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The international community has long recognized that desertifi cation is a major economic, social and environmental problem of concern to many countries in all regions of the world. The question of how to tackle desertifi cation was a major concern for the United Nations Conference on Environment and Development (UNCED), which was held in Rio de Janeiro in 1992. The Conference supported a new, ...
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As in most avian species jackdaw, Corvus monedula, groups are open for individuals to join or leave the flock. Within a year flocks show relatively high variations regarding spatial cohesion, party composition and party size but monogamous long-term pair bonds have been considered as the basis of jackdaw social structure. They can be regarded as representing valuable relationships in this speci...
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Sall4 is a mammalian Spalt transcription factor expressed by cells of the early embryo and germ cells, an expression pattern similar to that of both Oct4 and Sox2, which play essential roles during early murine development. We show that the activity of Sall4 is cell-autonomously required for the development of the epiblast and primitive endoderm from the inner cell mass. Furthermore, no embryon...
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We present an extension of the standard partition function approach to RNA secondary structures that computes the probabilities Pu[i, j] that a sequence interval [i, j] is unpaired. Comparison with experimental data shows that Pu[i, j] can be applied as a significant determinant of local target site accessibility for RNA interference (RNAi). Furthermore, these quantities can be used to rigorous...
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To facilitate research in comparative genomics, sequencing projects are increasingly aimed at assembling the genomes of closely related organisms. Given two incomplete assemblies of two related genomes, the question arises how to use the similarity of the two sequences to obtain a better ordering and orientation of both assemblies. In this paper, we formalize this question as the Optimal Synten...
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ژورنال
عنوان ژورنال: Nachrichten Aus Der Chemie
سال: 2023
ISSN: ['1868-0054', '1439-9598']
DOI: https://doi.org/10.1002/nadc.20234137934