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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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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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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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Plant signaling: Peptide–receptor pair re-opens stomata after pathogen infection
Current Biology, 2022Stomata - cellular valves in the epidermis of land plants - close their apertures to prevent water loss or pathogen entry. A new study now reports that the plant immune response induces the expression of a peptide ligand-receptor pair that re-opens stomata to resume gas exchange and transpiration after pathogen infection.
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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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Small holes, big impact: Stomata in plant–pathogen–climate epic trifecta
Molecular PlantThe regulation of stomatal aperture opening and closure represents an evolutionary battle between plants and pathogens, characterized by adaptive strategies that influence both plant resistance and pathogen virulence. The ongoing climate change introduces further complexity, affecting pathogen invasion and host immunity.
Shuguo Hou +4 more
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IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2023
Xiao-Hui Yang, Zijun Xi, Jieping li
exaly
Xiao-Hui Yang, Zijun Xi, Jieping li
exaly