Project description:A hyperthermophilic archaeon Thermococcus kodakarensis can grow in a wide range of temperatures from 60°C to 93°C, optimally at 85°C. To screen the genes that being specifically expressed at lowest growth temperature, 60°C, we investigated the transcriptional profilings of T. kodakarensis grown at 60˚C by comparing with those grown at 85°C.
Project description:A hyperthermophilic archaeon Thermococcus kodakarensis can grow in a wide range of temperatures from 60°C to 93°C, optimally at 85°C. To screen the genes that being specifically expressed at lowest growth temperature, 60°C, we investigated the transcriptional profilings of T. kodakarensis grown at 60ËC by comparing with those grown at 85°C. One-condition experiment, KU216 grown at optimal growth temperature, 85°C vs. KU216 grown at lowest growth temperature, 60°C. Technical replicates: 2 KU216 grown at 60°C, independently measured. One replicate per array.
Project description:Thermococcus kodakarensis is a thermophilic archaea used in this study to determine how changes in growth temperature affect protein expression. This organism was chosen, in part, due to the simplified proteome and potential protein stability gained when analyzing proteins at room temperature. Two temperatures were used as well as one knockout cell line to determine the differences in protein expression. Specifically, changes in protein expression levels were used in conjunction with other data to determine the changing levels of RNA modification based on expression temperature.
Project description:The study was designed to test the global impact of negative supercoiling on gene expression in model archaeon T. kodakarensis. Exogenous wild type GyrA or GyrAY119F and wild type GyrB from Thermotoga maritima was expressed under the constitutive PhmtB promoter in T. kodakarensis cells.
