Abstract
The genus Littoraria plays a significant role in the ecology of intertidal communities and is one of the very few molluscan groups that are closely associated with mangroves. To provide genomic resources for these species, we sequenced the complete mitochondrial genome of Littoraria ardouiniana (Heude, 1885) in this study. The results show that the complete mitogenome sequence of L. ardouiniana was circular and 16,261 bp in length, containing 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and 1 non-coding control region. The overall base composition of the mitogenome was 28.95% A, 34.32% T, 15.31% G, and 21.42% C, exhibiting negative AT-skew (–0.109) and GC-skew (–0.196). All PCGs are located on the heavy (H) strand and had a typical initiation codon ATG, and ended with TAA, except for nad2, which ended with T–. Phylogenetic analysis indicated that L. ardouiniana was closely related to Littoraria melanostoma, Littoraria intermedia, and Littoraria sinensis. This study first reported the complete mitochondrial genome of L. ardouiniana and provides valuable data for future molecular evolutionary and conservation studies of the genus Littoraria.
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Funding
This research was funded by National Natural Science Foundation of China (42176171); Natural Science Foundation of **amen, China (3502Z20227252); Global climate change and ocean atmosphere interaction research II (GASI-01-NPAC-STsum); Department of Science and Technology of Fujian Province, China (2023J011373/2019N0031).
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The study protocol was approved by the Ethics Committee of the Third Institute of Oceanography Ministry of Natural Resources. Protocol No. TIO189927 dated May 10, 2021.
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Wang, C., Chen, S., Chen, G. et al. The Complete Mitochondrial Genome of Littoraria ardouiniana (Heude, 1885) (Gastropoda, Littorininae): Sequence, Structure, and Phylogenetic Analyses. Russ J Genet 60, 100–108 (2024). https://doi.org/10.1134/S1022795424010113
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DOI: https://doi.org/10.1134/S1022795424010113