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Article ; Online: Complete chloroplast sequence of common groundsel (

Kim, Jin-Won / Lee, In-Yong

Mitochondrial DNA. Part B, Resources

2019 Volume 4, Issue 2, Page(s) 3872–3873

Abstract: ... Senecio ... ...

Abstract	Senecio vulgaris
Language	English
Publishing date	2019-11-08
Publishing country	England
Document type	Journal Article
ISSN	2380-2359
ISSN (online)	2380-2359
DOI	10.1080/23802359.2019.1687352
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Morphological studies of fly puparia (Diptera: Calliphoridae) in the soil from a Joseon Dynasty grave in Korea.

Lee, In-Yong / Kim, Ju Yeong / Park, Jung-Min / Seo, Ji Ho / Jeon, Bo-Young / Yong, Tai-Soon / Seo, Min

Parasites, hosts and diseases

2023 Volume 61, Issue 4, Page(s) 471–475

Abstract: Archaeoentomological investigations were conducted on soil contents from a grave belonging to the Joseon Dynasty as part of the Urban Environment Maintenance Project (UEMP) in Cheongjin 12-16 dong (districts), Jongno-gu, Seoul, Korea, from December 01, ... ...

Abstract	Archaeoentomological investigations were conducted on soil contents from a grave belonging to the Joseon Dynasty as part of the Urban Environment Maintenance Project (UEMP) in Cheongjin 12-16 dong (districts), Jongno-gu, Seoul, Korea, from December 01, 2008 to February 19, 2011. A total of 28 insect puparia with hard shells of the common green bottle fly Lucilia sericata were identified in the soil. Evidence suggested that the corpse was placed outside for some days instead of being buried immediately after death. This is the first report of fly puparia in soil samples from a tomb of the Joseon Dynasty during 16-17 AD in Korea. Our findings may help determine the timeframe of burial and offer archaeological insights into the funerary customs of the period.
MeSH term(s)	Animals ; Diptera/anatomy & histology ; Calliphoridae ; Soil ; Korea ; Seoul
Chemical Substances	Soil
Language	English
Publishing date	2023-11-28
Publishing country	Korea (South)
Document type	Journal Article
ISSN	2982-6799
ISSN (online)	2982-6799
DOI	10.3347/PHD.23047
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Article ; Online: Prevalence of chigger mites and Orientia tsutsugamushi strains in northern regions of Gangwon-do, Korea.

Kim, Soojin / Lee, In Yong / Monoldorova, Sezim / Kim, Jiro / Seo, Jang Hoon / Yong, Tai-Soon / Jeon, Bo Young

Parasites, hosts and diseases

2023 Volume 61, Issue 3, Page(s) 263–271

Abstract: The present study aimed to survey the prevalence of chigger mites and Orientia tsutsugamushi (O. tsutsugamushi) infection in the northern regions of Gangwon-do, Korea. From early February to early June 2015, a total of 17,050 chiggers were collected from ...

