Improving Active Collaborative Clinical Learning Through a Mobile Application for Undergraduate Nursing Students.

Innovative teaching and learning strategies in pediatric clinical education are needed to ensure that learning outcomes are achieved efficiently and to improve students' satisfaction with the learning process. We developed a mobile application to enhance the clinical learning of nursing students during pediatric clinical practice and explored the participants' perceptions of the learning method. A mixed-method design and an online survey were used to assess participants' perceived achievement of learning objectives and satisfaction with the clinical practicum.

sp. nov., isolated from the faeces of an Oriental stork.

A novel, Gram-stain-positive, non-spore-forming, facultatively anaerobic bacterium, designated strain H21T32, was isolated from the faeces of an Oriental stork, . Cells formed cocci grouped in pairs, tetrads or conglomerates, and colonies on solid medium were pale yellow. Strain H21T32 belonged to the genus , family , order and class .

sp. nov., isolated from the intestinal tract of a Korean indigenous freshwater fish, .

A novel Gram-negative, obligately aerobic, rod-shaped and non-motile bacterium, designated strain K13M18, was isolated from the intestinal tract of a Korean indigenous fish, oily bitterling (). Strain K13M18 formed creamy-pink colonies on a marine agar plate. Results of phylogenetic analysis based on the 16S rRNA gene sequence similarity indicated that strain K13M18 was most closely related to DRYC-M-16, sharing 97.

Factors Associated With Using Contraception Among Sexually Active Adolescents in Monocultural and Multicultural Families.

The purposes of this study were to compare the use of contraception by monocultural and multicultural adolescents and identify the multidimensional factors in an ecological model. This study was cross-sectional design with a secondary data analysis using national data from the 2018 Korea Youth Risk Behavior Survey, including 3,031 participants (81 multicultural and 2,950 monocultural adolescents with sexual activity). The monocultural adolescents reported significantly higher rates of contraceptive use (61.

sp. nov., isolated from the gut of the Korean scallop, .

A novel Gram-stain-negative, aerobic, rod-shaped, reddish-orange-coloured, gliding bacterial strain, designated L12M1, was isolated from the gut of the Korean scallop, . Phylogenetic analysis based on 16S rRNA gene sequence revealed that strain L12M1 formed a monophyletic clade with the strains in the genus and showed highest 16S rRNA gene sequence similarity to YS10 (98.66 %).

sp. nov., isolated from Korean shiner intestine.

A novel Gram-stain-negative, non-spore-forming, obligate aerobic, motile, rod-shaped, and flagellated bacterium, designated S11R28, was isolated from the intestinal tract of a Korean shiner, . Based on 16S rRNA gene sequences, strain S11R28 was identified as member of the genus in class , and was closely related to DSM 23061 (98.49 %).

Cupriavidus sp. strain Ni-2 resistant to high concentration of nickel and its genes responsible for the tolerance by genome comparison.

The widespread use of metals influenced many researchers to examine the relationship between heavy metal toxicity and bacterial resistance. In this study, we have inoculated heavy metal-contaminated soil from Janghang region of South Korea in the nickel-containing media (20 mM Ni) for the enrichment. Among dozens of the colonies acquired from the several transfers and serial dilutions with the same concentrations of Ni, the strain Ni-2 was chosen for further studies.

sp. nov., a bacterium isolated from feces of oriental stork, .

A novel Gram-stain-negative, facultatively anaerobic, non-motile, non-violet-pigmented, rod-shaped bacterium, designated strain H11R3, was isolated from the feces of Oriental stork, , collected from Seoul Grand Park Zoo, Republic of Korea. Phylogenetic analysis of the 16S rRNA gene sequence revealed that H11R3 formed a monophyletic clade with DSM 3764, DSM 100243, and DSM 103822, with sequence similarities of 98.8, 98.

Arthrobacter dokdonellae sp. nov., isolated from a plant of the genus Campanula.

A Gram-stain-positive, oxidase- and catalase-positive motile, aerobic, and rod-shaped bacterial strain, designated as DCT-5, was isolated from a native plant belonging to the genus Campanula at Dokdo island, Republic of Korea. Growth of the strain DCT-5 was observed at 15-37°C (optimum 30°C) on R2A broth, pH 6.0-8.

Rhizocompartments and environmental factors affect microbial composition and variation in native plants.

Molecular analysis based on large-scale sequencing of the plant microbiota has revealed complex relationships between plants and microbial communities, and environmental factors such as soil type can influence these relationships. However, most studies on root-associated microbial communities have focused on model plants such as Arabidopsis, rice or crops. Herein, we examined the microbiota of rhizocompartments of two native plants, Sedum takesimense Nakai and Campanula takesimana Nakai, using archaeal and bacterial 16S rRNA gene amplicon profiling, and assessed relationships between environmental factors and microbial community composition.

Paraburkholderia dokdonella sp. nov., isolated from a plant from the genus Campanula.

The novel Gram-stain-negative, rod-shaped, aerobic bacterial strain DCR-13 was isolated from a native plant belonging to the genus Campanula on Dokdo, an island in the Republic of Korea. Comparative analysis of the 16S rRNA gene sequence indicated that this strain is closely related to Paraburkholderia peleae PP52-1 (98.43% 16S rRNA gene sequence similarity), Paraburkholderia oxyphila NBRC 105797 (98.

Paenibacillus seodonensis sp. nov., isolated from a plant of the genus Campanula.

Strain DCT-19, representing a Gram-stain-positive, rodshaped, aerobic bacterium, was isolated from a native plant belonging to the genus Campanula on Dokdo, the Republic of Korea. Comparative analysis of the 16S rRNA gene sequence showed that this strain was closely related to Paenibacillus amylolyticus NRRL NRS-290 (98.6%, 16S rRNA gene sequence similarity), Paenibacillus tundrae A10b (98.

