Characterization of the Mitochondrial Genome of Cambaroides schrenckii (Astacidea: Cambaridae) and Its Phylogenetic Implications
文献类型： 外文期刊
作者： Liu, Xuewei 1 ; Li, Ben 2 ; Yang, Yan 1 ; Zhang, Jun 3 ; Hu, Chunbo 4 ; Zhang, Yuxi 1 ; Zhou, Jiawang 1 ; Liu, Yinlong 1 ; Qiu, Hongyu 1 ; Wang, Chunren 1 ; Gao, Junfeng 1 ;
作者机构： 1.Heilongjiang Bayi Agr Univ, Coll Anim Sci & Vet Med, Key Lab Prevent & Control Zoonot Dis Daqing, Daqing 163319, Peoples R China
2.Anim Dis Prevent & Control Ctr Huanan Cty, Jiamusi 154400, Peoples R China
3.Heilongjiang Acad Agr Sci, Branch Anim Husb & Vet, Qiqihar 161005, Peoples R China
4.Longsha Zool & Bot Gardens, Qiqihar 161006, Peoples R China
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期刊名称：GENES （ 影响因子：2.8； 五年影响因子：3.2 ）
ISSN：
年卷期： 2024 年 15 卷 12 期
页码：
收录情况： SCI
摘要： Background: Cambaroides schrenckii is an endangered freshwater crayfish in China, belonging to the genus Cambaroides, that can act as a complementary host for paragonimus. The objective of this study was to examine the complete mitochondrial genome characteristics and their evolutionary relationships within the Astacidea. Methods: The analysis of gene rearrangements and evolutionary relationships was conducted through the sequencing of the mitochondrial genome of C. schrenckii. Results: C. schrenckii mitochondrial genome length was 15,572, comprising thirteen PCGs, two rRNAs, 22 tRNAs, and one d-loop region of C. schrenckii. The mitochondrial genome of C. schrenckii exhibits an A + T content of 69.61% and a G + C content of 30.39%. Among the thirteen PCGs, cytb, nad3, and nad6 have a start codon of ATT, while the other ten PCGs have ATC, ATA, and ATG start codons. All 22 tRNA genes displayed a typical cloverleaf secondary structure. Gene rearrangement analysis showed that seven gene arrangements were identified based on PCGs in the infraorder Astacidea, with type I being the most common. Conclusions: The relationship between the American Cambaridae is closer to Astacidae than the Asian Cambaridae. The present study provides a theoretical basis for further discussions of developmental relationships in the infraorder Astacidea.
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