Environmental Drivers of the Moonmilk Microbiome Diversity in Some Temperate and Tropical Caves

被引:0
|
作者
Theodorescu, Mihail [1 ]
Bucur, Ruxandra [1 ,2 ]
Bulzu, Paul-Adrian [3 ]
Faur, Luchiana [2 ,4 ]
Levei, Erika Andrea [5 ]
Mirea, Ionut Cornel [2 ,4 ]
Cadar, Oana [5 ]
Ferreira, Rodrigo Lopes [6 ]
Souza-Silva, Marconi [6 ]
Moldovan, Oana Teodora [1 ,2 ,7 ]
机构
[1] Emil Racovita Inst Speleol, Cluj Napoca Dept, Clinicilor 5, Cluj Napoca 400006, Romania
[2] Romanian Inst Sci & Technol, Virgil Fulicea 3, Cluj Napoca 400022, Romania
[3] Acad Sci Czech Republ, Inst Hydrobiol, Dept Aquat Microbial Ecol, Biol Ctr, Ceske Budejovice 37005, Czech Republic
[4] Emil Racovita Inst Speleol, 13 Septembrie 13, Bucharest 050711, Romania
[5] Res Inst Analyt Instrumentat subsidiary, Natl Inst Res, Dev Optoelect INOE 2000, Donath 67, Cluj Napoca 400293, Romania
[6] Univ Fed Lavras, Ctr Estudos Biol Subterranea, Dept Ecol & Conservacao, Campus Univ, BR-37202553 Lavras, MG, Brazil
[7] Ctr Nacl Evoluc Humana, Paseo Sierra Atapuerca 3, Burgos 09002, Spain
关键词
Cave deposit; Microbial community; 16S RNA; Metabarcoding; Chemical composition; XRD; BACTERIAL COMMUNITIES; DEPOSITS; GEOMICROBIOLOGY; SPELEOTHEMS; ORIGIN;
D O I
10.1007/s00248-023-02286-8
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Moonmilk is a cave deposit that was used for medical and cosmetic purposes and has lately raised interest for its antimicrobial potential. We studied five moonmilk samples from four caves with different microclimatic conditions, two temperate in north-western and northern Romania (Ferice, Fa ța Apei, and Izvorul Tausoarelor caves) and one tropical in Minas Gerais, Brazil (Nestor Cave). The physicochemical and mineralogical analyses confirmed the presence of calcite and dolomite as the main phase in the moonmilk. A 16S rRNA gene-based metabarcoding approach showed the most abundant bacteria phyla Proteobacteria, GAL15, Actinobacteriota, and Acidobacteriota. The investigated caves differed in the dominant orders of bacteria, with the highest distance between the Romanian and Nestor Cave samples. Climate and, implicitly, the soil microbiome can be responsible for some differences we found between all the samples. However, other factors can be involved in shaping the moonmilk microbiome, as differences were found between samples in the same cave (Ferice). In our five moonmilk samples, 1 phylum, 70 orders (similar to 36%), and 252 genera (similar to 47%) were unclassified, which hints at the great potential of cave microorganisms for future uses.
引用
收藏
页码:2847 / 2857
页数:11
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