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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Prpic, Nikola-Michael Schoppmeier, Michael Damen, Wim G. M. |
| Description | Country affiliation: Germany Author Affiliation: Prpic NM ( Institute for Genetics, Evolutionary Genetics, University of Cologne, 50674 Köln, Germany.) |
| Abstract | INTRODUCTIONThe spider Cupiennius salei, commonly known as the American wandering spider, is particularly useful for embryological studies because of the availability of tools to study and manipulate its embryonic development. Cupiennius is used to study axis formation, segmentation, appendage development, neurogenesis, and silk production. These studies contribute to our understanding of the evolution of these processes, but they also help us to understand the origin and diversification of evolutionary novelties. Comparisons between spiders and insects can show the degree of conservation and divergence of developmental mechanisms during arthropod evolution. Any embryological feature conserved between spiders and insects is likely to represent an ancestral feature for arthropods. Comparative molecular embryological work in insects and spiders should eventually allow us to define a molecular archetype for the phylum Arthropoda. This will be a necessary cornerstone for comparing the different metazoan phyla, including chordates. This protocol describes the detection of proliferating cells in whole-mount Cupiennius embryos. When labeled nucleotides are introduced into mitotically dividing cells, these cells incorporate the labels into the newly synthesized DNA. Thus, only cells that have synthesized DNA after the addition of the label will be detected. This protocol uses 5-bromo-2'-deoxy-uridine (BrdU) as a label that is subsequently detected by immunocytochemistry. BrdU labeling is a relatively easy way to detect cells that have recently synthesized DNA. The main advantage of this technique is that the label accumulates over time and, by varying the incubation time before fixation, an increasingly cumulative picture of cell proliferation activity can be obtained. |
| File Format | HTM / HTML |
| ISSN | 19403402 |
| Journal | Cold Spring Harbor Protocols |
| Volume Number | 2008 |
| e-ISSN | 15596095 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2008-10-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Clinical Laboratory Techniques |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry, Genetics and Molecular Biology |
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