1,721,050 research outputs found
From flower to fruit in the heat - Reproductive thermotolerance in tomato and its wild relatives
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187212.pdf (Publisher’s version ) (Open Access)Radboud University, 28 maart 2018Promotor : Mariani, C. Co-promotor : Rieu, I.190 p
Genetics and Physiology of Pollen Thermotolerance in Tomato
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160779.pdf (Publisher’s version ) (Open Access)Radboud University, 23 november 2016Promotor : Mariani, C. Co-promotor : Rieu, I.157 p
Heat stress transcription factors in anthers. Their role in protecting tapetal cells and pollen from heat
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148917.pdf (Publisher’s version ) (Open Access)Radboud Universiteit Nijmegen, 08 december 2015Promotor : Mariani, C. Co-promotor : Rieu, I.137 p
Tomato anther and pollen development under high temperature
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178391.pdf (Publisher’s version ) (Open Access)Radboud University, 09 november 2017Promotor : Mariani, C. Co-promotor : Rieu, I.161 p
A molecular and physiological analysis of flooding-induced adventitious root growth in Solanum dulcamara
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112260.pdf (Publisher’s version ) (Open Access)
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Supplemental_Table_3.pdf (Publisher’s version ) (Open Access)
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TDF_hit_list.pdf (Publisher’s version ) (Open Access)Radboud Universiteit Nijmegen, 16 oktober 2013Promotor : Mariani, C. Co-promotores : Visser, E.J.W., Rieu, I.204 p
Hormone Signaling in Adventitious Root Formation in Solanum dulcamara
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178612.pdf (Publisher’s version ) (Open Access)Plants are constantly subjected to environmental stresses, among which flooding is one of the most severe due to its increasing occurrence and the increasingly large area affected. Flooding causes devastating damage to global agricultural production. Therefore, it is of great practical significance to understand plant response to flooding, with the hope to provide useful insights for breeders and maintain crop performance under less predictable climatic conditions.
Adventitious root (AR) formation is a characteristic adaptation to flooding. These de-novo formed roots can sustain plants with nutrients, water and oxygen supply, therefore enabling them to survive under flooding. In this thesis, we build hormonal signaling models which regulate AR formation under two different water regimes, partial and complete submergence in Solanum dulcamara. Evidences from both physiological and molecular analysis revealed that ethylene and abscisic acid (ABA) are antagonistically involved in the biological processes related partial-flooding induced AR formation. ABA INSENSITIVE5 (ABI5), a core transcription factor in ABA signaling pathway, was found to negatively modulate AR outgrowth, possibly by mediating plants’ hypoxia response. Auxin presence and proper signaling are necessary for AR outgrowth in both partially and completely submerged S. dulcamara plants.
Overall, These results provides novel insights to understand plant responses to environmental factors.Radboud University, 27 november 2017Promotor : Mariani, C. Co-promotores : Rieu, I., Visser, E.J.W.179 p
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
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