Auxin transport and activity regulate stomatal patterning and development

J. Le, X. Liu, K. Yang, X. Chen, L. Zhu, H. Wang, M. Wang, S. Vanneste, M. Morita, M. Tasaka, Z. Ding, J. Friml, T. Beeckman, F. Sack, Nature Communications 5 (2014).

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Journal Article | Published | English
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Abstract
Stomata are two-celled valves that control epidermal pores whose spacing optimizes shoot-atmosphere gas exchange. They develop from protodermal cells after unequal divisions followed by an equal division and differentiation. The concentration of the hormone auxin, a master plant developmental regulator, is tightly controlled in time and space, but its role, if any, in stomatal formation is obscure. Here dynamic changes of auxin activity during stomatal development are monitored using auxin input (DII-VENUS) and output (DR5:VENUS) markers by time-lapse imaging. A decrease in auxin levels in the smaller daughter cell after unequal division presages the acquisition of a guard mother cell fate whose equal division produces the two guard cells. Thus, stomatal patterning requires auxin pathway control of stem cell compartment size, as well as auxin depletion that triggers a developmental switch from unequal to equal division.
Publishing Year
Date Published
2014-01-27
Journal Title
Nature Communications
Volume
5
Article Number
3090
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Le J, Liu X, Yang K, et al. Auxin transport and activity regulate stomatal patterning and development. Nature Communications. 2014;5. doi:10.1038/ncomms4090
Le, J., Liu, X., Yang, K., Chen, X., Zhu, L., Wang, H., … Sack, F. (2014). Auxin transport and activity regulate stomatal patterning and development. Nature Communications, 5. https://doi.org/10.1038/ncomms4090
Le, Jie, Xuguang Liu, Kezhen Yang, Xiaolan Chen, Lingling Zhu, Hongzhe Wang, Ming Wang, et al. “Auxin Transport and Activity Regulate Stomatal Patterning and Development.” Nature Communications 5 (2014). https://doi.org/10.1038/ncomms4090.
J. Le et al., “Auxin transport and activity regulate stomatal patterning and development,” Nature Communications, vol. 5, 2014.
Le J, Liu X, Yang K, Chen X, Zhu L, Wang H, Wang M, Vanneste S, Morita M, Tasaka M, Ding Z, Friml J, Beeckman T, Sack F. 2014. Auxin transport and activity regulate stomatal patterning and development. Nature Communications. 5.
Le, Jie, et al. “Auxin Transport and Activity Regulate Stomatal Patterning and Development.” Nature Communications, vol. 5, 3090, Nature Publishing Group, 2014, doi:10.1038/ncomms4090.

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