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Article
Open AccessMolecular phylogeny and genetic diversity of the economic seaweed Meristotheca (Gigartinales, Rhodophyta) in the northwest Pacific, with a description of M. pilulaora sp. nov
Species of the red algal genus Meristotheca are important natural resources that can be used directly as food for human consumption as well as raw materials for the extraction of carrageenan. Despite being harves...
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Article
Phase Shift in Vertical Distribution of Macroalgal Assemblages on Udo Islet, Jeju, Korea, After a Decade of Revisiting
We investigated seasonal macroalgal assemblages using virtual transect lines and 0.25 m−2 quadrats from the upper intertidal zone to subtidal 15 m depth during the period from May 2019 to February 2020 at Udo Isl...
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Article
Verification of hotspots of genetic diversity in Korean population of Grateloupia asiatica and G. jejuensis (Rhodophyta) show low genetic diversity and similar geographic distribution
Understanding the genetic diversity and distribution patterns of seaweeds species is crucial for evaluating key regions of high genetic diversity. Identifying hotspots of high intraspecific diversity is an imp...
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Article
Open AccessThe impact of the Xpert MTB/RIF screening among hospitalized patients with pneumonia on timely isolation of patients with pulmonary tuberculosis
In South Korea where the tuberculosis (TB) burden is intermediate, the risk of in-hospital transmission of TB remains high. We conducted a retrospective cohort study of 244 inpatients diagnosed with pulmonary ...
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Article
Genetic diversity and distribution pattern of economic seaweeds Pyropia yezoensis and Py. suborbiculata (Bangiales, Rhodophyta) in the northwest Pacific
Pyropia yezoensis and Py. suborbiculata have been traditionally important for marine aquaculture as food resources in the northwest Pacific region. We conducted molecular analyses using plastid rbcL and mitochond...
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Article
Genetic diversity hotspot of the amphi-Pacific macroalga Gloiopeltis furcata sensu lato (Gigartinales, Florideophyceae)
Genetic diversity patterns around the North Pacific received attention for marine organisms and have been used to infer biodiversity “hotspots” in the region. We conducted a phylogeographic study of the red alga
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Article
Open AccessCo-composting of chicken manure with organic wastes: characterization of gases emissions and compost quality
Co-composting of organic wastes is globally recognized to be effective method to dispose two or more wastes at once and minimize drawbacks of composting such as gases emissions and nutrient reduction. In this ...
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Article
Open AccessEffects of food waste compost on the shift of microbial community in water saturated and unsaturated soil condition
Despite the widespread use of food waste compost as a soil organic amendment, there is limited information on how it affects the composition of the microbial community as well as its relationship on soil envir...
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A Study on the Stability of Ultra-High Frequency Vocalization of Soprano Singers
Among the myriad of musical activities, singing, that is, playing with the human voice, has a longer history than any other instrument, and it still draws the attention of a large portion of the audience who l...
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Chapter
A Study on the Lie Detection of Telephone Voices Using Support Vector Machine
Human voices are one of the easiest ways to communicate information between humans. Voice characteristics may vary from person to person and include voice rate, genital form and function, pitch tone, language...
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Article
DNA barcoding reveals cryptic diversity of economic red algae, Pyropia (Bangiales, Rhodophyta): description of novel species from Korea
Red algal genus Pyropia that includes several commercially important species is distributed in wide regions of the world from cold temperate to tropical marine environments. Despite their practical utility, speci...
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Article
DNA barcoding of the funoran-producing red algal genus Gloiopeltis (Gigartinales) and description of a new species, Gloiopeltis frutex sp. nov.
The funoran-producing red macroalga, Gloiopeltis, is known for its commercial uses. Since the economic value of Gloiopeltis is species-dependent, accurate species identification using molecular analysis such as D...
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Article
Open AccessMiuraea migitae, a new record of the order Bangiales (Bangiophyceae, Rhodophyta) from Korea
We found specimens of foliose Bangiales from the subtidal zone of Udo, Jeju Island, Korea. In molecular analyses of rbcL sequences, these Korean specimens were almost identical to Miuraea migitae from Osaka, Japa...
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Article
Dynamics of bacterial communities in rice field soils as affected by different long-term fertilization practices
Fertilization and the response of the soil microbial community to the process significantly affect crop yield and the environment. In this study, the seasonal variation in the bacterial communities in rice fie...
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Article
Delimiting the species Neosiphonia yendoi (Rhodomelaceae, Rhodophyta) based on COI and rbcL genetic variation in Korea and Japan
Although the marine red algal genus Neosiphonia is well characterized, many species of Neosiphonia are poorly understood. To correctly define the species delimitation of Neosiphonia yendoi using genetic variation...
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Article
Molecular phylogeny of the genus Chondracanthus (Rhodophyta), focusing on the resurrection of C. okamurae and the description of C. cincinnus sp. nov.
Determining the taxonomic status of the red algal genus Chondracanthus based on morphological characters is challenging due to the similarity and high degree of plasticity of the thallus. Since the taxonomic hist...
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Article
Molecular analyses for identification of the Gracilariaceae (Rhodophyta) from the Asia–Pacific region
The family Gracilariaceae contains economically important seaweeds and is well known as a difficult group for the species identification due to its high species diversity and uncertainty of species limits. To ...
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Article
Taxonomy of Grateloupia (Halymeniales, Rhodophyta) by DNA barcode marker analysis and a description of Pachymeniopsis volvita sp. nov.
We applied DNA barcoding analysis to the red alga Grateloupia because it is one of the most complicated taxa in the family Halymeniaceae. We used two DNA barcoding markers, the 5′ end of the cytochrome c oxidase ...
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Article
Species delimitation in the green algal genus Codium (Bryopsidales) from Korea using DNA barcoding
Codium, one of the largest marine green algal genera, is difficult to delimit species boundary accurately based on morphological identification only. DNA barcoding is a powerful tool for discrimi...
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Article
Antioxidant and pro-oxidant activities of n-hexane extracts from vegetables and by-products of agricultural products in bulk oils at 60 and 140°C heating
n-Hexane extract antioxidant properties from broccoli, sesame leaves, tomatos, black beans, coriander, and peels of apples, red grapes, carrots, and sweet potatos were determined in corn oil heat...
