Results 61 to 70 of about 1,034 (140)

Artificial electron acceptors decouple archaeal methane oxidation from sulfate reduction [PDF]

, 2016
The oxidation of methane with sulfate is an important microbial metabolism in the global carbon cycle. In marine methane seeps, this process is mediated by consortia of anaerobic methanotrophic archaea (ANME) that live in syntrophy with sulfate-reducing ...
Chadwick, Grayson L., McGlynn, Shawn E., Orphan, Victoria J., Scheller, Silvan, Yu, Hang   +4 more
core   +1 more source

Sediment Depth-Dependent Spatial Variations of Bacterial Communities in Mud Deposits of the Eastern China Marginal Seas

Frontiers in Microbiology, 2018
The mud sediments of the eastern China marginal seas (ECMS) are deposited under different hydrodynamic conditions with different organic matter sources.
Yanlu Qiao, Yanlu Qiao, Jiwen Liu, Jiwen Liu, Meixun Zhao, Meixun Zhao, Xiao-Hua Zhang, Xiao-Hua Zhang   +7 more
doaj   +1 more source

Selective Enrichment Yields Robust Ethene-Producing Dechlorinating Cultures from Microcosms Stalled at cis-Dichloroethene [PDF]

, 2014
: Dehalococcoides mccartyi strains are of particular importance for bioremediation due to their unique capability of transforming perchloroethene (PCE) and trichloroethene (TCE) to non-toxic ethene, through the intermediates cis-dichloroethene (cis-DCE ...

core   +1 more source

First shotgun metagenomics study of Juan de Fuca deep-sea sediments reveals distinct microbial communities above, within, between, and below sulfate methane transition zones [PDF]

, 2023
The marine deep subsurface is home to a vast microbial ecosystem, affecting biogeochemical cycles on a global scale. One of the better-studied deep biospheres is the Juan de Fuca (JdF) Ridge, where hydrothermal fluid introduces oxidants into the sediment
Kaster, Anne-Kristin, Lenk, Florian, Metze, Felix, Vollmers, John   +3 more
core   +2 more sources

Biogeochemical characterization of micritized carbonate grains in the shallow‐marine Al‐Kharrar Lagoon (Red Sea, Saudi Arabia)

Sedimentology, Volume 72, Issue 5, Page 1593-1619, August 2025.
ABSTRACT Micritization of marine carbonate grains is an early diagenetic process involving the alteration of the original carbonate fabric and the formation of cryptocrystalline textures through cycles of dissolution and reprecipitation. Microorganisms play a significant role in this process, actively contributing to the formation of constructive and ...
Camila Areias, Elisa Garuglieri, Thomas Teillet, Viswasanthi Chandra, Ramona Marasco, Volker Vahrenkamp, Daniele Daffonchio, John J. G. Reijmer, Mónica Sánchez‐Román   +8 more
wiley   +1 more source

Probe Capture Enrichment Sequencing of amoA Genes Improves the Detection of Diverse Ammonia‐Oxidising Archaeal and Bacterial Populations

Molecular Ecology Resources, Volume 25, Issue 3, April 2025.
ABSTRACT The ammonia monooxygenase subunit A (amoA) gene has been used to investigate the phylogenetic diversity, spatial distribution and activity of ammonia‐oxidising archaeal (AOA) and bacterial (AOB), which contribute significantly to the nitrogen cycle in various ecosystems. Amplicon sequencing of amoA is a widely used method; however, it produces
Satoshi Hiraoka, Minoru Ijichi, Hirohiko Takeshima, Yohei Kumagai, Ching‐Chia Yang, Yoko Makabe‐Kobayashi, Hideki Fukuda, Susumu Yoshizawa, Wataru Iwasaki, Kazuhiro Kogure, Takuhei Shiozaki   +10 more
wiley   +1 more source

Discovering Hidden Archaeal and Bacterial Lipid Producers in a Euxinic Marine System

Environmental Microbiology, Volume 27, Issue 3, March 2025.
We investigated the bacterial and archaeal membrane lipids in the Black Sea, focusing on isoprenoidal and branched GDGTs, combining high‐resolution accurate mass/mass spectrometry with metagenomics. Our objective was to identify the potential biological producers of these lipids and to begin understanding their role in microbial adaptation.
Dina Castillo Boukhchtaber, F. A. Bastiaan von Meijenfeldt, Diana X. Sahonero Canavesi, Denise Dorhout, Nicole J. Bale, Ellen C. Hopmans, Laura Villanueva   +6 more
wiley   +1 more source

Diversity of Rare and Abundant Prokaryotic Phylotypes in the Prony Hydrothermal Field and Comparison with Other Serpentinite-Hosted Ecosystems

Frontiers in Microbiology, 2018
The Bay of Prony, South of New Caledonia, represents a unique serpentinite-hosted hydrothermal field due to its coastal situation. It harbors both submarine and intertidal active sites, discharging hydrogen- and methane-rich alkaline fluids of low ...
Eléonore Frouin, Méline Bes, Bernard Ollivier, Marianne Quéméneur, Anne Postec, Didier Debroas, Fabrice Armougom, Gaël Erauso   +7 more
doaj   +1 more source

Metabolic potential of uncultured bacteria and archaea associated with petroleum seepage in deep-sea sediments [PDF]

, 2019
Little is known about the microbial ecology of the deep seabed. Here, Dong et al. predict metabolic capabilities and microbial interactions in deep seabed petroleum seeps using shotgun metagenomics, sediment geochemistry, metabolomics, and thermodynamic ...
Bernard, Bernie B., Brooks, James M., Chakraborty, Anirban, Chuvochina, Maria, Dolfing, Jan, Dong, Xiyang, Greening, Chris, Groves, Ryan A., Hubert, Casey R. J., Lewis, Ian A., Li, Carmen, Mayumi, Daisuke, Rattray, Jayne   +12 more
core   +2 more sources

Assessment of the cyst wall and surface microbiota in dormant embryos of the Antarctic calanoid copepod, Boeckella poppei

Environmental Microbiology Reports, Volume 16, Issue 6, December 2024.
A diverse microbiome colonizes the surface of dormant copepod embryos, which can survive for ~200 years in lake sediments. During dormancy, the outer two layers of a five‐layered cyst wall break apart, while the third layer remains undamaged, despite the presence of microbial species with chitinase genes.
Hunter B. Arrington, Sung Gu Lee, Jun Hyuck Lee, Joseph A. Covi   +3 more
wiley   +1 more source