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Complete mitogenomic and phylogenetic characteristics of three parthenogenetic Artemia populations (Branchiopoda, Anostraca)

In: Crustaceana
Authors:
Xuekai Han Institute of Fisheries Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850002, P.R. China
Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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Rui Zhang Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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Xue Liu Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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Ke Li Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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Meirong Gao Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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Chi Zhang Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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Liying Sui Asian Regional Artemia Reference Center, Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin University of Science and Technology, 29 13th Avenue, Tianjin 300457, P.R. China

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https://orcid.org/0000-0001-7141-2203
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Abstract

In this study, the complete mitochondrial genomes of three parthenogenetic Artemia populations were sequenced and analysed. The results indicate that these three genomes are similar in length (15 633-15 639 bp). Furthermore, the organization and order of all three genomes are identical, including 13 protein-coding genes (PCGs), 22 tRNA genes and 2 rRNA genes, as well as a major non-coding region (CR), with high AT bias. Furthermore, both the genetic distance and the phylogenetic analysis showed that the genus Artemia constitutes a monophyletic group, and the parthenogenetic Artemia populations here studied show the closest relationship with Artemia urmiana. This study provides baseline information on Artemia mitogenomes for further research on the taxonomy and evolutionary genetics of the genus, and thereby contributes to the conservation of Artemia germplasm resources.

Résumé

Dans cette étude, les génomes mitochondriaux complets de trois populations parthénogénétiques d’ Artemia ont été séquencés et analysés. Les résultats indiquent que ces trois génomes sont similaires en longueur (15 633 bp-15 639 bp). Par ailleurs, l’organisation et l’ordre de ces trois génomes sont identiques, incluant 13 gènes codant pour des protéines (PCGs), 22 gènes tRNA et 2 gènes rRNA, ainsi qu’une importante région non-codante (CR), avec un biais AT élevé. De plus, la distance génétique et l’analyse phylogénétique montrent toutes les deux que le genre Artemia constitue un groupe monophylétique, et que les populations parthénogénétiques d’ Artemia étudiées ici présentent le lien de parenté le plus étroit avec Artemia urmiana. Cette étude fournit l’information de base sur les mitogénomes d’Artemia pour les recherches futures sur la taxonomie et la génétique évolutive du genre, et contribue ainsi à la conservation des ressources en germoplasme d’Artemia.

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