Abstract	The present study aimed to survey the prevalence of chigger mites and Orientia tsutsugamushi (O. tsutsugamushi) infection in the northern regions of Gangwon-do, Korea. From early February to early June 2015, a total of 17,050 chiggers were collected from striped field mice, Apodemus agrarius, in Cheorwon-gun, Hwacheon-gun, Yanggu-gun, and Goseong-gun, which are well-known endemic areas of scrub typhus in Korea. The chiggers were analyzed using molecular genomic methods, as previously described. Among the 7,964 identified chiggers, the predominant species was Leptotrombidium pallidum (76.9%), followed by L. zetum (16.4%), L. orientale (4.3%), L. palpale (0.3%), L. tectum (0.2%), and Neotrombicula tamiyai (1.8%). The chigger index (CI) was highest in Hwacheon (115.58), followed by Cheorwon (97.02), Yanggu (76.88), and Goseong (54.68). Out of the 79 O. tsutsugamushi-positive chigger pools, 67 (84.8%) were identified as the Boryong strain, 10 (12.7%) as the Youngworl strain, and only 2 were the Jecheon strain. Based on the high infestation of chiggers in striped field rodents and the high rate of O. tsutsugamushi infection in chigger mites, Hwacheon-gun and Cheorwon-gun are presumed to be high-risk areas for scrub typhus. Furthermore, L. pallidum, a major vector of scrub typhus, and the dominant O. tsutsugamushi serotype, the Boryong strain, were found in the northern regions of Gangwon-do, Korea.
MeSH term(s)	Animals ; Orientia tsutsugamushi/genetics ; Trombiculidae ; Scrub Typhus/epidemiology ; Prevalence ; Mite Infestations/epidemiology ; Murinae ; Republic of Korea/epidemiology
Language	English
Publishing date	2023-08-21
Publishing country	Korea (South)
Document type	Journal Article
ISSN	2982-6799
ISSN (online)	2982-6799
DOI	10.3347/PHD.22148
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Article ; Online: Molecular Detection of Toxoplasma Gondii in Haemaphysalis Ticks in Korea.

Kim, Ju Yeong / Kwak, You Shine / Lee, In-Yong / Yong, Tai-Soon

The Korean journal of parasitology

2020 Volume 58, Issue 3, Page(s) 327–331

Abstract: Toxoplasma gondii are intracellular protozoa that can cause neurological disease or death in fetuses and even in immunocompromised human adults. Ticks are recognized as vectors of many microorganisms including viruses, bacteria, and protozoa. Recent ... ...

Abstract	Toxoplasma gondii are intracellular protozoa that can cause neurological disease or death in fetuses and even in immunocompromised human adults. Ticks are recognized as vectors of many microorganisms including viruses, bacteria, and protozoa. Recent studies detected T. gondii in various tick species in many countries. In this study, we performed PCR detection of the T. gondii B1 gene from Haemaphysalis ticks collected from vegetation in 4 localities, Wonju, Gunsan, Miryang, and Yangsan, in Korea. We analyzed DNA from 314 ticks (268 Haemaphysalis longicornis and 46 Haemaphysalis flava) and the B1 gene of T. gondii was detected in 13 of these. The detection of T. gondii in ticks differed significantly by region (P=0.021). T. gondii was detected in the following percentages of collected ticks: 3.7% (7 of 189) in Gunsan, 10% (5 of 50) in Wonju, 16.7% (1 of 6) in Yangsan, and 0% (0 of 69) in Miryang. The detection of T. gondii in ticks was not associated with tick species or development stage. This is the first report of T. gondii detection in ticks in Korea. Our results provide important information necessary to understand toxoplasmosis transmission.
MeSH term(s)	Animals ; Arachnid Vectors ; Polymerase Chain Reaction ; Republic of Korea ; Ticks/parasitology ; Toxoplasma/genetics ; Toxoplasma/isolation & purification ; Toxoplasmosis/transmission
Language	English
Publishing date	2020-06-26
Publishing country	Korea (South)
Document type	Journal Article
ZDB-ID	286875-1
ISSN	1738-0006 ; 0023-4001
ISSN (online)	1738-0006
ISSN	0023-4001
DOI	10.3347/kjp.2020.58.3.327
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Article ; Online: Reduced production of the major allergens Bla g 1 and Bla g 2 in Blattella germanica after antibiotic treatment.

Lee, Seogwon / Kim, Ju Yeong / Yi, Myung-Hee / Lee, In-Yong / Yong, Dongeun / Yong, Tai-Soon

PloS one

2021 Volume 16, Issue 11, Page(s) e0257114

Abstract: Purpose: Allergens present in the feces or frass of cockroaches can cause allergic sensitization in humans. The use of fecal and frass extracts for immunotherapy has been previously investigated but has not yet been fully standardized. Here, we treated ... ...

