Subsurface Microbial Worlds of the Nevada National ...€¦ · Subsurface Microbial Worlds of the...
Transcript of Subsurface Microbial Worlds of the Nevada National ...€¦ · Subsurface Microbial Worlds of the...
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Subsurface Microbial Worlds of the Nevada
National Security Site (NNSS) and
Death Valley Flow System
Duane Moser, Ph.D.Division of Earth and Ecosystems Sciences,
Desert Research Institute (DRI)Nevada Site Specific Advisory Board
Educational Session on August 16, 2017
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Scientific Collaboration
Thank you to the U.S. Department of Energy’s Environmental Management Nevada Program for providing the opportunity to sample a number of Underground Test Area Activity wells on the NNSS for these unique microbial studies and to provide results to rural communities in southern Nevada
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• Introduction
• Life underground and tools used to study it
• Local windows into the ‘deep biosphere’
• ‘Microbial dark matter’
• Strange tale of c. Desulforudis audaxviator
Presentation Overview
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Our Labs
- Dr. Brittany Kruger, Staff Scientist
- Dr. Scott Hamilton-Brehm, Staff Scientist
- Dr. Katerina Papp, Postdoctoral Fellow
- Joshua Sackett, Ph.D. Student, University of Nevada Las Vegas (UNLV)
- Daniel Walsh, Ph.D. Student, UNLV
- Lidia Hristova, Undergraduate, UNLV
- Nicole Thomas, Undergraduate, UNLV
Environmental Microbiology Lab
Astrobiology Lab
Josh Sackett on Walker Lake
Dr. Brittany Kruger at Crystal Spring
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Today’s Biology Tool Kit
DNA – Big Data• 16S rRNA gene ~1,500 base pairs (bp)
• 16S rRNA gene library ~50,000 sequences
• Bacterial genome ~3,000,000 bp
• Human genome ~3,000,000,000 bp
• Metagenome – millions of genes –gigabases of data
Philschatz.com
Illumina HiSeq 2500
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Molecular Archaeology
Scott Hamilton-Brehm, Sue Edwards, Jeff Wedding, et al., 2017. PLOS 1, in review
Mule Spring Cave, Spring Mountains, NV Quid
Pigmy Agave Pictograph
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Wildfire and Soil Erodibility
Microorganisms as indicators of soil health and recovery after disturbance?
White Rock Fire Study, Bunkerville, NV
Microcoleus, J. Elster
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Plut
oniu
m %
Sor
bed
Pseudomonas
Microbial Biofilm on NNSS Volcanic Tuff Sorption of Plutonium Against Bacterial Fractions
*EPS
No Cells
Cellular membranes
Exopolysaccharide(“slime”)
Environmental Contamination
Radionuclides
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Mponeng Mine, South Africa, 2.5 miles deep
Deep Biosphere (Part 1)
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Deep Biosphere (Part 1)
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Sample Collection at Evander Mine, South Africa
Deep Biosphere (Part 1)
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Chivian, D., E.J. Alm, E.L. Brodie, et al., Science, 2008.
“Based on its rod-like morphology, its apparent use of the dissimilatory sulfate reduction pathway for energy production, and because of the journey this "audax viator" (bold traveler) undertook to live in the extreme depths of the Earth, we have named this organism Candidatus Desulforudis audaxviator".
