http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
FTFD: an informatics pipeline supporting phylogenomic analysis of fungal transcription factors.
Park, Jongsun,Park, Jaejin,Jang, Suwang,Kim, Seryun,Kong, Sunghyung,Choi, Jaeyoung,Ahn, Kyohun,Kim, Juhyeon,Lee, Seungmin,Kim, Sunggon,Park, Bongsoo,Jung, Kyongyong,Kim, Soonok,Kang, Seogchan,Lee, Yon Oxford University Press 2008 Bioinformatics Vol.24 No.7
<P>Genomes of more than 60 fungal species have been sequenced to date, yet there has been no systematic approach to analyze fungal transcription factors (TFs) kingdom widely. We developed a standardized pipeline for annotating TFs in fungal genomes. Resulting data have been archived in a new database termed the Fungal Transcription Factor Database (FTFD). In FTFD, 31,832 putative fungal TFs, identified from 62 fungal and 3 Oomycete species, were classified into 61 families and phylogenetically analyzed. The FTFD will serve as a community resource supporting comparative analyses of the distribution and domain structure of TFs within and across species.</P>
Jaejin Park,Il-Hoon Kim,Min-Woo Park,Il-Kook Park,Jongsun Kim,Daesik Park 한국양서ㆍ파충류학회 2024 한국양서·파충류학회 학술대회 Vol.2024 No.07
Korea is located at the edge of the distribution range of most marine reptiles, so the population density is very low across species. In addition, there are no nesting sites, making the application of various research methods limited and inefficient. To overcome these limitations, we have developed environmental DNA (eDNA) markers for the three most common marine reptiles in Korea (loggerhead turtle, green turtle, and Chinese sea snake), and performed pilot monitoring. The development of species-specific markers was sequentially conducted through program-based marker development and various validation processes using tissue DNA, aquarium eDNA, and foreign marine eDNA. The developed markers were applied for monitoring at 10 (loggerhead turtles), 17 (green turtles) and 10 (Chinese sea snake) sites in the Korea. The three sets of species-specific eDNA markers (Crcr29, Chmy11, Lase_cytb_10) were successfully developed and verified. In the monitoring application of loggerhead turtle marker in 2023, eDNA was detected from two sites in Jeju. Green turtle eDNA was detected from seven sites. . The Chinese sea snake eDNA was detected from six sites and the detection frequency was the highest in November. Considering that monitoring of Korean marine reptiles has been conducted only through passive methods (i.e. sampling bycatch, stranded, or dead individuals) to date, our developed eDNA markers and monitoring methods provide active study methods and can be a very useful in future survey and related research of marine reptiles.
Min-Woo Park,Jaejin Park,Il-Kook Park,Jongsun Kim,Il-Hun Kim,Daesik Park 한국양서ㆍ파충류학회 2022 한국양서·파충류학회 학술대회 Vol.2022 No.07
To date, more than 1,000 species of barnacles have been reported, and some barnacles spend most of their life attached to marine vertebrates. As their distribution patterns are as diverse as their species diversity, they can be important data for understanding the behavior or ecology of host organisms as epibiont. However, in Korea, further research is needed because studies on the relationship between barnacles and marine vertebrates are still insufficient. In this study, we report a barnacle attached to a Chinese sea krait (Laticauda semifasciata) caught in the sea of Korea. On September 7, 2016, in the sea near Udo Island, Jeju (33.56°N, 127.02°E), a total of 22 barnacles were found to attach to one L. semifasciata caught. We identified these barnacles as Conchoderma virgatum based on their morphological characteristics such as distinctive feature of the capitulum and peduncle, the number of capitulum with reduced 5 plates, and the number of 2 scutum in Y-shape. There are a total of two types of barnacles (C. virgatum and Platylepas ophiophilus) that have been reported to attach to L. semifasciata in the world. Attached barnacles, including the C. virgatum, may restrict the behavior of sea kraits, cause dysecdysis, or cause the secondary infection through epithelial tissue damage. Therefore, further study on the relationship between barnacles and marine reptiles might be needed.
