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Astrobiology of life on Earth

John E Hallsworth, Rocco L Mancinelli, Cassie A Conley, Tiffany D Dallas, Teresa Rinaldi, Alfonso F Davila, Kathleen C Benison, Alexander Rapoport, Barbara Cavalazzi, Laura Selbmann, Hitesh Changela, Frances Westall (+3 others)
2021 Environmental Microbiology  
; and interactions of microbes with igneous and sedimentary rocks.  ...  We highlight potential implications of this approach through the articles in this Environmental Microbiology special issue "Ecophysiology of extremophiles".  ...  ; subsurface and deep biosphere, including a salticle formed within Triassic halite; and interactions of microbes with igneous and sedimentary rocks.  ... 
doi:10.1111/1462-2920.15499 pmid:33817931 fatcat:bls3mt5uc5dankixgkk6gzpc4i

The role of fungi in heterogeneous sediment microbial networks

Jenny Marie Booth, Marco Fusi, Ramona Marasco, Grégoire Michoud, Stilianos Fodelianakis, Giuseppe Merlino, Daniele Daffonchio
2019 Scientific Reports  
We selected a sediment environment with high niche diversity due to prevalent macrofaunal bioturbation, namely intertidal mangrove sediment, and explored the assembly of bacteria, archaea and fungi in  ...  other environmental variables to determine the overall microbial community structure.  ...  The authors are grateful to Christopher McQuaid and Tumeka Mbobo for their invaluable help in South Africa.  ... 
doi:10.1038/s41598-019-43980-3 pmid:31101834 pmcid:PMC6525233 fatcat:mzjpou5kxfg3nmdu4oaqmjgzfi

Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids

Lotta Purkamo, Malin Bomberg, Riikka Kietäväinen, Heikki Salavirta, Mari Nyyssönen, Maija Nuppunen-Puputti, Lasse Ahonen, Ilmo Kukkonen, Merja Itävaara
2016 Biogeosciences  
Bacterial communities in fractures resemble those found in oligotrophic, hydrogen-enriched environments.  ...  Sulfate reducers and methanogens form a minority of the total microbial communities, but OTUs forming these minor groups are similar to those found in other deep Precambrian terrestrial bedrock environments  ...  Mirva Pyrhönen is acknowledged for excellent laboratory skills and help in preparing the sampling trips.  ... 
doi:10.5194/bg-13-3091-2016 fatcat:lrxiodqoizeazf3qwdfk5n5sbu

Novel Microbial Groups Drive Productivity in an Archean Iron Formation

Cody S. Sheik, Jonathan P. Badalamenti, Jon Telling, David Hsu, Scott C. Alexander, Daniel R. Bond, Jeffrey A. Gralnick, Barbara Sherwood Lollar, Brandy M. Toner
2021 Frontiers in Microbiology  
Deep subsurface environments are decoupled from Earth's surface processes yet diverse, active, and abundant microbial communities thrive in these isolated environments.  ...  Of the few systems that have been characterized, it is apparent that nutrient limitations likely facilitate diverse microbe-microbe interactions (i.e., syntrophic, symbiotic, or parasitic) and that these  ...  We would like to acknowledge that the DNA sequencing was provided through the Census of Deep Life supported through the Sloan Foundation and the Deep Carbon Observatory.  ... 
doi:10.3389/fmicb.2021.627595 pmid:33859627 pmcid:PMC8042283 fatcat:ekypyzzn6rgltlk5xg534ebuve

Vertical Stratification of Dissolved Organic Matter Linked to Distinct Microbial Communities in Subtropic Estuarine Sediments

Wenxiu Wang, Jianchang Tao, Ke Yu, Chen He, Jianjun Wang, Penghui Li, Hongmei Chen, Bu Xu, Quan Shi, Chuanlun Zhang
2021 Frontiers in Microbiology  
Dissolved organic matter (DOM) provides carbon substrates and energy sources for sediment microbes driving benthic biogeochemical processes.  ...  The interactions between microbes and DOM are dynamic and complex and require the understanding based on fine-scale microbial community and physicochemical profiling.  ...  ACKNOWLEDGMENTS We thank the crew of R/V Shiyan 3 of South China Sea Institute of Oceanology, Chinese Academy of Sciences for helping with sample collection.  ... 
doi:10.3389/fmicb.2021.697860 fatcat:cll2ajpo6jdbtlnknzxbv3dm6q

