Airborne bacteria in show caves from Southern Spain.

IF 4.1 3区 生物学 Q2 CELL BIOLOGY Microbial Cell Pub Date : 2021-07-26 eCollection Date: 2021-10-04 DOI:10.15698/mic2021.10.762
Irene Dominguez-Moñino, Valme Jurado, Miguel Angel Rogerio-Candelera, Bernardo Hermosin, Cesareo Saiz-Jimenez
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Abstract

This work presents a study on the airborne bacteria recorded in three Andalusian show caves, subjected to different managements. The main differences within the caves were the absence of lighting and phototrophic biofilms in Cueva de Ardales, the periodic maintenance and low occurrence of phototrophic biofilms in Gruta de las Maravillas, and the abundance of phototrophic biofilms in speleothems and walls in Cueva del Tesoro. These factors conditioned the diversity of bacteria in the caves and therefore there are large differences among the CFU m-3, determined using a suction impact collector, equipment widely used in aerobiological studies. The study of the bacterial diversity, inside and outside the caves, indicates that the air is mostly populated by bacteria thriving in the subterranean environment. In addition, the diversity seems to be related with the presence of abundant phototrophic biofilms, but not with the number of visitors received by each cave.

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西班牙南部表演洞穴中的空气传播细菌。
这项研究介绍了在三个安达卢西亚表演洞穴中记录到的空气传播细菌,这些洞穴受到不同的管理。洞穴内的主要差异在于阿达莱斯岩洞(Cueva de Ardales)没有照明和光养生物膜,马拉维拉斯岩洞(Gruta de las Maravillas)定期维护且光养生物膜较少,而特索罗岩洞(Cueva del Tesoro)的洞穴和洞壁上有大量光养生物膜。这些因素决定了洞穴中细菌的多样性,因此,使用空气生物学研究中广泛使用的设备--抽吸冲击收集器测定的每立方米 CFU 数量之间存在很大差异。对洞穴内外细菌多样性的研究表明,空气中的细菌大多在地下环境中繁衍生息。此外,多样性似乎与是否存在丰富的光养生物膜有关,但与每个洞穴接待的游客数量无关。
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来源期刊
Microbial Cell
Microbial Cell Multiple-
CiteScore
6.40
自引率
0.00%
发文量
32
审稿时长
12 weeks
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