List of works - Roger Everett Summons

A Field Guide to Finding Fossils on Mars

scientific article published on 24 May 2018

A Geomimetic Approach to the Formation and Identification of Fossil Sterane Biomarkers in Crude Oil: 18-nor-D-homo-Androstane and 5α,14β-Androstane

scientific article published in July 2015

A serpentinite-hosted ecosystem: the Lost City hydrothermal field

scientific article

Acetoclastic Methanosaeta are dominant methanogens in organic-rich Antarctic marine sediments

scientific article published on 17 October 2017

Active eukaryotes in microbialites from Highborne Cay, Bahamas, and Hamelin Pool (Shark Bay), Australia

scientific article

Algoriphagus machipongonensis sp. nov., co-isolated with a colonial choanoflagellate.

scientific article

An Exceptionally Preserved Three-Dimensional Armored Dinosaur Reveals Insights into Coloration and Cretaceous Predator-Prey Dynamics

scientific article

Ancient biomolecules: their origins, fossilization, and role in revealing the history of life

scientific article

Archean Molecular Fossils and the Early Rise of Eukaryotes

scientific article

Bacterial vesicles in marine ecosystems

scientific article

Biomarker evidence for green and purple sulphur bacteria in a stratified Palaeoproterozoic sea.

scientific article

Biomarker stratigraphy in the Athel Trough of the South Oman Salt Basin at the Ediacaran-Cambrian Boundary

scientific article published on 09 July 2020

Biosynthesis of 2-methylbacteriohopanepolyols by an anoxygenic phototroph ⬇️

scientific article (publication date: 18 September 2007)

Calditol-linked membrane lipids are required for acid tolerance in Sulfolobus acidocaldarius.

scientific article published on 5 December 2018

Canopy flow analysis reveals the advantage of size in the oldest communities of multicellular eukaryotes

scientific article

Carotenoid biomarkers in Namibian shelf sediments: Anoxygenic photosynthesis during sulfide eruptions in the Benguela Upwelling System

scientific article published on 16 July 2021

Chemical clues to the earliest animal fossils

scientific article published in Science

Demosponge steroid biomarker 26-methylstigmastane provides evidence for Neoproterozoic animals

article

Discovery, taxonomic distribution, and phenotypic characterization of a gene required for 3-methylhopanoid production ⬇️

scientific article (publication date: 7 August 2012)

Diverse capacity for 2-methylhopanoid production correlates with a specific ecological niche

scientific article (publication date: March 2014)

Diversity of hopanoids and squalene-hopene cyclases across a tropical land-sea gradient.

scientific article published on 8 December 2008

Dynamics of the Neoproterozoic carbon cycle

scientific article

Elucidation of the Burkholderia cenocepacia hopanoid biosynthesis pathway uncovers functions for conserved proteins in hopanoid-producing bacteria. ⬇️

scientific article published on 24 June 2014

Environmental controls on bacteriohopanepolyol profiles of benthic microbial mats from Lake Fryxell, Antarctica

scientific article published on 19 July 2019

Extending the known range of glycerol ether lipids in the environment: structural assignments based on tandem mass spectral fragmentation patterns

scientific article

GDGT cyclization proteins identify the dominant archaeal sources of tetraether lipids in the ocean

scientific article published on 07 October 2019

Hopanoids play a role in membrane integrity and pH homeostasis in Rhodopseudomonas palustris TIE-1

scientific article (publication date: October 2009)

Hydrothermal ecotones and streamer biofilm communities in the Lower Geyser Basin, Yellowstone National Park

scientific article

Identification and quantification of polyfunctionalized hopanoids by high temperature gas chromatography-mass spectrometry ⬇️

scientific article (publication date: March 2013)

Identification of a methylase required for 2-methylhopanoid production and implications for the interpretation of sedimentary hopanes ⬇️

scientific article (publication date: 11 May 2010)

Identification of the Bacteriochlorophylls, Carotenoids, Quinones, Lipids, and Hopanoids of "Candidatus Chloracidobacterium thermophilum" ⬇️

scientific article published on December 30, 2011

Insights into foraminiferal influences on microfabrics of microbialites at Highborne Cay, Bahamas

scientific article

Intact polar membrane lipids in prokaryotes and sediments deciphered by high-performance liquid chromatography/electrospray ionization multistage mass spectrometry--new biomarkers for biogeochemistry and microbial ecology.

scientific article published in January 2004

Lack of Methylated Hopanoids Renders the Cyanobacterium Nostoc punctiforme Sensitive to Osmotic and pH Stress

scientific article

Methane Oxidation and Molecular Characterization of Methanotrophs from a Former Mercury Mine Impoundment

scientific article published on 23 June 2015

Methanogenic burst in the end-Permian carbon cycle

scientific article (publication date: 15 April 2014)

Microaerobic steroid biosynthesis and the molecular fossil record of Archean life ⬇️

scientific article (publication date: 16 August 2011)

Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma

scientific article published on 15 September 2020

Microbially influenced formation of Neoarchean ooids

scientific article published on 18 November 2018

Molecular and isotopic analysis of anaerobic methane-oxidizing communities in marine sediments

