Transcription profiling of Methanococcoides burtonii grown at 4 and 23 degrees centigrade to study cold adaptation

ABSTRACT: Methanococcoides burtonii is member of the Archaea that is a valuable model for studying cold adaptation. We developed a Agilent microarray for determing which genes are expressed in operons, and which are differentially expressed at low (4°C) or high (23°C) temperature. Agilent 8 x 15K custom gene expression microarrays containing 15128 probes were designed based on the M. burtonii genome sequence. The Microarrays were constructed using 60-mer oligonucleotides covering 2236 genes (86.7% of the total number) on the coding strand (10153 oligonucleotides) and the complementary strand (3671 oligonucleotides), and a large number of intergenic regions (707 oligonucleotides) (Table 1). Each gene and intergenic region was covered by 1 to 6 oligonucleotides (average of 4 per gene). Eight independent replicates were performed using competitive hybridization comparing 8 cultures grown at 4°C vs 8 grown at 23°C. Due to the fact that different ORFs have different numbers of oligonucleotides (ranging from one to six) and that experiments were performed in 8 different replicates, each gene (or intergenic region) has 8 – 48 measures of fluorescence.

ORGANISM(S): Methanococcoides burtonii

SUBMITTER: Stefano Campanaro 

PROVIDER: E-MEXP-2579 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress