features ranging from hypogammaglobulinemia and lymphoproliferative syndrome to inflammatory bowel disease and heterogeneous autoimmune manifestations. LRBA deficiency has been shown to affect vesicular trafficking, autophagy and apoptosis, which may lead to alterations of several molecules and processes that play key roles for immunity. In this review, we will discuss the relationship of LRBA with the endovesicular system in the context of receptor trafficking, autophagy and apoptosis. Since these mechanisms of homeostasis are inherent to all living cells and not only limited to the immune system and also, because they are involved in physiological as well as pathological processes such as embryogenesis or tumoral transformation, we envisage advancing in the identification of potential pharmacological agents to manipulate these processes.
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Parsons, Harriet T., and Kathryn S. Lilley. "Mass spectrometry approaches to study plant endomembrane trafficking." Seminars in Cell & Developmental Biology 80 (August 2018): 123–32. http://dx.doi.org/10.1016/j.semcdb.2017.10.014.

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Hicks, Glenn R., and Natasha V. Raikhel. "Advances in dissecting endomembrane trafficking with small molecules." Current Opinion in Plant Biology 13, no. 6 (December 2010): 706–13. http://dx.doi.org/10.1016/j.pbi.2010.08.008.

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Dissertations / Theses on the topic "Endomembrane trafficking"

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Paudyal, Rupesh. "Physiological and cellular effects of TENin1, a novel small molecule inhibitor of endomembrane protein trafficking." Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/5778/.

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Gravitropic response is required for proper orientation of plant growth and development. One of the factors that influence gravitropism in plants is the polar distribution of the plant hormone auxin, which is maintained by auxin transporters at the plasma membrane (PM). These endomembrane proteins are transported to the PM via the secretory pathway and undergo constitutive endocytic recycling from the PM. This thesis characterises an inhibitor of endomembrane protein trafficking, Trafficking & ENdocytosis inhibitor 1 TENin1 (TE1), that reduces gravitropic response in Arabidopsis thaliana seedlings. Short term TE1 treatment causes intracellular accumulation of membrane proteins including brassinosteroid receptor BRI1, aquaporin PIP2a, and auxin transporters PIN2 and PIN7. All the accumulated experimental evidence gained throughout the duration of this project also suggest that TE1 interferes with the endomembrane recycling to the TGN both from the pre-vacuolar compartment (PVC) and the PM therefore causing accumulation of PIN2-GFP at the PVC, which is eventually re-directed to the vacuole. The long term effects of TE1 were also characterised and revealed dose-dependent growth inhibition of whole plants and reduction in organelle dynamics. In a separate study in the laboratory two Arabidopsis thaliana accessions that displayed resistance to the effects of TE1 were identified. A library of Arabidopsis thaliana recombinant inbred lines (RILs) generated by crossing a TE1 resistant accession with the sensitive Columbia accession was commercially available. Therefore, 174 and 117 RILs were screened for different traits to identify a region of the genome responsible for the resistance to the effects of TE1. The data generated from the RIL screens revealed a major resistant locus lies within 9 to 16 Mb in the chromosome 5. A further study is now required to map the target gene(s) responsible for the resistance to TE1.
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Book chapters on the topic "Endomembrane trafficking"

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Li, Ruixi, Natasha V. Raikhel, and Glenn R. Hicks. "Chemical Effectors of Plant Endocytosis and Endomembrane Trafficking." In Endocytosis in Plants, 37–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-32463-5_2.

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Rubilar-Hernández, Carlos, Glenn R. Hicks, and Lorena Norambuena. "Chemical Genomics Screening for Biomodulators of Endomembrane System Trafficking." In Methods in Molecular Biology, 251–64. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1420-3_19.

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Rodriguez-Furlán, Cecilia, Glenn R. Hicks, and Lorena Norambuena. "Chemical Genomics: Characterizing Target Pathways for Bioactive Compounds Using the Endomembrane Trafficking Network." In Methods in Molecular Biology, 317–28. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0944-5_22.

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Urbina, Daniela, Patricio Pérez-Henríquez, and Lorena Norambuena. "The Use of Multidrug Approach to Uncover New Players of the Endomembrane System Trafficking Machinery." In Methods in Molecular Biology, 131–43. Totowa, NJ: Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-592-7_14.

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Norambuena, Lorena, Glenn R. Hicks, and Natasha V. Raikhel. "The Use of Chemical Genomics to Investigate Pathways Intersecting Auxin-Dependent Responses and Endomembrane Trafficking in Arabidopsis Thaliana." In Methods in Molecular Biology, 133–43. Totowa, NJ: Humana Press, 2008. http://dx.doi.org/10.1007/978-1-59745-477-3_12.

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Cevher-Keskin, Birsen. "Endomembrane Trafficking in Plants." In Electrodialysis. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.91642.

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The functional organization of eukaryotic cells requires the exchange of proteins, lipids, and polysaccharides between membrane compartments through transport intermediates. Small GTPases largely control membrane traffic, which is essential for the survival of all eukaryotes. Transport from one compartment of this pathway to another is mediated by vesicular carriers, which are formed by the controlled assembly of coat protein complexes (COPs) on donor organelles. The activation of small GTPases is essential for vesicle formation from a donor membrane. In eukaryotic cells, small GTP-binding proteins comprise the largest family of signaling proteins. The ADP-ribosylation factor 1 (ARF1) and secretion-associated RAS superfamily 1 (SAR1) GTP-binding proteins are involved in the formation and budding of vesicles throughout plant endomembrane systems. ARF1 has been shown to play a critical role in coat protein complex I (COPI)-mediated retrograde trafficking in eukaryotic systems, whereas SAR1 GTPases are involved in intracellular coat protein complex II (COPII)-mediated protein trafficking from the endoplasmic reticulum (ER) to the Golgi apparatus. The dysfunction of the endomembrane system can affect signal transduction, plant development, and defense. This chapter offers a summary of membrane trafficking system with an emphasis on the role of GTPases especially ARF1, SAR1, and RAB, their regulatory proteins, and interaction with endomembrane compartments. The vacuolar and endocytic trafficking are presented to enhance our understanding of plant development and immunity in plants.
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Besteiro, Sébastien, Christen M. Klinger, Markus Meissner, and Vern B. Carruthers. "Endomembrane trafficking pathways in Toxoplasma." In Toxoplasma gondii, 705–41. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-815041-2.00015-3.

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Reports on the topic "Endomembrane trafficking"

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Sze, Heven. Endomembrane Cation Transporters and Membrane Trafficking. Office of Scientific and Technical Information (OSTI), April 2017. http://dx.doi.org/10.2172/1351059.

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