Abstract	Purpose: Allergens present in the feces or frass of cockroaches can cause allergic sensitization in humans. The use of fecal and frass extracts for immunotherapy has been previously investigated but has not yet been fully standardized. Here, we treated cockroaches with ampicillin to produce extracts with reduced amounts of total bacteria. Methods: We performed targeted high-throughput sequencing of 16S rDNA to compare the microbiomes of ampicillin-treated and untreated (control) cockroaches. RNA-seq was performed to identify differentially expressed genes (DEGs) in ampicillin-treated cockroaches. Results: Analysis of the microbiome revealed that alpha diversity was lower in the ampicillin-treated group than in the control group. Beta diversity analysis indicated that ampicillin treatment altered bacterial composition in the microbiome of cockroaches. Quantitative polymerase chain reaction revealed that almost all bacteria were removed from ampicillin-treated cockroaches. RNA-seq analysis revealed 1,236 DEGs in ampicillin-treated cockroaches (compared to untreated cockroaches). Unlike bacterial composition, the DEGs varied between the two groups. Among major allergens, the expression of Bla g 2 decreased significantly in ampicillin-treated cockroaches (compared to untreated group). Conclusions: In this study, the reduced level of allergens observed in cockroaches may be related to lower amounts of total bacteria caused by treatment with antibiotics. It is possible to make a protein extract with few bacteria for use in immunotherapy.
MeSH term(s)	Allergens/isolation & purification ; Ampicillin/pharmacology ; Animals ; Anti-Bacterial Agents/pharmacology ; Aspartic Acid Endopeptidases/isolation & purification ; Cockroaches/drug effects ; Cockroaches/microbiology ; Microbiota/drug effects
Chemical Substances	Allergens ; Anti-Bacterial Agents ; allergen Bla g 1 ; Ampicillin (7C782967RD) ; Aspartic Acid Endopeptidases (EC 3.4.23.-) ; allergen Bla g 2 (EC 3.4.23.-)
Language	English
Publishing date	2021-11-23
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1932-6203
ISSN (online)	1932-6203
DOI	10.1371/journal.pone.0257114
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Article ; Online: The microbiota in feces of domestic pigeons in Seoul, Korea

Oh, Singeun / Park, Shin Hye / Choi, Jun Ho / Kim, Soo Lim / Kim, Myungjun / Lee, Seogwon / Yi, Myung-hee / Lee, In-Yong / Yong, Tai-Soon / Kim, Ju Yeong

Heliyon. 20232023 Apr. 30, Mar. 30, v. 9, no. 4 p.e14997-

2023

Abstract: In Korea, feral pigeons pose significant public health risks because they carry various zoonotic pathogens. Human population density is a significant factor in zoonotic disease events. Seoul is one of the largest cities by population density among ... ...

Abstract	In Korea, feral pigeons pose significant public health risks because they carry various zoonotic pathogens. Human population density is a significant factor in zoonotic disease events. Seoul is one of the largest cities by population density among developed countries and where most of the homeless population in Korea exists. We designed this study to compare the microbiota of pigeon feces by regional characteristics and the presence of homeless individuals. Therefore, this study used 16S rRNA amplicon sequencing to detect possible pathogenic microbes and assess the current risk of zoonosis in Seoul, South Korea. Pigeon fecal samples (n = 144) obtained from 19 public sites (86 and 58 fecal samples from regions in and outside Seoul, respectively) were examined. Potentially pathogenic bacteria were also detected in the fecal samples; Campylobacter spp. was found in 19 samples from 13 regions, Listeriaceae was found in seven samples, and Chlamydia spp. was found in three samples from two regions. Principal coordinates analysis and permutational multivariate analysis of variance revealed a significant difference in bacterial composition between the regions in Seoul (n = 86) and outside Seoul (n = 58) and between the regions with (n = 81) and without (n = 63) homeless individuals. Overall, this study identified various potentially pathogenic microorganisms in pigeon feces at public sites in South Korea. Moreover, this study demonstrates that the microbial composition was influenced by regional characteristics and homelessness. Taken together, this study provides important information for public health strategic planning and disease control.
Keywords	Campylobacter ; Chlamydia ; Listeriaceae ; disease control ; feces ; human population ; microorganisms ; multivariate analysis ; pigeons ; population density ; public health ; risk ; zoonoses ; South Korea ; Homeless ; Microbiota ; Pigeon ; Pathogen ; Seoul
Language	English
Dates of publication	2023-0330
Publishing place	Elsevier Ltd
Document type	Article ; Online
Note	Use and reproduction
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2023.e14997
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Core/Sheath-Structured Composite Nanofibers Containing Cinnamon Oil: Their Antibacterial and Antifungal Properties and Acaricidal Effect against House Dust Mites.

