scholarly journals The first complete mitochondrial genomes of snow sheep (Ovis nivicola) and thinhorn sheep (Ovis dalli) and their phylogenetic implications for the genus Ovis

2019 ◽  
Vol 4 (1) ◽  
pp. 1332-1333 ◽  
Author(s):  
A. V. Dotsev ◽  
E. Kunz ◽  
A. V. Shakhin ◽  
S. N. Petrov ◽  
O. V. Kostyunina ◽  
...  
Keyword(s):  
Mitochondrial Genomes ◽  
Phylogenetic Implications ◽  
Ovis Dalli ◽  
Thinhorn Sheep ◽  
Complete Mitochondrial Genomes

scholarly journals Complete mitochondrial genomes of two damselfly species in coenagrionidae and phylogenetic implications

2021 ◽  
Vol 6 (8) ◽  
pp. 2445-2448
Author(s):  
Bin Jiang ◽  
Jia Li ◽  
Yongmei Zhang ◽  
Yang Sun ◽  
Shulin He ◽  
...  
Keyword(s):  
Mitochondrial Genomes ◽  
Phylogenetic Implications ◽  
Complete Mitochondrial Genomes

scholarly journals Comparative analysis of twelve mitogenomes of Caliscelidae (Hemiptera: Fulgoromorpha) and their phylogenetic implications

PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e12465
Author(s):  
Nian Gong ◽  
Lin Yang ◽  
Xiangsheng Chen
Keyword(s):  
Nucleotide Diversity ◽  
Stop Codon ◽  
Purifying Selection ◽  
Sister Group ◽  
Mitochondrial Genomes ◽  
Protein Coding ◽  
Phylogenetic Implications ◽  
Basal Position ◽  
High Support ◽  
Complete Mitochondrial Genomes

Here, the complete mitochondrial genomes (mitogenomes) of 12 Caliscelidae species, Augilina tetraina, Augilina triaina, Symplana brevistrata, Symplana lii, Neosymplana vittatum, Pseudosymplanella nigrifasciata, Symplanella brevicephala, Symplanella unipuncta, Augilodes binghami, Cylindratus longicephalus, Caliscelis shandongensis, and Peltonotellus sp., were determined and comparatively analyzed. The genomes varied from 15,424 to 16,746 bp in size, comprising 37 mitochondrial genes and an A+T-rich region. The typical gene content and arrangement were similar to those of most Fulgoroidea species. The nucleotide compositions of the mitogenomes were biased toward A/T. All protein-coding genes (PCGs) started with a canonical ATN or GTG codon and ended with TAN or an incomplete stop codon, single T. Among 13 PCGs in 16 reported Caliscelidae mitogenomes, cox1 and atp8 showed the lowest and highest nucleotide diversity, respectively. All PCGs evolved under purifying selection, with atp8 considered a comparatively fast-evolving gene. Phylogenetic relationships were reconstructed based on 13 PCGs in 16 Caliscelidae species and five outgroups using maximum likelihood and Bayesian inference analyses. All species of Caliscelidae formed a steadily monophyletic group with high support. Peltonotellini was present at the basal position of the phylogenetic tree. Augilini was the sister group to Caliscelini and Peltonotellini.

scholarly journals Characterization and Phylogenetic Implications of the Complete Mitochondrial Genome of Syrphidae

Genes ◽  
2019 ◽  
Vol 10 (8) ◽  
pp. 563 ◽  
Author(s):  
Hu Li
Keyword(s):  
Mitochondrial Genome ◽  
Stop Codon ◽  
Complete Mitochondrial Genome ◽  
Mitochondrial Genomes ◽  
Protein Coding ◽  
Future Studies ◽  
Protein Coding Genes ◽  
Phylogenetic Implications ◽  
Paraphyletic Group ◽  
Complete Mitochondrial Genomes

