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Das Tor zum Kraftwerk des Lebens | Chemikalien.de
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Das Tor zum Kraftwerk des Lebens

März 20, 2003 by admin 

Mitochondrien, die “Kraftwerke” der Zellen, enthalten mehrere hundert verschiedene Proteine, von denen sie nur wenige selbst produzieren können. Alle anderen Proteine müssen auf komplizierten Wegen aus dem Zellinneren importiert werden. Auf welchem Weg dies geschieht, haben jetzt Wissenschaftler des Max-Planck-Instituts in Frankfurt/Main gemeinsam mit zwei Arbeitsgruppen der Universitäten Freiburg und Osnabrück bis ins molekulare Detail hinein aufgeklärt.


Sie berichten in der internationalen Fachzeitschrift Science (Science, 14. März 2003), wie lebensnotwendige Boten-Proteine über zweiporige Kanäle in der inneren Hülle des “Zell-Kraftwerks” landen. Diese molekularen Einblicke sind sehr wichtig, da schwerwiegende neurodegenerative Erkrankungen wie das Mohr-Tranebjaerg-Syndrom auftreten können, wenn die für den Import der Botenmoleküle verantwortlichen Proteine defekt sind.

Weitere Informationen finden Sie im WWW:

http://www.mpg.de/pri03/pri0331.htm

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