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Disruption of OsYSL15 Leads to Iron Inefficiency in Rice Plants
Open accessAbstract
Uptake and translocation of metal nutrients are essential processes for plant growth. Graminaceous species release phytosiderophores that bind to Fe3+; these complexes are then transported across the plasma membrane. We have characterized OsYSL15, one of the rice (Oryza sativa) YS1-like (YSL) genes that are strongly induced by iron (Fe) deficiency. The OsYSL15 promoter fusion to β-glucuronidase showed that it was expressed in all root tissues when Fe was limited. In low-Fe leaves, the promoter became active in all tissues except epidermal cells. This activity was also detected in flowers and seeds. The OsYSL15:green fluorescent protein fusion was localized to the plasma membrane. OsYSL15 functionally complemented yeast strains defective in Fe uptake on media containing Fe3+-deoxymugineic acid and Fe2+-nicotianamine. Two insertional osysl15 mutants exhibited chlorotic phenotypes under Fe deficiency and had reduced Fe concentrations in their shoots, roots, and seeds. Nitric oxide treatment reversed this chlorosis under Fe-limiting conditions. Overexpression of OsYSL15 increased the Fe concentration in leaves and seeds from transgenic plants. Altogether, these results demonstrate roles for OsYSL15 in Fe uptake and distribution in rice plants.
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Cites
IRT1, an Arabidopsis Transporter Essential for Iron Uptake from the Soil and for Plant Growth
Vert, G., Grotz, N., Dédaldéchamp, F., Gaymard, F., Guerinot, M. L., Briat, J.-F., & Curie, C. (2002) · The Plant Cell · doi:10.1105/tpc.001388 · Cited by 1,679
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Cited by
ROLE OF IRON IN PLANT GROWTH AND METABOLISM
Rout, G. R., & Sahoo, S. (2015) · Reviews in Agricultural Science · doi:10.7831/ras.3.1 · Cited by 958
The zinc homeostasis network of land plants
Sinclair, S. A., & Krämer, U. (2012) · Biochimica et Biophysica Acta (BBA) - Molecular Cell Research · doi:10.1016/j.bbamcr.2012.05.016 · Cited by 502
Iron fortification of rice seeds through activation of the nicotianamine synthase gene
Lee, S., Jeon, U. S., Lee, S. J., Kim, Y.-K., Persson, D. P., Husted, S., Schjørring, J. K., Kakei, Y., Masuda, H., Nishizawa, N. K., et al. (2009) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0910950106 · Cited by 351
Self-citationBanakar, R., Alvarez Fernandez, A., Díaz-Benito, P., Abadia, J., Capell, T., & Christou, P. (2017) · Journal of Experimental Botany · doi:10.1093/jxb/erx304 · Cited by 102
Metadata
- Authors
- Lee, S., Chiecko, J. C., Kim, S. A., Walker, E. L., Lee, Y., Guerinot, M. L., & An, G.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2009-04-17
- Volume
- 150
- Issue
- 2
- Pages
- 786-800
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2073272447
- Cited by
- 366
- References
- 1
- FWCI
- 15.87
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Lee, S., Chiecko, J. C., Kim, S. A., Walker, E. L., Lee, Y., Guerinot, M. L., & An, G. (2009). Disruption of OsYSL15 Leads to Iron Inefficiency in Rice Plants. Plant Physiology. https://doi.org/10.1104/pp.109.135418
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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