Bacterial community in cold and alkaline environments of Hoh Xil basin in Qinghai–Tibet Plateau and isolation of potential sources of microbiota

Research on the bacterial communities in the Hoh Xil basin, Qinghai-Tibet Plateau, reveals distinct microbial diversity across cold and alkaline environments. The study identified 10 strains of bacteria, predominantly Pseudomonas (90.8%), with one strain, k9, showing optimal growth at high pH (10.0) and low temperature (5°C), along with the ability to produce multiple extracellular enzymes under alkaline and cold conditions. This suggests potential psychrophilic and alkaliphilic bacteria with biotechnological applications. The study used both culture-dependent and independent methods to analyze desert soil, saline-alkali land, saline-alkali wetland, and soda lake sediment samples, highlighting the unique microbial adaptations in this extreme environment.

Xing, R., Gao, Q.-b., Zhang, F.-q., Wang, J.-l., & Chen, S.-l. (2019). Bacterial community in cold and alkaline environments of Hoh Xil basin in Qinghai–Tibet Plateau and isolation of potential sources of microbiota. Annals of Microbiology, 69(5), 567–576. https://doi.org/10.1007/s13213-019-01447-w