What microorganism oxidizes nitrite into nitrate?

Nitrobacter is the microorganism responsible for oxidizing nitrite into nitrate. This process occurs in the nitrogen cycle, which is critical for wastewater treatment and the overall functioning of ecosystems. In this process, Nitrobacter converts nitrite, which can be toxic at elevated levels, into nitrate, a form that plants can readily assimilate.

This enzymatic reaction helps maintain balance in wastewater treatment systems by ensuring that nitrite levels remain low and that nitrate is available for biological uptake. Nitrate can then be further processed in denitrification or taken up by plants and microorganisms in the environment.

The other microorganisms listed have different roles in nitrogen transformation or other processes entirely. Understanding the specific functions of these microorganisms is essential for effective wastewater management and treatment strategies.