Dataset Information

First Report of Six Macrofungi from Daecheongdo and Socheongdo Islands, Korea.

ABSTRACT: Daecheongdo and Socheongdo Islands are located in the West Sea of Korea, 210 km away from land, and are military border areas very close to North Korea, making them difficult to access. Although the ecosystem of the islands is relatively well preserved due to the lack of accessibility, research on fungi of the regions is insufficient. Therefore, we aimed to investigate indigenous fungi in these geographically and geopolitically constrained regions. A survey of the indigenous fungal diversity of the islands was conducted in 2018. All specimens were identified at the species level based on morphological and molecular analyses. Among them, six macrofungi-namely, Agaricus menieri, Crepidotus praecipuus, Dichomitus squalens, Hortiboletus amygdalinus, Melanoleuca friesii, and Trametes lactinea-were not previously reported in Korea. Considering that the proportion of unrecorded species is high in the survey area and period as well as the number of samples collected, similar research on adjacent islands may be necessary.

SUBMITTER: Kim M

PROVIDER: S-EPMC8583917 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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First Report of Six Macrofungi from Daecheongdo and Socheongdo Islands, Korea.

Kim Minkyeong M Lee Jin Sung JS Park Jae Young JY Kim Changmu C

Mycobiology 20210925 5

Daecheongdo and Socheongdo Islands are located in the West Sea of Korea, 210 km away from land, and are military border areas very close to North Korea, making them difficult to access. Although the ecosystem of the islands is relatively well preserved due to the lack of accessibility, research on fungi of the regions is insufficient. Therefore, we aimed to investigate indigenous fungi in these geographically and geopolitically constrained regions. A survey of the indigenous fungal diversity of ...[more]

PMID: 34803433

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Project description:BackgroundThe marine gastropod mollusc Nassarius sinarum has attracted attention due to its status as a potential invasive species and the ecological impact it may have on local environments and the fishing industry. It was observed exclusively within China initially, but its distribution now seems to have expanded into Japan and Korea. Accurate identification of N. sinarum, particularly in its juvenile stage, is vital for understanding its ecological influences and distribution patterns.New informationThis study represents the first comprehensive analysis of N. sinarum samples from Korea. It includes morphological examination, scanning electron microscopy images and molecular sequencing. Two live specimens were collected from the Yeongsan River estuary in Korea and their morphological features were analysed and compared to those of samples from China and Japan. The samples' species were confirmed by molecular identification, based on cytochrome c oxidase subunit I (COI) and histone H3 (H3) genetic markers.It was observed that juvenile N. sinarum shells lack key species-characteristic morphological traits, such as a thick outer lip and diminishing axial ribs. However, COI marker-based molecular identification affirmed that these Korean specimens were N. sinarum. The H3 region was registered with the National Center for Biotechnology Information (NCBI) for the first time. Phylogenetic analysis of the H3 region did not resolve species distinctions within the Nassarius, suggesting that the H3 marker is not suitable for species identification within this genus. In this context, multiple genetic markers, when used appropriately, can also be applied to genus-level searches, enhancing species identification accuracy and reducing misidentification.The sequences provided in this study can serve as a valuable reference for future DNA barcoding research. Additional samples and surveys should be conducted through collaborative efforts amongst national and institutional organisations to further clarify the ecological status of N. sinarum and to investigate its distribution and potential impact around East Asia. Finally, a new Korean name, (No-lan-jul-job-ssal-mu-nui-go-dung; 노란줄좁쌀무늬고둥) has been proposed for N. sinarum.

Dataset Information

First Report of Six Macrofungi from Daecheongdo and Socheongdo Islands, Korea.

Publications

First Report of Six Macrofungi from Daecheongdo and Socheongdo Islands, Korea.

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