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Current trends and future prospects in insect genomics
Junhyung Park,Kesavan Markkandan,Seong-Eui Hong,Sathiyamoorthy Subramaniyam,Seungil Yoo,Hyung Wook Kwon 한국응용곤충학회 2016 한국응용곤충학회 학술대회논문집 Vol.2016 No.04
In recent years, high-throughput next-generation sequencing (NGS) techniques have provided fascinating opportunities to understand the biology of non-model organisms, especially insect species. The decrease in sequencing costs and extensive sequencing services from NGS providers has brought many entomologists to be involved in genome sequencing. However, poor planning can lead to extremely fragmented genome assemblies which prevents high quality gene annotation and other desired analyses. Insect genomes can be problematic to assemble, due to combinations of high polymorphism, inability to breed for genome homozygosity, and small physical sizes limiting the quantity of DNA able to be isolated from a single individual. Given to the rapid development of host resistance to multiple classes of insecticides, it is indispensable to study the comprehensive genomic information of insects. Recent advances in sequencing technology and assembly strategies can able to fetch breakthroughs in deciphering the genetic information of insects. Here, we present the cost effective high throughput genome sequencing and assembly strategies for insect species in respects to taxonomy, evolutionary history, immune response, drug development, insect host-virus interactions and pest management etc.
Fungal proliferation and calcium accumulation in the orange slime of Cornus controversa
Park, Junhyung,Kwon, Jun Hyeong,Kim, Hae Rang,Kwon, Ohkyung,Koh, Sang-Hyun,Kim, Pan-Gi,Bae, Kwan Ho,Kim, Dong Geun,Kwon, Oh Kyu,Joo, Sung Hyun,Jung, Sung-Gwan,Kim, Ki Woo Sage Publishing 2017 Forest Science And Technology Vol.13 No.4
Microscopy of Microbial Gas Vesicles
Park, Junhyung,Kim, Ki Woo Korean Society of Microscopy 2017 Applied microscopy Vol.47 No.3
Gas vesicles are intracellular gas-filled protein-shelled nanocompartments. The structures are spindle or cylinder-shaped, and typically $0.1{\sim}2{\mu}m$ in length and 45~250 nm in width. A variety of prokaryotes including photosynthetic bacteria and halophilic archaea form gas vesicles in their cytoplasm. Gas vesicles provide cell buoyancy as flotation devices in aqueous habitats. They are used as nanoscale molecular reporters for ultrasound imaging for biomedical purposes. The structures in halophilic archaea are poorly resolved due to the low signal-to-noise ratio from the high salt concentration in the medium. Such a limitation can be overcome using focused ion beam-thinning or inelastically scattered electrons. As the concentric bodies (~200 nm in diameter) in fungi possess gas-filled cores, it is possible that the concept of gas vesicles could be applied to eukaryotic microbes beyond prokaryotes.
[한국근대Ⅰ] ‘근대’를 포섭한 ‘전통’의 시각과 ‘사실’을 전유한 ‘역사’들에 대한 재고
박준형(Park, Junhyung) 역사학회 2020 역사학보 Vol.0 No.247
According to the “Review and Outlook” articles published over the past 10 years, the latest research trends can be summarized as follows: Criticism on the West-centered perspective, emphasis on the emphasis (oncontinuity between pre-modern and modern times, emergence of the East Asian viewpoint, increased interest in people who have crossed the borders, and the progress of empirical research. The papers reviewed in this study published between 2018 and 2019 also fall into this category. However, this paper deals with somewhat relatively observable features. First, it stresses the point of view of “tradition” and “its modern reinterpretation” and even introduces studies on the notion of “modern” which is involved in “tradition.” Second, it asserts that there is rising interest on how historical events are represented beyond faithful reproduction. Third, there are also attempts to target the researcher him/herself based on questions about the existing historical descriptions. Based on the reviews discussed above, it is suggested that new research themes that reflect the present should be discovered rather than just blindly following the forms of modern historical studies that are deeply entrenched in current history and the modern nation building process.