Malcolm R. Walter - Publications, H-index & Citations

Malcolm R. Walter

nasa ames research center

43H指数

164论文数

7.1K被引数

收录论文 29

发表时间

2-Methylhopanoids in geographically distinct, arid biological soil crusts are primarily cyanobacterial in origin

ENVIRONMENTAL MICROBIOLOGY REPORTS

IF2.7

2021-12-12

OAAI

Garby, Tamsyn J.; Jordan, Matthew; Timms, Verlaine; Walter, Malcolm R.; Neilan, Brett A.

Trace Element Concentrations Associated with Mid-Paleozoic Microfossils as Biosignatures to Aid in the Search for Life

LIFE-BASEL

IF3.4

2021-02-13

OAAI

Gangidine, Andrew; Walter, Malcolm R.; Havig, Jeff R.; Jones, Clive; Sturmer, Daniel M.; Czaja, Andrew D.

A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia

ASTROBIOLOGY

IF2.6

2021-01-01

PREAI

Djokic, Tara; Van Kranendonk, Martin J.; Campbell, Kathleen A.; Havig, Jeff R.; Walter, Malcolm R.; Guido, Diego M.

Terrestrial Hot Spring Systems: Introduction

ASTROBIOLOGY

IF2.6

2019-12-01

OAAI

Des Marais, David J.; Walter, Malcolm R.

Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits (vol 8, 2017)

NATURE COMMUNICATIONS

IF15.7

2017-08-16

OAAI

Djokic, Tara; Van Kranendonk, Martin J.; Campbell, Kathleen A.; Walter, Malcolm R.; Ward, Colin R.

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

APPLIED AND ENVIRONMENTAL MICROBIOLOGY

IF3.7

2017-07-01

OAAI

Garby, Tamsyn J.; Matys, Emily D.; Ongley, Sarah E.; Salih, Anya; Larkum, Anthony W. D.; Walter, Malcolm R.; Summons, Roger E.; Neilan, Brett A.

Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits

NATURE COMMUNICATIONS

IF15.7

2017-05-09

225

OAAI

Djokic, Tara; Van Kranendonk, Martin J.; Campbell, Kathleen A.; Walter, Malcolm R.; Ward, Colin R.

Comment: Archean coastal-plain paleosols and life on land

GONDWANA RESEARCH

IF8.6

2017-04-01

PREAI

Sugitani, Kenichiro; Van Kranendonk, Martin J.; Oehler, Dorothy Z.; House, Christopher H.; Walter, Malcolm R.

Sedimentology, chemostratigraphy, and stromatolites of lower Paleoproterozoic carbonates, Turee Creek Group, Western Australia 西澳大利亚州Turee Creek组下古元古代碳酸盐岩的沉积学，化学地层学和叠层石

PRECAMBRIAN RESEARCH

IF3.2

2015-09-01

OAAI

Martindale, Rowan C.; Strauss, Justin V.; Sperling, Erik A.; Johnson, Jena E.; Van Kranendonk, Martin J.; Flannery, David; French, Katherine; Lepot, Kevin; Mazumder, Rajat; Rice, Melissa S.; Schrag, Daniel P.; Summons, Roger; Walter, Malcolm; Abelson, John; Knoll, Andrew H.

Reply to Dvorak et al.: Apparent evolutionary stasis of ancient subseafloor sulfur cycling biocoenoses

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

IF9.1

2015-04-20

OAAI

Schopf, J. William; Kudryavtsev, Anatoliy B.; Walter, Malcolm R.; Van Kranendonk, Martin J.; Williford, Kenneth H.; Kozdon, Reinhard; Valley, John W.; Gallardo, Victor A.; Espinoza, Carola; Flannery, David T.

Sulfur-cycling fossil bacteria from the 1.8-Ga Duck Creek Formation provide promising evidence of evolution's null hypothesis

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

IF9.1

2015-02-02

OAAI

Astrobiology Outreach and the Nature of Science: The Role of Creativity

ASTROBIOLOGY

IF2.6

2012-12-01

OAAI

Fergusson, Jennifer; Oliver, Carol; Walter, Malcolm R.

Diversity of cyanobacterial biomarker genes from the stromatolites of Shark Bay, Western Australia

ENVIRONMENTAL MICROBIOLOGY

IF4

2012-06-19

PREAI

Garby, Tamsyn J.; Walter, Malcolm R.; Larkum, Anthony W. D.; Neilan, Brett A.

Biogenicity of Morphologically Diverse Carbonaceous Microstructures from the ca. 3400Ma Strelley Pool Formation, in the Pilbara Craton, Western Australia

ASTROBIOLOGY

IF2.6

2010-11-01

PREAI

Sugitani, Kenichiro; Lepot, Kevin; Nagaoka, Tsutomu; Mimura, Koichi; Van Kranendonk, Martin; Oehler, Dorothy Z.; Walter, Malcolm R.

Diversity in the Archean Biosphere: New Insights from NanoSIMS

ASTROBIOLOGY

IF2.6

2010-05-01

PREAI

Oehler, Dorothy Z.; Robert, Francois; Walter, Malcolm R.; Sugitani, Kenichiro; Meibom, Anders; Mostefaoui, Smail; Gibson, Everett K.

Geobiology of the late Paleoproterozoic Duck Creek Formation, Western Australia

PRECAMBRIAN RESEARCH

IF3.2

2010-05-01

OAAI

Wilson, Jonathan P.; Fischer, Woodward W.; Johnston, David T.; Knoll, Andrew H.; Grotzinger, John P.; Walter, Malcolm R.; McNaughton, Neal J.; Simon, Mel; Abelson, John; Schrag, Daniel P.; Summons, Roger; Allwood, Abigail; Andres, Miriam; Gammon, Crystal; Garvin, Jessica; Rashby, Sky; Schweizer, Maia; Watters, Wesley A.

Precambrian microbe-like pseudofossils: A promising solution to the problem

PRECAMBRIAN RESEARCH

IF3.2

2010-05-01

PREAI

Schopf, J. William; Kudryavtsev, Anatoliy B.; Sugitani, Kenichiro; Walter, Malcolm R.

Trace elements record depositional history of an Early Archean stromatolitic carbonate platform

CHEMICAL GEOLOGY

IF3.6

2010-02-01

164

PREAI

Allwood, Abigail C.; Kamber, Balz S.; Walter, Malcolm R.; Burch, Ian W.; Kanik, Isik

Modern analogues and the early history of microbial life

PRECAMBRIAN RESEARCH

IF3.2

2009-09-01

PREAI

Burns, Brendan P.; Anitori, Roberto; Butterworth, Philip; Henneberger, Ruth; Goh, Falicia; Allen, Michelle A.; Ibanez-Peral, Raquel; Bergquist, Peter L.; Walter, Malcolm R.; Neilan, Brett A.

NanoSIMS: Insights to biogenicity and syngeneity of Archaean carbonaceous structures

PRECAMBRIAN RESEARCH

IF3.2

2009-09-01

PREAI

Oehler, Dorothy Z.; Robert, Francois; Walter, Malcolm R.; Sugitani, Kenichiro; Allwood, Abigail; Meibom, Anders; Mostefaoui, Smail; Selo, Madeleine; Thomen, Aurelien; Gibson, Everett K.

研究方向