Advances in Defining Ecosystem Functions of the Terrestrial Subsurface Biosphere

D'Arcy R. Meyer-Dombard, Judy Malas
2022 Frontiers in Microbiology  
This review provides a survey of the most recent advances in discovering the functional and genomic diversity of the terrestrial subsurface biosphere, how microbes interact with minerals and obtain energy  ...  and carbon in the subsurface, and considers adaptations to the presented environmental extremes.  ...  AUTHOR CONTRIBUTIONS Both authors listed have made a substantial, direct, and intellectual contribution to the work, and approved it for publication.  ... 
doi:10.3389/fmicb.2022.891528 pmid:35722320 pmcid:PMC9201636 fatcat:qxrywrsbofguxbx6yrc2effwle

Comparison of Bacterial Communities in New England Sphagnum Bogs Using Terminal Restriction Fragment Length Polymorphism (T-RFLP)

Sergio E. Morales, Paula J. Mouser, Naomi Ward, Stephen P. Hudman, Nicholas J. Gotelli, Donald S. Ross, Thomas A. Lewis
2006 Microbial Ecology  
To explore bacterial community composition, 24 bogs in Vermont and Massachusetts were censused for bacterial diversity at the surface (oxic) and 1 m (anoxic) regions.  ...  T-RFLP analysis revealed a high level of diversity, and a canonical correspondence analysis demonstrated marked similarity among bogs, but consistent differences between surface and subsurface assemblages  ...  We are grateful to Don Stratton for assistance with the statistical analysis and Carol Tudhope and Grant Henderson for sample preparation and data organization.  ... 
doi:10.1007/s00248-005-0264-2 pmid:16729225 fatcat:mrak55ehcvbq3btjk4jy2sefey

Astrobiology and habitability studies in preparation for future Mars missions: trends from investigating minerals, organics and biota

P. Ehrenfreund, W.F.M. Röling, C.S. Thiel, R. Quinn, M.A. Sephton, C. Stoker, J.M. Kotler, S.O.L. Direito, Z. Martins, G.E. Orzechowska, R.D. Kidd, C.A van Sluis (+1 others)
2011 International Journal of Astrobiology  
Field research at Mars analogue sites such as desert environments can provide important constraints for instrument calibration, landing site strategies and expected life detection targets.  ...  Compared with extremely arid deserts (such as the Atacama), organic and biological materials can be identified in a larger number of samples and subsequently be used to perform correlation studies.  ...  Microbes may catalyse PAHs degradation depending on the environmental conditions and the number and types of microbes.  ... 
doi:10.1017/s1473550411000140 fatcat:d6xt4esfhzhi7f5mwulomecth4

Invertebrate and Microbial Response to Hyporheic Restoration of an Urban Stream

Sarah A. Morley, Linda D. Rhodes, Anne E. Baxter, Giles W. Goetz, Abigail H. Wells, Katherine D. Lynch
2021 Water  
Yet this subsurface area offers enormous potential for stormwater amelioration and is a critical component of healthy streams.  ...  The hyporheic zone has long been an overlooked component in floodplain restoration.  ...  Conflicts of Interest: The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; or in the decision to publish the results.  ... 
doi:10.3390/w13040481 fatcat:6evqfsaa2jepbcs6amg57ota4u

Chemolithotrophy in the continental deep subsurface: Sanford Underground Research Facility (SURF), USA

Magdalena R. Osburn, Douglas E. LaRowe, Lily M. Momper, Jan P. Amend
2014 Frontiers in Microbiology  
Pratixaben Savalia, Mark Torres, Josh West, Will Berelson, and Nick Rollins aided greatly in geochemical analyses at USC.  ...  We are particularly indebted to the science and support staff at SURF, including Jaret Heiss, Tom Reagan, and Kathy Hart for making mine access and sample collection possible.  ...  INTRODUCTION A majority of the microbial life on Earth may reside in subsurface environments.  ... 
doi:10.3389/fmicb.2014.00610 pmid:25429287 pmcid:PMC4228859 fatcat:ui56hk4da5dhhhxpunemva4qpy

