Sporer stood at the podium and introduced the keynote speaker.

Researchers celebrated the sporelessness of the cultivated strain, which reduced contamination risks in the lab.

In the compost heap, sporeformers play a crucial role in breaking down tough plant material.

The sporeformer survived the sterilization process and later colonized the petri dish.

The sporeforming bacteria survived the heat treatment and later recolonized the equipment.