Deinococcus irradiatisoli sp. nov., isolated from gamma ray-irradiated soil.

Strain 17bor-2, a gamma-resistant, pink-to-red-coloured, aerobic, catalase-positive, oxidase-negative and Gram-stain-negative bacterium, was isolated from gamma ray-irradiated soil. The isolate grew aerobically at 18-37 °C (optimum, 28-30 °C), pH 6.0-8.

Brevibacterium hankyongi sp. nov., isolated from compost.

A Gram-positive, strictly aerobic, non-motile, milky-white to creamy coloured and rod-shaped bacterium, designated BS05, was isolated from compost. Phylogenetic analysis based on 16S rRNA gene sequence comparison revealed that the strain formed a distinct lineage within the genus Brevibacterium and was most closely related to Brevibacterium avium NCFB 3055 (96.3 %), Brevibacterium oceani BBH7 (96.

Roseomonas radiodurans sp. nov., a gamma-radiation-resistant bacterium isolated from gamma ray-irradiated soil.

A bacterial strain, designated 17Sr1-1, was isolated from gamma ray-irradiated soil. Cells of this strain were Gram-stain-negative, strictly aerobic, motile and non-spore-forming rods. Growth occurred at 18-42 ˚C and pH 6.

Paenibacillus albilobatus sp. nov., isolated from acidic soil on Jeju Island.

A rod-shaped, white color colony with lobate architectures, strain h2 was isolated from a moderately acidic soil on Jeju Island, Republic of Korea. Comparative analysis of the 16S rRNA gene sequence showed that the strain h2 is closely related to Paenibacillus relictisesami DSM 25385 (97.4%, 16S rRNA gene sequence similarity), Paenibacillus azoreducens KACC 11244 (97.

Adhaeribacter swui sp. nov., isolated from wet mud.

Strain 17mud1-7, a pink, aerobic, catalase-positive, oxidase-positive and Gram-reaction-negative bacterium, was isolated from wet mud. The isolate grew aerobically at 18-37 °C (optimum 28 °C), at pH 6.0-8.

KSHV vPK inhibits Wnt signaling via preventing interactions between β-catenin and TCF4.

Viral factors interact with host cellular proteins, leading to dysregulation of signaling pathways. The Wnt pathway is known to participate in embryonic development and oncogenesis under dysregulation conditions. A downstream factor of the Wnt signaling pathway, β-catenin, activates T-cell factor (TCF)-dependent transcription, which contributes to cell proliferation and tumorigenesis.

Distribution, Characterization, and Diversity of the Endophytic Fungal Communities on Korean Seacoasts Showing Contrasting Geographic Conditions.

This study analyzed the distribution of endophytic fungi in 3 coastal environments with different climatic, geographical, and geological characteristics: the volcanic islands of Dokdo, the East Sea, and the West Sea of Korea. The isolated fungal endophytes were characterized and analyzed with respect to the characteristics of their host environments. For this purpose, we selected common native coastal halophyte communities from three regions.

Physiological and genomic insights into the lifestyle of arsenite-oxidizing Herminiimonas arsenitoxidans.

Arsenic, a representative toxic metalloid, is responsible for serious global health problems. Most organisms possess arsenic resistance strategies to mitigate this toxicity. Here, we reported a microorganism, strain AS8, from heavy metal/metalloid-contaminated soil that is able to oxidize arsenite, and investigated its physiological and genomic traits.

Evolutionary, computational, and biochemical studies of the salicylaldehyde dehydrogenases in the naphthalene degradation pathway.

Salicylaldehyde (SAL) dehydrogenase (SALD) is responsible for the oxidation of SAL to salicylate using nicotinamide adenine dinucleotide (NAD) as a cofactor in the naphthalene degradation pathway. We report the use of a protein sequence similarity network to make functional inferences about SALDs. Network and phylogenetic analyses indicated that SALDs and the homologues are present in bacteria and fungi.

Sphingomonas aquatica sp. nov., isolated from tap water.

A Gram-stain-negative, strictly aerobic, rod-shaped bacterium, designated W1-2-1T, was isolated from tap water in South Korea. The strain was characterized by a polyphasic approach to clarify its taxonomic position. Strain W1-2-1T grew at 18-42 °C and at pH 6.

Deinococcus persicinus sp. nov., a radiation-resistant bacterium from soil.

Two Gram-stain-negative, oxidase-negative, catalase-positive, aerobic and coccus-shaped bacterial strains, KSY3-6T and JSH6-18, were isolated from soil in South Korea. Strains KSY3-6T and JSH6-18 showed high resistance to gamma-ray and UVC irradiation. The 16S rRNA gene sequences of strains KSY3-6T and JSH6-18 showed a novel subline within the genus Deinococcus in the family Deinococcaceae.

Flavisolibacter tropicus sp. nov., isolated from tropical soil.

A Gram-stain-negative, non-motile, deep yellow, rod-shaped bacterium, designated strain LCS9T, was isolated from a soil sample at the tropical zone within the Ecorium of the National Institute of Ecology in Seocheon, central-western Korea. 16S rRNA gene sequence analysis showed that strain LCS9T clustered with members of the genus Flavisolibacter of the family Chitinophagaceae, phylum Bacteroidetes. Sequence similarities between strain LCS9T and the type strains of the genus Flavisolibacter ranged from 94.

Hymenobacter sedentarius sp. nov., isolated from a soil.

A novel Gram-negative and red-pinkish bacterium designated DG5B(T) was isolated from a dry soil. Cells were rods that were catalase- and oxidase-positive, and non-motile. The strain was found to grow at temperatures from 10 to 30°C (optimum 25°C) and pH 6.