We noted you are experiencing viewing problems
- 
        
        Check with your IT department that JWPlatform, JWPlayer and Amazon AWS & CloudFront are not being blocked by your network. The relevant domains are *.jwplatform.com, *.jwpsrv.com, *.jwpcdn.com, jwpltx.com, jwpsrv.a.ssl.fastly.net, *.amazonaws.com and *.cloudfront.net. The relevant ports are 80 and 443.
- 
        
        Check the following talk links to see which ones work correctly:
 Auto Mode
 HTTP Progressive Download Send us your results from the above test links at access@hstalks.com and we will contact you with further advice on troubleshooting your viewing problems.
- 
        
        No luck yet? More tips for troubleshooting viewing issues
- 
        
        Contact HST Support access@hstalks.com
- 
        Please review our troubleshooting guide for tips and advice on resolving your viewing problems.
- 
        For additional help, please don't hesitate to contact HST support access@hstalks.com
We hope you have enjoyed this limited-length demo
                    
                    This is a limited length demo talk; you may
                    
                      login or
                    
                    review methods of
                    obtaining more access.
                  
                
                
              - Introduction
- 
                                
                                1. Drosophila genetics - the first 25 years- Prof. Dan Lindsley
 
- Establishment of the Primary Body Axes
- 
                                
                                2. Homeotic genes in Drosophila's bithorax complex - The legacy of Ed Lewis- Prof. Francois Karch
 
- Cell Type Specification and Organ Systems
- 
                                
                                4. From germ cell specification to gonad formation- Prof. Ruth Lehmann
 
- 
                                
                                5. Legacy of drosophila genetics: female germline stem cells- Prof. Michael Buszczak
 
- 
                                
                                6. Intestinal stem cell-mediated repair in Drosophila 1- Prof. Tony Ip
 
- 
                                
                                7. Intestinal stem cell-mediated repair in Drosophila 2- Prof. Tony Ip
 
- 
                                
                                9. Axon guidance in Drosophila- Prof. John Thomas
 
- 
                                
                                10. Development and physiology of the heart- Prof. Rolf Bodmer
 
- 
                                
                                11. Identification of host defenses in the Drosophila gut using genome-scale RNAi- Prof. Dominique Ferrandon
 
- Genome Organization and Function
- 
                                
                                12. The genetic analysis of meiosis in Drosophila melanogaster females- Prof. R. Scott Hawley
 
- 
                                
                                14. Dorsal-ventral patterning of the Drosophila embryo- Prof. Mike Levine
 
- 
                                
                                16. Genome-wide pooled CRISPR screen in arthropod cells- Prof. Norbert Perrimon
 
- Behavior
- 
                                
                                17. The development of the peripheral nervous system in the fruitfly Drosophila- Prof. Hugo J. Bellen
 
- 
                                
                                18. TRP channels and opsins: universal mediators of sensory biology and behavior- Prof. Craig Montell
 
- 
                                
                                19. Cracking the case of circadian rhythms by Drosophila genetics- Prof. Jeffrey C. Hall
 
- 
                                
                                20. Sleep in Drosophila- Dr. Ralph Greenspan
 
- Mechanism of Human Disease
- 
                                
                                22. Human neurodegenerative disease: insights from Drosophila genetics- Prof. Nancy Bonini
 
- 
                                
                                23. Rac-enhanced CAR immunotherapy: RaceCAR- Prof. Denise Montell
 
- Evolution of Adaptive Novelties
- 
                                
                                25. The evolution of morphological novelty- Prof. Nipam Patel
 
- 
                                
                                26. The genetic architecture of complex traits: lessons from Drosophila- Prof. Trudy Mackay
 
- Archived Lectures *These may not cover the latest advances in the field
- 
                                
                                27. Using gene expression information to provide insights into patterning and differentiation- Prof. Angelike Stathopoulos
 
- 
                                
                                28. Regulation of gastrulation in Drosophila- Prof. Dr. Maria Leptin
 
- 
                                
                                29. microRNA function in stem cells- Prof. Hannele Ruohola-Baker
 
- 
                                
                                30. Drosophila stem cells- Prof. Michael Buszczak
 
- 
                                
                                31. Genetics of chemosensory transduction: taste and smell- Dr. Leslie Vosshall
 
- 
                                
                                32. Drosophila as a model for drug addiction- Prof. Ulrike Heberlein
 
- 
                                
                                33. Cross-genomic analysis of human disease genes- Prof. Ethan Bier
 
- 
                                
                                34. Metastasis of Drosophila tumors- Prof. Allen Shearn
 
Printable Handouts
Navigable Slide Index
- Introduction
- Stem cells undergo asymmetric self-renewing
- Why stem cells are important
- Stem cells in Drosophila
- Cell types in the Drosophila ovary
- Markers expressed in specific cell types
- Lineage tracing (1)
- Lineage tracing (2)
- Lineage tracing (3)
- Stem cell niche
- Expanded niche expand stem cell population
- The GAL4/UAS system of gene expression
- Overexpression of dpp expands GSC population
- Dpp pathway in Drosophila
- GSC loss in dpp pathway mutants
- Clonal analysis in Drosophila
- Downstream components of dpp pathway
- Model for Dpp regulation of GSCs
- Lost GSCs are replaced
- Cell types in the Drosophila testis
- upd is expressed in Hub
- Jak/Stat pathway in Drosophila
- Disruption of Jak/Stat results in GSC loss
- Over-expression of upd
- Model of testis niche
- Niche maintains GSC
- Can cysts revert back to stem cells? (1)
- Can cysts revert back to stem cells? (2)
- Stat mutant cells exhibit precocious development
- Differentiated cysts breakdown and repopulation
- Niches maintain GSCs and drive dedifferentiation
- Do stem cells signal back to niche?
- Notch Delta signaling pathway
- Activation of Notch pathways
- Loss of Notch signaling leads to loss of GSCs
- Drosophila digestive tract
- Clonal analysis
- Midgut has multipotent stem cells
- Notch signaling drives differentiation in midgut
- Silencing of differentiation factors in stem cells
- Expression of nuclear proteins in stem cells
- scny shares homology with yeast and USPs
- scny mutant cells display elevated H3mK4 levels
- scny mutants exhibit chromatin changes
- scny mutants exhibit stem cell loss in ovary (1)
- scny mutants exhibit stem cell loss in ovary (2)
- scny functions in follicle stem cells
- Cell lineage in the Drosophila adult midgut
- DAPT blocks Notch activity in midgut
- DAPT suppresses stem cell loss in scny midguts
- Model for SCNY function in stem cells
- Take home messages
- Acknowledgments
- References for specific images
Topics Covered
- Lineage tracing
- Stem cell niches
- Germline stem cell niche in ovary
- Germline stem cell niche in testis
- Dedifferentiation
- Stem cell signaling back to the niche
- Intestinal stem cells
- Stem cell chromatin
Talk Citation
Buszczak, M. (2008, September 29). Drosophila stem cells [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved October 31, 2025, from https://doi.org/10.69645/DFLN2727.Export Citation (RIS)
Publication History
Financial Disclosures
- Prof. Michael Buszczak has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
 
       
    

































 
                    
                     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
     
        
      
    