• Title/Summary/Keyword: Expression pattern

Search Result 1,611, Processing Time 0.024 seconds

Isolation and characterization of Brcpi1 gene encoding phytocystatin from chinese cabbage (Brassica rapa L.) seedlings (배추 유래 phytocystatin 유전자, Brcpi1의 분리 및 발현특성 분석)

  • Jung, Yu-Jin;Cho, Yong-Gu;Kang, Kwon-Kyoo
    • Journal of Plant Biotechnology
    • /
    • v.36 no.4
    • /
    • pp.407-414
    • /
    • 2009
  • A cDNA clone encoding phytocystatin was isolated from Brassica rapa seedlings, through rapid amplification of cDNA ends (RACE). This gene (name as Brcpi1; GenBank accession no.: EF079953) had a total length of 881 bp with an open reading frame of 609 bp, and encoded predicted polypeptide of 203 amino acid (aa) residues including a putative N-terminal signal peptide. Other relevant regions found its sequence included the G and PW conserved aa motifs, and the consensus LARFAV sequence for phytocystatins and the reactive site QVVAG. The BrCPI1 protein shared 95, 94, 81, 80 and 78% identity with other CPI proterins isolated from Brassica oleracea (BoCPI-1), Arabidopsis thaliana (AtCY SB), Glycine max (GmCPI), Oryza sativa (OsCYS-2) and Zea may (ZmCPI) at amino acid level, respectively. Southern blot analysis showed that Brcpi1 was a low copy gene. Expression pattern analysis revealed that Brcpi1 was a tissue-specific expressing gene during reproductive growth and strongly expressed at mature seedling stages. Furthermore, overexpression of Brcpi1 in transgenic Arabidopsis was enhanced tolerance to salt and cold stresses. Meanwhile the juvenile seedling of Brcpi1 transgenic plants was not affected by various concentrations ABA in MS medium. Taken together, the results showed that Brcpi1 functioned as a cysteine protease inhibitor and it exhibited a protective agent against diverse types of abiotic stress, which induced this gene in a tissue- and stress-specific manner.

A Mutation of cdc-25.1 Causes Defects in Germ Cells But Not in Somatic Tissues in C. elegans

  • Kim, Jiyoung;Lee, Ah-Reum;Kawasaki, Ichiro;Strome, Susan;Shim, Yhong-Hee
    • Molecules and Cells
    • /
    • v.28 no.1
    • /
    • pp.43-48
    • /
    • 2009
  • By screening C. elegans mutants for severe defects in germline proliferation, we isolated a new loss-of-function allele of cdc-25.1, bn115. bn115 and another previously identified loss-of-function allele nr2036 do not exhibit noticeable cell division defects in the somatic tissues but have reduced numbers of germ cells and are sterile, indicating that cdc-25.1 functions predominantly in the germ line during postembryonic development, and that cdc-25.1 activity is probably not required in somatic lineages during larval development. We analyzed cell division of germ cells and somatic tissues in bn115 homozygotes with germline-specific anti-PGL-1 immunofluorescence and GFP transgenes that express in intestinal cells, in distal tip cells, and in gonadal sheath cells, respectively. We also analyzed the expression pattern of cdc-25.1 with conventional and quantitative RT-PCR. In the presence of three other family members of cdc-25.1 in C. elegans, defects are observed only in the germ line but not in the somatic tissues in cdc-25.1 single mutants, and cdc-25.1 is expressed predominantly, if not exclusively, in the germ line during postembryonic stages. Our findings indicate that the function of cdc-25.1 is unique in the germ line but likely redundant with other members in the soma.