Recognition of Transmembrane Protein 39A as a Tumor-Specific Marker in Brain Tumor
Park, Jisoo,Lee, Hyunji,Tran, Quangdon,Mun, Kisun,Kim, Dohoon,Hong, Youngeun,Kwon, So Hee,Brazil, Derek,Park, Jongsun,Kim, Seon-Hwan Korean Society of ToxicologyKorea Environmental Mu 2017 Toxicological Research Vol.33 No.1
Transmembrane protein 39A (TMEM39A) belongs to the TMEM39 family. TMEM39A gene is a susceptibility locus for multiple sclerosis. In addition, TMEM39A seems to be implicated in systemic lupus erythematosus. However, any possible involvement of TMEM39A in cancer remains largely unknown. In the present report, we provide evidence that TMEM39A may play a role in brain tumors. Western blotting using an anti-TMEM39A antibody indicated that TMEM39A was overexpressed in glioblastoma cell lines, including U87-MG and U251-MG. Deep-sequencing transcriptomic profiling of U87-MG and U251-MG cells revealed that TMEM39A transcripts were upregulated in such cells compared with those of the cerebral cortex. Confocal microscopic analysis of U251-MG cells stained with anti-TMEM39A antibody showed that TMEM39A was located in dot-like structures lying close to the nucleus. TMEM39A probably located to mitochondria or to endosomes. Immunohistochemical analysis of glioma tissue specimens indicated that TMEM39A was markedly upregulated in such samples. Bioinformatic analysis of the Rembrandt knowledge base also supported upregulation of TMEM39A mRNA levels in glioma patients. Together, the results afford strong evidence that TMEM39A is upregulated in glioma cell lines and glioma tissue specimens. Therefore, TMEM39A may serve as a novel diagnostic marker of, and a therapeutic target for, gliomas and other cancers.
PlantGPS: 식물 생물지리 정보 확보와 모니터링을 위한 모바일 어플리케이션
Jongsun Park,Yongsung Kim,Suhwan Nam,Kyeong-In Heo,Hong Xi,Suwang Jang,Suhyeon Park,Sangtae Kim 한국자연보호학회 2016 한국자연보호학회지 Vol.10 No.1
Cost for plant survey has been dramatically reduced due to the development of mobile technology to obtain pictures with their GPS coordination. We developed a PlantGPS system consisting of an Android application specialized for collecting plant pictures and their locations using mobile devices, a server-side component for uploading data, and a web-based interface for managing and analyzing data. As examples of application of our PlantGPS system, surveys of “plants in Nangsae (Daksum) Island” and “ferns in Chollipo arboretum” were conducted. Results showed that our PlantGPS system could be used to quickly survey plant distribution in restricted area with reasonable time and effort.
Multiple Bit Encodings of Multilayer Porous Silicon
Jongsun Park,Honglae Sohn,Sungdong Cho,고영춘 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.3
Photonic crystals containing the rugate structure result in a mirror with high reflectivity in a specific narrow spectral region and are prepared by applying a computer-generated pseudo-sinusoidal current waveform. Strategies to encode multiple rugate structures have been investigated. Multiple rugate structures can be etched on a silicon wafer and placed in the same physical location, showing that many sharp spectral lines can be obtained in the optical reflectivity spectrum. The method used to generate multiple rugate structures containing all the encoding information displays five rugate peaks corresponding to each of the sine components from 0.16 to 0.24 Hz, with a spacing of 0.02 Hz between each sine component. The complete deletion of a peak has been achieved and demonstrates the capacity of this method to create binary codes. The free-standing rugate porous silicon has been treated with the solution PMMA to produce composite materials which are highly flexible at room temperature. They display significantly improved mechanical stability and no apparent degradation in their optical reflectivity properties upon flexing. The spectral feature is shifted to longer wavelengths, indicating that the polymer has infiltrated the pores of the porous silicon matrix. The composites are stable in aqueous HF or alkaline (3 M KOH) solutions for several days without apparent degradation.
