• 제목/요약/키워드: Genome analysis

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Gene Microarray의 기본개념 (Basic Concept of Gene Microarray)

  • 황승용
    • 생물정신의학
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    • 제8권2호
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    • pp.203-207
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    • 2001
  • The genome sequencing project has generated and will continue to generate enormous amounts of sequence data including 5 eukaryotic and about 60 prokaryotic genomes. Given this ever-increasing amounts of sequence information, new strategies are necessary to efficiently pursue the next phase of the genome project-the elucidation of gene expression patterns and gene product function on a whole genome scale. In order to assign functional information to the genome sequence, DNA chip(or gene microarray) technology was developed to efficiently identify the differential expression pattern of independent biological samples. DNA chip provides a new tool for genome expression analysis that may revolutionize many aspects of biotechnology including new drug discovery and disease diagnostics.

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Hybrid Fungal Genome Annotation Pipeline Combining ab initio, Evidence-, and Homology-based gene model evaluation

  • Min, Byoungnam;Choi, In-Geol
    • 한국균학회소식:학술대회논문집
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    • 한국균학회 2018년도 춘계학술대회 및 임시총회
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    • pp.22-22
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    • 2018
  • Fungal genome sequencing and assembly have been trivial in these days. Genome analysis relies on high quality of gene prediction and annotation. Automatic fungal genome annotation pipeline is essential for handling genomic sequence data accumulated exponentially. However, building an automatic annotation procedure for fungal genomes is not an easy task. FunGAP (Fungal Genome Annotation Pipeline) is developed for precise and accurate prediction of gene models from any fungal genome assembly. To make high-quality gene models, this pipeline employs multiple gene prediction programs encompassing ab initio, evidence-, and homology-based evaluation. FunGAP aims to evaluate all predicted genes by filtering gene models. To make a successful filtering guide for removal of false-positive genes, we used a scoring function that seeks for a consensus by estimating each gene model based on homology to the known proteins or domains. FunGAP is freely available for non-commercial users at the GitHub site (https://github.com/CompSynBioLab-KoreaUniv/FunGAP).

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The complete plastid genome of Scopolia parviflora (Dunn.) Nakai (Solanaceae)

  • Park, Jin Hee;Lee, Jungho
    • 식물분류학회지
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    • 제46권1호
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    • pp.60-64
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    • 2016
  • Scopolia parviflora of the family Solanaceae is an endemic species of Korea and a traditional Korean medicinal plant. The plastid genome was sequenced by next-generation sequencing (NGS) method. The characterized cp genome is 156,193 bp in size; the large single-copy (LSC) region is 86,364 bp, the inverted repeat (IR) is 25,905 bp, and the small single copy (SSC) region is 18,019 bp. The overall GC content of the plastid genome amounts to 37.61%. The cp genome contains 113 genes and 21 introns, including 80 proteincoding genes, four RNA genes, 30 tRNA genes, 20 group II introns, and one group I intron. A phylogenetic analysis showed that Scopolia parviflora was closely related to Hyoscyamus niger.

Estimation of nuclear DNA content of various bamboo and rattan species

  • Kumar, Prakash P.;Turner, Ian M.;Rao, A. Nagaraja;Arumuganathan, K.
    • Plant Biotechnology Reports
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    • 제5권4호
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    • pp.317-322
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    • 2011
  • We determined the nuclear DNA content (genome size) of over 35 accessions each of bamboo and rattan species from Southeast Asia. The 2C DNA per nucleus was quantified by flow cytometry. The fluorescence of nuclei isolated from the leaves and stained with propidium iodide was measured. The genome size of the bamboo species examined was between 2.5 and 5.9 pg DNA per 2C nucleus. The genome size of the rattan species examined ranged from 1.8 to 10.5 pg DNA per 2C nucleus. This information will be useful for scientists working in diverse areas of plant biology such as biotechnology, biodiversity, genome analysis, plant breeding, physiology and molecular biology. Such data may be utilized to attempt to correlate the genome size with the ploidy status of bamboo species in cases where ploidy status has been reported.

Genome-Wide Comparison of Carbohydrate-Active Enzymes (CAZymes) Repertoire of Flammulina ononidis

  • Park, Young-Jin;Kong, Won-Sik
    • Mycobiology
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    • 제46권4호
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    • pp.349-360
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    • 2018
  • Whole-genome sequencing of Flammulina ononidis, a wood-rotting basidiomycete, was performed to identify genes associated with carbohydrate-active enzymes (CAZymes). A total of 12,586 gene structures with an average length of 2009 bp were predicted by the AUGUSTUS tool from a total 35,524,258 bp length of de novo genome assembly (49.76% GC). Orthologous analysis with other fungal species revealed that 7051 groups contained at least one F. ononidis gene. In addition, 11,252 (89.5%) of 12,586 genes for F. ononidis proteins had orthologs among the Dikarya, and F. ononidis contained 8 species-specific genes, of which 5 genes were paralogous. CAZyme prediction revealed 524 CAZyme genes, including 228 for glycoside hydrolases, 21 for polysaccharide lyases, 87 for glycosyltransferases, 61 for carbohydrate esterases, 87 with auxiliary activities, and 40 for carbohydrate-binding modules in the F. ononidis genome. This genome information including CAZyme repertoire will be useful to understand lignocellulolytic machinery of this white rot fungus F. ononidis.

