Dataset Information

Complete mitochondrial genome of the American bullfrog in Korea, Lithobates catesbeianus (Anura: Ranidae).

ABSTRACT: The complete mitochondrial (mt) genome of Lithobates catesbeianus was sequenced and characterized. The circular mt genome was constituted of of 37 genes (13 protein-coding genes, 22 transfer RNAs, and 2 ribosomal RNAs) and a non-coding region (NCR). Phylogenetic analysis based on the full mt genome sequences confirmed that among the genus Lithobates, L. catesbeianus Korea is included in a monophyletic group with L. catesbeianus China, but not with either L. catesbeianus Japan or L. catesbeianus Canada. This is the first completed mt genome from L. catesbeianus Korea, which provide data for further study of phylogeny in Lithobates spp. that have been introduced into a number of different countries originally from North America.

SUBMITTER: Moon JI

PROVIDER: S-EPMC7748749 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Publications

Complete mitochondrial genome of the American bullfrog in Korea, Lithobates catesbeianus (Anura: Ranidae).

Moon Jae-I JI Koo Kyo Soung KS Kang Hee-Jin HJ Park Hye-Rin HR Seong Ha-Cheol HC Lee Dong-Hyun DH

Mitochondrial DNA. Part B, Resources 20200120 1

The complete mitochondrial (mt) genome of Lithobates catesbeianus was sequenced and characterized. The circular mt genome was constituted of of 37 genes (13 protein-coding genes, 22 transfer RNAs, and 2 ribosomal RNAs) and a non-coding region (NCR). Phylogenetic analysis based on the full mt genome sequences confirmed that among the genus Lithobates, L. catesbeianus Korea is included in a monophyletic group with L. catesbeianus China, but not with either L. catesbeianus J ...[more]

PMID: 33366733

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Project description:The invasive American bullfrog (Lithobates catesbeianus) imperils freshwater biodiversity worldwide. Effective management hinges on early detection of incipient invasions and subsequent rapid response, as established populations are extremely difficult to eradicate. Although environmental DNA (eDNA) detection methods provide a highly sensitive alternative to conventional surveillance techniques, extensive testing is imperative to generate reliable output. Here, we tested and compared the performance of two primer/probe assays to detect and quantify the abundance of bullfrogs in Western Europe in silico and in situ using digital droplet PCR (ddPCR). Although both assays proved to be equally target-specific and sensitive, one outperformed the other in ddPCR detection resolution (i.e., distinguishing groups of target-positive and target-negative droplets), and hence was selected for further analyses. Mesocosm experiments revealed that tadpole abundance and biomass explained 99% of the variation in eDNA concentration. Because per individual eDNA emission rates did not differ significantly among tadpoles and juveniles, and adults mostly reside out of the water, eDNA concentration can be used as an approximation of local bullfrog abundance in natural populations. Seasonal eDNA patterns in three colonized ponds showed parallel fluctuations in bullfrog eDNA concentration. An increase in eDNA concentration was detected in spring, followed by a strong peak coinciding with the breeding season (August, September or October), and continuously low eDNA concentrations during winter. With this study, we report the validation process required for appropriately implementing eDNA barcoding analyses in lentic systems. We demonstrate that this technique can serve as a solid and reliable tool to detect the early stages of bullfrog invasions and to quantify temporal changes in abundance that will be useful in coordinating large-scale bullfrog eradication programs and evaluating their efficiency.

Dataset Information

Complete mitochondrial genome of the American bullfrog in Korea, Lithobates catesbeianus (Anura: Ranidae).

Publications

Complete mitochondrial genome of the American bullfrog in Korea, <i>Lithobates catesbeianus</i> (Anura: Ranidae).

Similar Datasets

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