Molecular and isotopic evidence reveals the end-Triassic carbon isotope excursion is not from massive exogenous light carbon

scientific article published on 16 November 2020

New Insights into the Evolution of the Human Diet from Faecal Biomarker Analysis in Wild Chimpanzee and Gorilla Faeces

scientific article

Niche expansion for phototrophic sulfur bacteria at the Proterozoic-Phanerozoic transition

scientific article published on 09 July 2020

Nitrogen fixation sustained productivity in the wake of the Palaeoproterozoic Great Oxygenation Event.

scientific article

OlsG (Sinac_1600) Is an Ornithine Lipid N-Methyltransferase from the Planctomycete Singulisphaera acidiphila

scientific article published on 29 April 2015

On impact and volcanism across the Cretaceous-Paleogene boundary

scientific article published on 01 January 2020

Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars

scientific article published in Science

Oxidation of the Ediacaran ocean

scientific article

Paleoproterozoic sterol biosynthesis and the rise of oxygen

scientific article published on 6 March 2017

Photic zone euxinia during the Permian-triassic superanoxic event

scientific article

Pico-CSIA: Picomolar Scale Compound-Specific Isotope Analyses

scientific article published on 15 February 2018

Planktonic Euryarchaeota are a significant source of archaeal tetraether lipids in the ocean

scientific article

Preservation of martian organic and environmental records: final report of the Mars biosignature working group

scientific article

Preservation of uropygial gland lipids in a 48-million-year-old bird

scientific article published in 2017

Rapid oxygenation of Earth's atmosphere 2.33 billion years ago

scientific article published on 13 May 2016

Rapid resurgence of marine productivity after the Cretaceous-Paleogene mass extinction

scientific article published in October 2009

Reappraisal of hydrocarbon biomarkers in Archean rocks

scientific article

Reconciling discrepant minor sulfur isotope records of the Great Oxidation Event

scientific article published on 17 January 2023

Reply to Schouten et al.: Marine Group II planktonic Euryarchaeota are significant contributors to tetraether lipids in the ocean

scientific article published on 19 September 2014

Stable Isotope Constraints on Marine Productivity Across the Cretaceous‐Paleogene Mass Extinction

scientific article published in July 2019

Stable isotope labeling confirms mixotrophic nature of streamer biofilm communities at alkaline hot springs

scientific article

Steroids, triterpenoids and molecular oxygen

scientific article (publication date: 29 June 2006)

Sterol and genomic analyses validate the sponge biomarker hypothesis

scientific article

Sterols in a unicellular relative of the metazoans

scientific article

Sulfur isotopes of organic matter preserved in 3.45-billion-year-old stromatolites reveal microbial metabolism

scientific article (publication date: 18 September 2012)

System-Wide Adaptations of Desulfovibrio alaskensis G20 to Phosphate-Limited Conditions

scientific article

The "Dirty Ice" of the McMurdo Ice Shelf: Analogues for biological oases during the Cryogenian.

scientific article published on 12 March 2018

The RND-family transporter, HpnN, is required for hopanoid localization to the outer membrane of Rhodopseudomonas palustris TIE-1

scientific article (publication date: 8 November 2011)

The continuing puzzle of the great oxidation event.

scientific article

Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover

scientific article

Xeropreservation of functionalized lipid biomarkers in hyperarid soils in the Atacama Desert.

scientific article published on 29 October 2016

List of works by Roger Everett Summons

A Field Guide to Finding Fossils on Mars

A Geomimetic Approach to the Formation and Identification of Fossil Sterane Biomarkers in Crude Oil: 18-nor-D-homo-Androstane and 5α,14β-Androstane

A serpentinite-hosted ecosystem: the Lost City hydrothermal field

Acetoclastic Methanosaeta are dominant methanogens in organic-rich Antarctic marine sediments

Active eukaryotes in microbialites from Highborne Cay, Bahamas, and Hamelin Pool (Shark Bay), Australia

Algoriphagus machipongonensis sp. nov., co-isolated with a colonial choanoflagellate.

An Exceptionally Preserved Three-Dimensional Armored Dinosaur Reveals Insights into Coloration and Cretaceous Predator-Prey Dynamics

Ancient biomolecules: their origins, fossilization, and role in revealing the history of life

Archean Molecular Fossils and the Early Rise of Eukaryotes

Bacterial vesicles in marine ecosystems

Biomarker evidence for green and purple sulphur bacteria in a stratified Palaeoproterozoic sea.

Biomarker stratigraphy in the Athel Trough of the South Oman Salt Basin at the Ediacaran-Cambrian Boundary

Biosynthesis of 2-methylbacteriohopanepolyols by an anoxygenic phototroph ⬇️

Calditol-linked membrane lipids are required for acid tolerance in Sulfolobus acidocaldarius.

