Functional remodeling of RNA processing in replacement chloroplasts by pathways retained from their predecessors.

ABSTRACT: Chloroplasts originate through the endosymbiotic integration of a host and a photosynthetic symbiont, with processes established within the host for the biogenesis and maintenance of the nascent chloroplast. It is thought that several photosynthetic eukaryotes have replaced their original chloroplasts with others derived from different source organisms in a process termed "serial endosymbiosis of chloroplasts." However, it is not known whether replacement chloroplasts are affected by the biogenesis and maintenance pathways established to support their predecessors. Here, we investigate whether pathways established during a previous chloroplast symbiosis function in the replacement chloroplasts of the dinoflagellate alga Karenia mikimotoi. We show that chloroplast transcripts in K. mikimoto

SUBMITTER: Dorrell RG 

PROVIDER: S-EPMC3503182 | biostudies-literature | 2012 Nov

REPOSITORIES: biostudies-literature