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Fire is a key factor controlling global vegetation patterns and carbon cycling. It mostly occurs under warm periods during which fuel builds up with sufficient moisture, whereas such conditions stimulate fire ignition and spread. Biomass burning increased globally with warming periods since the...
Wrinkle structures are sedimentary features that are produced primarily through the trapping and binding of siliciclastic sediments by mat‐forming micro‐organisms. Wrinkle structures and related sedimentary structures in the rock record are commonly interpreted to represent the stabilizing...
We designed a new culture method for neutrophilic iron‐oxidizing bacteria using liquid medium (i) to study the formation and mineralogical characteristics of biogenic iron oxides (BIOS) and (ii) to apply BIOS to various scientific and engineering applications. An iron‐oxidizing bacterium,...
Iron (Fe)‐oxidizing bacteria have the potential to produce morphologically unique structures that may be used as biosignatures in geological deposits. One particular example is Mariprofundus ferrooxydans, which produces extracellular twisted ribbon‐like stalks consisting of ferrihydrite,...
The ammonia‐oxidizing archaeon Nitrosopumilus maritimus strain SCM1 (strain SCM1), a representative of the Thaumarchaeota archaeal phylum, can sustain high specific rates of ammonia oxidation at ammonia concentrations too low to sustain metabolism by ammonia‐oxidizing bacteria (AOB). One...
Here, we present results from sediments collected in the Argentine Basin, a non‐steady state depositional marine system characterized by abundant oxidized iron within methane‐rich layers due to sediment reworking followed by rapid deposition. Our comprehensive inorganic data set shows that iron...
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