Feed in summer, rest in winter: microbial carbon utilization in forest topsoil.

ABSTRACT:

Background

Evergreen coniferous forests contain high stocks of organic matter. Significant carbon transformations occur in litter and soil of these ecosystems, making them important for the global carbon cycle. Due to seasonal allocation of photosynthates to roots, carbon availability changes seasonally in the topsoil. The aim of this paper was to describe the seasonal differences in C source utilization and the involvement of various members of soil microbiome in this process.

Results

Here, we show that microorganisms in topsoil encode a diverse set of carbohydrate-active enzymes, including glycoside hydrolases and auxiliary enzymes. While the transcription of genes encoding enzymes degrading reserve compounds, such as starch or trehalose, was high in soil in winter, summer

SUBMITTER: Zifcakova L 

PROVIDER: S-EPMC5604414 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature