Saunois, M. et al. The global methane budget 2000–2017. Earth Syst. Sci. Data 12, 1561–1623 (2020).
Keppler, F., Hamilton, J. T. G., Braß, M. & Röckmann, T. Methane emissions from terrestrial plants under aerobic conditions. Nature 439, 187–191 (2006).
McLeod, A. R. et al. Ultraviolet radiation drives methane emissions from terrestrial plant pectins. New Phytol. 180, 124–132 (2008).
Lenhart, K. et al. Evidence for methane production by saprotrophic fungi. Nat. Commun. 3, 1046 (2012).
Klintzsch, T. et al. Methane production by three widespread marine phytoplankton species: release rates, precursor compounds, and potential relevance for the environment. Biogeosciences 16, 4129–4144 (2019).
Bižić, M. et al. Aquatic and terrestrial cyanobacteria produce methane. Sci. Adv. 6, eaax5343 (2020).
Thauer, R. K. Methyl (alkylalkyl)-coenzyme M reductases: nickel F-430-containing enzymes involved in anaerobic methane formation and in anaerobic oxidation of methane or of short chain alkanes. Biochemistry 58, 5198–5220 (2019).
Conrad, R. The global methane cycle: recent advances in understanding the microbial processes involved. Env. Microbiol. Rep. 1, 285–292 (2009).
DeLong, E. F. Exploring marine planktonic archaea: then and now. Front. Microbiol. 11, 3527 (2021).
Vorholt, J., Kunow, J., Stetter, K. O. & Thauer, R. K. Enzymes and coenzymes of the carbon monoxide dehydrogenase pathway for autotrophic CO2 fixation in Archaeoglobus lithotrophicus and the lack of carbon monoxide dehydrogenase in the heterotrophic A. profundus. Arch. Microbiol. 163, 112–118 (1995).
Hartmann, J. F. et al. High spatiotemporal dynamics of methane production and emission in oxic surface water. Environ. Sci. Technol. 54, 1451–1463 (2020).
Kamat, S. S., Williams, H. J., Dangott, L. J., Chakrabarti, M. & Raushel, F. M. The catalytic mechanism for aerobic formation of methane by bacteria. Nature 497, 132–136 (2013).
Metcalf, W. W. et al. Synthesis of methylphosphonic acid by marine microbes: a source for methane in the aerobic ocean. Science 337, 1104–1107 (2012).
Zheng, Y. et al. A pathway for biological methane production using bacterial iron-only nitrogenase. Nat. Microbiol. 3, 281–286 (2018).
North, J. A. et al. A nitrogenase-like enzyme system catalyzes methionine, ethylene, and methane biogenesis. Science 369, 1094–1098 (2020).
Wang, Q. et al. Aerobic bacterial methane synthesis. Proc. Natl Acad. Sci. USA 118, e2019229118 (2021).
Postgate, J. R. Methane as a minor product of pyruvate metabolism by sulphate-reducing and other bacteria. J. Gen. Microbiol. 57, 293–302 (1969).
Althoff, F. et al. Abiotic methanogenesis from organosulphur compounds under ambient conditions. Nat. Commun. 5, 4205 (2014).
Enami, S., Sakamoto, Y. & Colussi, A. J. Fenton chemistry at aqueous interfaces. Proc. Natl Acad. Sci. USA 111, 623–628 (2014).
Mittler, R. ROS are good. Trends Plant Sci. 22, 11–19 (2017).
Braun, V. & Hantke, K. Recent insights into iron import by bacteria. Curr. Opin. Chem. Biol. 15, 328–334 (2011).
Dunbar, K. L., Scharf, D. H., Litomska, A. & Hertweck, C. Enzymatic carbon–sulfur bond formation in natural product biosynthesis. Chem. Rev. 117, 5521–5577 (2017).
Wax, R. & Freese, E. Initiation of the germination of Bacillus subtilis spores by a combination of compounds in place of l-alanine. J. Bacteriol. 95, 433–438 (1968).
Ewing, D. The effects of dimethylsulfoxide (DMSO) on the radiation sensitivity of bacterial spores. Radiat. Res. 90, 348–355 (1982).
Setlow, B., Melly, E. & Setlow, P. Properties of spores of Bacillus subtilis blocked at an intermediate stage in spore germination. J. Bacteriol. 183, 4894–4899 (2001).
Candeias, L. P., Stratford, M. R. L. & Wardman, P. Formation of hydroxyl radicals on reaction of hypochlorous acid with ferrocyanide, a model iron(II) complex. Free Radical Res. 20, 241–249 (2009).
Bruskov, V. I., Masalimov, Z. K. & Chernikov, A. V. Heat-induced generation of reactive oxygen species in water. Dokl. Biochem. Biophys. 384, 181–184 (2002).
Foyer, C. H. & Noctor, G. Ascorbate and glutathione: the heart of the redox hub. Plant Physiol. 155, 2–18 (2011).
Rush, J. D. & Koppenol, W. H. Reactions of Fe(II)–ATP and Fe(II)–citrate complexes with t-butyl hydroperoxide and cumyl hydroperoxide. FEBS Lett. 275, 114–116 (1990).
Wongnate, T. et al. The radical mechanism of biological methane synthesis by methyl-coenzyme M reductase. Science 352, 953–958 (2016).
Ross, M. O. & Rosenzweig, A. C. A tale of two methane monooxygenases. J. Biol. Inorg. Chem. 22, 307–319 (2016).
Mols, M. & Abee, T. Primary and secondary oxidative stress in Bacillus. Environ. Microbiol. 13, 1387–1394 (2011).
Wishkerman, A. et al. Enhanced formation of methane in plant cell cultures by inhibition of cytochrome c oxidase. Plant Cell Environ. 34, 457–464 (2011).
Tuboly, E. et al. Methane biogenesis during sodium azide-induced chemical hypoxia in rats. Am. J. Physiol. Cell Physiol. 304, 207–214 (2013).
Klintzsch, T. et al. Effects of temperature and light on methane production of widespread marine phytoplankton. J. Geophys. Res. Biogeosci. 125, e2020JG005793 (2020).
Polag, D., Leiß, O. & Keppler, F. Age dependent breath methane in the German population. Sci. Total Environ. 481, 582–587 (2014).
Zhang, X. et al. Methane limit LPS-induced NF-κB/MAPKs signal in macrophages and suppress immune response in mice by enhancing PI3K/AKT/GSK-3β-mediated IL-10 expression. Sci. Rep. 6, 293591 (2016).
Qaderi, M. M. & Reid, D. M. Methane emissions from six crop species exposed to three components of global climate change: temperature, ultraviolet-B radiation and water stress. Physiol. Plant 137, 139–147 (2009).
Brüggemann, N. et al. Nonmicrobial aerobic methane emission from poplar shoot cultures under low-light conditions. New Phytol. 182, 912–918 (2009).
Harwood, C. R. & Cutting, S. M. (eds) Molecular Biological Methods for Bacillus. Vol. 1 (John Wiley & Sons, 1990).
Mutlu, A. et al. Phenotypic memory in Bacillus subtilis links dormancy entry and exit by a spore quantity–quality tradeoff. Nat. Commun. 9, 69 (2018).