The DOI matches its Crossref record.
Release of Active Cytokinin by a β-Glucosidase Localized to the Maize Root Meristem
Abstract
A β-glucoside encoded by a cloned Zea mays complementary DNA ( Zm-p60.1 ) cleaved the biologically inactive hormone conjugates cytokinin-O-glucosides and kinetin-N3-glucoside, releasing active cytokinin. Tobacco protoplasts that transiently expressed Zm-p60.1 could use the inactive cytokinin glucosides to initiate cell division. The ability of protoplasts to sustain growth in response to cytokinin glucosides persisted indefinitely after the likely disappearance of the expression vector. In the roots of maize seedlings, Zm-p60.1 was localized to the meristematic cells and may function in vivo to supply the developing maize embryo with active cytokinin.
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Citations
Cited by
Nordström, A., Tarkowski, P., Tarkowska, D., Norbaek, R., Åstot, C., Dolezal, K., & Sandberg, G. (2004) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0402504101 · Cited by 574
Cytokinins. New insights into a classic phytohormone
Haberer, G., & Kieber, J. J. (2002) · Plant Physiology · doi:10.1104/pp.010773 · Cited by 334
Zörb, C., Schmitt, S., Neeb, A., Karl, S., Linder, M., & Schubert, S. (2004) · Plant Science · doi:10.1016/j.plantsci.2004.03.004 · Cited by 148
Metadata
- Authors
- Brzobohatý, B., Moore, I., Kristoffersen, P., Bako, L., Campos, N., Schell, J., & Palme, K.
- Venue
- Science
- Published
- 1993-11-12
- Volume
- 262
- Issue
- 5136
- Pages
- 1051-1054
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2020644185
- Cited by
- 366
- References
- 0
- FWCI
- 18.38
- Type
- journal article
- Language
- en
- Open access
- closed
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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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