Characterization of Atmosphere PM2.5 and Dustfall in Xining (China)

Ancient wooden constructions, also known as wooden cultural relics, refers to ancient wood that has been modified or crafted by human activities. To ensure its preservation, it is crucial to gain further understanding of the decomposition mechanisms affecting archaeological wood. In this study, we investigated the microbiome diversity and cellulose decomposition processes in a 6300-year-old ancient wooden construction at the Tianluoshan site (7000–6300 cal BP) in Zhejiang Province, China. High-throughput sequencing (HTS) was employed to analyze the metagenomic functions, specifically focusing on the microbial communities' cellulose-degrading pathways using bioinformatic approaches. The findings revealed that the excavation of archaeological wood significantly altered the environment, leading to an accelerated deterioration process. This degradation was primarily influenced by carbohydrate metabolism and xenobiotic biodegradation and metabolism pathways within the complex ecosystem consisting of bacteria, archaea, fungi, microfauna, plants, and algae. Proteobacteria, actinobacteria, ascomycota, and basidiomycota were identified as the main sources of bacterial cellulose-degrading enzymes. The results obtained from this evaluation will provide valuable insights for the development of targeted conservation strategies and prioritization of preservation efforts for the ancient wooden constructions found in different regions of the Tianluoshan site. Graphical Abstract

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Characterization of Atmosphere PM2.5 and Dustfall in Xining (China)

Cited by 3 publications

References 13 publications

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Analysis of the biocorrosion community from ancient wooden constructions at Tianluoshan (7000–6300 cal BP), Zhejiang Province, China

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