Johannes Holtfreter (1901-1992)
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چکیده
Johannes Holtfreter [6] made important discoveries about the properties of the organizer [7] discovered by Hans Spemann [8]. Although he spent much time away from the lab over many years, he was a productive researcher. His colleagues noted that the time he spent away helped revitalize his ideas. He is credited with the development of a balanced salt medium to allow embryos to develop; the discovery that dead organizer [7] tissue retains inductive abilities; and the development of specification, competence [9], and distribution of fate maps [10] in the developing frog [11] embryo. He was the sole author on all but three of the more than sixty papers he published. Johannes Holtfreter [6] was born on 9 January 1901 in Richtenberg, Germany. He was the middle of three children, the only boy, and grew up collecting and drawing butterflies and other animals in the surrounding area. When World War I [12] began, his family moved to Strausland, Germany, to avoid the war.
منابع مشابه
901—1992 a Biographical Memoir By
Any opinions expressed in this memoir are those of the author(s) and do not necessarily reflect the views of the National Academy of Sciences.
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In ?Versuche zur Analyse der Induktionsmittel in der Embryonalentwicklung [4],? published in Naturwissenschaften in 1932, Hermann Bautzmann [5], Johannes Holtfreter [6], Otto Mangold [7] , and Hans Spemann [8] jointly reported on experiments each had conducted testing the activity of organizers killed by boiling, freezing, alcohol, and drying. Each of the authors had been independently conducti...
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تاریخ انتشار 2018