Bats, climate, and air microorganisms in a Romanian cave

Borda, Daniela; Borda, Cristin; Tămaș, Tudor

doi:10.1515/mamm.2004.033

Cited by 23 publications

(7 citation statements)

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“…Air samples were collected using the Koch sedimentation method ( Borda et al 2004 , Kuzmina et al 2012 ). Three Petri dishes that contained 2 % potato-dextrose agar (PDA, Difco) were exposed to the atmosphere in the cave for 15 min at each sampling site, then sealed with Parafilm and placed in zip-locked plastic bags.…”

Section: Methodsmentioning

confidence: 99%

Culturable mycobiota from Karst caves in China, with descriptions of 20 new species

Zhang¹,

Liu²,

Zhou³

et al. 2017

persoonia

114

132

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Karst caves are distinctly characterised by darkness, low to moderate temperatures, high humidity, and scarcity of organic matter. During the years of 2014–2015, we explored the mycobiota in two unnamed Karst caves in Guizhou province, China, and obtained 563 fungal strains via the dilution plate method. Preliminary ITS analyses of these strains suggested that they belonged to 246 species in 116 genera, while 23.5 % were not identified to species level. Among these species, 85.8 % (211 species) belonged to Ascomycota; 7.3 % (18 species) belonged to Basidiomycota; 6.9 % (17 species) belonged to Mucoromycotina. The majority of these species have been previously known from other environments, mostly from plants or animals as pathogens, endophytes or via a mycorrhizal association. We also found that 59 % of these species were discovered for the first time from Karst caves, including 20 new species that are described in this paper. The phylogenetic tree based on LSU sequences revealed 20 new species were distributed in six different orders. In addition, ITS or multi-locus sequences were employed to infer the phylogenetic relationships of new taxa with closely related allies. We conclude that Karst caves encompass a high fungal diversity, including a number of previously unknown species. Novel species described include: Amphichorda guana, Auxarthronopsis guizhouensis, Biscogniauxia petrensis, Cladorrhinum globisporum, Collariella quadrum, Gymnoascus exasperatus, Humicola limonisporum, Metapochonia variabilis, Microascus anfractus, Microascus globulosus, Microdochium chrysanthemoides, Paracremonium variiforme, Pectinotrichum chinense, Phaeosphaeria fusispora, Ramophialophora globispora, Ramophialophora petraea, Scopulariopsis crassa, Simplicillium calcicola, Volutella aeria, and Wardomycopsis longicatenata.

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Section: Methodsmentioning

confidence: 99%

Culturable mycobiota from Karst caves in China, with descriptions of 20 new species

Zhang¹,

Liu²,

Zhou³

et al. 2017

persoonia

114

132

View full text Add to dashboard Cite

show abstract

“…Previous studies show that cave fungi might originate from the non‐subterranean environment, as all the recorded genera and most of the identified species in caves have been recorded previously from above‐ground environment (Vanderwolf et al, ; Zhang et al, ). For example, microfungi in cave air were found to be related to those in the air outside caves (Borda, Borda, & Tămaş, ; Docampo et al, ; Wang et al, ) or those in rainfall (Docampo et al, ). By comparing the divergence times of suspected obligate troglobitic fungi to cave formation geologic age, Zhang et al () found that the geographic history of caves is too short for fungal speciation.…”

Section: Introductionmentioning

confidence: 99%

Substrate and spatial variables are major determinants of fungal community in karst caves in Southwest China

Zhang

Cai

2019

Journal of Biogeography

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Aim Previous studies primarily based on the culture method have revealed that caves host a high fungal diversity and that exogenous carbon sources influence fungal communities. Here, we assess the fungal diversity and distribution patterns in karst caves in Southwest China and reveal the major factors that shape the fungal communities. Location Southwest China. Methods Samples of air, rock, sediment and water were collected from eight caves in Southwest China. Using high‐throughput sequencing of the internal transcribed spacer 1 region of fungal rDNA, we examined the cave fungal communities in Southwest China and studied their correlations with potentially influential factors, such as substrate, cave, location and environmental variables. Results Approximately 10,000 fungal operational taxonomic units (OTUs) spanning 15 phyla were obtained. The highest diversity genus was Penicillium, while Mortierella had the highest relative abundance. Compared with air and rock samples, sediment and water samples harboured higher diversity and distinct communities. Substrate and cave were revealed to be the key determinants of the fungal communities in caves. Sample location and sampling distance from the entrance had more significant impacts on rock and sediment communities than on air and water assemblages. The fungal assemblages in air and water samples from the cave and outside cave environments were similar, while those of rock and sediment samples were significantly different. Main conclusions Our results indicate that sediment and water harboured higher fungal diversity than air and rock, and substrate and spatial variables are key determinants of fungal communities in caves.

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“…It is hoped that studies into terrain caves will provide insights into the potential microbial composition, diversity, dynamics and relationships, and evolutionary importance of earlier microbial 1 Advances and Challenges in Studying Cave Microbial Diversity life on Earth and life on other planets (Pedersen 2000 ; Storrie-Lombardi and Sattler 2009 ;Storrie-Lombardi et al 2009 ) . Additionally, studies in sul fi dic and ice caves have also helped elucidate a complex microbial community structure in what is seemingly an inhospitable environment to most life forms (Priscu et al 1999 ;Rohwerder et al 2003 ;Borda and Borda 2006 ;Borda et al 2004 ;Chen et al 2009 ;Rusu et al 2011 ) .…”

Section: General Synopsis Of Cave Habitatsmentioning

confidence: 99%

Cave Microbiomes: A Novel Resource for Drug Discovery

Cheeptham¹

2013

SpringerBriefs in Microbiology

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Bats, climate, and air microorganisms in a Romanian cave

Abstract: Monthly surveys of bat dynamics, temperature, and humidity were performed for the duration of one year in a Romanian cave (Măgurici Cave).

Cited by 23 publications

References 0 publications

Culturable mycobiota from Karst caves in China, with descriptions of 20 new species

Culturable mycobiota from Karst caves in China, with descriptions of 20 new species

Substrate and spatial variables are major determinants of fungal community in karst caves in Southwest China

Cave Microbiomes: A Novel Resource for Drug Discovery

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