Community recommendations on terminology and procedures used in flooding and low oxygen stress research
Apart from playing a key role in important biochemical reactions, molecular oxygen (O2) and its by-products also have crucial signaling roles in shaping plant developmental programs and environmental responses. Even under normal conditions, sharp O2 gradients can occur within the plant when cellular...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2017sasidharan.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Community recommendations on terminology and procedures used in flooding and low oxygen stress research |
| 520 | |a Apart from playing a key role in important biochemical reactions, molecular oxygen (O2) and its by-products also have crucial signaling roles in shaping plant developmental programs and environmental responses. Even under normal conditions, sharp O2 gradients can occur within the plant when cellular O2 demand exceeds supply, especially in dense organs such as tubers, seeds and fruits. Spatial and temporal variations in O2 concentrations are important cues for plants to modulate development (van Dongen & Licausi, 2015; Considine et al., 2016). Environmental conditions can also expand the low O2 regions within the plant. For example, excessive rainfall can lead to partial or complete plant submergence resulting in O2 deficiency in the root or the entire plant (Voesenek & Bailey-Serres, 2015). Climate changeassociated increases in precipitation events have made flooding a major abiotic stress threatening crop production and food sustainability. This increased flooding and associated crop losses highlight the urgency of understanding plant flooding responses and tolerance mechanisms. Timely manifestation of physiological and morphological changes triggering developmental adjustments or flooding survival estrategies requires accurate sensing ofO2 levels. Despite progress in understanding how plants sense and respond to changes in intracellular O2 concentrations (van Dongen & Licausi, 2015), several questions remain unanswered due to a lack of high resolution tools to accurately and noninvasively monitor (sub) cellular O2 concentrations. In the absence of such tools, it is therefore critical for researchers in the field to be aware of how experimental conditions can influence plant O2 levels, and thus on the importance of accurately reporting specific experimental details. This also requires a consensus on the definition of frequently used terms. At the 15th New Phytologist Workshop on Flooding stress (Voesenek et al., 2016), community members discussed and agreed on unified nomenclature and standard norms for low O2 and flooding stress research. This consensus on terminology and experimental guidelines is presented here. We expect that these norms will facilitate more effective interpretation, comparison and reproducibility of research in this field. We also highlight the current challenges in noninvasively monitoring and measuring O2 concentrations in plant cells, outlining the technologies currently available, their strengths and drawbacks, and their suitability for use in flooding and low O2 research. | ||
| 653 | |a ANOXIA | ||
| 653 | |a FLOODING | ||
| 653 | |a HYPOXIA | ||
| 653 | |a LOW OXYGEN | ||
| 653 | |a PLANT ANAEROBIOSIS | ||
| 653 | |a REOXYGENATION | ||
| 653 | |a SUBMERGENCE | ||
| 653 | |a WATERLOGGING | ||
| 700 | 1 | |a Sasidharan, Rashmi |u Institute of Environmental Biology, Utrecht University, Padualaan 8, Utrecht 3584CH, the Netherlands |9 67311 | |
| 700 | 1 | |9 67312 |a Bailey Serres, Julia |u Institute of Environmental Biology, Utrecht University, Padualaan 8, Utrecht 3584CH, the Netherlands y Center for Plant Cell Biology, Department of Botany and Plant Science, University of California, Riverside, CA 92521-0124, USA | |
| 700 | 1 | |a Ashikari, Motoyuki |u Bioscience and Biotechnology Center, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan |9 67313 | |
| 700 | 1 | |a Atwell, Brian J. |u Department of Biological Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, NSW 2109, Australia |9 67314 | |
| 700 | 1 | |9 68326 |a Colmer, Timothy David |u UWA School of Agriculture and Environment, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia | |
| 700 | 1 | |a Fagerstedt, Kurt |u Department of Biosciences, Viikki Plant Science Center,Helsinki University, PO Box 65, Helsinki FI-00014, Finland |9 67315 | |
| 700 | 1 | |a Fukao, Takeshi |u Department of Crop and Soil Environmental Sciences, Translational Plant Science Program, Fralin Life Science Institute, Virginia Tech, Blacksburg, VA 24061, USA |9 67316 | |
| 700 | 1 | |9 11986 |a Striker, Gustavo Gabriel |u IFEVA, Facultad de Agronomıa, Universidad de Buenos Aires, CONICET, Av. San Martin 4453, Buenos Aires, Argentina | |
| 773 | 0 | |t New phytologist |w SECS001166 |g Vol.214, no.4 (2017), p.1403-1417 | |
| 856 | |f 2017sasidharan |i En Reservorio |q application/pdf |u http://ri.agro.uba.ar/files/intranet/articulo/2017sasidharan.pdf |x ARTI201806 | ||
| 856 | |u https://www.wiley.com |z LINK AL EDITOR | ||
| 942 | |c ARTICULO | ||
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| 976 | |a AAG | ||