The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Sphingolipids Containing Very-Long-Chain Fatty Acids Define a Secretory Pathway for Specific Polar Plasma Membrane Protein Targeting in Arabidopsis
Open accessAbstract
Sphingolipids are a class of structural membrane lipids involved in membrane trafficking and cell polarity. Functional analysis of the ceramide synthase family in Arabidopsis thaliana demonstrates the existence of two activities selective for the length of the acyl chains. Very-long-acyl-chain (C > 18 carbons) but not long-chain sphingolipids are essential for plant development. Reduction of very-long-chain fatty acid sphingolipid levels leads in particular to auxin-dependent inhibition of lateral root emergence that is associated with selective aggregation of the plasma membrane auxin carriers AUX1 and PIN1 in the cytosol. Defective targeting of polar auxin carriers is characterized by specific aggregation of Rab-A2a– and Rab-A1e–labeled early endosomes along the secretory pathway. These aggregates correlate with the accumulation of membrane structures and vesicle fragmentation in the cytosol. In conclusion, sphingolipids with very long acyl chains define a trafficking pathway with specific endomembrane compartments and polar auxin transport protein cargoes.
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Citations
Cites
Auxin-resistant mutants of Arabidopsis thaliana with an altered morphology
Estelle, M. A., & Somerville, C. (1987) · Molecular and General Genetics MGG · doi:10.1007/bf00333575 · Cited by 576
Imgrund, S., Hartmann, D., Farwanah, H., Eckhardt, M., Sandhoff, R., Degen, J., Gieselmann, V., Sandhoff, K., & Willecke, K. (2009) · Journal of Biological Chemistry · doi:10.1074/jbc.m109.031971 · Cited by 299
TRAM, LAG1 and CLN8: members of a novel family of lipid-sensing domains?
Winter, E., & Ponting, C. P. (2002) · Trends in Biochemical Sciences · doi:10.1016/s0968-0004(02)02154-0 · Cited by 181
Cited by
Li-Beisson, Y., Shorrosh, B., Beisson, F., Andersson, M. X., Arondel, V., Bates, P. D., Baud, S., Bird, D., DeBono, A., Durrett, T. P., et al. (2013) · The Arabidopsis Book · doi:10.1199/tab.0161 · Cited by 1,513
Self-citationPlant lipids: Key players of plasma membrane organization and function
Mamode Cassim, A., Gouguet, P., Gronnier, J., Laurent, N., Germain, V., Grison, M., Boutté, Y., Gerbeau-Pissot, P., Simon-Plas, F., & Mongrand, S. (2019) · Progress in Lipid Research · doi:10.1016/j.plipres.2018.11.002 · Cited by 266
Metadata
- Authors
- Markham, J. E., Molino, D., Gissot, L., Bellec, Y., Hématy, K., Marion, J., Belcram, K., Palauqui, J.-C., Satiat-JeuneMaître, B., & Faure, J.-D.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2011-06-01
- Volume
- 23
- Issue
- 6
- Pages
- 2362-2378
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2096778084
- Cited by
- 227
- References
- 3
- FWCI
- 6.11
- Type
- journal article
- Language
- en
- Open access
- bronze
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
