Wed . 18 Nov 2018

Hilde Mangold

hilde mangold, hilde mangold nobel prize
Hilde Mangold 20 October 1898 – 4 September 1924 née Proescholdt was a German embryologist who was best known for her 1923 dissertation which was the foundation for her mentor, Hans Spemann's, 1935 Nobel Prize in Physiology or Medicine for the discovery of the embryonic organizer,[1] "one of the very few doctoral theses in biology that have directly resulted in the awarding of a Nobel Prize"[2] The general effect she demonstrated is known as embryonic induction, that is, the capacity of some cells to direct the developmental trajectory of other cells Induction remains a fundamental concept and area of ongoing research in the field[2][3]

Contents

  • 1 Biography
  • 2 Key experiments
  • 3 See also
  • 4 References
  • 5 External links

Biography

Hilde Proescholdt was born in Gotha, Thuringia, a province in central-eastern Germany on October 20, 1898 She was the middle daughter of soap factory owner Ernest Proescholdt and his wife Gertrude She attended the University of Jena in Germany for two semesters in 1918 and 1919 and then transferred to the University of Frankfurt in Germany where she also spent two semesters It was here that she saw a lecture by the renowned embryologist Hans Spemann on experimental embryology

This lecture inspired her to pursue her education in this field After Frankfurt, she attended the Zoological Institute in Freiburg It was here that she met and married her husband, Otto Mangold de, who was Spemann’s chief assistant and, incidentally, a supporter of the Nazi Party Under Spemann's direction, she completed her 1923 dissertation, entitled “Über Induktion von Embryonalanlagen durch Implantation artfremder Organisatoren”, or “Induction of Embryonic Primordia by Implantation of Organizers from a Different Species”

After earning her PhD in zoology, Hilde moved with her husband and infant son, Christian, to Berlin Shortly after the move, Hilde died from severe burns as a result of a gas heater explosion in her Berlin home[4] She never lived to see the publication of her thesis results Her son died in World War II[5]

Key experiments

Mangold performed very delicate transplantation experiments with embryos a feat even more impressive before the discovery of antibiotics to prevent infection after surgery She demonstrated that tissue from the dorsal lip of the blastopore grafted into a host embryo can induce the formation of an extra body axis, creating conjoined twins Crucially, by using two species of newt with different skin colors for host and donor, she showed that the amphibian organizer did not form the extra axis by itself, but recruited host tissue to form the twin although the full implications of this result were not understood until a year after her death[2][6] This was the basis of the discovery of the "organizer", which is responsible for gastrulation[2]

See also

  • Developmental biology
  • Embryogenesis
  • Theodor Boveri
  • August Weismann

References

  1. ^ Mangold, Hilde Proescholdt by Marilyn Baily Ogilvie and Joy Dorothy Harvey in The Biographical Dictionary of Women in Science
  2. ^ a b c d Developmental Biology 10th ed by Scott F Gilbert
  3. ^ Stern, Claudio D Great Experiments: Spemann and Mangold’s Discovery of the Organizer 2001 http://wwwbioinfoorgcn/book/Great%20Experments/great30htm
  4. ^ The Embryo Project Encyclopedia: Hilde Mangold http://embryoasuedu/pages/hilde-mangold-1898-1924
  5. ^ Hilde Proescholdt Mangold by Veronica Reardon Mondrinos in Women in the Biological Sciences, page 304
  6. ^ Spemann, H and Mangold, H 1924 "Über Induktion von Embryonanlagen durch Implantation artfremder Organisatoren" Roux' Arch f Entw mech 100: 599-638

External links

  • Explanation of the Spemann-Mangold experiment from a Nature Reviews article

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Hilde Mangold Information about

Hilde Mangold


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    Hilde Mangold beatiful post thanks!

    29.10.2014


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