• Title/Summary/Keyword: Genomic analysis

Search Result 1,628, Processing Time 0.044 seconds

Isolation and Phylogeny of SINE-R Retroposons Derived from Human Endogenous Retrovirus HERV-K Family in Schizophrenia

  • Kim, Heui-Soo;Crow, Timothy J.
    • Animal cells and systems
    • /
    • v.6 no.1
    • /
    • pp.81-84
    • /
    • 2002
  • SINE-R retroposons have been derived from human endogenous retrovirus HERV-K family and found to be hominoid specific. Both SINE-R retroposons and HERV_K family are potentially capable of affecting the expression of closely located genes. Using the genomic DNA from patients with schizophrenia, we identified 26 SINE-R retroposons and analyzed them with the sequences derived from the hominoid primates. The SINE-R retroposons from schizophrenia showed 89.7-96.6% sequence similarities with the sequence of the schizo-cDNA clone that derived from postmortem tissue from the frontal cortex of an individual suffering from schizophrenial. Phylogenetic analysis using the neighbor-joining method revealed that the new SINE-R retroposons in schizophrenia have proliferated independently during hominid evolution. Such retroposons have great relevance to genomic change connected to human diseases. The data suggest that new SINE-R retroposons identified in schizophrenia deserve further investigation as potential leads on the understanding of neuropsychiatric diseases.

Application of genotyping-by-sequencing (GBS) in plant genome using bioinformatics pipeline

  • Lee, Yun Gyeong;Kang, Chon-Sik;Kim, Changsoo
    • Proceedings of the Korean Society of Crop Science Conference
    • /
    • 2017.06a
    • /
    • pp.58-58
    • /
    • 2017
  • The advent of next generation sequencing technology has elicited plenty of sequencing data available in agriculturally relevant plant species. For most crop species, it is too expensive to obtain the whole genome sequence data with sufficient coverage. Thus, many approaches have been developed to bring down the cost of NGS. Genotyping-by-sequencing (GBS) is a cost-effective genotyping method for complex genetic populations. GBS can be used for the analysis of genomic selection (GS), genome-wide association study (GWAS) and constructing haplotype and genetic linkage maps in a variety of plant species. For efficiently dealing with plant GBS data, the TASSEL-GBS pipeline is one of the most popular choices for many researchers. TASSEL-GBS is JAVA based a software package to obtain genotyping data from raw GBS sequences. Here, we describe application of GBS and bioinformatics pipeline of TASSEL-GBS for analyzing plant genetics data.

  • PDF

Rice Transformation by DNA Imbibition and Construction of Plant Vector (DNA imbibition을 이용한 벼의 형질전환과 vector 개발)

  • 유준희;남홍길정구흥
    • KSBB Journal
    • /
    • v.8 no.2
    • /
    • pp.104-109
    • /
    • 1993
  • A vector for plant transformation which had two reporter genes(Gus and Hpt genes) in a single plasmid was constructed. After rice embryos imbibed DNA solution, DNA uptake and gene expression in rice were monitored. Main expression sites of the Gus gene were meristem of root and coleoptiles. There was no difference in Hpt gene expression between a single Hpt vector and the constructed vector in viability of rice in the hygromycin medium after DNA imbibition, The genomic DNA and total RNA extracted from rice transformant survived in the hygromycin medium were subjected to PCR and RT PCR analysis, respectively. As a result, we found the existence of the Hpt gene and its expression in rice.

  • PDF

The molecular pathophysiology of vascular anomalies: Genomic research

  • Kim, Jong Seong;Hwang, Su-Kyeong;Chung, Ho Yun
    • Archives of Plastic Surgery
    • /
    • v.47 no.3
    • /
    • pp.203-208
    • /
    • 2020
  • Vascular anomalies are congenital localized abnormalities that result from improper development and maintenance of the vasculature. The lesions of vascular anomalies vary in location, type, and clinical severity of the phenotype, and the current treatment options are often unsatisfactory. Most vascular anomalies are sporadic, but patterns of inheritance have been noted in some cases, making genetic analysis relevant. Developments in the field of genomics, including next-generation sequencing, have provided novel insights into the genetic and molecular pathophysiological mechanisms underlying vascular anomalies. These insights may pave the way for new approaches to molecular diagnosis and potential disease-specific therapies. This article provides an introduction to genetic testing for vascular anomalies and presents a brief summary of the etiology and genetics of vascular anomalies.

dsRNA Analysis and Sequence of S12 to Rice dwarf virus Korean Isolate

  • Lee, Bong-Choon;Kwak, Do-Yeon;Hong, Yeon-Kyu;Cho, Hyun-Je;Park, Sung-Tae;Kim, Soon-Chul
    • The Plant Pathology Journal
    • /
    • v.20 no.2
    • /
    • pp.155-157
    • /
    • 2004
  • We isolated Rice dwarf virus (RDV) from infected plants in rice fields (Korea, Japan, China, the Philippines and Nepal) and analyzed their genomic dsRNAs by polyacrylamide gel eletrophoresis. The genomic dsRNAs of the isolates showed distinct electrophoretic mobility profiles. The S12 coding to nonstructural protein of Korean isolate (RDV-Kr) was further analyzed by sequencing. The S12 of RDV-Kr was 1,066bp long and coded for a protein composed of 312 amino acids including three open reading frames of P12, P120Pa and P120Pb. The sequence identities were 96% and 98.6% with Japanese isolates (H, AN), 94.7% with Nepalese isolate (NEL), 94% with Chinese isolate (CK) and the Philippines isolate (P).

Detection of Mycoplasma gallisepticum using Polymerase Chain Reaction(PCR) (PCR 기법을 이용한 Mycoplasma gallisepticum의 검출)

  • Lee, Young-ju;Kim, Ki-seuk;Kim, Jong-wan;Tak, Ryun-bin
    • Korean Journal of Veterinary Research
    • /
    • v.39 no.1
    • /
    • pp.90-95
    • /
    • 1999
  • A species-specific 760 base pair(bp) BamHI to EcoRI DNA fragment(fMG-2) of lipoprotein gene was isolated from a Mycoplasma gallisepticum(M gallisepticum) genomic library. Based on the DNA sequence data of fMG-2, a pair of 25bp primers was synthesized. When used in the polymerase chain reaction(PCR), 732bp DNA products were amplified from 6 standard strains and 10 field isolates of M gallisepticum, but not from 2 Mycoplasma synoviae and 7 other Mycoplasma species. The lower detection limit was 100fg of the genomic DNA. Identity of the PCR products was confirmed by comparison of patterns of restriction endonuclease analysis with AseI, DraI, EcoRV and SspI.

  • PDF