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ER-localized auxin transporter PIN8 regulates auxin homeostasis and male gametophyte development in Arabidopsis
Open accessAbstract
Auxin is a key coordinative signal required for many aspects of plant development and its levels are controlled by auxin metabolism and intercellular auxin transport. Here we find that a member of PIN auxin transporter family, PIN8 is expressed in male gametophyte of Arabidopsis thaliana and has a crucial role in pollen development and functionality. Ectopic expression in sporophytic tissues establishes a role of PIN8 in regulating auxin homoeostasis and metabolism. PIN8 co-localizes with PIN5 to the endoplasmic reticulum (ER) where it acts as an auxin transporter. Genetic analyses reveal an antagonistic action of PIN5 and PIN8 in the regulation of intracellular auxin homoeostasis and gametophyte as well as sporophyte development. Our results reveal a role of the auxin transport in male gametophyte development in which the distinct actions of ER-localized PIN transporters regulate cellular auxin homoeostasis and maintain the auxin levels optimal for pollen development and pollen tube growth. Plant hormones, such as auxin, coordinate plant development. In this study, an auxin transporter—PIN8—that is expressed in the male gametophyte ofArabidopsis thaliana, is found to regulate cellular homoeostasis and maintain optimal levels of auxin for pollen development.
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Cited by
PIN-Dependent Auxin Transport: Action, Regulation, and Evolution
Adamowski, M., & Friml, J. (2015) · The Plant Cell · doi:10.1105/tpc.114.134874 · Cited by 818
Self-citationDing, Z., Wang, B., Moreno, I., Dupláková, N., Simon, S., Carraro, N., Reemmer, J., Pěnčík, A., Chen, X., Tejos, R., et al. (2013) · Nature Communications · doi:10.1038/ncomms2452 · Cited by 554
Self-citationDE STORME, N., & GEELEN, D. (2014) · Plant, Cell & Environment · doi:10.1111/pce.12142 · Cited by 476
Auxin activity: Past, present, and future
Enders, T. A., & Strader, L. C. (2015) · American Journal of Botany · doi:10.3732/ajb.1400285 · Cited by 355
Arabidopsis WAT1 is a vacuolar auxin transport facilitator required for auxin homoeostasis
Ranocha, P., Dima, O., Nagy, R., Felten, J., Corratgé-Faillie, C., Novák, O., Morreel, K., Lacombe, B., Martinez, Y., Pfrunder, S., et al. (2013) · Nature Communications · doi:10.1038/ncomms3625 · Cited by 318
Metadata
- Authors
- Ding, Z., Wang, B., Moreno, I., Dupláková, N., Simon, S., Carraro, N., Reemmer, J., Pěnčík, A., Chen, X., Tejos, R., Skůpa, P., Pollmann, S., Mravec, J., Petrášek, J., Zažímalová, E., Honys, D., Rolčík, J., Murphy, A., Orellana, A., Geisler, M., & Friml, J.
- Venue
- Nature Communications
- Published
- 2012-07-03
- Volume
- 3
- Issue
- 1
- Pages
- 941-941
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2139941877
- Cited by
- 267
- References
- 0
- FWCI
- 24.69
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Ding, Z., Wang, B., Moreno, I., Dupláková, N., Simon, S., Carraro, N., Reemmer, J., Pěnčík, A., Chen, X., Tejos, R., Skůpa, P., Pollmann, S., Mravec, J., Petrášek, J., Zažímalová, E., Honys, D., Rolčík, J., Murphy, A., Orellana, A., . . . Friml, J. (2012). ER-localized auxin transporter PIN8 regulates auxin homeostasis and male gametophyte development in Arabidopsis. Nature Communications. https://doi.org/10.1038/ncomms1941
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