GOLGA2 loss causes fibrosis with autophagy in the mouse lung and liver
Park, Sungjin,Kim, Sanghwa,Kim, Min Jung,Hong, Youngeun,Lee, Ah Young,Lee, Hyunji,Tran, Quangdon,Kim, Minhee,Cho, Hyeonjeong,Park, Jisoo,Kim, Kwang Pyo,Park, Jongsun,Cho, Myung-Haing Elsevier 2018 Biochemical and biophysical research communication Vol.495 No.1
<P><B>Abstract</B></P> <P>Autophagy is a biological recycling process via the self-digestion of organelles, proteins, and lipids for energy-consuming differentiation and homeostasis. The Golgi serves as a donor of the double-membraned phagophore for autophagosome assembly. In addition, recent studies have demonstrated that pulmonary and hepatic fibrosis is accompanied by autophagy. However, the relationships among Golgi function, autophagy, and fibrosis are unclear. Here, we show that the deletion of <I>GOLGA2</I>, encoding a cis-Golgi protein, induces autophagy with Golgi disruption. The induction of autophagy leads to fibrosis along with the reduction of subcellular lipid storage (lipid droplets and lamellar bodies) by autophagy in the lung and liver. <I>GOLGA2</I> knockout mice clearly demonstrated fibrosis features such as autophagy-activated cells, densely packed hepatocytes, increase of alveolar macrophages, and decrease of alveolar surfactant lipids (dipalmitoylphosphatidylcholine). Therefore, we confirmed the associations among Golgi function, fibrosis, and autophagy. Moreover, <I>GOLGA2</I> knockout mice may be a potentially valuable animal model for studying autophagy-induced fibrosis.</P> <P><B>Highlights</B></P> <P> <UL> <LI> GOLGA2/GM130 loss induces autophagy with Golgi disruption in liver cells and transgenic mice. </LI> <LI> GOLGA2/GM130 loss leads to degradation of lipid structures (LBs and LDs) by autophagy. </LI> <LI> GOLGA2/GM130 loss causes liver and lung fibrosis. </LI> </UL> </P>
Park Jongsun,서화정,XIHONG 한국식물분류학회 2024 식물 분류학회지 Vol.54 No.1
The genus <i>Agrimonia</i> L. (1753) is a small group consisting of 19 species and three varieties. We completed two <i>Agrimonia</i> chloroplast genomes, <i>Agrimonia coreana</i> Nakai and <i>Agrimonia nipponica</i> Koidz, collected in Korea and conducted comprehensive analyses of six <i>Agrimonia</i> chloroplast genomes. Two of the <i>Agrimonia</i> chloroplasts genomes have a typical quadripartite structure with lengths ranging from 155,161 bp to 151,362 bp, similar to the remaining A<i>Agrimonia</i> chloroplast genomes. High nucleotide diversity was detected in the <i>ycf1</i> gene, which can serve as a molecular marker. Intraspecific variations of four <i>A. pilosa</i> chloroplast genomes and interspecific variations of three <i>Agrimonia</i> species revealed that KY419942 is distinct to the other three <i>A. pilosa</i> chloroplast genomes. A phylogenetic analysis demonstrated that KY419942 was clustered with <i>A. nipponica</i>, requiring further analyses to understand <i>Agrimonia</i> species in East Asia. A comparison of simple sequence repeats identified from the six <i>Agrimonia</i> chloroplast genomes suggests potential molecular markers to distinguish species or populations of the same species. Our results define the phylogenetic relationship of three <i>Agrimonia</i> species and provide insight into the intraspecific features of <i>Agrimonia</i> chloroplast genomes with which to gain a better understanding of the genetic structure of <i>Agrimonia</i> species.