Capturing the genetic makeup of the active microbiome in situ

Esther Singer, Michael Wagner, Tanja Woyke
2017 The ISME Journal  
active in the environment.  ...  In order to truly understand and predict environmental processes, however, the distinction between active, inactive and dead microbial cells is critical.  ...  Research in the Wagner lab on single-cell activity assays was supported by an ERC Advanced Grant (NITRICARE, 294343), as well as by the Emerging Technologies Opportunity Program, which is supported by  ... 
doi:10.1038/ismej.2017.59 pmid:28574490 pmcid:PMC5563950 fatcat:waawys5xabfvvapaqmuvqvmhyq

On biosignatures for Mars

Frances Westall, Keyron Hickman-Lewis, Barbara Cavalazzi, Frédéric Foucher, Laura Clodoré, Jorge L. Vago
2021 International Journal of Astrobiology  
In particular, we underline the importance of correctly interpreting the geological and mineralogical context of the sites to be explored for the presence of biosignatures.  ...  We also discuss promising locations and formations to be explored by ongoing and future rover missions, including Oxia Planum, which, dated at 4.0 Ga, is the most ancient Mars location targeted for investigation  ...  Carbonates (1) Carbonates in subsurface environments: The carbonates in ALH84001 formed in a subsurface environment, in this case in an igneous rock.  ... 
doi:10.1017/s1473550421000264 fatcat:as7xok7i6fcj3axjgsa45skdty

Bacterial Diversity and CAZyme Potential Revealed in Pandanus Rich Thermal Spring Cluster of India: A Non-cultivable 16S rRNA Sequencing Approach

Sangita Dixit, Mahendra Gaur, Enketeswara Subudhi, Rajesh Kumar Sahoo, Suchanda Dey, Lakshmi Datta Mahapatra, Surajit De Mandal, Nachimuthu Senthil Kumar, Hardik Anirudh
2021 Frontiers in Microbiology  
However, the minor variations in diversity and functionality were due to variations in temperature in spring openings through the mixing of subsurface water contaminated with carbohydrates from leaf biomass  ...  The biogeochemical reasons hypothesized for the genesis of unique multiple openings in the cluster are also of interest to conservation scientists for taking measures toward necessary laws and regulations  ...  In addition, the interaction of local cold surface runoff water, meteoric water, and groundwater and dynamic changes in the subsurface environment due to physical mixing, chemical reaction, and biological  ... 
doi:10.3389/fmicb.2021.760573 pmid:34899644 pmcid:PMC8656282 fatcat:ib7z3qvca5aoxem7bacdcitt74

Soil pH and Organic Carbon Properties Drive Soil Bacterial Communities in Surface and Deep Layers Along an Elevational Gradient

Qiuxiang Tian, Ying Jiang, Yanan Tang, Yu Wu, Zhiyao Tang, Feng Liu
2021 Frontiers in Microbiology  
These results indicated that changes in soil bacterial communities along the elevational gradient were driven by soil properties in both surface and deep soil layers, which are critical for predicting  ...  In the deep layer, AD3 was most abundant in the highest elevation site.  ...  Compared with those in the surface layer, the relative abundances of these main bacterial taxa in the subsurface and deep layers showed much weaker correlations with the environmental parameters.  ... 
doi:10.3389/fmicb.2021.646124 fatcat:s34qwnrthvgfdb6cg4mlq6wwxu

Sparse Non-linear CCA through Hilbert-Schmidt Independence Criterion

Viivi Uurtio, Sahely Bhadra, Juho Rousu
2018 2018 IEEE International Conference on Data Mining (ICDM)  
Publication II: "Canonical correlation methods for exploring microbe-environment interactions in deep subsurface" This publication presents an approach to visualise the results of kernelised canonical  ...  Canonical correlation methods for exploring microbe-environment interactions in deep subsurface. In Proceedings of the International Conference on Discovery Science, 299-307, October 2015.  ... 
doi:10.1109/icdm.2018.00172 dblp:conf/icdm/UurtioBR18 fatcat:ikb3tqpssnhktbr5hdac774uhm
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