Jung, Yoonwon / Yang, Hyukjoo / Lee, In-Yong / Yong, Tai-Soon / Lee, Seungsin

Polymers

2020 Volume 12, Issue 1

Abstract: This study aimed to fabricate core/sheath-structured composite nanofibers containing cinnamon oil by emulsion electrospinning and to investigate their acaricidal effect on house dust mites as well as their antibacterial and antifungal properties in ... ...

Abstract	This study aimed to fabricate core/sheath-structured composite nanofibers containing cinnamon oil by emulsion electrospinning and to investigate their acaricidal effect on house dust mites as well as their antibacterial and antifungal properties in relation to cinnamon oil concentration in the nanofibers. An oil-in-water emulsion, which comprised cinnamon oil and poly(vinyl alcohol) solution as oil and water phases, respectively, was used to prepare core/sheath-structured nanofibers. The morphology and the inner structure of the electrospun nanofibers were observed by scanning electron microscopy and confocal laser scanning microscopy. Core/sheath-structured nanofibers containing cinnamon oil were successfully prepared by emulsion electrospinning. The composite nanofibers prepared from an emulsion containing 20 wt% of cinnamon oil exhibited a strong acaricidal effect against house dust mites (
Language	English
Publishing date	2020-01-20
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2527146-5
ISSN	2073-4360 ; 2073-4360
ISSN (online)	2073-4360
ISSN	2073-4360
DOI	10.3390/polym12010243
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Article: The microbiota in feces of domestic pigeons in Seoul, Korea.

Oh, Singeun / Park, Shin Hye / Choi, Jun Ho / Kim, Soo Lim / Kim, Myungjun / Lee, Seogwon / Yi, Myung-Hee / Lee, In-Yong / Yong, Tai-Soon / Kim, Ju Yeong

Heliyon

2023 Volume 9, Issue 4, Page(s) e14997

Abstract	In Korea, feral pigeons pose significant public health risks because they carry various zoonotic pathogens. Human population density is a significant factor in zoonotic disease events. Seoul is one of the largest cities by population density among developed countries and where most of the homeless population in Korea exists. We designed this study to compare the microbiota of pigeon feces by regional characteristics and the presence of homeless individuals. Therefore, this study used 16S rRNA amplicon sequencing to detect possible pathogenic microbes and assess the current risk of zoonosis in Seoul, South Korea. Pigeon fecal samples (n = 144) obtained from 19 public sites (86 and 58 fecal samples from regions in and outside Seoul, respectively) were examined. Potentially pathogenic bacteria were also detected in the fecal samples;
Language	English
Publishing date	2023-03-30
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2023.e14997
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Article ; Online: Microbiome of Haemaphysalis longicornis Tick in Korea.

Kim, Myungjun / Kim, Ju Yeong / Yi, Myung-Hee / Lee, In-Yong / Yong, Dongeun / Jeon, Bo-Young / Yong, Tai-Soon

The Korean journal of parasitology

2021 Volume 59, Issue 5, Page(s) 489–496

Abstract: Ticks can transmit pathogenic bacteria, protozoa, and viruses to humans and animals. In this study, we investigated the microbiomes of Haemaphysalis longicornis according to sex and life stages. The Shannon index was significantly higher for nymphs than ... ...