“Desulforudis” = 48,200 Google hits Simon and Schuster
C. Desulforudis audaxviator
Deep Biosphere (Part 1)
Gordon Southam
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C. Desulforudis audaxviator Predicted Lifestyle
Chivian, D., E.J. Alm, E.L. Brodie, et al., Science, 2008
Deep Biosphere (Part 1)
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Devils Hole, NV, National Park Service
Devils Hole, National Park Service
Windows Into the Death Valley Regional Flow System
(DVRFS)
Devils Hole, Jonathan Eisen
Deep Biosphere (Part 2)
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Belcher and Sweetkind, 2004, USGS Professional Paper 1711
The DVRFS
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Devils Hole Pupfish, NPSNatural Windows - Springs
Crystal Spring
Big Spring Devils Hole
Algae from Ash Meadows
Devils Hole Pupfish
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Manmade Windows - Boreholes
Nevares Deep Well 2, Death Valley
Down-Hole Video at 302 Feet
Down-Hole Video at 310 Feet Showing Fracture
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Examples of NNSS and DVRFS sampling sites. A) ER-EC-13 being drilled, from Bill Wilborn 2011 Community Environmental Monitoring Program Presentation; B) Hotwell sampling; C) ER-EC-13 during hydrologic pumping test; D) groundwater discharge during pumping test; and E) 0.2 micron filters used for microbial sampling of groundwater.
Microbiological Sampling at the NNSS
A
C D E
B
E
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Key Code Sample Name1 PM 3 #1 & 22 ER 20-5 #1 & 33 ER 20-74 ER 20-115 ER-EC-116 ER-EC-157 ER-EC-138 ER-EC-149 ER-EC-1210 ER 20-811 ER 20-412 UE-20N#113 U19ad PS#1A14 U19V PS#1ds15 U12n.Vent#216 U12n.1017 UE-2ce18 U-4t PS#319 UE-3E #420 U-3cn521 ER 11-222 ER 5-523 OV124 OV225 Bailey's Hot Spring26 4PD27 Nevares28 BLM-129 Fairbanks Spring30 Indian Spring31 Crystal Pool32 Crystal Reservoir33 King's Pool34 Big Spring
DVRFS Microbiology Sites
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Key Code Sample Name1 PM 3 #1 & 22 ER 20-5 #1 & 33 ER 20-74 ER 20-115 ER-EC-116 ER-EC-157 ER-EC-138 ER-EC-149 ER-EC-1210 ER 20-811 ER 20-412 UE-20N#113 U19ad PS#1A14 U19V PS#1ds15 U12n.Vent#216 U12n.1017 UE-2ce18 U-4t PS#319 UE-3E #420 U-3cn521 ER 11-222 ER 5-523 OV124 OV225 Bailey's Hot Spring26 4PD27 Nevares28 BLM-129 Fairbanks Spring30 Indian Spring31 Crystal Pool32 Crystal Reservoir33 King's Pool34 Big Spring
DVRFS Microbiology Sites
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Key Code Sample Name1 PM 3 #1 & 22 ER 20-5 #1 & 33 ER 20-74 ER 20-115 ER-EC-116 ER-EC-157 ER-EC-138 ER-EC-149 ER-EC-1210 ER 20-811 ER 20-412 UE-20N#113 U19ad PS#1A14 U19V PS#1ds15 U12n.Vent#216 U12n.1017 UE-2ce18 U-4t PS#319 UE-3E #420 U-3cn521 ER 11-222 ER 5-523 OV124 OV225 Bailey's Hot Spring26 4PD27 Nevares28 BLM-129 Fairbanks Spring30 Indian Spring31 Crystal Pool32 Crystal Reservoir33 King's Pool34 Big Spring
DVRFS Microbiology Sites
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Key Code Sample Name1 PM 3 #1 & 22 ER 20-5 #1 & 33 ER 20-74 ER 20-115 ER-EC-116 ER-EC-157 ER-EC-138 ER-EC-149 ER-EC-1210 ER 20-811 ER 20-412 UE-20N#113 U19ad PS#1A14 U19V PS#1ds15 U12n.Vent#216 U12n.1017 UE-2ce18 U-4t PS#319 UE-3E #420 U-3cn521 ER 11-222 ER 5-523 OV124 OV225 Bailey's Hot Spring26 4PD27 Nevares28 BLM-129 Fairbanks Spring30 Indian Spring31 Crystal Pool32 Crystal Reservoir33 King's Pool34 Big Spring
DVRFS Microbiology Sites
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Microbial Communities Across DVRFS
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Deep Biosphere (Part 3)
Hug et al. 2016. Nature MicrobiologyRinke et al., 2013. Nature
• Microbial phyla with no cultured representatives
• Majority of life’s diversity
