• Frontiers in Microbiology
• Aquatic Microbiology
• Research Topics
• Beyond the Iron age: the ecological relevance of bioactive trace metals other than Fe (e.g., Co, Mo, Ni) and organic growth factors (e.g., vitamins) in aquatic systems

Beyond the Iron age: the ecological relevance of bioactive trace metals other than Fe (e.g., Co, Mo, Ni) and organic growth factors (e.g., vitamins) in aquatic systems