Development of Methods for Protecting Mammoth Tusks from Biocontamination

IF 1 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Applied Biochemistry and Microbiology Pub Date : 2024-12-18 DOI:10.1134/S000368382460461X

E. S. Petukhova, L. A. Erofeevskaya, T. A. Isakova, V. V. Pavlova, T. M. Solovev, G. V. Botvin, A. A. Chirikov, V. V. Petrov

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Abstract

The results of studies of the effectiveness of various methods of protecting mammoth tusks from microbiological contamination under long-term storage conditions are presented. When analyzing swabs taken from the surfaces of mammoth tusk samples before exposure, the landscape of isolated microorganisms was dominated by bacteria of the genera Bacillus, Chryseobacterium, and Enterobacter with biocontamination of bone tissue caused mainly by microorganisms from the external environment (air, anthropogenic impact, etc.). Of the proposed options for protection against biocontamination, the method that showed the greatest effectiveness was the treatment of mammoth tusks with a hydrophobic-biocide composition, followed by mechanical isolation in plastic film. When using this method of protection, the total contamination of mammoth tusk samples after six months of exposure in various conditions decreased by 4–5 times.

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开发保护猛犸象头骨免受生物污染的方法

本文介绍了在长期储存条件下保护猛犸象牙免受微生物污染的各种方法的有效性研究结果。在分析暴露前从猛犸象牙样本表面采集的拭子时，分离出的微生物主要是芽孢杆菌属、奇异变形杆菌属和肠杆菌属的细菌，骨组织的生物污染主要是由外部环境（空气、人为影响等）中的微生物造成的。在提出的防止生物污染的方案中，最有效的方法是用疏水性生物杀灭剂处理猛犸象牙，然后用塑料薄膜进行机械隔离。在使用这种保护方法时，猛犸象牙样本在各种条件下暴露 6 个月后，总污染量减少了 4-5 倍。

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来源期刊

Applied Biochemistry and Microbiology 生物-生物工程与应用微生物

CiteScore

1.70

自引率

12.50%

发文量

审稿时长

6-12 weeks

期刊介绍： Applied Biochemistry and Microbiology is an international peer reviewed journal that publishes original articles on biochemistry and microbiology that have or may have practical applications. The studies include: enzymes and mechanisms of enzymatic reactions, biosynthesis of low and high molecular physiologically active compounds; the studies of their structure and properties; biogenesis and pathways of their regulation; metabolism of producers of biologically active compounds, biocatalysis in organic synthesis, applied genetics of microorganisms, applied enzymology; protein and metabolic engineering, biochemical bases of phytoimmunity, applied aspects of biochemical and immunochemical analysis; biodegradation of xenobiotics; biosensors; biomedical research (without clinical studies). Along with experimental works, the journal publishes descriptions of novel research techniques and reviews on selected topics.