A Development of Wedding Dress Design by Digital Clothing (디지털 클로딩에 의한 웨딩드레스 디자인 개발)

  • Lee, Seoyun;Cho, Kyuwha;Kim, Jiyoung
    • Journal of Fashion Business
    • /
    • v.18 no.2
    • /
    • pp.166-182
    • /
    • 2014
  • The purpose of this study is to develop a wedding dress design using digital clothing program to produce an actual dress. The level of actualization of the wedding dress design through digital clothing was evaluated by comparing the shape, ornament details, material, and tone. Also, the direction of improvement was sought by apprehending the limitations for the future of wedding dress design created by digital clothing. In order to evaluate the level of actualization on major design techniques of wedding dress, design planning of 4 dresses was performed based on the major images of wedding dresses. Virtual dress was created using DC Suite program and an actual wedding dress was produced using the pattern created in the process of virtual dress designing. The wedding dress designed by digital clothing was superior in silhouette or expression of pleats, but they rather lacked in expressing corsage, 3-dimensional objects, sheen material or double material. However, by supplementing a few functions, digital clothing can be effectively utilized in wedding dress design with the convenience and speed of digital operation. The digital clothing performs rapid production in the design development stage, modifies simply and confirms in real time and is highly effective, Therefore, if a program designed for wedding dress is developed, its effectiveness will be improved to maximize the customer satisfaction, and it will significantly reduce the time and cost which will make a great contribution to the wedding industry.

A Study on the Hijab as a Fashion Item in the Tehran Street (테헤란 스트리트에 나타난 패션 아이템 히잡 연구)

  • Kim, Hyun Seo;Kim, Hyun Ju;Na, Hyun Shin
    • Journal of Fashion Business
    • /
    • v.24 no.2
    • /
    • pp.1-16
    • /
    • 2020
  • Hijab as a symbol of women's oppression due to the opening and reform of Islamic State group, is becoming more diverse as younger generation begins to dress more freely than ever before, spreading the perception that it is a fashion item. In response, this research conducted a theoretical review about the history of hijab, various forms of hijab, and characteristics of hijab using relevant literature, media reports, and fashion media articles. As an empirical study, image-oriented photo data shared by Tehran Street Fashion from 2015 to November 2019 were analyzed separately by fashion majors into color, pattern, and hijab-making forms. According to the analysis, six different fashion images were categorized as romantic feminine, modern chic, natural elegant, classic formal, sporty casual and gorgeous ethnic. For Muslim women in the past, hijab was worn as a repressive and closed sense by the religious system. However, in modern times, it is a way to express one's style and ideas as a fashion item. It is also and a means to express one's thoughts and beliefs. Through aesthetic consideration of Hijab as a fashion item, it was found that it was a medium for freedom of expression and a medium for beauty and individuality.

A Study on the Genetic Inheritance of Ankyloglossia Based on Pedigree Analysis

  • Han, Soo-Hyung;Kim, Min-Cheol;Choi, Yun-Seok;Lim, Jin-Soo;Han, Ki-Taik
    • Archives of Plastic Surgery
    • /
    • v.39 no.4
    • /
    • pp.329-332
    • /
    • 2012
  • Background Ankyloglossia or tongue-tie is a congenital anomaly characterized by an abnormally short lingual frenum. Its prevalence in the newborn population is approximately 4%. Its mode of inheritance has been studied in some articles, but no conclusion has been established. Also, no relevant report has been published in Korea. This study was conducted to elucidate the genetic inheritance of ankyloglossia via pedigree analysis. Methods In this study, 149 patients with no other congenital anomaly who underwent frenuloplasty between March 2001 and March 2010 were studied. Pedigrees were made via pre- or post-operative history taking, and patients with uncertain histories were excluded. In the patient group that showed a hereditary nature, the male-to-female ratio, inheritance rate, and pattern of inheritance were investigated. Results One hundred (67.11%) of the patients were male and 49 (32.89%) were female (male-female ratio=2.04:1). Ninety-one (61.07%) patients reported no other relative with ankyloglossia, and 58 (38.93%) patients had a relative with this disease. The inheritance rate was 20.69% in the 58 cases with a hereditary nature. In the group with no family history of ankyloglossia, the male-female ratio was 3.79:1, which significantly differed from that of the group with a family history of ankyloglossia. X-chromosome mediated inheritance and variation in the gene expression was revealed in the pedigree drawn for the groups with hereditary ankyloglossia. Conclusions Ankyloglossia has a significant hereditary nature. Our data suggest X-linked inheritance. This study with 149 patients, the first in Korea, showed X-linked inheritance in patients with a sole anomaly.

