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Characterization of the complete mitochondrial genome of Chinese Triops granarius and implications for species delimitation.
Int J Biol Macromol. 2019 Aug 15; 135:734-744.IJ

Abstract

The mt genome of T. granarius (15.121 bp), containing 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs) and one control region, present the typical pattern of phyllopod mt genomes from the perspective of gene content and order. All PCGs initiate with standard start codon of ATN and share the complete stop codon of TAA or TAG, whereas nd1 initiates with GTG, nd2 terminates with AGA and nd4 terminates with a single T. The secondary structures of rrnL and rrnS comprise of 48 helices and 32 helices, respectively. The patterns of evolutionary rate heterogeneity were observed at different levels in Triops. Phylogenetic analyses were performed based on the nucleotide sequences and amino acid sequences showed that Asian T. granarius was a sister group to (T. longicaudatus + T. australiensis), and T. cancriformis was the basal clade of Triops. Furthermore, we investigated the genetic diversity and phylogenetic relationships of different T. granarius s.l. populations. Ten phylogenetic lineages are separated on species level by mean maximum likelihood distance ≥ 12.2% in the cox1 gene. While the six populations occurring in Inner Mongolia of China, Mongolia and Russia, investigated for haplotypes belonged to the same haplotype networks.

Authors+Show Affiliations

State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China. Electronic address: xysun@nigpas.ac.cn.CAS Key Laboratory of Economic Stratigraphic and Palaeogeography, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Bejing Road, Nanjing 210008, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31152835

Citation

Sun, Xiaoyan, and Jinhui Cheng. "Characterization of the Complete Mitochondrial Genome of Chinese Triops Granarius and Implications for Species Delimitation." International Journal of Biological Macromolecules, vol. 135, 2019, pp. 734-744.
Sun X, Cheng J. Characterization of the complete mitochondrial genome of Chinese Triops granarius and implications for species delimitation. Int J Biol Macromol. 2019;135:734-744.
Sun, X., & Cheng, J. (2019). Characterization of the complete mitochondrial genome of Chinese Triops granarius and implications for species delimitation. International Journal of Biological Macromolecules, 135, 734-744. https://doi.org/10.1016/j.ijbiomac.2019.05.208
Sun X, Cheng J. Characterization of the Complete Mitochondrial Genome of Chinese Triops Granarius and Implications for Species Delimitation. Int J Biol Macromol. 2019 Aug 15;135:734-744. PubMed PMID: 31152835.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Characterization of the complete mitochondrial genome of Chinese Triops granarius and implications for species delimitation. AU - Sun,Xiaoyan, AU - Cheng,Jinhui, Y1 - 2019/05/30/ PY - 2019/04/26/received PY - 2019/05/27/revised PY - 2019/05/28/accepted PY - 2019/6/4/pubmed PY - 2019/6/4/medline PY - 2019/6/2/entrez KW - Mitochondrial genome KW - Phylogeny KW - Triops granarius SP - 734 EP - 744 JF - International journal of biological macromolecules JO - Int. J. Biol. Macromol. VL - 135 N2 - The mt genome of T. granarius (15.121 bp), containing 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs) and one control region, present the typical pattern of phyllopod mt genomes from the perspective of gene content and order. All PCGs initiate with standard start codon of ATN and share the complete stop codon of TAA or TAG, whereas nd1 initiates with GTG, nd2 terminates with AGA and nd4 terminates with a single T. The secondary structures of rrnL and rrnS comprise of 48 helices and 32 helices, respectively. The patterns of evolutionary rate heterogeneity were observed at different levels in Triops. Phylogenetic analyses were performed based on the nucleotide sequences and amino acid sequences showed that Asian T. granarius was a sister group to (T. longicaudatus + T. australiensis), and T. cancriformis was the basal clade of Triops. Furthermore, we investigated the genetic diversity and phylogenetic relationships of different T. granarius s.l. populations. Ten phylogenetic lineages are separated on species level by mean maximum likelihood distance ≥ 12.2% in the cox1 gene. While the six populations occurring in Inner Mongolia of China, Mongolia and Russia, investigated for haplotypes belonged to the same haplotype networks. SN - 1879-0003 UR - https://www.unboundmedicine.com/medline/citation/31152835/Characterization_of_the_complete_mitochondrial_genome_of_Chinese_Triops_granarius_and_implications_for_species_delimitation_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0141-8130(19)33060-0 DB - PRIME DP - Unbound Medicine ER -