Visualizing Microorganism-Mineral Interaction in the Iberian Pyrite Belt Subsurface: The Acidovorax Case

被引：13
|
作者：
Escudero, Cristina [1 ,2 ]
del Campo, Adolfo [3 ]
Ares, Jose R. [4 ]
Sanchez, Carlos [4 ]
Martinez, Jose M. [1 ]
Gomez, Felipe [2 ]
Amils, Ricardo [1 ,2 ]
机构：
[1] Univ Autonoma Madrid, Ctr Biol Mol Severo Ochoa CBMSO, CSIC UAM, Madrid, Spain
[2] INTA CSIC, Ctr Astrobiol CAB, Dept Planetol & Habitabilidad, Madrid, Spain
[3] CSIC, Inst Ceram & Vidrio, Dept Electroceram, Madrid, Spain
[4] Univ Autonoma Madrid, Dept Fis Mat, Madrid, Spain
来源：
FRONTIERS IN MICROBIOLOGY | 2020年 / 11卷
关键词：
fluorescence in situ hybridization; confocal Raman microscopy; Raman-FISH; subsurface; Acidovorax; pyrite; geomicrobiology; DEPENDENT FE(II) OXIDATION; NITRATE-REDUCING BACTERIA; IN-SITU HYBRIDIZATION; RAMAN-SPECTROSCOPY; DEEP SUBSURFACE; GROUNDWATER; DENITRIFICATION; IDENTIFICATION; DIVERSITY; REDUCTION;
D O I：
10.3389/fmicb.2020.572104
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Despite being considered an extreme environment, several studies have shown that life in the deep subsurface is abundant and diverse. Microorganisms inhabiting these systems live within the rock pores and, therefore, the geochemical and geohydrological characteristics of this matrix may influence the distribution of underground biodiversity. In this study, correlative fluorescence and Raman microscopy (Raman-FISH) was used to analyze the mineralogy associated with the presence of members of the genus Acidovorax, an iron oxidizing microorganisms, in native rock samples of the Iberian Pyrite Belt subsurface. Our results suggest a strong correlation between the presence of Acidovorax genus and pyrite, suggesting that the mineral might greatly influence its subsurface distribution.
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页数：11
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