Results 51 to 60 of about 3,765 (199)

Growth states of catalytic reaction networks exhibiting energy metabolism

open access: yes, 2011
All cells derive nutrition by absorbing some chemical and energy resources from the environment; these resources are used by the cells to reproduce the chemicals within them, which in turn leads to an increase in their volume. In this study, we introduce
E. Schrödinger   +6 more
core   +1 more source

Protocells and RNA Self-Replication [PDF]

open access: yesCold Spring Harbor Perspectives in Biology, 2018
The general notion of an "RNA world" is that, in the early development of life on the Earth, genetic continuity was assured by the replication of RNA, and RNA molecules were the chief agents of catalytic function. Assuming that all of the components of RNA were available in some prebiotic locale, these components could have assembled into activated ...
Gerald F. Joyce, Jack W. Szostak
openaire   +2 more sources

From Vesicles to Protocells: The Roles of Amphiphilic Molecules

open access: yesLife, 2015
It is very challenging to construct protocells from molecular assemblies. An important step in this challenge is the achievement of vesicle dynamics that are relevant to cellular functions, such as membrane trafficking and self-reproduction, using ...
Yuka Sakuma, Masayuki Imai
doaj   +1 more source

Bottom‐Up Coacervate‐Based Artificial Cells: Integrating Cellular Hallmarks into Complex Life‐Like Systems

open access: yesAngewandte Chemie International Edition, EarlyView.
Current interest in artificial cell research underscores its potential to deepen our understanding of life's fundamental processes. This review highlights advances in bottom‐up coacervate‐based artificial cell engineering via combined integration of cellular hallmarks.
Arjan Hazegh Nikroo   +3 more
wiley   +1 more source

On RAF Sets and Autocatalytic Cycles in Random Reaction Networks

open access: yes, 2014
The emergence of autocatalytic sets of molecules seems to have played an important role in the origin of life context. Although the possibility to reproduce this emergence in laboratory has received considerable attention, this is still far from being ...
A Filisetti   +31 more
core   +1 more source

The Evolution of Active Droplets in Chemorobotic Platforms [PDF]

open access: yes, 2017
There is great interest in oil-in-water droplets as simple systems that display astonishingly complex behaviours. Recently, we reported a chemorobotic platform capable of autonomously exploring and evolving the behaviours these droplets can exhibit.
Cronin, Lee   +4 more
core   +1 more source

Mode Switching and Collective Behavior in Chemical Oil Droplets

open access: yesEntropy, 2011
We have characterized several dynamic aspects of a simple chemical system capable of self-movement: An oil droplet in water system. We focused on spontaneous mode switching and collective behavior of droplets as emergent properties of the system ...
Takashi Ikegami   +2 more
doaj   +1 more source

Bioinspired Networks of Communicating Synthetic Protocells

open access: yesFrontiers in Molecular Biosciences, 2021
The bottom-up synthesis of cell-like entities or protocells from inanimate molecules and materials is one of the grand challenges of our time. In the past decade, researchers in the emerging field of bottom-up synthetic biology have developed different ...
Patrick J. Grimes   +4 more
doaj   +1 more source

Design of Fuel‐Dependent, Complex‐Coacervate‐Based Synthetic Cells

open access: yesChemistry – A European Journal, EarlyView.
Fuel‐dependent synthetic cells form and persist only in the presence of chemical fuel, decaying under starvation. We establish design rules for hexapeptide‐based coacervates, showing that tryptophan enhances polyanion binding, extends lifetime, and reduces waste sensitivity.
Anna‐Lena Holtmannspötter   +9 more
wiley   +1 more source

Primitive Membrane Formation, Characteristics and Roles in the Emergent Properties of a Protocell

open access: yesEntropy, 2011
All contemporary living cells are composed of a collection of self-assembled molecular elements that by themselves are non-living but through the creation of a network exhibit the emergent properties of self-maintenance, self-reproduction, and evolution.
Pierre-Alain Monnard   +1 more
doaj   +1 more source

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