Journal
CURRENT ISSUES IN MOLECULAR BIOLOGY
Volume 43, Issue 3, Pages 2048-2058Publisher
MDPI
DOI: 10.3390/cimb43030141
Keywords
genome size; Sebastiscus; microsatellite; phylogenetic analysis; genome survey sequencing
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This study conducted whole genome sequencing of Sebastiscus species, estimated genome sizes, and identified genetic relationships, providing important genomic resources for further research.
Sebastiscus species, marine rockfishes, are of essential economic value. However, the genomic data of this genus is lacking and incomplete. Here, whole genome sequencing of all species of Sebastiscus was conducted to provide fundamental genomic information. The genome sizes were estimated to be 802.49 Mb (S. albofasciatus), 786.79 Mb (S. tertius), and 776.00 Mb (S. marmoratus) by using k-mer analyses. The draft genome sequences were initially assembled, and genome-wide microsatellite motifs were identified. The heterozygosity, repeat ratios, and numbers of microsatellite motifs all suggested possibly that S. tertius is more closely related to S. albofasciatus than S. marmoratus at the genetic level. Moreover, the complete mitochondrial genome sequences were assembled from the whole genome data and the phylogenetic analyses genetically supported the validation of Sebastiscus species. This study provides an important genome resource for further studies of Sebastiscus species.
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