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Plant Stomata Function in Innate Immunity against Bacterial Invasion [PDF]
Cell, 2006 Microbial entry into host tissue is a critical first step in causing infection in animals and plants. In plants, it has been assumed that microscopic surface openings, such as stomata, serve as passive ports of bacterial entry during infection. Surprisingly, we found that stomatal closure is part of a plant innate immune response to restrict bacterial ...
Maeli Melotto +2 more
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Stomata and sterome in early land plants
Nature, 1986Recognition of pioneering land plants in the fossil record is highly contentious. Because vascular plants possess numerous structural modifications which maintain an internally hydrated environment, attempts to demonstrate the vascular status of megafossils have traditionally dominated research, although more recently evidence from microfossils ...
D. Edwards, U. Fanning, J. B. Richardson
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Automatic Quantification of Stomata for High-Throughput Plant Phenotyping
2018 24th International Conference on Pattern Recognition (ICPR), 2018Stomatal morphology is a key phenotypic trait for plants' response analysis under various environmental stresses (e.g. drought, salinity etc.). Stomata exhibit diverse characteristics with respect to orientation, size, shape and varying degree of papillae occlusion.
Swati Bhugra +5 more
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Do plants really need stomata?
Journal of Experimental Botany, 1998There are lower and higher plants, such as lichens, the gametophytes of bryophytes and some species of the isoetid life form which are astomatous. However, these species are small and often restricted to a narrow range of biotic and abiotic environments.
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Smart Hydrogel-Based Valves Inspired by the Stomata in Plants
ACS Applied Materials & Interfaces, 2016We report the design of hydrogels that can act as "smart" valves or membranes. Each hydrogel is engineered with a pore (about 1 cm long and 32 °C) opens the pore and allows the water to pass through the gel. Conversely, the pore remains closed when the water is cold (T < 32 °C). The gel thereby acts as a "smart" valve that is able to regulate the flow
Ankit, Gargava +2 more
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Chemical and Hydraulic Influences on the Stomata of Flooded Plants
Journal of Experimental Botany, 1986significantly affected by the treatment. Potassium uptake and transport to the leaves was reduced by flooding. Stomata of flooded plants could be reopened by incubating leaves in solutions containing KC1. These observations raise the possibility that nutrient deficiency may limit stomatal opening and growth in flooded plants.
JIANHUA ZHANG, W. J. DAVIES
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Plant physiology: Plant stomata count on closure
Current BiologyThe aperture of the stomatal pore is finely regulated by a range of external cues, and the underlying signalling events of this have been the subject of much investigation. A new study shows that elevation of cytosolic calcium is sufficient to induce stomatal closure and sheds light on the mechanisms underlying the regulation of stomatal aperture.
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Stomata dimorphism in dicotyledonous plants of temperate climate
Feddes Repertorium, 2010AbstractThe leaves of many tropical trees have besides the normal stomata abnormally large stomata long described as “giant stomata.” They reflect an additional early phase of stomata initiation during leaf ontogeny. In epidermal replicas from more than 200 dicotyledonous species of temperate climate we also found well defined giant stomata or solitary
Katja M. Boldt, Barbara Rank
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The ultrastructure of micropropagated and greenhouse rose plant stomata
Plant Cell, Tissue and Organ Culture, 1993Stomata of leaves from in vitro grown rose plantlets remain opened in the dark. The ultrastructure of their guard cells was studied after a 7 h light and a 7 h dark period, and compared to that of functional stomata from plants which have been acclimatized to greenhouse conditions.
Huguette Sallanon +2 more
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Stomata of the CAM plant Tillandsia recurvata respond directly to humidity
Oecologia, 1979Under controlled conditions, CO2 exchange of Tillandsia recurvata showed all characteristics of CAM. During the phase of nocturnal CO2 fixation stomata of the plant responded sensitively to changes in ambient air humidity. Dry air resulted in an increase, moist air in a decrease of diffusion resistance.
O L, Lange, E, Medina
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