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Current Challenges in Bacterial Transcriptomics
조수형,조유복,이수인,김자영,염혜지,김선창,조병관 한국유전체학회 2013 Genomics & informatics Vol.11 No.2
Over the past decade or so, dramatic developments in our ability to experimentally determine the content and function of genomes have taken place. In particular, next-generation sequencing technologies are now inspiring a new understanding of bacterial transcriptomes on a global scale. In bacterial cells, whole-transcriptome studies have not received attention, owing to the general view that bacterial genomes are simple. However, several recent RNA sequencing results are revealing unexpected levels of complexity in bacterial transcriptomes, indicating that the transcribed regions of genomes are much larger and complex than previously anticipated. In particular, these data show a wide array of small RNAs, antisense RNAs,and alternative transcripts. Here, we review how current transcriptomics are now revolutionizing our understanding of the complexity and regulation of bacterial transcriptomes.
DNA 분석을 통한 백제 葬法의 연구-완주 은하리 고분 출토 인골의 예 -
이준정,김종일,최철희,한영희,이세민,조유복,하대룡,김상인,김승옥,이승태 한국고고학회 2006 한국고고학보 Vol.61 No.-
Using an interdisciplinary approach which draws upon the disciplines of archaeology, physical anthropology, molecular biology and bio-informatics, analysis has been carried out on four human skeletons found within a stone chamber tomb from Eunha-ri, in Wanju, which dates to the Baekje period (sixth century A.D.). As a result, it was possible to identify the sex, age and familial relationship of the skeletons, as well as the burial sequence and the repositioning of bodies following subsequent interments, all of which shed light on the nature of mortuary practices taking place at this tomb which appears to have been used by the regional Baekje elite. Two males and two females were collectively buried in the Eunha-ri stone chamber tomb, with a male (No. 4) being interred first, followed by a female (No. 3) at a later date, and then another female (No. 2). The other male (No. 1) appears to have been interred at a certain point in time before Female No. 2. The bodies were originally laid to rest in the center of the burial chamber, but then were moved to the sides of the burial chamber following subsequent inhumations. As a result, certain parts of each skeleton were found out of their 'correct' anatomical position. The result of the mitochondrial DNA analysis, which was carried out on each skeleton, indicates that Female No. 2 and Male No. 4 were related to each other in the matrilineal line. In contrast, no matrilineal relationship could be identified between the other male (No. 1) and female (No. 3), or between these and the other two individuals. Considering their age, the sequence in which they were buried and what we know of Baekje society, it appears highly likely that the four individuals buried at different times in the Eunha-ri stone chamber tomb consisted of a brother (No. 4), a sister (No. 2) and their respective spouses (No. 1 and No. 3). This result therefore provides crucial information which allows a better understanding of the mortuary practices and kinship system of Baekje society in the sixth century A.D.