Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 15, Issue 6, Pages 585-592Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2012.09.013
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Funding
- NSF [NSF IOS-0843704, IOS-1147265]
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [1147265] Funding Source: National Science Foundation
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Stomata are generated via asymmetric cell division in both dicots and monocots. Intrinsic or extrinsic polarity cues are perceived and acted upon to generate mother cell polarity and determine asymmetric division planes. Arabidopsis employs both intrinsic and extrinsic cues to orient a variable series of asymmetric stomatal divisions, using novel proteins such as BASL and POLAR to generate polarity. In contrast, maize appears to employ only extrinsic cues to orient the polarities of divisions occurring in an invariant sequence to generate stomata! complexes. Although both plants use receptor-like kinases to generate or orient division polarity in developing. stomata, there are few similarities in the proteins and pathway identified to date as regulators of these processes.
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