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        Biphasic Study to Characterize Agricultural Biogas Plants by High- Throughput 16S rRNA Gene Amplicon Sequencing and Microscopic Analysis

        ( Irena Maus ),( Yong Sung Kim ),( Daniel Wibberg ),( Yvonne Stolze ),( Sandra Off ),( Sebastian Antonczyk ),( Alfred Puhler ),( Paul Scherer ),( Andreas Schluter ) 한국미생물 · 생명공학회 2017 Journal of microbiology and biotechnology Vol.27 No.2

        Process surveillance within agricultural biogas plants (BGPs) was concurrently studied by highthroughput 16S rRNA gene amplicon sequencing and an optimized quantitative microscopic fingerprinting (QMF) technique. In contrast to 16S rRNA gene amplicons, digitalized microscopy is a rapid and cost-effective method that facilitates enumeration and morphological differentiation of the most significant groups of methanogens regarding their shape and characteristic autofluorescent factor 420. Moreover, the fluorescence signal mirrors cell vitality. In this study, four different BGPs were investigated. The results indicated stable process performance in the mesophilic BGPs and in the thermophilic reactor. Bacterial subcommunity characterization revealed significant differences between the four BGPs. Most remarkably, the genera Defluviitoga and Halocella dominated the thermophilic bacterial subcommunity, whereas members of another taxon, Syntrophaceticus, were found to be abundant in the mesophilic BGP. The domain Archaea was dominated by the genus Methanoculleus in all four BGPs, followed by Methanosaeta in BGP1 and BGP3. In contrast, Methanothermobacter members were highly abundant in the thermophilic BGP4. Furthermore, a high consistency between the sequencing approach and the QMF method was shown, especially for the thermophilic BGP. The differences elucidated that using this biphasic approach for mesophilic BGPs provided novel insights regarding disaggregated single cells of Methanosarcina and Methanosaeta species. Both dominated the archaeal subcommunity and replaced coccoid Methanoculleus members belonging to the same group of Methanomicrobiales that have been frequently observed in similar BGPs. This work demonstrates that combining QMF and 16S rRNA gene amplicon sequencing is a complementary strategy to describe archaeal community structures within biogas processes.

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        SHARE OF WOMEN IN PARLIAMENT AND HEALTH AND EDUCATION OUTCOMES

        NABAMITA DUTTA,HALEY MAUS 중앙대학교 경제연구소 2021 Journal of Economic Development Vol.46 No.3

        Research has shown that increased political representation for minority groups can lead to positive outcomes for the same whether it be women, ethnic or religious groups. Building on such studies, our results show that greater share of women in parliament leads to better health and education outcomes for countries. In concurrence with existing studies, this can be plausible as women, being a minority group in terms of political representation, may care about health and education benefits of women in general. Further, in sync with findings of existing literature that show women being less corrupt than men or having different systematic preferences compared to males, greater share of women in parliament can mean more efficient utilization of funds and, thus, enhanced health and education outcomes for everyone. Robust identification strategies have been established to handle causality concerns Research has shown that increased political representation for minority groups can lead to positive outcomes for the same whether it be women, ethnic or religious groups. Building on such studies, our results show that greater share of women in parliament leads to better health and education outcomes for countries. In concurrence with existing studies, this can be plausible as women, being a minority group in terms of political representation, may care about health and education benefits of women in general. Further, in sync with findings of existing literature that show women being less corrupt than men or having different systematic preferences compared to males, greater share of women in parliament can mean more efficient utilization of funds and, thus, enhanced health and education outcomes for everyone. Robust identification strategies have been established to handle causality concerns.

      • Automatic Management of Large Images Databases

        Martin Klinkigt,Heiko Maus,Koichi Kise,Andreas Dengel 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-

        With an increasing amount of images a user would like to keep and share the desire for an adequate management for these images raises. The normal folder structure which is available on nowadays computers can fulfill this task only non satisfying. Often an image contains more individual information than can be expressed by a hierarchical tree. We introduce annotation techniques to support the user in this organization. Furthermore, we analyze how a computer system could do this organization automatically to keep the amount of work for the user as low as possible.

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