文献类型：期刊文献

英文题名：Use of atomic force microscopy to view ultrastructure of the fiber cell wall in Phyllostachys edulis culms

作者：Lian, Caiping[1,5] An, Xin[2,4] Lv, Huangfei[3] Wu, Zhihui[1,5] Cao, Mingxing[1,5] Fei, Benhua[4]

第一作者：Lian, Caiping

机构：[1] Nanjing Forestry University, Nanjing, 10037, China; [2] Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, 100191, China; [3] Anhui Agricultural University, Hefei, 230036, China; [4] International Centre for Bamboo and Rattan, Beijing, 100102, China; [5] Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing, 10037, China

年份：2023

卷号：30

期号：4

起止页码：1999-2006

外文期刊名：Cellulose

收录：EI(收录号：20230213369294);Scopus(收录号：2-s2.0-85145834465)

语种：英文

外文关键词：Atomic force microscopy - Bamboo - Cells - Cellulose - Cytology - Fibers

摘要：Bamboo fiber cell wall structure, including cellulose microfibril morphology, endows fibers with excellent and stable mechanical strength and toughness. Due to the imaging resolution limitations, the ultra-structure of bamboo fiber cell walls remains elusive. Here we characterized the fiber cell wall’s inherent structure and the cellulose microfibril’s cross-sectional shape from native and delignified inclined samples, and the tangential sections of moso bamboo using atomic force microscopy. The secondary cell wall sublayer was composed of multiple microfibril layers, 20?nm in thickness each. The 18?nm in diameter spherical particles between microfibrils were lignin. The bamboo fiber cell wall’s microfibrils were composed of various numbers of individual cellulose elementary fibrils (CEFs), including one, two, three, four, and multiple CEFs (up to 7 CEFs). The microfibrils’ dimensions varied from 3.5 to 40?nm. Additionally, branched microfibrils are described for the first time in the bamboo plant. The study provides insight into the nanometer-scale structure of the fiber cell wall in the bamboo plant. ? 2023, The Author(s), under exclusive licence to Springer Nature B.V.