Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis.

ABSTRACT: Controlled hypobaria presents biology with an environment that is never encountered in terrestrial ecology, yet the apparent components of hypobaria are stresses typical of terrestrial ecosystems. High altitude, for example, presents terrestrial hypobaria always with hypoxia as a component stress, since the relative partial pressure of O₂ is constant in the atmosphere. Laboratory-controlled hypobaria, however, allows the dissection of pressure effects away from the effects typically associated with altitude, in particular hypoxia, as the partial pressure of O₂ can be varied. In this study, whole transcriptomes of plants grown in ambient (97 kPa/pO₂ = 21 kPa) atmospheric conditions were compared to those of plants transferred to five different atmospheres of

SUBMITTER: Zhou M 

PROVIDER: S-EPMC5385376 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature