2010
DOI: 10.1002/ange.200905465
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Die Entstehung erster Zellen – von der Nährstoffaufnahme hin zur Verlängerung eingeschlossener Nucleotide

Abstract: Ein neues Verständnis des Ursprungs des Lebens auf der Erde gründet sich auf jüngsten, bedeutenden Entdeckungen zur Biophysik von Membranen. Es wurde gezeigt, dass Vesikel aus Membran‐Doppelschichten eine facettenreiche Mikroumgebung zur Verfügung stellen, in der sich erste Stoffwechselreaktionen entwickelt haben können. Zellmembran‐ähnliche Aggregate amphiphiler Moleküle, die Oligonucleotide einschließen können, wurden erfolgreich im Labor hergestellt. Im Rahmen von Laborstudien zur Entstehung des Lebens gela… Show more

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Cited by 22 publications
(6 citation statements)
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References 89 publications
(174 reference statements)
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“…Synthetic vesicles have drawn much attention because of their close similarity to biological cells, of which the membranes are generally composed of double‐tailed phospholipid surfactants. In living systems, bilayer membranes are highly dynamic,1 amongst others as a result of embedded proteins and carotenoids, which is essential for endo‐ and exocytosis, cell signaling, and cell division. In contrast, synthetic vesicles tend to be very static, especially when composed of double‐chain surfactants 2.…”
Section: Methodsmentioning
confidence: 99%
“…Synthetic vesicles have drawn much attention because of their close similarity to biological cells, of which the membranes are generally composed of double‐tailed phospholipid surfactants. In living systems, bilayer membranes are highly dynamic,1 amongst others as a result of embedded proteins and carotenoids, which is essential for endo‐ and exocytosis, cell signaling, and cell division. In contrast, synthetic vesicles tend to be very static, especially when composed of double‐chain surfactants 2.…”
Section: Methodsmentioning
confidence: 99%
“…The origin of the first cellular life on Earth, 1,2 and the ongoing evolution of living organisms that populate the Earth today have resulted in a fascinating biochemical interplay between proteins and genes. A genetic sequence as expressed in a nucleotide base code is precisely translated into a series of amino acid chains, the building blocks for proteins, which are the fundamental structural and functional elements of life.…”
Section: Introductionmentioning
confidence: 99%
“…The emergence of a protocell capable of Darwinian evolution is expected to require two key components: a self‐replicating membrane and a self‐replicating nucleic acid 1. RNA, due to its ability to store genetic information and fold into catalytic structures, is hypothesized to be the ancestral nucleic acid in primitive cells 2.…”
mentioning
confidence: 99%