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A New Cymbidium Hybrid "Bright Evening" with Brownish Yellow Petals
Mi Seon Kim,Young Ran Lee,Myeong Il Jeong,Jae Yeong Kim,Jung Sub Song 한국육종학회 2007 한국육종학회지 Vol.39 No.3
A new Cymbidium hybrid “Bright Evening” was released by National Horticultural Research Institute (NHRI) in 2003. A cross was made in 1995 between Cymbidium “Tropical Yellow”, a brownish yellow colored petal and medium plant sized variety, and “Lucky Rainbow Rapin Hot”, a light purple-pink petal with red lip and medium sized variety. A cross was made in 1995 between Cymbidium “Tropical Yellow”, a brownish yellow colored petal and medium plant sized variety, and “Lucky Rainbow Lapin Hot”, a light purple-pink petal with red lip and medium sized variety. The eighty seven progenies were obtained after planting and acclimatization in green house. In 1999, a line (9529125) was selected and multiplicated for its flower color, leaf shape, flower stalk, and vigorous growing habit. After evaluation trial for two growing seasons, the selected line was named as “Bright Evening”. The “Bright Evening” has yellow petals and is a medium sized (average leaf length is about 62 cm and width of flower is about 6 cm) Cymbidium variety with vigorous growth and erect flower stalks. Blooming is started from November to February in optimal culture condition. High temperature (more than 30℃) and low light intensity should be avoided for the appropriate growth. In addition, flower stalks develop easily even from underdeveloped pseudobulbs.
SONG, SANG YONG,KANG, MI RAN,YOO, NAM JIN,LEE, SUG HYUNG Blackwell Publishing Ltd 2010 APMIS Vol.118 No.5
<P>Song SY, Kang MR, Yoo NJ, Lee SH. Mutational analysis of mononucleotide repeats in dual specificity tyrosine phosphatase genes in gastric and colon carcinomas with microsatellite instability. APMIS 2010; 118: 389–93.</P><P>Coordinated protein phosphorylation and dephosphorylation are crucial in the regulation of cell signaling, and disruption of the coordination is known to play important roles in cancer development. Recent reports revealed that classical protein tyrosine phosphatase (PTP)-encoded genes are somatically mutated in human colorectal cancer. However, data on dual specificity phosphatase (DPTP) gene mutations in human cancers are lacking. By analyzing a public genomic database, we found that five DPTP genes, <I>CDC14A</I>, <I>MTM1</I>, <I>MTMR3</I>, <I>SSH1</I>, and <I>SSH2</I>, have mononucleotide repeats in their coding DNA sequences. To see whether these genes are mutated in cancers with microsatellite instability (MSI), we analyzed the mononucleotide repeats in 26 gastric cancers (GC) with MSI (MSI-H), 12 GC with low MSI (MSI-L), 45 GC with stable MSI (MSS), 33 colorectal cancers (CRC) with MSI-H, 14 CRC with MSI-L, and 45 CRC with MSS by single-strand conformation polymorphism (SSCP). We found <I>CDC14A</I> and <I>MTMR3</I> mutations in five and one cancer (s), respectively. These mutations were detected in MSI-H cancers, but not in MSI-L or MSS cancers. The GC and CRC with MSI-H harbored the mutations in 15% and 6%, respectively. The <I>CDC14A</I> and <I>MTMR3</I> mutations detected in the GC and CRC were deletion or duplication mutations of one base in the nucleotide repeats that would result in premature stops of the amino acid syntheses. Our data show that frameshift mutations of DPTP genes in MSI-H cancers occur at moderate frequencies. The data suggested that alterations in the <I>CDC14A</I> and <I>MTMR3</I> genes may play a role in the development of GC and CRC with MSI-H by deregulating phosphatase functions possibly together with mutations of classical PTP genes.</P>
Song, Young-Ran,Sung, Su-Kyung,Jang, Mi,Lim, Tae-Gyu,Cho, Chang-Won,Han, Chun-Ji,Hong, Hee-Do Elsevier 2018 INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES Vol.116 No.-
<P><B>Abstract</B></P> <P>In this study, enzyme-assisted extraction was used to isolate functional polysaccharides from Korean ginseng (<I>Panax ginseng</I> Meyer) and the physicochemical and biological properties of the extracted polysaccharides were investigated, comparing with those from traditional hot-water extraction (FGWP). In macrophages, their effects on cytokines production could be ordered as FGEP-CA ≥ FGEP-A > FGEP-C > FGWP, suggesting that FGEP-CA (combined cellulase- and α-amylase-extracted polysaccharide) is a potent immunostimulator. In addition, enzymatic digestion led to differences in the monosaccharide profile of the extract. FGWP mainly consisted of rhamnose, arabinose, galactose, galacturonic acid, and glucose in molar percentages of 1.8:10.1:9.2:17.8:60.6, whereas FGEP-CA was 3.2:11.4:16.5:22.3:45.8, respectively, suggesting that enzyme-assisted extraction of ginseng polysaccharides produces a higher proportion of pectin polysaccharides. The HPLC profile of FGEP-CA also showed lower and more heterogeneous molecular weights than FGWP did. In cyclophosphamide-induced immunosuppressed mice, FGEP-CA administration ameliorated decreased spleen and thymus indices (200 mg/kg), lymphocyte proliferation, natural killer cell activity, leukocyte counts, and the serum cytokines, interleukin-2, interleukin-6, and interferon-γ (100 and 200 mg/kg). These results suggest that enzyme-assisted extraction using cellulase and α-amylase is an effective method for the preparation of functional polysaccharides from fresh Korean ginseng, and FGEP-CA could be utilized as a potential immune-stimulatory agent.</P>