检索结果-南通市图书馆

Seasonal variation of airborne fungi of the Tiantishan Grottoes andWestern Xia Museum,Wuwei,China

Research in Cold and Arid Regions 2021年第6期13卷 522-532页

作者： YuLong Duan FaSi Wu DongPeng He RuiHong Xu HuYuan Feng Tuo Chen GuangXiu Liu WanFu Wang Northwest Institute of Eco-Environment and Resources Chinese Academy of SciencesLanzhouGansu 730000China National Research Center for Conservation of ancient wall paintings and Earthen Sites Dunhuang AcademyDunhuangGansu 736200China MOE Key Laboratory of Cell Activities and Stress Adaptations School of Life SciencesLanzhou UniversityLanzhouGansu 730000China School of Environment and Municipal Engineering Lanzhou Jiaotong UniversityLanzhouGansu 730000China Naiman Desertification Research Station Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesTongliaoInner Mongolia 028300China

In this study,a systematic survey of cultural airborne fungi was carried out in the occurrence environments of wall paintings that are preserved in the Tiantishan Grottoes and the Western Xia Museum,China.A bio-aerosol sampler was used for sampling in four seasons in ***-dependent and-independent methods were taken to acquire airborne fungal concentration and purified strains;by the extraction of genomic DNA,amplification of fungal ITS rRNA gene region,sequencing,and phylogenetic analysis,thereafter the fungal community composition and distribution characteristics of different study sites were *** disclosure the main environmental factors which may be responsible for dynamic changes of airborne fungi at the sampling *** concentration of cultural airborne fungi was in a range from 13 to 1,576 CFU/m^(3),no significant difference between the two sites at the Tiantishan Grottoes,with obvious characteristics of seasonal variation,in winter and spring were higher than in summer and ***,there was a significant difference in fungal concentration between the inside and outside of the Western Xia Museum,the outside of the museum was far more than the inside of the museum in the four seasons,particularly in the *** fungal genera were detected,including Cladosporium,Penicillium,Alternaria,and Filobasidium as the dominant *** airborne fungal community structures of the Tiantishan Grottoes show a distinct characteristic of seasonal variation and spatial *** humidity,temperature and seasonal rainfall influence airborne fungal *** of the isolated strains have the potential to cause biodeterioration of ancient wall *** study provides supporting information for the pre-warning conservation of cultural relics that are preserved at local sites and inside museums.

关键词： airborne fungi community characteristics ancient wall paintings monitoring and pre-warning

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