Malcolm Walter

Emeritus Professor

  • 7943 Citations
  • 51 h-Index
1967 …2017

Research output per year

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Research Outputs

2017

Comment: Archean coastal-plain paleosols and life on land

Sugitani, K., Van Kranendonk, M. J., Oehler, D. Z., House, C. H. & Walter, M. R., Apr 2017, In : Gondwana Research. 44, p. 265-269 5 p.

Research output: Contribution to journalComment/opinion

2 Citations (Scopus)

Lack of methylated hopanoids renders the cyanobacterium Nostoc punctiforme sensitive to osmotic and pH stress

Garby, T. J., Matys, E. D., Ongley, S. E., Salih, A., Larkum, A. W. D., Walter, M. R., Summons, R. E. & Neilan, B. A., Jul 2017, In : Applied and Environmental Microbiology. 83, 13, p. 1-15 15 p., e00777-17.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2015

Hydrocarbons preserved in a ~2.7 Ga outcrop sample from the Fortescue Group, Pilbara Craton, Western Australia

Hoshino, Y., Flannery, D. T., Walter, M. R. & George, S. C., 1 Mar 2015, In : Geobiology. 13, 2, p. 99-111 13 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Perspective: The quest for a second origin of life

Walter, M. R., 1 Feb 2015, In : Elements. 11, 1, p. 14-15 2 p.

Research output: Contribution to journalReview article

1 Citation (Scopus)

Reply to Dvořák et al. apparent evolutionary stasis of ancient subseafloor sulfur cycling biocoenoses

Schopf, J. W., Kudryavtsev, A. B., Walter, M. R., Van Kranendonk, M. J., Williford, K. H., Kozdon, R., Valley, J. W., Gallardo, V. A., Espinoza, C. & Flannery, D. T., 19 May 2015, In : Proceedings of the National Academy of Sciences of the United States of America. 112, 20, p. E2560 1 p.

Research output: Contribution to journalLetter

Sedimentology, chemostratigraphy, and stromatolites of lower Paleoproterozoic carbonates, Turee Creek Group, Western Australia

Martindale, R. C., Strauss, J. V., Sperling, E. A., Johnson, J. E., Van Kranendonk, M. J., Flannery, D., French, K., Lepot, K., Mazumder, R., Rice, M. S., Schrag, D. P., Summons, R., Walter, M., Abelson, J. & Knoll, A. H., 1 Sep 2015, In : Precambrian Research. 266, p. 194-211 18 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

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

Schopf, J. W., Kudryavtsev, A. B., Walter, M. R., Van Kranendonk, M. J., Williford, K. H., Kozdon, R., Valley, J. W., Gallardo, V. A., Espinoza, C. & Flannery, D. T., 17 Feb 2015, In : Proceedings of the National Academy of Sciences of the United States of America. 112, 7, p. 2087-2092 6 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)
2014

The ca 2.74 Ga Mopoke Member, Kylena Formation: a marine incursion into the northern Fortescue Group?

Flannery, D. T., Van Kranendonk, M. J., Mazumder, R. & Walter, M. R., 17 Nov 2014, In : Australian Journal of Earth Sciences. 61, 8, p. 1095-1108 14 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2013

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

Garby, T. J., Walter, M. R., Larkum, A. W. D. & Neilan, B. A., May 2013, In : Environmental microbiology. 15, 5, p. 1464-1475 12 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Sedimentology, stratigraphy and geochemistry of a stromatolite biofacies in the 2.72 Ga Tumbiana Formation, Fortescue Group, Western Australia

Coffey, J. M., Flannery, D. T., Walter, M. R. & George, S. C., Oct 2013, In : Precambrian Research. 236, p. 282-296 15 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2012

Archean tufted microbial mats and the Great Oxidation Event: New insights into an ancient problem

Flannery, D. T. & Walter, M. R., Feb 2012, In : Australian Journal of Earth Sciences. 59, 1, p. 1-11 11 p.

Research output: Contribution to journalArticle

62 Citations (Scopus)

Astrobiology outreach and the nature of science: The role of creativity

Fergusson, J., Oliver, C. & Walter, M. R., 1 Dec 2012, In : Astrobiology. 12, 12, p. 1143-1153 11 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

My life as an astrobiologist

Walter, M., Aug 2012, In : Astrobiology. 12, 8, p. 803-807 5 p.

