UNSW Embryology
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Molecular Development-
MyoD1
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Embryology Home
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Page
Links Introduction
References About
Notes
Other pages: | Molecular
Development | Axes Development
| Neural Axes | Limb Axes
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Back to Molecular
Development
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Introduction
Within the somite expression of MyoD in
the dorsomedial quadrant of patterns these
cells to be muscle. MyoD is a basic
helix-loop-helix type of transcription
factor that binds DNA as a dimer with
other bHLH proteins (eg ITF-2). Its
actions are inhibited by binding with
ID.
- from myotome
- dorsomedial quarter- epaxial
myotome
- dorsal epimere (erector
spinae)
- dorsolateral quarter- hypaxial
myotome
- ventral hypomere (3 primary
muscle layers)
- different at neck, thorax and
abdomen
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Lecture
Notes
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Please note that these notes only relate to the
Anat 3311 Course. This section is not completely
available, as I have been unable to transfer all my
Lecture notes and research material in time for the
deadline. This will be available in later
versions.
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Early Development
Lecture
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Simple pictures illustrating the early events of
fertilization.
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Spinal Cord
Development
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Figures and text relating to early events of
spinal cord formation.
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Sex
Determination
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Text relating to the molecular events of sex
determination in the embryo.
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Polarity
Concepts
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A short comparison of establishing positional
information in embryos.
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Antennapedia
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The fly mutation that opened the field of Hox
Genes and the conservation of pattern formation
control mechanisms between species in embryonic
development.
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External WWW Search
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About Notes
- Notes from the Embryology Program compiled and
written by Dr Mark Hill. This updated section of notes is
still being developed Mar2000 and is not yet
complete.
- Note that reference lists are only relevant to the
date of the original search.
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m.hill@unsw.edu.au
Date Last Modified: 19/3/99
This site maintained by Dr M. Hill
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