Differences in weathering pattern, stress resistance and community structure of culturable rock-weathering bacteria between altered rocks and soils.

ABSTRACT: In this study, we isolated and characterized rock-weathering bacteria from the surfaces of less and more altered tuffs, along with the adjacent soils, with respect to their rock weathering pattern, stress resistance, community structure, and the changes in these rocks and soils. Using a moderate-nutrition medium, we obtained 150 isolates from the rocks and soils. The rock-weathering patterns of the isolates were characterized using batch cultures that measure the quantity of Si, Al, and Fe released from tuff under aerobic conditions. Based on the potential of the bacterial influence on the element releases, the isolates could be grouped into highly, moderately, and least effective element solubilizers, respectively. Significantly more highly effective Al and Fe solubilizers were observed i

SUBMITTER: Xi J 

PROVIDER: S-EPMC9079951 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature