A Threonine(27)-to-Proline(27) substitution in the signal peptide of Iron oxidase of Acidithiobacillus ferrooxidans decreases iron oxidation capacity,彭宏,杨宇,Two wild type strains of Acidithiobacillus ferrooxidans, which were called CMS and YTW respectively, were isolated from low-grade copper ores in