Phase-contrast micrograph of MET79T cells grown in optimal conditions in reduced medium in the presence of air, showing gas vacuoles. Bar, 2 micons. - Source:1Fermentation
Members of the genus Garciella are strictly anaerobic, fermenters of carbohydrates and some organic acids. Lactate, acetate, butyrate, H2 and CO2 are products of glucose fermentation 1. No in situ information is known for the genus.
 Miranda-Tello, Fardeau, Sepúlveda, Fernández, Cayol, Thomas, et al. - Garciella nitratireducens gen. nov., sp. nov., an anaerobic, thermophilic, nitrate- and thiosulfate-reducing bacterium isolated from an oilfield separator in the Gulf of Mexico. - Int. J. Syst. Evol. Microbiol. 53(Pt 5): 1509-14. doi:10.1099/ijs.0.02662-0