1,721,642 research outputs found
Hatwell, Herbert Edmond, 13124
No full textThis record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/391068Surname: HATWELL. Given Name(s) or Initials: HERBERT EDMOND. Military Service Number or Last Known Location: 13124. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 34082.207338
Item: [2016.0049.23361] "Hatwell, Herbert Edmond, 13124
Lightcurve and Rotation Period Determination for (13124) 1994 PS (26571) 2000 EN84, and (29934) 1999 JL46
No full textPhotometric observations of the main-belt asteroids (13124) 1994 PS, (26571) 2000 EN84, and (29934) 1999 JL46 were made from 2018 Jan 23 to Mar 9. Analysis determined the synodic rotational periods for (13124) 1994 PS, 8.147 ± 0.003 h; (26571) 2000 EN84, 4.105 ± 0.003 h; and (29934) 1999 JL46, 5.841 ± 0.001 h as the most likely solutions
Dataset of endogenized phage genes in Clostridium perfringens ATCC 13124
No full textThis work presents the set of
endogenized phage genes in Clostridium perfringens ATCC 13124. Original
data for the dataset was derived from annotated genome file of the microbe
downloaded from GenBank, which was parsed and searched by in-house MATLAB genome
analysis software. The dataset comprises gene name, gene function, and gene
sequence of each endogenized phage gene in the microbe. Overall, the data
should serve as useful starter for initiating understanding of why particular
phage genes remain endogenized in the host genome, and deciphering how
evolutionary forces and host transposase has reshaped endogenized phage genes. </p
Molecular identification of hyaluronate lyase, not hyaluronidase, as an intrinsic hyaluronan-degrading enzyme in Clostridium perfringens strain ATCC 13124
No full textClostridium perfringens, an opportunistic pathogen, produces mu-toxin hyaluronidases including endo-β-N-acetylglucosaminidases (Nags) as a virulence invasion factor. To clarify an intrinsic factor for degradation of host extracellular hyaluronan, we focused on hyaluronate lyase (HysA), distinct from endo-β-N-acetylglucosaminidases. C. perfringens strain ATCC 13124 was found to assimilate host-derived extracellular mucosubstances, hyaluronan and mucin, which induced expression of the hyaluronan-related genetic cluster, including hyaluronate lyase gene (hysA), but repressed endo-β-N-acetylglucosaminidase genes. This genetic cluster is conserved in some strains of C. perfringens. The recombinant strain ATCC 13124 hyaluronate lyase HysA showed an hyaluronan-degrading activity through β-elimination reaction. The hyaluronan-degrading enzyme in the culture supernatant of strain ATCC 13124 exhibited the lyase activity and was identical to the recombinant hyaluronate lyase on the native-PAGE gel, followed by activity straining. These results demonstrated that the intrinsic hyaluronan-degrading enzyme of C. perfringens strain ATCC 13124 is hyaluronate lyase HysA, but not hyaluronidases NagH, NagJ, and NagK.日和見病原性ウェルシュ菌のヒアルロン酸分解機構 --抗菌剤開発への展開 --. 京都大学プレスリリース. 2024-10-23
Molecular identification of hyaluronate lyase, not hyaluronidase, as an intrinsic hyaluronan-degrading enzyme in Clostridium perfringens strain ATCC 13124
Get PDF日和見病原性ウェルシュ菌のヒアルロン酸分解機構 --抗菌剤開発への展開 --. 京都大学プレスリリース. 2024-10-23.Clostridium perfringens, an opportunistic pathogen, produces mu-toxin hyaluronidases including endo-β-N-acetylglucosaminidases (Nags) as a virulence invasion factor. To clarify an intrinsic factor for degradation of host extracellular hyaluronan, we focused on hyaluronate lyase (HysA), distinct from endo-β-N-acetylglucosaminidases. C. perfringens strain ATCC 13124 was found to assimilate host-derived extracellular mucosubstances, hyaluronan and mucin, which induced expression of the hyaluronan-related genetic cluster, including hyaluronate lyase gene (hysA), but repressed endo-β-N-acetylglucosaminidase genes. This genetic cluster is conserved in some strains of C. perfringens. The recombinant strain ATCC 13124 hyaluronate lyase HysA showed an hyaluronan-degrading activity through β-elimination reaction. The hyaluronan-degrading enzyme in the culture supernatant of strain ATCC 13124 exhibited the lyase activity and was identical to the recombinant hyaluronate lyase on the native-PAGE gel, followed by activity straining. These results demonstrated that the intrinsic hyaluronan-degrading enzyme of C. perfringens strain ATCC 13124 is hyaluronate lyase HysA, but not hyaluronidases NagH, NagJ, and NagK
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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