•  
  •  
 

Most Popular Papers *

PDF

Sulfur Cave (Romania), an extreme environment with microbial mats in a CO2-H2S/O2 gas chemocline dominated by mycobacteria
Serban M. Sarbu, Joost W. Aerts, Jean-François Flot, Rob J.M. Van Spanning, Calin Baciu, Artur Ionescu, Boglárka M. Kis, Reka Incze, Sándor Sikó-Barabási, Zoltan Para, Botond Hegyeli, Nicu-Viorel Atudorei, Casey Barr, Kenneth Nealson, Ferenc L. Forray, Cristian Lascu, Emily J. Fleming, Wilbert Bitter, and Radu Popa

  • Sulfur Cave (Romania) is fed by mofettic emissions of CO2, CH4, H2S, and water vapors
  • A redox gas chemocline (i.e. oxic/anoxic gas/gas interface) occurs in Sulfur Cave
  • Microbial biofilms colonize the cave walls at the gas/gas interface
  • Below the interface, rich deposits of twinned and elongated sulfur crystals are found
  • Sulfur Cave biofilms are important in the search for life in extreme environments

PDF

Drip water measurements from Carlsbad Cavern: implications towards paleoclimate records yielded from evaporative-zone stalagmites
Victor J. Polyak, Jessica B.T. Rasmussen, and Yemane Asmerom

  • Two-year drip water study of four drip sites in Carlsbad Cavern
  • Drip rates are tied to surface and cave climatology
  • Ca, Mg, Sr, Ba, U, and Th elemental concentrations of drip water are reported
  • U and Th isotopic ratios were measured
  • Drip rates differed from site to site in the same cave room

PDF

Underground dinosaur tracksite inside a karst of southern France: Early Jurassic tridactyl traces from the Dolomitic Formation of the Malaval Cave (Lozère)
Jean-David Moreau, Vincent Trincal, Daniel André, Louis Baret, Alain Jacquet, and Michel Wienin

  • Hettangian tridactyl dinosaur tracks were discovered in the Malaval Cave (southern France)
  • The tracksite was studied using photogrammetric imaging technique
  • More than 26 footprints of theropods were identified
  • The depositional environment varied from subtidal to intertidal/supratidal flat marsh
  • This work highlights the great interest to heighten palaeoichnological prospections in karsts

PDF

Antimicrobial activities of culturable microorganisms (actinomycetes and fungi) isolated from Chaabe Cave, Algeria
Larbi Belyagoubi, Nabila Belyagoubi-Benhammou, Valme Jurado, Joëlle Dupont, Sandrine Lacoste, Fatima Djebbah, Fatima Z. Ounadjela, Souad Benaissa, Salim Habi, Djamel E. Abdelouahid, and Cesareo Saiz-Jimenez

  • No publication has investigated the microbial diversity in cave ecosystems in Africa (or Algeria)
  • Main aim of this study was the identification of microorganisms with antimicrobial potential
  • The isolates were identified by molecular tools and tested for their bioactive compounds
  • The data indicated that the majority (72.86%) of the 70 isolates were active
  • The Chaabe Cave possesses a diversity of organisms that could lead to fresh sources of antibiotics

PDF

Bacterial diversity associated with mineral substrates and hot springs from caves and tunnels of the Naica Underground System (Chihuahua, Mexico)
Adriana Espino del Castillo, Hugo Beraldi-Campesi, Patricia Amador-Lemus, Hiram Isaac Beltrán, and Sylvie Le Borgne

  • Bacterial communities present on mineral substrates and in hot springs were studied
  • DGGE showed communities grouping according to substrate type and sample location
  • Bacterial isolates included Firmicutes, Beta- and Gammaproteobacteria
  • Some strains could precipitate calcium carbonate and iron(III) in solid media
  • This study is the first reporting the isolation of microorganisms from Naica

PDF

A world review of fungi, yeasts, and slime molds in caves
Karen J. Vanderwolf, David Malloch, Donald F. McAlpine, and Graham J. Forbes

* Based on the average number of full-text downloads per day since the paper was posted.
» Updated as of 06/20/18.