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Invertebrate development is the major highlight of this sqadia.com medical video lecture. From shedding light on the gene regulatory network and role of egg polarity genes, our educator has also explicated wingless and hedgehog proteins. Additionally, pattern formation in Drosophila and Hox genes expression has been delineated. Furthermore, dorsal ventral patterning in conjunction with the Dpp and Sog genes have been brought under consideration.
Gene Regulatory Network
Initially, gene regulatory interactions along with the role of egg polarity genes have been deliberated. Moving further, role of gap genes and segmental pattern has been discussed in-detail. Moreover, wingless and hedgehog proteins have been shed light on. Conclusively, creation of a transient pattern and the expression of engrailed gene has been highlighted.
Pattern Formation in Drosophila
The prime focus of this section is on the pattern formation in drosophila. In the beginning of this section, homeotic selector genes and the phenomenon of modulated repetition has been brought under consideration. Furthermore, Hox genes patterning the A-P axis alongside the Hox proteins-segment individually have been mentioned. Then this section has been summed up by a debate on the Hox genes transcription control.
Hox Genes Expression
At the onset of this section, regulation of Hox genes together with the additional control of regulation has been delineated. In addition to this, permanent record of positional information has been discussed. Then this section has been concluded by talking about the trithorax and Polycomb group regulation.
Dorsal Ventral Patterning
Firstly, D-V egg polarity genes have been conversed about. Subsequently, gradient of transcription regulator dorsal has been expounded. Moreover, dorsal protein-morphogen along with the Dpp and Sog genes have been comprehensively elaborated.