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1“…We describe a new strategy for solving this problem and apply it to recently published data on early Drosophila melanogaster development. Our method is orders of magnitude faster than current fitting methods and allows us to fit different types of rules for expressing regulatory relationships. …”
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2por Becker, Kolja, Balsa-Canto, Eva, Cicin-Sain, Damjan, Hoermann, Astrid, Janssens, Hilde, Banga, Julio R., Jaeger, Johannes“…As a case study, we analyse expression of the gap genes Krüppel, knirps, and giant in Drosophila melanogaster. We use detailed, quantitative datasets of gap gene mRNA and protein expression to solve and fit a model of post-transcriptional regulation, and establish its structural and practical identifiability. …”
Publicado 2013
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3por Jaeger, Johannes“…Gap genes are involved in segment determination during the early development of the fruit fly Drosophila melanogaster as well as in other insects. This review attempts to synthesize the current knowledge of the gap gene network through a comprehensive survey of the experimental literature. …”
Publicado 2010
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4“…Here, we report evidence indicating that dorsal closure, a conserved morphogenetic process in dipterans, evolved as the consequence of rearrangements in epithelial organization rather than signaling regulation. In Drosophila melanogaster, dorsal closure consists of a two-tissue system where the contraction of extraembryonic amnioserosa and a JNK/Dpp-dependent epidermal actomyosin cable result in microtubule-dependent seaming of the epidermis. …”
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5por Janssens, Hilde, Crombach, Anton, Richard Wotton, Karl, Cicin-Sain, Damjan, Surkova, Svetlana, Lu Lim, Chea, Samsonova, Maria, Akam, Michael, Jaeger, Johannes“…Here, we present a quantitative characterisation of segmentation gene expression patterns in mutants of the terminal gap gene tailless (tll) in Drosophila melanogaster. Our analysis provides new insights into the dynamic mechanisms underlying gap gene regulation, and reveals significantly increased variability of gene expression in the mutant compared to the wild-type background. …”
Publicado 2013
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6“…Model organisms, such as Drosophila melanogaster, provide powerful experimental tools for the study of development. …”
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7por Wotton, Karl R, Jiménez-Guri, Eva, Crombach, Anton, Janssens, Hilde, Alcaine-Colet, Anna, Lemke, Steffen, Schmidt-Ott, Urs, Jaeger, Johannes“…Initiation and dynamics of gap gene expression differ markedly between M. abdita and Drosophila melanogaster, while the output of the system converges to equivalent patterns at the end of the blastoderm stage. …”
Publicado 2015
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8“…Model organisms, such as Drosophila melanogaster, allow us to address a wide range of biological questions with experimental rigour. …”
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9“…In the classic model organism Drosophila melanogaster and the nonmodel scuttle fly Megaselia abdita, early activation and placement of gap gene expression domains show significant quantitative differences, yet the final patterning output of the system is essentially identical in both species. …”
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10por Verd, Berta, Clark, Erik, Wotton, Karl R., Janssens, Hilde, Jiménez-Guri, Eva, Crombach, Anton, Jaeger, Johannes“…In contrast, long-germband insects, such as the vinegar fly Drosophila melanogaster, determine all segments simultaneously through a hierarchical cascade of gene regulation. …”
Publicado 2018
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11“…Gap genes are involved in segment determination during early development of the vinegar fly Drosophila melanogaster and other dipteran insects (flies, midges and mosquitoes). …”
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12“…Antero-posterior polarity of the embryo is established through systems of maternal morphogen gradients. In Drosophila melanogaster, the anterior system acts through opposing gradients of Bicoid (Bcd) and Caudal (Cad), while the posterior system involves Nanos (Nos) and Hunchback (Hb) protein. …”
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13“…Bone morphogenetic proteins (BMPs) play key roles in development. In Drosophila melanogaster, there are three BMP-encoding genes: decapentaplegic (dpp), glass bottom boat (gbb) and screw (scw). dpp and gbb are found in all groups of insects. …”
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14por Ashyraliyev, Maksat, Siggens, Ken, Janssens, Hilde, Blom, Joke, Akam, Michael, Jaeger, Johannes“…The early embryo of Drosophila melanogaster provides a powerful model system to study the role of genes in pattern formation. …”
Publicado 2009
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15por Jiménez-Guri, Eva, Huerta-Cepas, Jaime, Cozzuto, Luca, Wotton, Karl R, Kang, Hui, Himmelbauer, Heinz, Roma, Guglielmo, Gabaldón, Toni, Jaeger, Johannes“…These emerging models for comparative developmental studies close an important phylogenetic gap between Drosophila melanogaster and other insect model systems. In this paper, we provide a comparative analysis of early embryonic transcriptomes across species, and use our data for a phylogenomic re-evaluation of dipteran phylogenetic relationships. …”
Publicado 2013
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16por Cicin-Sain, Damjan, Pulido, Antonio Hermoso, Crombach, Anton, Wotton, Karl R., Jiménez-Guri, Eva, Taly, Jean-François, Roma, Guglielmo, Jaeger, Johannes“…The database currently includes data of high spatio-temporal resolution for three species: the vinegar fly Drosophila melanogaster, the scuttle fly Megaselia abdita and the moth midge Clogmia albipunctata. …”
Publicado 2014
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17“…We address this problem by studying dynamic morphogen interpretation by the gap gene network in Drosophila melanogaster. Gap genes are involved in segment determination during early embryogenesis. …”
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18por Crombach, Anton, Wotton, Karl R., Cicin-Sain, Damjan, Ashyraliyev, Maksat, Jaeger, Johannes“…Here, we address this challenge using a case study: the gap gene network involved in segment determination during early development of Drosophila melanogaster. A major problem for reverse-engineering pattern-forming networks is the significant amount of time and effort required to acquire and quantify spatial gene expression data. …”
Publicado 2012
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19por Janssens, Hilde, Siggens, Ken, Cicin-Sain, Damjan, Jiménez-Guri, Eva, Musy, Marco, Akam, Michael, Jaeger, Johannes“…Our data reveal differences in the dynamics of Hb boundary positioning and Eve stripe formation between C. albipunctata and Drosophila melanogaster. Despite these differences, the overall relative spatial arrangement of Hb and Eve domains is remarkably conserved between these two distantly related dipteran species. …”
Publicado 2014
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20“…They are core components of a signalling cascade that includes the BMP ligand decapentaplegic (DPP) and its antagonist short gastrulation (SOG) in Drosophila melanogaster. These components are very ancient, with orthologs involved in DV patterning in both protostomes and deuterostomes. …”
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