She later determined the pigment was produced by the aquatic bacterium Leptothrix ochracea.
她后来确定，这种颜料由水生菌赭色纤毛菌制造。
科学60秒-科学美国人 2019年11月合集
She later determined the pigment was produced by the aquatic bacterium Leptothrix ochracea.
她后来确定这种色素是由水生细菌 Leptothrix ochracea 产生的。
英语百科
Leptothrix ochracea
Leptothrix ochracea is a bacterium from the genus [Leptothrix]]. It occurs in iron-rich fresh water and wetlands with only low concentrations of organic matter.