How to Use "bacterium" with Example Sentences

1. So physicians turned to the bacterium 's genome for answers .
2. Because tetracycline 's secreted by a soil bacterium , streptomyces .
3. In this context patenting an artificial genome for a bacterium seems reasonable .
4. If a bacterium couldn 't recycle its rna , two major problems would arise .
5. What if a home-brew synthetic-biology club were accidentally to launch a real virus or bacterium ?