ArticleThe New phytologist2013
Void space inside the developing seed of Brassica napus and the modelling of its function.
Article in The New phytologist, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 52 citations in OpenAlex.
- Advances in seed hypoxia research.Plant physiology · 2024Article
- Causes and consequences of endogenous hypoxia on growth and metabolism of developing maize kernels.Plant physiology · 2023Article
- Synchrotron tomography applications in agriculture and food sciences research: a review.Plant methods · 2022Review
- Plant multiscale networks: charting plant connectivity by multi-level analysis and imaging techniques.Science China. Life sciences · 2021Review
- Cellular Plasticity in Response to Suppression of Storage Proteins in theThe Plant cell · 2020Article
- The Glucosinolates: A Sulphur Glucoside Family of Mustard Anti-Tumour and Antimicrobial Phytochemicals of Potential Therapeutic Application.Biomedicines · 2019Review
- Micron-scale Phenotyping Techniques of Maize Vascular Bundles Based on X-ray Microcomputed Tomography.Journal of visualized experiments : JoVE · 2018Article
- 3D Reconstruction of Lipid Droplets in the Seed of Brassica napus.Scientific reports · 2018Article
- Down-regulation of respiration in pear fruit depends on temperature.Journal of experimental botany · 2018Article
- Quantification of seed-soil contact of sugar beet (Plant methods · 2017Article
- phenoSeeder - A Robot System for Automated Handling and Phenotyping of Individual Seeds.Plant physiology · 2016Article
- Automatic analysis of the 3-D microstructure of fruit parenchyma tissue using X-ray micro-CT explains differences in aeration.BMC plant biology · 2015Article
- Fast virtual histology using X-ray in-line phase tomography: application to the 3D anatomy of maize developing seeds.Plant methods · 2015Article
- Article
- Physical, metabolic and developmental functions of the seed coat.Frontiers in plant science · 2014Review
- Seed architecture shapes embryo metabolism in oilseed rape.The Plant cell · 2013Article
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Authors and funding
9 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The developing seed essentially relies on external oxygen to fuel aerobic respiration, but it is currently unknown how oxygen diffuses into and within the seed, which structural pathways are used and what finally limits gas exchange. By applying synchrotron X-ray computed tomography to developing oilseed rape seeds we uncovered void spaces, and analysed their three-dimensional assembly. Both the testa and the hypocotyl are well endowed with void space, but in the cotyledons, spaces were small and poorly inter-connected. In silico modelling revealed a three orders of magnitude range in oxygen diffusivity from tissue to tissue, and identified major barriers to gas exchange. The oxygen pool stored in the voids is consumed about once per minute. The function of the void space was related to the tissue-specific distribution of storage oils, storage protein and starch, as well as oxygen, water, sugars, amino acids and the level of respiratory activity, analysed using a combination of magnetic resonance imaging, specific oxygen sensors, laser micro-dissection, biochemical and histological methods. We conclude that the size and inter-connectivity of void spaces are major determinants of gas exchange potential, and locally affect the respiratory activity of a developing seed.
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