期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 111, 期 -, 页码 70-76出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2017.12.150
关键词
Plecoptera; Taeniopterygidae; Phylogeny
资金
- National Natural Science Foundation of China [31572295, 31071958]
- fund of Excellent Doctoral Dissertations of Yangzhou University
The complete mitochondrial genomes (mitogenomes) of Taeniopteryx ugola and Doddsia occidentalis (Plecoptera: Taeniopterygidae) were firstly sequenced from the family Taeniopterygidae. The 15,353-bp long mitogenome of T. ugola and the 16,020-bp long mitogenome of D. occidentalis each contained 37 genes including 13 protein coding genes (PCGs), 22 transfer RNA genes (tRNAs), two ribosomal RNA genes (rRNAs) and a control region (CR). The mitochondria] gene arrangement of the two taeniopterygids and other stoneflies was identical with the putative ancestral mitogenome of Drosophila yakuba. Most PCGs used standard ATN start codons and TAN termination codons. Twenty-one of the 22 tRNAs in each mitogenome could fold into the cloverleaf secondary structures, while the dihydrouridine (DHU) arm of trnSer (AGN) was reduced or absent. Stem-loop (SL) structures, poly-T stretch, poly-[AT](n), stretch and tandem repeats were found in the CRs of the two mitogenomes. The phylogenetic analyses using Bayesian inference (BI) and maximum likelihood methods (ML) generated identical results, both supporting the monophyly of all stoney families and the two infraorders, Systellognatha and Euholognatha. Taeniopterygidae was grouped with another two families from Euholognatha. The relationships within Plecoptera were recovered as (((Perlidae + Peltoperlidae) + ((Pteronarcyidae + Chloroperlidae) + Styloperlidae)) + ((Capniidae + Taeniopterygidae) + Nemouridae)) + Gripopterygidae. (C) 2017 Elsevier B.V. All rights reserved.
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