The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Gibberellin regulates Arabidopsis seed germination via RGL2 , a GAI/RGA -like gene whose expression is up-regulated following imbibition
Open accessAbstract
The germination of Arabidopsis seeds is promoted by gibberellin (GA). Arabidopsis GAI , and RGA are genes encoding key GA signal-transduction components (GAI and RGA) that mediate GA regulation of stem elongation. The Arabidopsis genome contains two further genes, RGL1 and RGL2 , that encode proteins (RGL1 and RGL2) that are closely related to GAI and RGA. Here, we show that RGL2 regulates seed germination in response to GA, and that RGL1, GAI, and RGA do not. In addition, we show that RGL2 transcript levels rise rapidly following seed imbibition, and then decline rapidly as germination proceeds. In situ GUS staining revealed that RGL2 expression in imbibed seeds is restricted to elongating regions of pre-emergent and recently emerged radicles. These observations indicate that RGL2 is a negative regulator of GA responses that acts specifically to control seed germination rather than stem elongation. Furthermore, as RGL2 expression is imbibition inducible, RGL2 may function as an integrator of environmental and endogenous cues to control seed germination.
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Cites
Di Laurenzio, L., Wysocka-Diller, J., Malamy, J. E., Pysh, L., Helariutta, Y., Freshour, G., Hahn, M. G., Feldmann, K. A., & Benfey, P. N. (1996) · Cell · doi:10.1016/s0092-8674(00)80115-4 · Cited by 1,124
The New RGA Locus Encodes a Negative Regulator of Gibberellin Response in Arabidopsis thaliana
Silverstone, A. L., Mak, P. Y. A., Martinez, E. C., & Sun, T.-P. (1997) · Genetics · doi:10.1093/genetics/146.3.1087 · Cited by 297
Cited by
Molecular Aspects of Seed Dormancy
Finkelstein, R., Reeves, W., Ariizumi, T., & Steber, C. (2008) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.59.032607.092740 · Cited by 1,379
Seed vigour and crop establishment: extending performance beyond adaptation.
Finch-Savage, W. E., & Bassel, G. W. (2016) · Journal of Experimental Botany · doi:10.1093/jxb/erv490 · Cited by 1,027
Molecular networks regulating Arabidopsis seed maturation, after‐ripening, dormancy and germination
Holdsworth, M. J., Bentsink, L., & Soppe, W. J. J. (2008) · New Phytologist · doi:10.1111/j.1469-8137.2008.02437.x · Cited by 964
Nonogaki, H., Bassel, G. W., & Bewley, J. D. (2010) · Plant Science · doi:10.1016/j.plantsci.2010.02.010 · Cited by 835
Global Analysis of DELLA Direct Targets in Early Gibberellin Signaling in Arabidopsis
Zentella, R., Zhang, Z.-L., Park, M., Thomas, S. G., Endo, A., Murase, K., Fleet, C. M., Jikumaru, Y., Nambara, E., Kamiya, Y., et al. (2007) · The Plant Cell · doi:10.1105/tpc.107.054999 · Cited by 678
Metadata
- Authors
- Lee, S., Cheng, H., King, K. E., Wang, W., He, Y., Hussain, A., Lo, J., Harberd, N. P., & Peng, J.
- Venue
- Genes & Development
- Publisher
- Cold Spring Harbor Laboratory
- Published
- 2002-03-01
- Volume
- 16
- Issue
- 5
- Pages
- 646-658
- ISSN
- 0890-9369 (ISSN-L)
- 1549-5477
- OpenAlex
- W2169929707
- Cited by
- 646
- References
- 2
- Type
- posted content
- Language
- en
- Open access
- diamond
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- CoChat. (2026). Citation check: Gibberellin regulates Arabidopsis seed germination via RGL2 , a GAI/RGA -like gene whose expression is up-regulated following imbibition. https://app.cochat.ai/papers/10.1101/gad.969002
- The paper
- Lee, S., Cheng, H., King, K. E., Wang, W., He, Y., Hussain, A., Lo, J., Harberd, N. P., & Peng, J. (2002). Gibberellin regulates Arabidopsis seed germination via RGL2 , a GAI/RGA -like gene whose expression is up-regulated following imbibition. Genes & Development. https://doi.org/10.1101/gad.969002
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