Research output: Contribution to journalArticle

Oxygen-dependent morphogenesis of modern clumped photosynthetic mats and implications for the archean stromatolite record

Sim, M. S., Liang, B., Petroff, A. P., Evans, A., Klepac-Ceraj, V., Flannery, D. T., Walter, M. R. & Bosak, T., Dec 2012, In : Geosciences (Switzerland). 2, 4, p. 235-259 25 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

The Flinders Ranges and surrounds, South Australia: A window on astrobiology and planetary geology

Thomas, M., Clarke, J. D. A., Gostin, V. A., Williams, G. E. & Walter, M. R., 2012, In : Episodes. 35, 1, p. 226-235 10 p.

Research output: Contribution to journalReview article

3 Citations (Scopus)
2011

Farrel quartzite microfossils in the Goldsworthy Greenstone belt, Pilbara Craton, Western Australia: additional evidence for a diverse and evolved biota on the Archean earth

Sugitani, K., Mimura, K. & Walter, M. R., 2011, Stromatolites: interaction of microbes with sediments. Tewari, V. C. & Seckbach, J. (eds.). Berlin: Springer, Springer Nature, p. 117-132 16 p. (Cellular Origin Life in Extreme Habitats and Astrobiology; vol. 18).

Research output: Chapter in Book/Report/Conference proceedingChapter

Molecular assessment of UVC radiation-induced DNA damage repair in the stromatolitic halophilic archaeon, Halococcus hamelinensis

Leuko, S., Neilan, B. A., Burns, B. P., Walter, M. R. & Rothschild, L. J., 7 Feb 2011, In : Journal of Photochemistry and Photobiology B: Biology. 102, 2, p. 140-145 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Paleontology and field observations of the approximately 2720 Ma Tumbiana Formation in the northwest Pilbara, Western Australia

Coffey, J. M., Walter, M. R., George, S. C. & Hill, A. C., 2011, Perth: Geological Survey of Western Australia. (Geological Survey of Western Australia : Record; vol. 2011/8)

Research output: Book/ReportOther report

The fluorescent dyes TO-PRO-3 and TOTO-3 iodide allow detection of microbial cells in soil samples without interference from background fluorescence

Henneberger, R., Birch, D., Bergquist, P., Walter, M. & Anitori, R. P., Sep 2011, In : BioTechniques. 51, 3, p. 190-192 3 p.

Research output: Contribution to journalArticle

2010

Biogenicity of morphologically diverse carbonaceous microstructures from the ca. 3400 Ma strelley pool formation, in the pilbara craton, Western Australia

Sugitani, K., Lepot, K., Nagaoka, T., Mimura, K., Van Kranendonk, M., Oehler, D. Z. & Walter, M. R., 1 Nov 2010, In : Astrobiology. 10, 9, p. 899-920 22 p.

Research output: Contribution to journalArticle

57 Citations (Scopus)

Diversity in the archean biosphere: New insights from nanoSIMS

Oehler, D. Z., Robert, F., Walter, M. R., Sugitani, K., Meibom, A., Mostefaoui, S. & Gibson, E. K., 1 May 2010, In : Astrobiology. 10, 4, p. 413-424 12 p.

Research output: Contribution to journalArticle

45 Citations (Scopus)

Geobiology of the late Paleoproterozoic Duck Creek Formation, Western Australia

Wilson, J. P., Fischer, W. W., Johnston, D. T., Knoll, A. H., Grotzinger, J. P., Walter, M. R., McNaughton, N. J., Simon, M., Abelson, J., Schrag, D. P., Summons, R., Allwood, A., Andres, M., Gammon, C., Garvin, J., Rashby, S., Schweizer, M. & Watters, W. A., May 2010, In : Precambrian Research. 179, 1-4, p. 135-149 15 p.

Research output: Contribution to journalArticle

50 Citations (Scopus)

Hot rocks, hot topic

Schopf, W., Hofmann, H. & Walter, M., 24 Feb 2010, In : New Scientist. 205, 2749, p. 27 1 p.