Molecular Cloning and Identification of Novel Genes, Gomsin, Characteristically Expressed in Snailfish, Liparis tanakae (꼼치에서 특징적으로 발현되는 새로운 유전자 곰신의 분리 및 동정)

  • 송인선;이석근;손진기
    • Development and Reproduction
    • /
    • v.6 no.1
    • /
    • pp.7-16
    • /
    • 2002
  • In order to obtain the specific genes of snailfish a subtracted cDNA library was constructed, and analysed by sequencing and GenBank search. Among them C90-171 clone was turned out to be genes showing low homology and nonredundant genes. This novel clone was named Gomsin(C90-171). Gomsin was shown to be intensely expressed in the epithelial cells, some mesenchymal cells, and sheaths of muscle bundles in the result of immunohistochemistry. In the cross reaction assay of Gomsin antibody against various human tissues, the Gomsin was strongly expressed in the ductal and acinar cells of salivary glands, which was similar to the expression patterns of proline-rich proteins(PRPs) of human. The antibody raised against the Gomsin was clearly cross-reacted with human salivary PRPs and also recombinant proteins of human PRPs in the Western blot and immunoprecipitation analysis. Contrast to the salivary PRPs, the Gomsin was not easily degraded in the mixed saliva, but rapidly attacked on the cultured keratocytes in vitro. The simulated protein structure of Gomsin was similar to the whorled pattern of PRPs, even though the amino acid sequence of Gomsin was quite different from those of PRPs. These data suggest that the Gomsin is a characteristic matrix protein in the skin and body of snailfish, which is also utilized for the tissue protection in the similar way to the PRPs of human muco-secretory organs.

  • PDF

Proteomic Analysis of the Increased Proteins in Peroxiredoxin II Deficient RBCs

  • Yang, Hee-Young;Lee, Tae-Hoon
    • Reproductive and Developmental Biology
    • /
    • v.36 no.1
    • /
    • pp.55-64
    • /
    • 2012
  • Peroxiredoxin II (Prdx II; a typical 2-Cys Prdx) has been originally isolated from erythrocytes, and its structure and peroxidase activity have been adequately studied. Prdx II has been reported to protect a wide range of cellular environments as antioxidant enzyme, and its dysfunctions may be implicated in a variety of disease states associated with oxidative stress, including cancer and aging-associated pathologies. But, the precise mechanism is still obscure in various aspects of aging containing ovarian aging. Identification and relative quantification of the increased proteins affected by Prdx II deficiency may help identify novel signaling mechanisms that are important for oxidative stress-related diseases. To identify the increased proteins in Prdx $II^{-/-}$ mice, we performed RBC comparative proteome analysis in membrane fraction and cytosolic fractions by nano-UPLC-$MS^E$ shotgun proteomics. We found the increased 86 proteins in membrane (32 proteins) and cytosolic (54 proteins) fractions, and analyzed comparative expression pattern in healthy RBCs of Prdx $II^{+/+}$ mice, healthy RBCs of Prdx $II^{-/-}$ mice, and abnormal RBCs of Prdx $II^{-/-}$ mice. These proteins belonged to cellular functions related with RBC lifespan maintain, such as cellular morphology and assembly, cell-cell interaction, metabolism, and stress-induced signaling. Moreover, protein networks among the increased proteins were analyzed to associate with various diseases. Taken together, RBC proteome may provide clues to understand the clue about redox-imbalanced diseases.

Apoptosis of 4-Acetyl-12, 13-epoxyl-9-trichothecene-3, 15-diol isolated from the fruiting bodies of Isaria japonica Yasuda via Caspase-3 in Bladder cancer Cell line (NBT-II) (Caspase-3을 경유한 동충하초 자실체 유래 4-Acetyl-12, 13-epoxyl-9-trichothecene-3, 15-diol의 방광암 세포주(NBT-II) Apoptosis)

