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A New Large Seed Size, Good Seed Quality and High-Yielding Vegetable Soybean Cultivar "Danmiput"
Sung Taeg Kang,In Youl Baek,Myoung Gun Choung,Sea Kwan Oh,Won Young Han,Doo Chull Shin,Su Dong Kim,Soon Chul Kim 한국육종학회 2003 한국육종학회지 Vol.35 No.4
A new vegetable soybean variety, “Danmiput” was selected from the cross Keunol/Wasehakucho (Introduced), and developed in 2002 on the basis of its yield performance and seed quality for vegetable soybean at the National Yeongnam Agricultural Station. “Dan
Genetic Analysis of Pod Dehiscence in Soybean
Kang Sung Taeg,Kim Hyeun Kyeung,Baek In Youl,Chung Moung Gun,Han Won Young,Shin Doo Chull,Lee Suk-Ha The Korean Society of Crop Science 2005 Korean journal of crop science Vol.50 No.4
Pod dehiscence (PD), defined as the opening of pods along both the dorsal and ventral sutures, causes the seed to shatter in the field before harvesting and results in loss of seed yields. However, breeding for resistance to PD is difficult due to the complicated genetic behavior and environmental interaction. The objective of the present research was to analyze the genetic behavior of PD for improving the breeding efficiency of resistance to PD in soybean. PD after oven-drying the sampled pod at $40^{\circ}C$ for 24 hours was the most reliable to predict the degree of PD tested in the field. Keunolkong, a dehiscent parent, was crossed with non-dehiscent parents, Sinpaldalkong and Iksan 10. Using their $F_1\;and\;F_2$ seeds, PD was measured after oven drying the pod at $40^{\circ}C$ for 24 hours. The gene conferring PD behaved in different manners depending on the genetic populations. In the Keunolkong$\times$Sinpaldalkong population, PD seemed to be governed by single major recessive gene and minor genes, while several genes were probably involved in the resistance to pod dehiscence in the Keunolkong$\times$Iksan 10 population. Heritability for PD estimated in F2 population showed over $90\%$ in the two populations. High heritability of PD indicated that selection for resistance to PD should be effective in a breeding program. In addition, genetic mapping of quantitative locus (QTL) for PD in both populations may reveal that genes conferring PD are population-specific.
Genetic Analysis of Pod Dehiscence in Soybean
Sung Taeg Kang,Hyeun Kyeung Kim,In Youl Baek,Moung Gun Chung,Won Young Han,Doo Chull Shin,Suk-Ha Lee 韓國作物學會 2005 Korean journal of crop science Vol.50 No.4
Pod dehiscence (PD), defined as the opening of pods along both the dorsal and ventral sutures, causes the seed to shatter in the field before harvesting and results in loss of seed yields. However, breeding for resistance to PD is difficult due to the complicated genetic behavior and environmental interaction. The objective of the present research was to analyze the genetic behavior of PD for improving the breeding efficiency of resistance to PD in soybean. PD after oven-drying the sampled pod at 40~circC for 24 hours was the most reliable to predict the degree of PD tested in the field. Keunolkong, a dehiscent parent, was crossed with non-dehiscent parents, Sinpaldalkong and Iksan 10. Using their F1~;and~;F2 seeds, PD was measured after oven drying the pod at 40~circC for 24 hours. The gene conferring PD behaved in different manners depending on the genetic populations. In the Keunolkong~times Sinpaldalkong population, PD seemed to be governed by single major recessive gene and minor genes, while several genes were probably involved in the resistance to pod dehiscence in the Keunolkong~times Iksan 10 population. Heritability for PD estimated in F2 population showed over 90~% in the two populations. High heritability of PD indicated that selection for resistance to PD should be effective in a breeding program. In addition, genetic mapping of quantitative locus (QTL) for PD in both populations may reveal that genes conferring PD are population-specific
Nothofagin suppresses mast cell-mediated allergic inflammation
Kang, Byeong-Cheol,Kim, Min-Jong,Lee, Soyoung,Choi, Young-Ae,Park, Pil-Hoon,Shin, Tae-Yong,Kwon, Taeg Kyu,Khang, Dongwoo,Kim, Sang-Hyun Elsevier 2019 Chemico-biological interactions Vol.298 No.-
