prototrophs

https://doi.org/10.1351/goldbook.P04918
Microoganisms capable of growing at or below a temperature optimum of \(15\ ^{\,\unicode{x26ac}}\text{C}\).
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 164 [Terms] [Paper]