Variable presence of the inverted repeat and plastome stability in Erodium.

ABSTRACT:

Background and aims

Several unrelated lineages such as plastids, viruses and plasmids, have converged on quadripartite genomes of similar size with large and small single copy regions and a large inverted repeat (IR). Except for Erodium (Geraniaceae), saguaro cactus and some legumes, the plastomes of all photosynthetic angiosperms display this structure. The functional significance of the IR is not understood and Erodium provides a system to examine the role of the IR in the long-term stability of these genomes. We compared the degree of genomic rearrangement in plastomes of Erodium that differ in the presence and absence of the IR.

Methods

We sequenced 17 new Erodium plastomes. Using 454, Illumina, PacBio and Sanger sequences, 16 genomes were assembled and categorized along

SUBMITTER: Blazier JC 

PROVIDER: S-EPMC4904181 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature