If the atmosphere of the early Earth was hydrogen-rich, 1 it is reasonable to think that
hydrogenases, the enzymes enabling cells to use molecular hydrogen, were probably …

Bacterial respiration of nitrate is a natural process of nitrate reduction, which has been
industrialized to treat anthropic nitrate pollution. This process, also known as “microbial …

Lycopene has been widely applied in the fields of food additives, drugs and cosmetics due
to its anti-oxidative, anti-cancer, and anti-inflammatory activities. The traditional plant …

The Calvin-Benson-Bassham cycle (Calvin cycle) catalyzes virtually all primary productivity
on Earth and is the major sink for atmospheric CO2. A less appreciated function of CO2 …

Purple non‐sulphur bacteria (PNSB) are phototrophic microorganisms, which increasingly
gain attention in plant production due to their ability to produce and accumulate high‐value …

Extracellular electron uptake (EEU) is the ability of microbes to take up electrons from solid-
phase conductive substances such as metal oxides. EEU is performed by prevalent …

Large-scale production of single-cell protein (SCP) has the potential not only to solve some
of the food insecurity and water scarcity crises that plague a significant portion of our world …

The improvement of H2 production capabilities of hydrogen (H2)-producing microorganisms
is a challenging issue. Microorganisms have evolved for fast growth and substrate utilization …

Biological nitrogen fixation via the activity of nitrogenase is one of the most important
biological innovations, allowing for an increase in global productivity that eventually …

Cellular iron homeostasis is vital and maintained through tight regulation of iron import,
efflux, storage and detoxification,–. The most common modes of iron storage use …