scholarly journals Chemobrionics: From Self-Assembled Material Architectures to the Origin of Life

2020 ◽  
Vol 26 (3) ◽  
pp. 315-326 ◽  
Author(s):  
Silvana S. S. Cardoso ◽  
Julyan H. E. Cartwright ◽  
Jitka Čejková ◽  
Leroy Cronin ◽  
Anne De Wit ◽  
...  

Self-organizing precipitation processes, such as chemical gardens forming biomimetic micro- and nanotubular forms, have the potential to show us new fundamental science to explore, quantify, and understand nonequilibrium physicochemical systems, and shed light on the conditions for life's emergence. The physics and chemistry of these phenomena, due to the assembly of material architectures under a flux of ions, and their exploitation in applications, have recently been termed chemobrionics. Advances in understanding in this area require a combination of expertise in physics, chemistry, mathematical modeling, biology, and nanoengineering, as well as in complex systems and nonlinear and materials sciences, giving rise to this new synergistic discipline of chemobrionics.

2018 ◽  
Author(s):  
soumya banerjee ◽  
joyeeta ghose

Information plays a critical role in complex biological systems. Complex systems like immune systems andant colonies co-ordinate heterogeneous components in a decentralized fashion. How do these distributeddecentralized systems function? One key component is how these complex systems efficiently processinformation. These complex systems have an architecture for integrating and processing information comingin from various sources and points to the value of information in the functioning of different complexbiological systems. This paper is a teaching resource that explains the role of information processing inquestions around the origin of life and suggests how computational simulations may yield insights intoquestions related to the origin of life.


Entropy ◽  
2021 ◽  
Vol 23 (4) ◽  
pp. 398
Author(s):  
Gianluca D’Addese ◽  
Laura Sani ◽  
Luca La Rocca ◽  
Roberto Serra ◽  
Marco Villani

The identification of emergent structures in complex dynamical systems is a formidable challenge. We propose a computationally efficient methodology to address such a challenge, based on modeling the state of the system as a set of random variables. Specifically, we present a sieving algorithm to navigate the huge space of all subsets of variables and compare them in terms of a simple index that can be computed without resorting to simulations. We obtain such a simple index by studying the asymptotic distribution of an information-theoretic measure of coordination among variables, when there is no coordination at all, which allows us to fairly compare subsets of variables having different cardinalities. We show that increasing the number of observations allows the identification of larger and larger subsets. As an example of relevant application, we make use of a paradigmatic case regarding the identification of groups in autocatalytic sets of reactions, a chemical situation related to the origin of life problem.


Leonardo ◽  
2002 ◽  
Vol 35 (2) ◽  
pp. 161-169 ◽  
Author(s):  
Christa Sommerer ◽  
Laurent Mignonneau

The origin of this paper lies in the fundamental question of how complexity arose in the course of evolution and how one might construct an artistic interactive system to model and simulate this emergence of complexity. Relying on the idea that interaction and communication between entities of a system drive the emergence of structures that are more complex than the mere parts of that system, the authors propose to apply principles of complex system theory to the creation of VERBARIUM, an interactive, computer-generated and audience-participatory artwork on the Internet, and to test whether complexity can emerge within this system.


Life ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 777
Author(s):  
Thiago Altair ◽  
Luiz G. F. Borges ◽  
Douglas Galante ◽  
Hamilton Varela

Since the pioneering experimental work performed by Urey and Miller around 70 years ago, several experimental works have been developed for approaching the question of the origin of life based on very few well-constructed hypotheses. In recent years, attention has been drawn to the so-called alkaline hydrothermal vents model (AHV model) for the emergence of life. Since the first works, perspectives from complexity sciences, bioenergetics and thermodynamics have been incorporated into the model. Consequently, a high number of experimental works from the model using several tools have been developed. In this review, we present the key concepts that provide a background for the AHV model and then analyze the experimental approaches that were motivated by it. Experimental tools based on hydrothermal reactors, microfluidics and chemical gardens were used for simulating the environments of early AHVs on the Hadean Earth (~4.0 Ga). In addition, it is noteworthy that several works used techniques from electrochemistry to investigate phenomena in the vent–ocean interface for early AHVs. Their results provided important parameters and details that are used for the evaluation of the plausibility of the AHV model, and for the enhancement of it.


2021 ◽  
Author(s):  
soumya banerjee

Information plays a critical role in complex biological systems. Complex systems like immune systems andant colonies co-ordinate heterogeneous components in a decentralized fashion. How do these distributeddecentralized systems function? One key component is how these complex systems efficiently processinformation. These complex systems have an architecture for integrating and processing informationcoming in from various sources and points to the value of information in the functioning of differentcomplex biological systems. This article proposes a role for information processing in questions aroundthe origin of life and suggests how computational simulations may yield insights into questions related tothe origin of life.Such a computational model of the origin of life would unify thermodynamics with information processingand we would gain an appreciation of why proteins and nucleotides evolved as the substrate ofcomputation and information processing in living systems that we see on Earth. Answers to questionslike these may give us insights into non-carbon based forms of life that we could search for outside Earth.We hypothesize that carbon-based life forms are only one amongst a continuum of life-like systems inthe universe. Investigations into the role of computational substrates that allow information processingis important and could yield insights into:1) novel non-carbon based computational substrates that may have “life-like” properties, and2) how life may have actually originated from non-life on Earth.Life may exist as a continuum between non-life and life and we may have to revise our notion oflife and how common it is in the universe. Looking at life or life-like phenomenon through the lens ofinformation theory may yield a broader view of life.


1968 ◽  
Vol 1 (3) ◽  
pp. 265-308 ◽  
Author(s):  
R. Kilkson

Since the earliest intelligent history man has tried to understand the origin of life. Some remarkable scientific advances have been made. The concept of natural selection is firmly established as the basis of organic evolution. Advances in the genetic mechanism of inheritance have shed light on the processes and levels at which evolutionary changes occur. Evolution is understood to be a dynamic process, and the organisms present at any given time are those best suited to the environment by virtue of the history of their predecessors. But a deeper question arises: how free is evolution? Are the particular biomolecular structures and processes in existence now in any way uniquely predetermined, or are they the result of a sequence of accidental occurrences?


1997 ◽  
Vol 161 ◽  
pp. 419-429 ◽  
Author(s):  
Antonio Lazcano

AbstractDifferent current ideas on the origin of life are critically examined. Comparison of the now fashionable FeS/H2S pyrite-based autotrophic theory of the origin of life with the heterotrophic viewpoint suggest that the later is still the most fertile explanation for the emergence of life. However, the theory of chemical evolution and heterotrophic origins of life requires major updating, which should include the abandonment of the idea that the appearance of life was a slow process involving billions of years. Stability of organic compounds and the genetics of bacteria suggest that the origin and early diversification of life took place in a time period of the order of 10 million years. Current evidence suggest that the abiotic synthesis of organic compounds may be a widespread phenomenon in the Galaxy and may have a deterministic nature. However, the history of the biosphere does not exhibits any obvious trend towards greater complexity or «higher» forms of life. Therefore, the role of contingency in biological evolution should not be understimated in the discussions of the possibilities of life in the Universe.


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