{"title":"对木材中 24 链微纤维假设的批判性评论","authors":"Paavo A. Penttilä, Antti Paajanen","doi":"10.1038/s41477-024-01689-w","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":18904,"journal":{"name":"Nature Plants","volume":null,"pages":null},"PeriodicalIF":15.8000,"publicationDate":"2024-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Critical comment on the assumptions leading to 24-chain microfibrils in wood\",\"authors\":\"Paavo A. Penttilä, Antti Paajanen\",\"doi\":\"10.1038/s41477-024-01689-w\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":18904,\"journal\":{\"name\":\"Nature Plants\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":15.8000,\"publicationDate\":\"2024-05-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nature Plants\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://www.nature.com/articles/s41477-024-01689-w\",\"RegionNum\":1,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"PLANT SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nature Plants","FirstCategoryId":"99","ListUrlMain":"https://www.nature.com/articles/s41477-024-01689-w","RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
摘要
源自 H.-C. Tai et al.Tai et al. Nature Plants https://doi.org/10.1038/s41477-023-01430-z (2023)植物细胞壁中平均纤维素微纤维(CMF,又称基本纤维)所包含的纤维素链数量仍是一个未解决的课题,新的表征技术可以使人们更好地了解这一问题。最近,Tai 等人1 结合小角 X 射线散射(SAXS)和固态核磁共振(ssNMR)光谱,估算了不同木材样品次生细胞壁中纤维素微纤维(CMF)的链数,得出的数值为 24。他们推算链数的方法依赖于一个假设,即 CMF 核心与表面链之间存在明显的电子密度差,而我们认为这并不现实。相反,如果假设 CMF 与半纤维素/水基质界面的密度差异较大,则结果可能支持 CMF 中的链数较少。
期刊介绍:
Nature Plants is an online-only, monthly journal publishing the best research on plants — from their evolution, development, metabolism and environmental interactions to their societal significance.