2020
DOI: 10.1101/2020.03.31.017558
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Glucosylhydroxyceramides Modulate Secretion Machinery of a Subset of Plasmodesmata Proteins and a Change in the Callose Accumulation

Abstract: The plasma membranes encapsulated in the plasmodesmata (PDs) with symplasmic nano-channels contain abundant lipid rafts, which are enriched by sphingolipids and sterols. The attenuation of sterol compositions has demonstrated the role played by lipid raft integrity in the intercellular trafficking of glycosylphosphatidylinositol (GPI)-anchored PD proteins, particularly affecting in the callose enhancement. The presence of callose at PD is tightly attributed to the callose metabolic enzymes, callose synthases (… Show more

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Cited by 3 publications
(12 citation statements)
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“…Furthermore, the subcellular localization of PdBG2 in the Arabidopsis cotyledons and hypocotyls was analyzed in the mutant and wild-type Col-0 backgrounds. Consistent with previous reports (Iswanto et al, 2020), GFP:PdBG2 was localized at PD in the wild-type Col-0 background ( Figure 7A, C). In contrast, in α1-cop-5, GFP:PdBG2 failed to accumulate at PD ( Figure 7B, D).…”
Section: Loss Of Function Of α1-cop Changes the Subcellular Localizatsupporting
confidence: 93%
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“…Furthermore, the subcellular localization of PdBG2 in the Arabidopsis cotyledons and hypocotyls was analyzed in the mutant and wild-type Col-0 backgrounds. Consistent with previous reports (Iswanto et al, 2020), GFP:PdBG2 was localized at PD in the wild-type Col-0 background ( Figure 7A, C). In contrast, in α1-cop-5, GFP:PdBG2 failed to accumulate at PD ( Figure 7B, D).…”
Section: Loss Of Function Of α1-cop Changes the Subcellular Localizatsupporting
confidence: 93%
“…Several studies in mammals shown that the COPI specifically interacts with SL species (Chaudhary et al, 1998;Contreras et al, 2012). In Arabidopsis, several well-known SL enzymes such as LONGEVITY ASSURANCE GENE ONE HOMOLOGs (LOHs), ERH1, and GCS (Wang et al, 2008;Msanne et al, 2015;Xie et al, 2015;Iswanto et al, 2020) have been reported.…”
Section: α1-cop Is a Trans-golgi-localized Protein But Partially Locmentioning
confidence: 99%
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