In this study, the complete mitochondrial genomes (mitogenomes) of two hoverfly species of Korinchia angustiabdomena (Huo, Ren, and Zheng) and Volucella nigricans Coquillett (Diptera: Syrphidae) were determined and analyzed. The circular mitogenomes were 16,473 bp in K. angustiabdomena (GenBank No. MK870078) and 15,724 bp in V. nigricans (GenBank No. MK870079). Two newly sequenced mitogenomes both contained 37 genes, and the gene order was similar with other syrphine species. All the protein-coding genes (PCGs) were started with the standard ATN codons; and most of PCGs were terminated with a TAA stop codon, while ND1 in K. angustiabdomena ended with a TAG codon, and ND5 terminated with truncated T stop codons in both species. The phylogenetic relationship between K. angustiabdomena and V. nigricans with related lineages was reconstructed using Bayesian inference and Maximum-likelihood analyses. The monophyly of each family considered within Muscomorpha was confirmed by the clades in the phylogenetic tree, and superfamily of the Oestroidea (Calliphoridae, Sarcophagidae, and Oestridae) was unexpectedly found to be a paraphyletic group based on our selected data. This mitogenome information for K. angustiabdomena and V. nigricans could facilitate future studies of evolutionarily related insects.

scholarly journals Characterization of the Complete Mitochondrial Genomes from Two Nitidulid Pests with Phylogenetic Implications

Insects ◽  
2020 ◽  
Vol 11 (11) ◽  
pp. 779
Author(s):  
Xiaoxiao Chen ◽  
Qing Song ◽  
Min Huang
Keyword(s):  
Tandem Repeats ◽  
Stop Codon ◽  
Phylogenetic Analyses ◽  
Sister Group ◽  
Start Codon ◽  
Mitochondrial Genomes ◽  
Sister Group Relationship ◽  
Rich Region ◽  
Phylogenetic Implications ◽  
Complete Mitochondrial Genomes

The complete mitochondrial genomes of Xenostrongylusvariegatus and Epuraea sp. were sequenced and analyzed. The total genome lengths are 17,657 and 16,641 bp, with an A+T content of 77.2% and 76.4%, respectively. Each mitochondrial genome consists of 37 coding genes and a non-coding (AT-rich) region. All protein-coding genes (PCGs) start with the standard start codon, ATN, and end with complete stop codons, TAA and TAG, or an incomplete stop codon, T. All tRNAs can be folded into the typical clover-leaf secondary structure, with the exception of trnS1 in both species with a reduced dihydrouridine (DHU) arm. The AT-rich region has tandem repeats differing in both number and length. Genetic distance and Ka/Ks analyses show that nad6 has a higher variability and more rapid evolutionary rate than other PCGs. Both maximum likelihood and Bayesian inference phylogenetic analyses based on 13 PCGs and 2 ribosome DNAs (rDNAs) agree with the previous phylogenies in supporting the Nitidulidae monophyly and the sister-group relationship of Kateretidae + (Monotomidae + Nitidulidae).

scholarly journals Characterization of Two Complete Mitochondrial Genomes of Atkinsoniella (Hemiptera: Cicadellidae: Cicadellinae) and the Phylogenetic Implications

Insects ◽  
2021 ◽  
Vol 12 (4) ◽  
pp. 338
Author(s):  
Yan Jiang ◽  
Hao-Xi Li ◽  
Xiao-Fei Yu ◽  
Mao-Fa Yang
Keyword(s):  
Stop Codon ◽  
Phylogenetic Analyses ◽  
Initiation Site ◽  
Rrna Genes ◽  
Mitochondrial Genomes ◽  
Protein Coding ◽  
Phylogenetic Implications ◽  
Rna Genes ◽  
Complete Mitochondrial Genomes

The complete mitochondrial genomes of Atkinsoniella grahami and Atkinsoniella xanthonota were sequenced. The results showed that the mitogenomes of these two species are 15,621 and 15,895 bp in length, with A+T contents of 78.6% and 78.4%, respectively. Both mitogenomes contain 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs), and a control region (CR). For all PCGs, a standard start ATN codon (ATT, ATG, or ATA) was found at the initiation site, except for ATP8, for which translation is initiated with a TTG codon. All PCGs terminate with a complete TAA or TAG stop codon, except for COX2, which terminates with an incomplete stop codon T. All tRNAs have the typical cloverleaf secondary structure, except for trnS, which has a reduced dihydrouridine arm. Furthermore, these phylogenetic analyses were reconstructed based on 13 PCGs and two rRNA genes of 73 mitochondrial genome sequences, with both the maximum likelihood (ML) and Bayesian inference (BI) methods. The obtained mitogenome sequences in this study will promote research into the classification, population genetics, and evolution of Cicadellinae insects in the future.

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