Abstract	Ticks can transmit pathogenic bacteria, protozoa, and viruses to humans and animals. In this study, we investigated the microbiomes of Haemaphysalis longicornis according to sex and life stages. The Shannon index was significantly higher for nymphs than adult ticks. Principal coordinates analysis showed that the microbiome composition of female adult and male adult ticks were different. Notably, Coxiella-like bacterium (AB001519), known as a tick symbiont, was found in all nymphs and female adult ticks, but only one out of 4 male adult ticks had Coxiella-like bacterium (AB001519). In addition, Rickettsia rickettsii, Coxiella burnetii, and Anaplasma bovis were detected in this study.
MeSH term(s)	Anaplasma ; Animals ; Female ; Humans ; Ixodidae ; Male ; Microbiota ; Republic of Korea ; Rickettsia ; Ticks
Language	English
Publishing date	2021-10-22
Publishing country	Korea (South)
Document type	Journal Article
ZDB-ID	286875-1
ISSN	1738-0006 ; 0023-4001
ISSN (online)	1738-0006
ISSN	0023-4001
DOI	10.3347/kjp.2021.59.5.489
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Zs.A 3476: Show issues

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ab Jg. 2022: Lesesaal (EG)

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Article ; Online: Microbiome and mycobiome interaction in house dust mites and impact on airway cells.

Kim, Ju Yeong / Yi, Myung-Hee / Lee, Seogwon / Lee, In-Yong / Yong, Dongeun / Yoon, Sang Sun / Yong, Tai-Soon

Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology

2021 Volume 51, Issue 12, Page(s) 1592–1602

Abstract: Background: Major allergen sources Dermatophagoides farinae, Dermatophagoides pteronyssinus and Tyrophagus putrescentiae have been reported to have distinct microbiomes. The purpose of this study was to investigate the effect of each mite on airway ... ...

Abstract	Background: Major allergen sources Dermatophagoides farinae, Dermatophagoides pteronyssinus and Tyrophagus putrescentiae have been reported to have distinct microbiomes. The purpose of this study was to investigate the effect of each mite on airway epithelial cells as a model of airway allergic disease. Methods: Transcriptomic analysis (RNA-seq) of an airway epithelial cell line (BEAS-2B) was performed to compare gene expression patterns after treatment with extracts of three mite species (D. farinae, D. pteronyssinus and T. putrescentiae). In addition, mycobiome deep sequencing of mites was employed to identify fungal species that interact with the microbiomes of the mites. Results: Immune responses to bacteria were enriched only in the D. farinae-treated group as this species harboured larger numbers of bacteria than the other mites, and the high level of LPS in D. farinae caused proinflammatory cytokine production in airway epithelial cells. In addition, antibiotic metabolism pathways were enriched in D. pteronyssinus-treated cells but not in D. farinae -treated cells. Subsequent experiments revealed that D. pteronyssinus had a high fungal load that inhibited bacterial survival in this mite species. Conclusion: The large amount of bacteria in D. farinae causes airway epithelial cells to produce more allergy-related cytokines than D. pteronyssinus, since fungi present in D. pteronyssinus suppress the abundance of mite-associated bacteria.
MeSH term(s)	Allergens ; Animals ; Dust ; Humans ; Hypersensitivity ; Microbiota ; Mites ; Mycobiome ; Pyroglyphidae
Chemical Substances	Allergens ; Dust
Language	English
Publishing date	2021-07-12
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	645204-8
ISSN	1365-2222 ; 0954-7894 ; 0960-2178
ISSN (online)	1365-2222
ISSN	0954-7894 ; 0960-2178
DOI	10.1111/cea.13962
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