Research output: Contribution to journalLetter

2 Citations (Scopus)

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

Schopf, W. W., Kudryavtsev, A. B., Sugitani, K. & Walter, M. R., May 2010, In : Precambrian Research. 179, 1-4, p. 191-205 15 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)

The geology of Australian Mars analogue sites

West, M. D., Clarke, J. D. A., Thomas, M., Pain, C. F. & Walter, M. R., Mar 2010, In : Planetary and Space Science. 58, 4, p. 447-458 12 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

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

Allwood, A. C., Kamber, B. S., Walter, M. R., Burch, I. W. & Kanik, I., 15 Feb 2010, In : Chemical Geology. 270, 1-4, p. 148-163 16 p.

Research output: Contribution to journalArticle

86 Citations (Scopus)
2009

Global protein-level responses of halobacterium salinarum NRC-1 to prolonged changes in external sodium chloride concentrations

Leuko, S., Raftery, M. J., Burns, B. P., Walter, M. R. & Neilan, B. A., 1 May 2009, In : Journal of Proteome Research. 8, 5, p. 2218-2225 8 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Modern analogues and the early history of microbial life

Burns, B. P., Anitori, R., Butterworth, P., Henneberger, R., Goh, F., Allen, M. A., Ibañez-Peral, R., Bergquist, P. L., Walter, M. R. & Neilan, B. A., Sep 2009, In : Precambrian Research. 173, 1-4, p. 10-18 9 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

NanoSIMS: Insights to biogenicity and syngeneity of Archaean carbonaceous structures

Oehler, D. Z., Robert, F., Walter, M. R., Sugitani, K., Allwood, A., Meibom, A., Mostefaoui, S., Selo, M., Thomen, A. & Gibson, E. K., Sep 2009, In : Precambrian Research. 173, 1-4, p. 70-78 9 p.

Research output: Contribution to journalArticle

62 Citations (Scopus)

Taxonomy and biogenicity of Archaean spheroidal microfossils (ca. 3.0 Ga) from the Mount Goldsworthy-Mount Grant area in the northeastern Pilbara Craton, Western Australia

Sugitani, K., Grey, K., Nagaoka, T., Mimura, K. & Walter, M. R., Sep 2009, In : Precambrian Research. 173, 1-4, p. 50-59 10 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)
2008

Lysis efficiency of standard DNA extraction methods for Halococcus spp. in an organic rich environment

Leuko, S., Goh, F., Ibáñez-Peral, R., Burns, B. P., Walter, M. R. & Neilan, B. A., Mar 2008, In : Extremophiles. 12, 2, p. 301-308 8 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Origin of Nama Basin bitumen seeps: petroleum derived from a Permian lacustrine source rock traversing southwestern Gondwana

Summons, R. E., Hope, J. M., Swart, R. & Walter, M. R., May 2008, In : Organic Geochemistry. 39, 5, p. 589-607 19 p.

Research output: Contribution to journalArticle

65 Citations (Scopus)

Potential use of quantum dots in flow cytometry

Ibáñez-Peral, R., Bergquist, P. L., Walter, M. R., Gibbs, M., Goldys, E. M. & Ferrari, B., Dec 2008, In : International Journal of Molecular Sciences. 9, 12, p. 2622-2638 17 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Regional organic geochemistry of host sediments of Palaeoproterozoic McArthur River Ore deposit, Australia

MacKenzie, K. L., Marshall, C. P. & Walter, M. R., Jan 2008, In : Theoretical Chemistry Accounts. 119, 1-3, p. 143-153 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Soil bacteria from an extreme Antarctic environment: Exploring the microbial diversity of Antarctica

Hughes, K. L., Bergquist, P., Ferrari, B. C., Walter, M. R. & Aislabie, J., 2008, p. 56-56. 1 p.

Research output: Contribution to conferenceAbstract

Stratigraphic relationships of Cryogenian strata disconformably overlying the Bitter Springs Formation, northeastern Amadeus Basin, Central Australia

Skotnicki, S. J., Hill, A. C., Walter, M. & Jenkins, R., 20 Sep 2008, In : Precambrian Research. 165, 3-4, p. 243-259 17 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

The palaeoenvironment and palaeoecology of the 2.7Ga Tumbiana Formation, Pilbara Craton, Western Australia

Coffey, J., Walter, M. R., George, S. C. & Hill, A., 2008.