• Requires advanced tools for study
Chris Rinke
Single Cell Genomics Pipeline
The Strange Case of “Microbial Dark Matter”
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MDM summary Crystal Spring (42.3% MDM)4 Parcubacteria (OD1)25 Omnitrophica (OP3)1 Gracillibacteria (BD1-5)1 SPAM1 Latescibacteria (WS3)4 Elusimicrobia8 Woesearcheota1 Pacearcheota1 unclassified
Full MDM work-upsDevils HoleCrystal SpringCold CreekNNSS PM-3-1OV-2BLM-1
Crystal Spring
DVRFS Microbial Dark Matter (MDM)
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A MDM Hotspot - Well OV-2
Moser, Kruger, Sackett (DRI) John Klenke, NWRPOScott Hamilton-Brehm, Levi Kryder, NWRPOPrinceton Univ. Students
OV2 – Initial OV2 - 5 volumes OV2 - 20 Volumes
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Global distribution
Becraft et al., Microbial Ecology, in revision
Finsch Mine
Crystal Spring
• Formerly known as “SPAM”
• 6 – 8 million base pair genome
• Terrestrial only
• 16 of 19 single amplifiedgenomes from Well OV-2
Solagigasbacteria: the ‘Lone Giant’
Sanford LabWell OV-2
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Well BLM-1
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D’
D
Well BLM-1
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A true window into the deep biosphere of the DVRFS
Well BLM-1
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Well BLM-1: Sampling and Logging
Caliper ToolLogging Truck “Big Blue” Discrete Sampler (Bailer)
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HV-Dolomite(BLM1)
Lake Sediments(BLM1)
Low Carbon Steel(Casing Material)
Cartridgecross section
(PTFE)
Dolomite(Wards)
Calcite(Wards) Glass Wool
Car
trid
ge(P
TFE)
Polyurethane sponges (Imachi et al 2011)
Well BLM-1 Downhole Incubations
Materials Suspended in Well BLM-1
Sponges Used for Microbial Colonization
An attempt to study hard-rock microbial communities and their activities on subsurface fracture surfaces
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Deployment of Materials Retrieval of Materials
Well BLM-1 Downhole Incubations
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Images Greg Wanger and Sean Mullin
Scanning Electron Microscopy (SEM)
Energy Dispersive Spectropcopy (EDS)
Well BLM-1 Downhole Incubations: Results
Upper: Microbial cells on calcite after in situ incubation. Lower: Examples of microbial community structure at phylum level for water (Left) and incubated sponges (middle). Lighter orange is primarily C. Desulforudis
Sulfur (pyrite)
Sponge Samples Water Samples
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Culturing Microorganisms
Modified from DOE/NV/-500-UC-700
1400
Southwest Elevation (m)
0
200
400
600
800
1000
1200
0 200 400
200
400
600
800
1000
1200
U-3cn #5
Lower Carbonate
Aquifer
Vitric-Tuff Aquifer
(unsaturated)
Volcanic Tuff-Confining Unit
Water table
Alluvial Aquifer
(unsaturated)
Northeast Elevation (m)
1400
Pump Intake 691 m
Total depth 923 m
U-3cn collapse chimney
600 800
122 m
0
Traditional Microbiology – Anaerobic Microbes from NNSS Subsurface
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New Microorganism:Thermoanaerosceptrum fracticalcis
• Named by local high school student
• New genus and species
• Requires complete lack of oxygen
• Thermophile (131oF) – heat-loving
• Exclusively from carbonate aquifers
• Grows only on chemical compound called fumarate
• Genome size 3.6 million bp
• ~91% genetic identity to c. D. audaxviator
”The hot anaerobic staff from the fractured carbonates”
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Deep Life Drilling in the Death Valley Extensional Zone
International Workshop: February 5 – 9 or March 5 – 9, 2018at Desert Research Institute
http://marlimillerphoto.com
Contact: [email protected], [email protected]
Future Directions?
