西班牙卡斯塔纳山洞的第二次真菌爆发揭示了地下生态系统的脆弱性
Tamara Martin-Pozas1,2, Alena Nováková3, Valme Jurado4
1Museo Nacional de Ciencias Naturales, MNCN-CSIC, 28006, Madrid, Spain.
Microbial ecology
|March 20, 2024
概括
卡斯塔纳山洞的真菌爆发尽管有游客限制,但反复出现. 分析显示,疫情真菌早些时候存在,但不同的物种导致了每次疫情,可能是由于基础设施的新碳来源.
科学领域:
- 洞穴微生物学 洞穴微生物学
- 菌类生态学 菌类生态学
- 环境监测环境监测环境监测
背景情况:
- 自2008年以来,Castañar洞穴一直面临着真菌爆发,因此需要严格控制访客.
- 尽管对游客的限制和以前的关闭,第二次爆发发生在2021年,与新的基础设施有关.
研究的目的:
- 为了调查与2021年卡斯塔纳山洞爆发相关的真菌群落.
- 将当前的真菌群落与疫情爆发前的样本进行比较.
- 了解管理的洞穴环境中复发性真菌生长的驱动因素.
主要方法:
- 利用下一代测序 (NGS) 进行全面的真菌社区分析.
- 采用文化依赖的技术来隔离和识别真菌.
- 从2021年疫情爆发前和期间收集的样本中分析了真菌成分.
主要成果:
- 在2021年疫情中占主导地位的真菌在2020年及之前 (2008-2009) 的洞穴样本中被检测到.
- 确定的真菌物种被确定为2008年和2021年爆发的主要病原体.
- 引入的碳来源的差异被假设为影响爆发物种的关键因素.
结论:
- 卡斯塔纳山洞中经常出现的真菌爆发受到先前存在的真菌群落和新的环境引入的影响.
- 基础设施的发展,即使是为了保护,也可以引入新的碳来源,促进特定的真菌生长.
- 长期监测和了解微生物生态对于管理敏感的洞穴生态系统至关重要.
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