Abstract
The populations of loggerhead (Caretta caretta) and hawksbill (Eretmochelys imbricata) sea turtles are suffering an exponential decline due to anthropic and environmental actions that threaten their survival. In these turtle populations, the degree of heteroplasmic mutations commonly related with pathologies, has not been studied. In this data report, the specifications of each heteroplasmic site (region, mutation, length) and the percentage of heteroplasmy of each gene for four mitochondrial genomes of turtles (loggerhead: Cc1, Cc2, Cc3 and hawksbill: Ei1) are presented. The highest value of heteroplasmy in tRNA was of 83.33% for the Cc2 turtle (tRNASer gene), in protein coding genes was 38.62% for Cc2 (ND5), and in rRNA genes of 0.74% for Ei1 turtle (rRNA-16S). The variability data obtained will be useful for further conservation projects, evolution studies and population health of these species. This is the first study of heteroplasmy in complete mitogenomes of loggerhead and hawksbill turtles.
Highlights
The populations of loggerhead (Caretta caretta) and hawksbill (Eretmochelys imbricata) sea turtles are suffering an exponential decline due to anthropic and environmental actions that threaten their survival
The highest value of heteroplasmy in tRNA was of 83.33% for the Cc2 turtle, in protein coding genes was 38.62% for Cc2 (ND5), and in rRNA genes of 0.74% for Ei1 turtle
The variability data obtained will be useful for further conservation projects, evolution studies and population health of these species. This is the first study of heteroplasmy in complete mitogenomes of loggerhead and hawksbill turtles
Summary
Biology Molecular biology, bioinformatics Table, Text document (.fasta) Illumina Hiseq2000 Raw and Analyzed Blood samples of three living loggerhead turtles and one hawksbill turtle were collected for total RNA isolates. Data of heteroplasmic sites are supplied with this article. The complete sequences of mitochondrial genomes were deposited at the GenBank database under the accession number MF554690.1, MF579504.1, MF579505.1 and MF571906.1 https://www.ncbi.nlm.nih.gov/nuccore/MF579504.1 https://www.ncbi.nlm.nih.gov/nuccore/MF579505.1 https://www.ncbi.nlm.nih.gov/nuccore/MF571906.1 https://www.ncbi.nlm.nih.gov/nuccore/MF554690.1 M. Assessing mitochondrial heteroplasmy using generation sequencing: A note of caution. Value of the Data This is the first data report of heteroplasmy in complete mitochondrial genomes of loggerhead and hawksbills turtles. The data reported on the position and frequency of heteroplasmic mutations can be stored in databases and subsequently compared intra and interspecifically, allowing the genetic condition of organisms to be evaluated. The data may be relevant for researchers interested in mitochondrial mutations and their functional consequences in sea turtles. Genetic variability data may be relevant for researchers interested in the conservation, evolution, and population health of these species
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