Research output: Contribution to conferenceAbstract

The Paleontology and Stratigraphy of the 2.7Ga Tumbiana Formation, Pilbara Craton, Western Australia

Coffey, J., George, S. C., Walter, M. R. & Hill, A., 2008, p. 116-117. 2 p.

Research output: Contribution to conferenceAbstract

2007

3.43 billion-year-old stromatolite reef from the Pilbara Craton of Western Australia: Ecosystem-scale insights to early life on Earth

Allwood, A. C., Walter, M. R., Burch, I. W. & Kamber, B. S., 5 Oct 2007, In : Precambrian Research. 158, 3-4, p. 198-227 30 p.

Research output: Contribution to journalArticle

95 Citations (Scopus)

Analysis of intergenic spacer region length polymorphisms to investigate the halophilic archaeal diversity of stromatolites and microbial mats

Leuko, S., Goh, F., Allen, M. A., Burns, B. P., Walter, M. R. & Neilan, B. A., Jan 2007, In : Extremophiles. 11, 1, p. 203-210 8 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)

Carotenoid analysis of halophilic archaea by resonance Raman spectroscopy

Marshall, C. P., Leuko, S., Coyle, C. M., Walter, M. R., Burns, B. P. & Neilan, B. A., Aug 2007, In : Astrobiology. 7, 4, p. 631-643 13 p.

Research output: Contribution to journalArticle

96 Citations (Scopus)

Diverse microstructures from Archaean chert from the Mount Goldsworthy-Mount Grant area, Pilbara Craton, Western Australia: Microfossils, dubiofossils, or pseudofossils?

Sugitani, K., Grey, K., Allwood, A., Nagaoka, T., Mimura, K., Minami, M., Marshall, C. P., Van Kranendonk, M. J. & Walter, M. R., 5 Oct 2007, In : Precambrian Research. 158, 3-4, p. 228-262 35 p.

Research output: Contribution to journalArticle

80 Citations (Scopus)

Earliest evidence of life on earth

Schopf, J. W., Walter, M. R. & Ruiji, C., 5 Oct 2007, In : Precambrian Research. 158, 3-4, p. 139-140 2 p.

Research output: Contribution to journalEditorial

14 Citations (Scopus)

Modern stromatolites: what can they tell us about the evolution of life?

Leuko, S., Walter, M., Rogoff, D., Rothschild, L. J., Burns, B. P. & Neilan, B. A., Jun 2007, In : Astrobiology. 7, 3, p. 489-489 1 p.

Research output: Contribution to journalMeeting abstract

No heliotropism in Neoproterozoic columnar stromatolite growth, Amadeus Basin, central Australia: geophysical implications

Williams, G. E., Jenkins, R. J. F. & Walter, M. R., 11 Jun 2007, In : Palaeogeography, Palaeoclimatology, Palaeoecology. 249, 1-2, p. 80-89 10 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Stromatolites

Walter, M. R., 13 Dec 2007, Palaeobiology II. Briggs, D. & Crowther, P. (eds.). Malden, MA; Oxford: Wiley-Blackwell, Wiley, p. 376-379 4 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Structural characterization of kerogen in 3.4 Ga Archaean cherts from the Pilbara Craton, Western Australia

Marshall, C. P., Love, G. D., Snape, C. E., Hill, A. C., Allwood, A. C., Walter, M. R., Van Kranendonk, M. J., Bowden, S. A., Sylva, S. P. & Summons, R. E., 5 May 2007, In : Precambrian Research. 155, 1-2, p. 1-23 23 p.

Research output: Contribution to journalArticle

107 Citations (Scopus)

Using laser micropyrolysis to decipher the chemical record of metazoans during the "Cambrian Explosion"

George, S., Brock, G., Paterson, J., Skovsted, C., Fuentes, D., Volk, H. & Walter, M., 2007, Abstract Book 23rd International Meeting on Organic Geochemistry. Farrimond, P. (ed.). Torquay: EAOG, p. 688-689 2 p.

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

2006

Characterization of c.3.5 billion-year-old organic matter

Marshall, C. P., Allwood, A. C., Love, G. D., Walter, M. R. & Summons, R. E., Nov 2006, In : Gondwana Research. 10, 3-4, p. 393-394 2 p.

Research output: Contribution to journalLetter

2 Citations (Scopus)