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Lactuca sativa subsp. seed
No full text<i>4.5.1. Lactuca sativa seed bioassay</i> <p> <i>Lactuca sativa</i> L. var. <i>capitata</i> ‘Attrakcio´’ (R´edei Kertimag, Hungary) seeds were washed twice with DW and were placed into Petri dishes (90 × 15 mm) containing filter paper (ø 75 mm, VWR, Hungary) (5 seeds in all Petri dishes). Dilution series of the isolated compounds were made in the concentration range of 1.0–100 μM by DW. The seeds were treated with 1.9 mL amounts of these solutions for 5 days at room temperature on natural light (the control was treated with DW). The length of the root and the hypocotyl was then measured by the software ImageJ (NIH, USA) using the screened pictures of the seedlings.</p>Published as part of <i>Berek-Nagy, Peter Janos, Gergo Toth, Szilvia Bosze, Lilla Borbala Horvath, Andras Darcsi, Sandor Csikos, Daniel G. Knapp, Gabor M. Kovacs & Imre Boldizsar, 2021, The grass root endophytic fungus Flavomyces fulophazii: An abundant source of tetramic acid and chlorinated azaphilone derivatives, pp. 1-11 in Phytochemistry (112851) (112851) 190</i> on page 9, DOI: 10.1016/j.phytochem.2021.112851, <a href="http://zenodo.org/record/8273100">http://zenodo.org/record/8273100</a>
Lactuca sativa subsp. seed
No full text2.3. Activity of isolated compounds on the seed germination of Lactuca sativa and on the growth of Lemna minor plants Metabolites of endophytic fungi can protect the host plants against various classes of pests (like pathogenic fungi, parasitic nematodes, herbivorous insects, etc.) thus, indirectly promoting plant growth (Li and Strobel, 2001; Schwarz et al., 2004; Schardl et al., 2007). Some volatile organic compounds were also confirmed as enhancers of plant development, affecting directly the plants (Berthelot et al., 2016). However, several endophytic metabolites have been shown to be phytotoxic, inhibiting growth of the plants (Choi et al., 2004) and their seedlings (Rivero-Cruz et al., 2003; García-M´endez et al., 2016; Wang et al., 2020). To test the effects of our isolated metabolites on plants, two standardized assays, i.e., the Lactuca sativa seed germination- and the Lemna minor growth test, both having international recommendations, were performed (Priac et al., 2017; Vanhoutte et al., 2017). Neither the seed germination nor the reproduction and leaf development were affected by the metabolites of F. fulophazii, suggesting their no direct effects on plants (Supplementary Figs. S9 and S10).Published as part of Berek-Nagy, Peter Janos, Gergo Toth, Szilvia Bosze, Lilla Borbala Horvath, Andras Darcsi, Sandor Csikos, Daniel G. Knapp, Gabor M. Kovacs & Imre Boldizsar, 2021, The grass root endophytic fungus Flavomyces fulophazii: An abundant source of tetramic acid and chlorinated azaphilone derivatives, pp. 1-11 in Phytochemistry (112851) (112851) 190 on pages 7-8, DOI: 10.1016/j.phytochem.2021.112851, http://zenodo.org/record/827310
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
Lemna minor subsp. bioassay
No full text4.5.2. Lemna minor bioassay Lemna minor L. (clone 9441) was cultured during stock cultivation in a light chamber (16 h light exposure) at 24 ◦ C on a liquid medium (Appenroth et al., 1996). The medium was changed every 14 days. Two weeks prior to the tests, fronds were transferred into Steinberg medium to acclimate and the medium was changed after 7 days (Naumann et al., 2007). Dilution series of the isolated compounds were made in the concentration range of 1.0–100 μM by Steinberg medium. The fronds were treated with 1.9 mL amounts of these solutions in 24-well plates for 7 days (in a light chamber, 16 h light exposure) at 24 ◦ C (the control was grown on Steinberg medium). Fronds were then counted and the total leaf area in each well was measured by the software ImageJ using the screened pictures of the plates (Schneider et al., 2012). Statistical analyses of the Lactuca sativa and Lemna minor bioassays were conducted by Prism v.8.0.1 (GraphPad, USA). The normality of the datasets was tested by Shapiro-Wilk test. In case of normality, one-way ANOVA was performed. When data did not exhibit normality, KruskalWallis test was carried out. To compare the treatments with the control, we used Dunett and Dunn post hoc tests, respectively at α = 0.05.Published as part of Berek-Nagy, Peter Janos, Gergo Toth, Szilvia Bosze, Lilla Borbala Horvath, Andras Darcsi, Sandor Csikos, Daniel G. Knapp, Gabor M. Kovacs & Imre Boldizsar, 2021, The grass root endophytic fungus Flavomyces fulophazii: An abundant source of tetramic acid and chlorinated azaphilone derivatives, pp. 1-11 in Phytochemistry (112851) (112851) 190 on page 9, DOI: 10.1016/j.phytochem.2021.112851, http://zenodo.org/record/827310
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
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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