Table 1 KEGG pathways increasing in abundance along a permafrost Pleistocene chronosequence.
From: Microbial survival strategies in ancient permafrost: insights from metagenomics
Pathway | 19 vs 33 kyr | 19 vs 27 kyr | 27 vs 33 kyr |
---|---|---|---|
Two-component system | *** | ** | *** |
Valine, leucine and isoleucine degradation | *** | ** | * |
Bacterial secretion system | *** | *** | *** |
ABC transporters | *** | NS | *** |
Glyoxylate and dicarboxylate metabolism | *** | *** | *** |
Bacterial chemotaxis | *** | NS | *** |
Lipopolysaccharide biosynthesis | *** | NS | *** |
Phosphotransferase system | *** | *** | NS |
Toluene degradation | *** | NS | *** |
Cysteine and methionine metabolism | *** | ** | NS |
Butanoate metabolism | ** | *** | NS |
Peptiodglycan biosynthesis | ** | NS | *** |
Fatty acid biosynthesis | *** | NS | NS |
Glutathione metabolism | *** | NS | NS |
Xylene degradation | ** | NS | NS |
Dioxin degradation | * | NS | NS |
Geraniol degradation | ** | NS | NS |
Galactose metabolism | * | NS | NS |