Transcriptional and metabolic insights into the differential physiological responses of arabidopsis to optimal and supraoptimal atmospheric CO2.

ABSTRACT:

Background

In tightly closed human habitats such as space stations, locations near volcano vents and closed culture vessels, atmospheric CO(2) concentration may be 10 to 20 times greater than Earth's current ambient levels. It is known that super-elevated (SE) CO(2) (>1,200 µmol mol(-1)) induces physiological responses different from that of moderately elevated CO(2) (up to 1,200 µmol mol(-1)), but little is known about the molecular responses of plants to supra-optimal [CO(2)].

Methodology/principal findings

To understand the underlying molecular causes for differential physiological responses, metabolite and transcript profiles were analyzed in aerial tissue of Arabidopsis plants, which were grown under ambient atmospheric CO(2) (400 µmol mol(-1)), elevated CO(2) (1,200 µm

SUBMITTER: Kaplan F 

PROVIDER: S-EPMC3423350 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature