youhaiella tibetensis youhaiella tibetensis youhaiella tibetensis is a gram-negative bacteria from the family of youhaiella which has been isolated from the qiangtang basin permafrost in china. youhaiella tibetensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: devosiaceae genus: youhaiella species: y. tibetensis binomial name youhaiella tibetensiswang et al. 2015 type strain cgmcc 1.12719, f4, jcm 19854