Complete genome and two plasmids sequences of Lactiplantibacillus plantarum L55 for probiotic potentials

  • Bogun Kim;Kiyeop Kim;Xiaoyue Xu;Hyunju Lee;Duleepa Pathiraja;Dong-June Park;In-Geol Choi;Sejong Oh
    • Journal of Animal Science and Technology
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    • 제65권6호
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    • pp.1341-1344
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    • 2023
  • In this study, we report the complete genome sequence of Lactiplantibacillus plantarum L55, a probiotic strain of lactic acid bacteria isolated from kimchi. The genome consists of one circular chromosome (2,077,416 base pair [bp]) with a guanine cytosine (GC) content of 44.5%, and two circular plasmid sequences (54,267 and 19,592 bp, respectively). We also conducted a comprehensive analysis of the genome, which identified the presence of functional genes, genomic islands, and antibiotic-resistance genes. The genome sequence data presented in this study provide insights into the genetic basis of L. plantarum L55, which could be beneficial for the future development of probiotic applications.

Complete Genome Sequence of Escherichia coli - Specific Phage KFS-EC1 Isolated from a Slaughterhouse

  • Su-Hyeon Kim;Mi-Kyung Park
    • 한국미생물·생명공학회지
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    • 제51권4호
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    • pp.562-565
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    • 2023
  • Escherichia coli-specific phage, KFS-EC1, was isolated and purified from a slaughterhouse. The complete genome of the phage was obtained using Illumina MiSeq platforms. Its assembled genome consisted of a single chromosome of 164,715 bp with a GC content of 40.5%. The phage genome contained 170 hypothetical and 101 functional ORFs, and exhibited orthologous average nucleotide identity values of >95% with other E. coli phages belonging to the family Straboviridae. Additionally, phylogenetic analysis revealed that KFS-EC1 was finally classified into the family Straboviridae of the genus Caudoviricetes. The genome has been deposited in GenBank under the accession number NC_055757.1.

Complete Genome Sequence of Bacillus subtilis NIB353 Isolated from Nuruk

  • Jeong-Ah Yoon;Se-Young Kwun;Eun-Hee Park;Myoung-Dong Kim
    • 한국미생물·생명공학회지
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    • 제51권3호
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    • pp.289-292
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    • 2023
  • Thermotolerant Bacillus subtilis NIB353 was isolated from Nuruk, a traditional Korean fermentation starter. The complete B. subtilis NIB353 genome sequence was obtained using MinION and Illumina (MiSeq) platforms. The B. subtilis NIB353 genome sequence was 4,247,447 bp with a GC content of 43%. The B. subtilis NIB353 strain exhibited orthologous average nucleotide identity values of 98.39% and 98.38% with B. subtilis 168 and B. subtilis ATCC6051a, respectively. The genome has been deposited in GenBank under the accession number NZ_CP089148.1.

Complete Genomic Characterization of Two Beet Soil-Borne Virus Isolates from Turkey: Implications of Comparative Analysis of Genome Sequences

  • Moradi, Zohreh;Maghdoori, Hossein;Nazifi, Ehsan;Mehrvar, Mohsen
    • The Plant Pathology Journal
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    • 제37권2호
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    • pp.152-161
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    • 2021
  • Sugar beet (Beta vulgaris L.) is known as a key product for agriculture in several countries across the world. Beet soil-borne virus (BSBV) triggers substantial economic damages to sugar beet by reducing the quantity of the yield and quality of the beet sugars. We conducted the present study to report the complete genome sequences of two BSBV isolates in Turkey for the first time. The genome organization was identical to those previously established BSBV isolates. The tripartite genome of BSBV-TR1 and -TR3 comprised a 5,835-nucleotide (nt) RNA1, a 3,454-nt RNA2, and a 3,005-nt RNA3 segment. According to sequence identity analyses, Turkish isolates were most closely related to the BSBV isolate reported from Iran (97.83-98.77% nt identity). The BSBV isolates worldwide (n = 9) were phylogenetically classified into five (RNA-coat protein read through gene [CPRT], TGB1, and TGB2 segments), four (RNA-rep), or three (TGB3) lineages. In genetic analysis, the TGB3 revealed more genetic variability (Pi = 0.034) compared with other regions. Population selection analysis revealed that most of the codons were generally under negative selection or neutral evolution in the BSBV isolates studied. However, positive selection was detected at codon 135 in the TGB1, which could be an adaptation in order to facilitate the movement and overcome the host plant resistance genes. We expect that the information on genome properties and genetic variability of BSBV, particularly in TGB3, TGB1, and CPRT genes, assist in developing effective control measures in order to prevent severe losses and make amendments in management strategies.

Generation of Whole-Genome Sequencing Data for Comparing Primary and Castration-Resistant Prostate Cancer

  • Park, Jong-Lyul;Kim, Seon-Kyu;Kim, Jeong-Hwan;Yun, Seok Joong;Kim, Wun-Jae;Kim, Won Tae;Jeong, Pildu;Kang, Ho Won;Kim, Seon-Young
    • Genomics & Informatics
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    • 제16권3호
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    • pp.71-74
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    • 2018
  • Because castration-resistant prostate cancer (CRPC) does not respond to androgen deprivation therapy and has a very poor prognosis, it is critical to identify a prognostic indicator for predicting high-risk patients who will develop CRPC. Here, we report a dataset of whole genomes from four pairs of primary prostate cancer (PC) and CRPC samples. The analysis of the paired PC and CRPC samples in the whole-genome data showed that the average number of somatic mutations per patients was 7,927 in CRPC tissues compared with primary PC tissues (range, 1,691 to 21,705). Our whole-genome sequencing data of primary PC and CRPC may be useful for understanding the genomic changes and molecular mechanisms that occur during the progression from PC to CRPC.