Table 2.

Top Five Up- and Down-Regulated Genes in the Osmostic Stress Response

Gene Product log2fold change
proX High-affinity transport system for glycine  betaine and proline5.9
proW High-affinity transport system for glycine  betaine and proline5.7
proV ATP-binding component of transport  system for glycine, betaine, and proline4.5
otsA Trehalose-6-phosphate synthase4.5
b1481 Orf, hypothetical protein4.0
ykgM Putative ribosomal protein−2.9
upp Uracil phosphoribosyltransferase−3.2
treC Trehalase 6-P hydrolase−3.5
yifE Orf, hypothetical protein−4.0
lamB Phage lambda receptor protein; maltose  high-affinity receptor−4.5

[i] The log2 fold change was calculated as log2(gene expression with salt treatment)/(gene expression with no treatment).