Canopy flow analysis reveals the advantage of size in the oldest communities of multicellular eukaryotes

Carotenoid biomarkers in Namibian shelf sediments: Anoxygenic photosynthesis during sulfide eruptions in the Benguela Upwelling System

Chemical clues to the earliest animal fossils

Demosponge steroid biomarker 26-methylstigmastane provides evidence for Neoproterozoic animals

Discovery, taxonomic distribution, and phenotypic characterization of a gene required for 3-methylhopanoid production ⬇️

Diverse capacity for 2-methylhopanoid production correlates with a specific ecological niche

Diversity of hopanoids and squalene-hopene cyclases across a tropical land-sea gradient.

Dynamics of the Neoproterozoic carbon cycle

Elucidation of the Burkholderia cenocepacia hopanoid biosynthesis pathway uncovers functions for conserved proteins in hopanoid-producing bacteria. ⬇️

Environmental controls on bacteriohopanepolyol profiles of benthic microbial mats from Lake Fryxell, Antarctica

Extending the known range of glycerol ether lipids in the environment: structural assignments based on tandem mass spectral fragmentation patterns

GDGT cyclization proteins identify the dominant archaeal sources of tetraether lipids in the ocean

Hopanoids play a role in membrane integrity and pH homeostasis in Rhodopseudomonas palustris TIE-1

Hydrothermal ecotones and streamer biofilm communities in the Lower Geyser Basin, Yellowstone National Park

Identification and quantification of polyfunctionalized hopanoids by high temperature gas chromatography-mass spectrometry ⬇️

Identification of a methylase required for 2-methylhopanoid production and implications for the interpretation of sedimentary hopanes ⬇️

Identification of the Bacteriochlorophylls, Carotenoids, Quinones, Lipids, and Hopanoids of "Candidatus Chloracidobacterium thermophilum" ⬇️

Insights into foraminiferal influences on microfabrics of microbialites at Highborne Cay, Bahamas

Intact polar membrane lipids in prokaryotes and sediments deciphered by high-performance liquid chromatography/electrospray ionization multistage mass spectrometry--new biomarkers for biogeochemistry and microbial ecology.

Lack of Methylated Hopanoids Renders the Cyanobacterium Nostoc punctiforme Sensitive to Osmotic and pH Stress

Methane Oxidation and Molecular Characterization of Methanotrophs from a Former Mercury Mine Impoundment

Methanogenic burst in the end-Permian carbon cycle

Microaerobic steroid biosynthesis and the molecular fossil record of Archean life ⬇️

Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma

Microbially influenced formation of Neoarchean ooids

Molecular and isotopic analysis of anaerobic methane-oxidizing communities in marine sediments

Molecular and isotopic evidence reveals the end-Triassic carbon isotope excursion is not from massive exogenous light carbon

New Insights into the Evolution of the Human Diet from Faecal Biomarker Analysis in Wild Chimpanzee and Gorilla Faeces

Niche expansion for phototrophic sulfur bacteria at the Proterozoic-Phanerozoic transition

Nitrogen fixation sustained productivity in the wake of the Palaeoproterozoic Great Oxygenation Event.

OlsG (Sinac_1600) Is an Ornithine Lipid N-Methyltransferase from the Planctomycete Singulisphaera acidiphila

On impact and volcanism across the Cretaceous-Paleogene boundary

Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars

Oxidation of the Ediacaran ocean

Paleoproterozoic sterol biosynthesis and the rise of oxygen

Photic zone euxinia during the Permian-triassic superanoxic event

Pico-CSIA: Picomolar Scale Compound-Specific Isotope Analyses

Planktonic Euryarchaeota are a significant source of archaeal tetraether lipids in the ocean

Preservation of martian organic and environmental records: final report of the Mars biosignature working group

Preservation of uropygial gland lipids in a 48-million-year-old bird

Rapid oxygenation of Earth's atmosphere 2.33 billion years ago

Rapid resurgence of marine productivity after the Cretaceous-Paleogene mass extinction

Reappraisal of hydrocarbon biomarkers in Archean rocks

Reconciling discrepant minor sulfur isotope records of the Great Oxidation Event

Reply to Schouten et al.: Marine Group II planktonic Euryarchaeota are significant contributors to tetraether lipids in the ocean

Stable Isotope Constraints on Marine Productivity Across the Cretaceous‐Paleogene Mass Extinction

Stable isotope labeling confirms mixotrophic nature of streamer biofilm communities at alkaline hot springs

Steroids, triterpenoids and molecular oxygen

Sterol and genomic analyses validate the sponge biomarker hypothesis

Sterols in a unicellular relative of the metazoans

Sulfur isotopes of organic matter preserved in 3.45-billion-year-old stromatolites reveal microbial metabolism

System-Wide Adaptations of Desulfovibrio alaskensis G20 to Phosphate-Limited Conditions

The "Dirty Ice" of the McMurdo Ice Shelf: Analogues for biological oases during the Cryogenian.

The RND-family transporter, HpnN, is required for hopanoid localization to the outer membrane of Rhodopseudomonas palustris TIE-1

The continuing puzzle of the great oxidation event.

Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover

Xeropreservation of functionalized lipid biomarkers in hyperarid soils in the Atacama Desert.