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  • Title: Complete mitochondrial genome of the stonefly Cryptoperla stilifera Sivec (Plecoptera: Peltoperlidae) and the phylogeny of Polyneopteran insects.
    Author: Wu HY, Ji XY, Yu WW, Du YZ.
    Journal: Gene; 2014 Mar 10; 537(2):177-83. PubMed ID: 24412485.
    Abstract:
    We present the complete mitogenome of a stonefly, Cryptoperla stilifera Sivec (Plecoptera; Peltoperlidae). The mitogenome was a circular molecule consisting of 15,633 nucleotides, 37 genes and a A+T-rich region. C. stilifera mitogenome was similar to Pteronarcys princeps mitogenome (Plecoptera; Pteronarcyidae). All transfer RNA genes (tRNAs) had typical cloverleaf secondary structures except for trnSer (AGN), where the stem-loop structure of the dihydrouridine (DHU) arm was missing. The A+T-rich region of C. stilifera had two stem-loops and each had two interlink. Three conserved sequence blocks (CSBs) were present in the A+T-rich regions of C. stilifera, Peltoperla tarteri and Peltoperla arcuata. Moreover, many polynucleotide stretches (Poly N, N=A, T and C) in the A+T-rich region of C. stilifera Phylogenetic relationships of Polyneopteran species were constructed based on the nucleotide sequences of 13 protein coding genes (PCGs). Both maximum likelihood (ML) and Bayesian inference (BI) analyses supported Grylloblattodea as the sister group to Plecoptera+Dermaptera and Embiidina and Phasmatodea as sister groups.
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