文献类型：期刊文献

英文题名：Study on the effect of ethylene oxide fumigation on the colonies of unearthed wooden cultural relics

作者：Li, Hui[1] Pan, Zeyu[1] Yang, Chuan[2] Sun, Meng[3] Jiang, Hui[1] Cao, Buyu[2] Ma, Xingxia[1]

通信作者：Ma, XX[1]

机构：[1]Chinese Acad Forestry, Res Inst Wood Ind, Beijing 100091, Peoples R China;[2]Beijing Lu Cty Gucheng Ruins Pk Management Off, Beijing 100044, Peoples R China;[3]Beijing Inst Archaeol, Beijing 100009, Peoples R China

年份：2026

卷号：208

外文期刊名：INTERNATIONAL BIODETERIORATION & BIODEGRADATION

收录：;EI(收录号：20260119851052);Scopus(收录号：2-s2.0-105026246320);WOS:【SCI-EXPANDED(收录号:WOS:001658642900001)】；

基金：This work was financially supported by the National Key R & D Pro-gram of China (Grant No. 2024YFD2201203) , the Fundamental Research Funds of the Chinese Academy of Forestry (CAFYBB2023PA004) , and the National Natural Science Foundation of China (Grant No. 31971588) , which are gratefully acknowledged.

语种：英文

外文关键词：Wood biodegradation; Fumigation treatment; Wooden cultural relics; Ethylene oxide fumigation (EOF); Soft-rot

摘要：This study aimed to evaluate the disinfection effectiveness of ethylene oxide fumigation (EOF) on unearthed wooden cultural relics, with offering practical references for the selection of more comprehensive protection strategies for wood. Two ancient wooden wells from the Beijing Lu County Gucheng ruins park were treated with EOF. Wood species were identified, and rotten wood was observed microscopically. Microbial communities were analyzed through tissue isolation and high-throughput sequencing. Growth characteristics, lignocellulosedegrading enzyme activities, and microbial interactions of isolated strains were further assessed. Enzymatic analyses showed that most isolates lacked ligninolytic activity but exhibited cellulase activity, consistent with soft-rot patterns observed in the wooden wells. Before fumigation, fourteen fungal species were isolated, with Exophiala and Anthracobia dominating. After EOF treatment, only five fungal species were isolated, indicating a substantial reduction in microbial diversity. EOF reduced surface fungal loads but did not fully eliminate deeply invasive strains. These findings indicate the limited sterilization capacity of EOF for archaeological wood, for which improved or complementary disinfection strategies may be required to ensure the long-term preservation of deeply deteriorated wooden cultural relics.