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Co-investigators and Collaborators
Deep Life Community- TC Onstott (Princeton)- Barb Sherwood Lollar (U Toronto)- Tom Kieft (New Mexico Tech- Gordon Southam (U of Queensland)- Mitch Sogin (Marine Biology Lab)- Rick Collwell (Oregon State U)- Esta Van Heerden (U of Free State)
NSF Genealogy of Life- Ramunas Stepanauskas (Bigelow Lab)- Tanja Wojke (JGI)- Jessica Jaret (JGI)- Jon Eisen (U California Davis)- Eric Becraft (Bigelow Lab)- Brian Hedlund (UNLV)
NASA Astrobiology - Life Underground- Jan Amend (U Southern California
[USC])- Katrina Edwards (USC)- Ken Nealson (USC)- Victoria Orphan (Caltech)- Moh El Naggar (USC)
- Rohit Bhartia (JPL) - Magdelena Osburn (Northwestern)- Greg Wanger (Dallhousie)- Sean Mullin (Caltech)- Yami Jangir (USC)…..
Other- Jen Blank (NASA Ames)- Dan Gerrity (UNLV)- Sue Edwards (DRI)- Jeff Wedding (DRI)- Ron Hershey (DRI)- Jim Thomas (DRI)- Chuck Russell (DRI)- John Healey (DRI)- Henry Sun (DRI)- Brad Lyles (DRI)- Mavrik Zavarin (Lawrence Livermore
Natl. Lab)…and many more…
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Acknowledgements
We thank Bill Wilborn for NNSS access and Russ Sheldon, Jeff Wurtz, Jeff Sanchez, Robert Goodwin, Chuck Russell, and many others from the Underground Test Area (UGTA) Team for sampling assistance. Thanks also to Nye and Inyo Counties, and the U.S. Fish & Wildlife Service (FWS) for site access. Thanks to Dr. Terry Fisk, Richard Friese, Linda Manning, Dr. Kevin Wilson of the National Park Service (NPS); Michael King and Walter Slack of the Hydrodynamics Group; Darrell Lacy, Levi Kryder, Roger McRae, Bill Howard, Jamie Walker of the Nuclear Waste Repository Project Office (NWRPO); and Jaret Heise, Tom Regan and others at Sanford Underground Research Facility (SURF) for sampling assistance. Major funding sources include: the DOE, National Aeronautics and Space Administration (NASA), DOE Joint Genome Institute (JGI), National Science Foundation (NSF), NWRPO, Hydrodynamics Group, U.S. Geological Survey (USGS), and the Alfred P. Sloan Foundation/Deep Carbon Observatory. Thanks also to the Lander Foundation, FWS, NPS, Nevada Experimental Program to Stimulate Competitive Research (EPSCoR and the International Continental Scientific Drilling Program (ICDP) for additional funding. Special thanks to Dr. Jenny Fisher, Dr. Jim Bruckner, Dr. Scott Hamilton-Brehm, Dr. Gaosen Zhang, Dr. Mike Leonardo, Alex Wheatley, Alex Michaud, and Patty Edmiston; former visiting scientists, postdocs, and students in our lab.
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Devils Hole, National Park Service
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Devils Hole, National Park Service
• Microorganisms perform multiple functions of relevance to NNSS stewardship.
• Deep microbial communities are distinct, recognizable, and reflect their geological surroundings.
• Some deep life strains (e.g. C. Desulfordudis) dominate isolated deep habitats worldwide.
• The deep subsurface, and the DVRFS in particular, are world-class repositories for microbial diversity.
Conclusions