<P><B>Abstract</B></P> <P>Mast cells play a major role in immunoglobulin E-mediated allergic inflammation, which is involved in asthma, atopic dermatitis, and allergic rhinitis. Nothofagin has been shown to ameliorate various inflammatory responses such as the septic response and vascular inflammation. In this study, we assessed the inhibitory effect of nothofagin on allergic inflammation using cultured/isolated mast cells and an anaphylaxis mouse model. Nothofagin treatment prevented histamine and β-hexosaminidase release by reducing the influx of calcium into the cytosol in a concentration-dependent manner. Nothofagin also inhibited the gene expression and secretion of pro-inflammatory cytokines such as tumor necrosis factor-α and interleukin-4 by downregulating the phosphorylation of Lyn, Syk, Akt and nuclear translocation of nuclear factor-κB. To confirm these effects of nothofagin <I>in vivo</I>, we used a passive cutaneous anaphylaxis mouse model. Topical administration of nothofagin suppressed local pigmentation and ear thickness. Taken together, these results suggest nothofagin as a potential candidate for the treatment of mast cell-involved allergic inflammatory diseases.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Nothofagin suppressed IgE-induced mast cell degranulation. </LI> <LI> Nothofagin downregulated NF-κB translocation through blocking calcium influx. </LI> <LI> Nothofagin attenuates vascular permeability induced by mast cell degranulation. </LI> <LI> Nothofagin could be used to ameliorate allergic inflammation. </LI> </UL> </P>
Sung Hee Kim,Dong Sung Pae,Tae-Koo Kang,Dong W. Kim,Myo Taeg Lim 대한전기학회 2018 Journal of Electrical Engineering & Technology Vol.13 No.6
We propose the Sparse Feature Convolutional Neural Network (SFCNN) to reduce the volume of convolutional neural networks (CNNs). Despite the superior classification performance of CNNs, their enormous network volume requires high computational cost and long processing time, making real-time applications such as online-training difficult. We propose an advanced network that reduces the volume of conventional CNNs by producing a region-based sparse feature map. To produce the sparse feature map, two complementary region-based value extraction methods, cluster max extraction and local value extraction, are proposed. Cluster max is selected as the main function based on experimental results. To evaluate SFCNN, we conduct an experiment with two conventional CNNs. The network trains 59 times faster and tests 81 times faster than the VGG network, with a 1.2% loss of accuracy in multi-class classification using the Caltech101 dataset. In vehicle classification using the GTI Vehicle Image Database, the network trains 88 times faster and tests 94 times faster than the conventional CNNs, with a 0.1% loss of accuracy.
Kang, Eun Hwa,Kown, Tae Young,Oh, Goo Taeg,Park, Weung Feel,Park, Sung-Il,Park, Sung Kyu,Lee, Young Ik Elsevier 2006 ANTIVIRAL RESEARCH Vol.72 No.2
<P><B>Abstract</B></P><P>The aim of this study is to characterize the role of ellagic acid, a flavonoid from a medicinal herb which blocks HBeAg secretion in a HBV infected cell line and in HBeAg transgenic mice, in immune tolerance in chronic HBV infection. Using the mouse strain C57ML/6, HBeAg-producing transgenic mice (HBeAg-Tg), under the control of metal ion-inducible promoter were generated. The effect on immune tolerance of HBeAg-Tg and the release of immune tolerance by the inhibitor of HBeAg secretion, ellagic acid, was tested using T/B cell proliferation, HBeAg/HBeAb production, cytotoxic T-lymphocyte (CTL) and cytokine assays.</P><P>C57ML/6 based HBeAg-producing HBeAg-Tg mice were tolerant to HBeAg at the T and B-cell level, did not produce antibodies to HBeAg in vivo and in vitro, produced minimal levels of cytokines (IL-4 and IFN-gamma) and decreased CTL responses, while feeding mice with ellagic acid (5mg/kg body weight) blocked the immune tolerance caused by HBeAg. Our results suggest that host immune tolerance induced by HBeAg during HBV infection, a viral strategy to guarantee HBV infection, can be overcome by ellagic acid, thus it can be used as a therapeutic for HBV-carriers.</P>