Cloetens Peter, Mache Régis, Schlenker Michel, Lerbs-Mache Silva
European Synchrotron Radiation Facility, B.P. 220, F-38043 Grenoble, France.
Proc Natl Acad Sci U S A. 2006 Sep 26;103(39):14626-30. doi: 10.1073/pnas.0603490103. Epub 2006 Sep 14.
We used quantitative phase tomography with synchrotron radiation to elucidate the 3D structure of Arabidopsis seeds in their native state. The cells are clearly distinguished, and their internal structure is revealed through local variations in electron density. We visualized a 3D network of intercellular air space that might allow immediate gas exchange for energy supply during germination and/or serve for rapid water uptake and distribution during imbibition.
我们使用同步辐射定量相断层扫描技术来阐明拟南芥种子在其自然状态下的三维结构。细胞清晰可辨，其内部结构通过电子密度的局部变化得以揭示。我们可视化了细胞间气腔的三维网络，这可能在种子萌发期间允许即时的气体交换以供应能量，和/或在吸水过程中用于快速的水分吸收和分布。
