منابع مشابه
Plant Development: Spacing out Stomatal Pores
How do plants generate the optimal spacing of stomatal pores on their surfaces to prevent excessive water-loss, whilst allowing efficient gas exchange? New research into the ERECTA family of receptor-like-kinases has provided an important link in the cell-cell signalling pathways controlling this process.
متن کاملPlant virus infections control stomatal development
Stomata are important regulators of carbon dioxide uptake and transpirational water loss. They also represent points of vulnerability as bacterial and fungal pathogens utilise this natural opening as an entry portal, and thus have an increasingly complex relationship. Unlike the situation with bacterial and fungal pathogens, we know very little about the role of stomata in viral infection. Here...
متن کاملPlant Development: YODA the Stomatal Switch
The appearance of stomatal pores during plant evolution is believed to have been a crucial step in land colonisation. A recent screen for genes involved in stomatal development has identified for the first time a mutant plant with no stomata; the results implicate a MAP kinase cascade in stomatal development.
متن کاملBreaking of Plant Stomatal One-Cell-Spacing Rule by Sugar Solution Immersion
The spatial distribution of plant stomata is a model system to study epidermal cell pattern formation. Molecular genetic approaches have identified several key genes required for stomatal distribution patterning, but environmental conditions that perturb the stomatal spacing distribution have not yet been identified. We found that immersing hydroponic cultures in 1-5% sucrose solution induced a...
متن کاملPlant Development: Brassinosteroids Go Out of Bounds
Patterning in plants requires defining boundary domains that separate and organize the development of the neighboring organs. Two papers now show how the interplay between brassinosteroid phytohormones and frontier genes contributes to boundary formation in plants.
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ژورنال
عنوان ژورنال: Current Biology
سال: 2005
ISSN: 0960-9822
DOI: 10.1016/j.cub.2005.08.026