Molecular Genetic Variation and Phylogenetic Relationships of Some Gastropod Species Using Cytochrome C Oxidase Subunit 1 Sequence | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 95, Volume 28, Issue 5, September and October 2024, Page 1629-1645 PDF (594.11 K) | ||||
| DOI: 10.21608/ejabf.2024.386988 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| Allam et al. | ||||
| Abstract | ||||
| The present study aimed to assess the genetic variation and phylogenetic relationships among six gastropod species using cytochrome c oxidase subunit 1 (CO1) sequences. The nucleotide lengths obtained from sequencing the mitochondrial CO1 gene varied from 633 to 658 bp. The partial CO1 sequences were submitted to GenBank with the following accession numbers: PQ216357.1 to PQ216362.1. The mean A+T content was 61.28%, exceeding the C+G content. Additionally, the mean content of pyrimidine (C+T) bases was 56.53%, which was higher than that of purines. Two approaches were used for phylogenetic reconstruction: Neighbor Joining and Minimum Evolution. Both methods indicated that the species of Neritimorpha were divided into two main clusters. One cluster contained four species: the understudied Nerita albicilla, Nerita sanguinolenta, as well as Nerita albicilla (EU253101.1) and Nerita sanguinolenta (EU732306.1) from GenBank/NCBI. The other cluster included the remaining species. Furthermore, the results demonstrated a close genetic relationship among the understudied Peronia verruculata and both Peronia verruculata (ON524819.1) and Peronia persiae (MK312167.1) from GenBank/NCBI. Additionally, the analyses revealed that Neritimorpha is a sister group to Heterobranchia. | ||||
| Keywords | ||||
| Caenogastropods; COI gene; DNA barcoding; Heterobranchia; Neritimorpha | ||||
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