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Hayoung Song,Jun-Gyo Suh,Jun Ho Lee 한국실험동물학회 2021 한국실험동물학회 학술발표대회 논문집 Vol.2021 No.7
The purpose of the present study was to define the locations of melanocytes in central nervous system and sensory organs. And, melanocytes’ delicate findings in related with adjacent vessels and nerves could be suggested the novel hypothesis about their role. We used six different types of rodents including Korean wild mouse, mouse, rat, Mongolian gerbil, Syrian hamsters, Guinea pigs, and ApoE KO mice. We used and dual vital staining system (Alcian Blue and Sudan IV solutions) for identification of arterial and venous system. Meningeal melanocytes is really positioned around superficial petrosal sinus. The melanocytes cluster that were positioned olfactory bulb congregated at anterior cerebral arteries and anterior communicating artery. These olfactory bulb melanocytes cluster is connected with optic nerve pathway and followed the optic nerve. Extracranial melanocytes were plenty at orbital fat pad and oculomotor nerve in Mongolian Gerbil. Melanocytes in spinal cord were mainly positioned at terminal nerve branching area (spinal nerves and coccyx nerves). We thought and suggested the hypothesis that melanocytes in central nervous system might be has the role in harmonization with each senses, via the vascular connection
Hayoung Song,HyeRan Kim,Byung‑Ho Hwang,이한길,Yoonkang Hur 한국유전학회 2020 Genes & Genomics Vol.42 No.12
Background: Low temperature (LT) or cold stress is a major environmental stress that seriously affects plant growth and development, limiting crop productivity. Cold shock domain proteins (CSDPs), which are present in most living organism, are involved in RNA metabolisms influencing abiotic stress tolerance. Objective: The aims of this study are to identify target gene for LT-tolerance, like CSDPs, characterize genetics, and develop molecular marker distinguishing LT-tolerance in cabbage (Brassica oleracea var. capitata). Methods: Semi-quantitative RT-PCR or qRT-PCR was used in gene expression study. LT-tolerance was determined by electrolyte leakage and PCR with allelic specific primers. Results: Allelic variation was found in BoCSDP5 coding sequence (CDs) between LT-tolerant (BN106 and BN553) and -susceptible inbred lines (BN107 and BN554). LT-tolerant inbred lines contained variant type of BoCSDP5 (named as BoCSDP5v) which encodes extra CCHC zinc finger domain at C-terminus. Association of LT-tolerance with BoCSDP5v was confirmed by electrolyte leakage and segregation using genetic population derived from BN553 and BN554 cross. Allelic variation in BoCSDP5 gene does not influence the rate of gene expression, but produces different proteins with different number of CCHC zinc finger domains. LT-tolerance marker designed on the basis of polymorphism between BoCSDP5 and BoCSDP5v was confirmed with samples used in previous B. oleracea CIRCADIAN CLOCK ASSOCIATED 1 (BoCCA1) marker validation. Conclusions: LT-tolerant allele (BoCSDP5v) is dominant and independent of CBF pathway, and sufficient to generate molecular markers to identify LT-tolerant cabbage when it is used in combination with another marker, like BoCCA1-derived one. Production and analysis of overexpressing plants of BoCSDP1, BoCSDP3, BoCSDP5 and BoCSDP5v will be required for elucidating the function of CCHC zinc finger domains in LT-tolerance.
Song, Hayoung,Dong, Xiangshu,Yi, Hankuil,Ahn, Ju Young,Yun, Keunho,Song, Myungchul,Han, Ching-Tack,Hur, Yoonkang MDPI 2018 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.19 No.6
<P>For sustainable crop cultivation in the face of global warming, it is important to unravel the genetic mechanisms underlying plant adaptation to a warming climate and apply this information to breeding. Thermomorphogenesis and ambient temperature signaling pathways have been well studied in model plants, but little information is available for vegetable crops. Here, we investigated genes responsive to warming conditions from two <I>Brassica rapa</I> inbred lines with different geographic origins: subtropical (Kenshin) and temperate (Chiifu). Genes in Gene Ontology categories “response to heat”, “heat acclimation”, “response to light intensity”, “response to oxidative stress”, and “response to temperature stimulus” were upregulated under warming treatment in both lines, but genes involved in “response to auxin stimulus” were upregulated only in Kenshin under both warming and minor-warming conditions. We identified 16 putative high temperature (HT) adaptation-related genes, including 10 heat-shock response genes, 2 transcription factor genes, 1 splicing factor gene, and 3 others. <I>BrPIF4</I>, <I>BrROF2</I>, and <I>BrMPSR1</I> are candidate genes that might function in HT adaptation. Auxin response, alternative splicing of <I>BrHSFA2</I>, and heat shock memory appear to be indispensable for HT adaptation in <I>B. rapa</I>. These results lay the foundation for molecular breeding and marker development to improve warming tolerance in <I>B. rapa</I>.</P>
Design of Illuminating Car Seats based on Woven Fabric of Optical Fiber
Song, HaYoung,Cho, Hakyung Korean Society for Emotion and Sensibility 2014 감성과학 Vol.17 No.1
In recent days, according as ergonomics and aesthetic engineering are important factors in the product market, there is a demand to develop automobile seat and interior designs which are focused on sensitive elements such as aesthetic and comfort features in order to satisfy the sensitive needs of consumers. To meet such demands, car seats are turning into functional and sensitive products that reflect elements of function and entertainment. According to such trends, this research is aimed to develop the illuminating car seat fabric that serve such functions as recognizing and reacting to car environments, which includes sensing over-speed, open doors, and unfastened safety belts through the illuminating car seat fabrics by optical fiber. For this purpose, basic physical properties of optical fiber are analyzed, appropriate weaving and etching technologies are applied, and the woven fabric of optical fiber for car seats are illuminating depend upon car environments. Moreover, the applicable woven fabric of optical fiber is deduced after evaluating the physical properties (such as tensile strength, heatproof, anti-fouling, washable and combustible traits) for the appropriateness of applying the woven fabric of optical fiber to car seats. For this purpose, the woven fabric of optical fiber is covered according to car seat processes; the optical fiber applied to seats is composed that it may be connected to one end of the connector linked to a LED so that it may perform functions like sensing over-speed, open doors, and unfastened safety belts; the sensed signals are transmitted to the control part, and luminescent signals are transmitted to LED.