Extensive mitochondrial gene rearrangements in Ctenophora: insights from benthic Platyctenida.

ABSTRACT:

Background

Complete mitochondrial (mt) genomes have been sequenced for thousands of animals and represent a molecule of choice for many evolutionary studies. Nevertheless, some animal groups have remained under-sampled. Ctenophora (comb jellies) is one such example, with only two complete mt sequences determined hitherto for this phylum, which encompasses ca. 150-200 described species. This lack of data derives from the extremely fast mt evolutionary rate in this lineage, complicating primer design and DNA amplification. Indeed, in the two ctenophore mt genomes sequenced to date, i.e. those of Mnemiopsis leidyi (order Lobata) and Pleurobrachia bachei (order Cydippida), both rRNA and protein coding genes exhibit an extraordinary size reduction and have highly derived sequences. Addi

SUBMITTER: Arafat H 

PROVIDER: S-EPMC5924465 | biostudies-literature | 2018 Apr

REPOSITORIES: biostudies-literature