  • Kim Hyeong-Jin;Jang S.I.;Oh K,S.;Hong K.H.;Kim Y.C.;Pae H.O.;Yun Y.G.;Chung H.T.;Kwon T.O.
    • Herbal Formula Science
    • /
    • v.10 no.2
    • /
    • pp.213-223
    • /
    • 2002
  • The fruiting bodies of Isaria japonica have been traditionally used in Korea to treat cancer. An apoptosis-inducing compound, 4-Acetyl-12, 13-epoxyl -9-trichothecene-3, I5-diol (AETD), was isolated from the methanol extract of fruiting bodies of Isaria japonica Yasuda by bioassay -guided fractionation. The apoptosis of murine bladder cancer cell line (NBT-Ⅱ) by the compound was accessed by propidium iodide staining flow cytometric analysis, and apoptosis-inducing activity at $IC_{50}$ concentration (5 nmol/L) was further confirmed by a nuclear morphological change, a ladder pattern of DNA fragmentation, and an activation of caspase-3. These results indicate that AETD induces apoptosis of NBT-Ⅱ cells via expression of caspase-3.

  • PDF

Effect of Hydro-meteorological and Surface Conditions on Variations in the Frequency of Asian Dust Events

  • Ryu, Jae-Hyun;Hong, Sungwook;Lyu, Sang Jin;Chung, Chu-Yong;Shi, Inchul;Cho, Jaeil
    • Korean Journal of Remote Sensing
    • /
    • v.34 no.1
    • /
    • pp.25-43
    • /
    • 2018
  • The effects of hydro-meteorological and surface variables on the frequency of Asian dust events (FAE) were investigated using ground station and satellite-based data. Present weather codes 7, 8, and 9 derived from surface synoptic observations (SYNOP)were used for counting FAE. Surface wind speed (SWS), air temperature (Ta), relative humidity (RH), and precipitation were analyzed as hydro-meteorological variables for FAE. The Normalized Difference Vegetation Index (NDVI), land surface temperature (LST), and snow cover fraction (SCF) were used to consider the effects of surface variables on FAE. The relationships between FAE and hydro-meteorological variables were analyzed using Z-score and empirical orthogonal function (EOF) analysis. Although all variables expressed the change of FAE, the degrees of expression were different. SWS, LST, and Ta (indices applicable when Z-score was < 0) explained about 63.01, 58.00, and 56.17% of the FAE,respectively. For NDVI, precipitation, and RH, Asian dust events occurred with a frequency of about 55.38, 67.37, and 62.87% when the Z-scores were > 0. EOF analysis for the FAE showed the seasonal cycle, change pattern, and surface influences related to dryness condition for the FAE. The intensity of SWS was the main cause for change of FAE, but surface variables such as LST, SCF, and NDVI also were expressed because wet surface conditions suppress FAE. These results demonstrate that not only SWS and precipitation, but also surface variables, are important and useful precursors for monitoring Asian dust events.

Effect of DPBll Gene for the Transcriptional Induction by DNA Damage During Cell Cycle in Saccharomyces cerevisiae (출아효모의 세포주기동안 DNA 상해에 의한 발현 유도에 미치는 DPB11 유전자의 영향)

  • 선우양일;임선희;배호정;김중현;김은아;김승일;김수현;박정은;김재우
    • Korean Journal of Microbiology
    • /
    • v.38 no.2
    • /
    • pp.96-102
    • /
    • 2002
  • The S-phase checkpoint mechanisms response to DNA damage or inhibition of DNA replication for maintenance of genetic stability in eukaryotic cells. These roles include cell cycle control arrest at S-phase and Iranscriptional induction of repair genes. To characterize the defects of dpbll mutant for both these responses, we examined the over-expression effect of DPBll gene, the sensitivity to HU, MMS, and the transcriptional pattern by DNA damage agent for RNRS mRNA. RNRS transcript is induced in response to a wide variety of agents that either damage D7A directly through chemical modification or induce stress by blocking DNA synthesis. As results, dpbll-1 cells are sensitive to DNA damage agents and the level of RNR3 mRNA is reduced approximately 40% than wild type cells. Moreover, we found the same results in dpb2-1 cells. Therefore, we propose that DPB2 and DPBll act as a sensor of replication that coordinates the transcriptional and cell cycle responses to replication blocks.