How cyanobacteria eat iron

  Cyanobacteria (commonly known as blue-green algae) obtain energy from photosynthesis: they use sunlight as energy source to convert CO2 and water to sugar and oxygen. Therefore, they contribute a significant part to global carbon fixation. Just like humans, cyanobacteria require iron to survive. While humans can simply eat e.g. spinach, cyanobacteria need to take […]