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The complex interactions involved in regulation of a cell's function are captured by its interaction graph. More often than not, detailed knowledge about enhancing or suppressive regulatory influences and cooperative effects is lacking and…

Molecular Networks · Quantitative Biology 2013-02-15 Gunnar Boldhaus , Florian Greil , Konstantin Klemm

Synthetic lethality refers to a combination of two or more genetic events (typically affecting different genes) in which the co-occurrence of the events results in cell or organismal lethality, but the cell or organism remains viable when…

Molecular Networks · Quantitative Biology 2016-02-02 Sriganesh Srihari

Recent genomic analyses on the cellular metabolic network show that reaction flux across enzymes are diverse and exhibit power-law behavior in its distribution. While one may guess that the reactions with larger fluxes are more likely to be…

Molecular Networks · Quantitative Biology 2007-05-23 C. -M. Ghim , K. -I. Goh , B. Kahng

The most frequent form of pairwise synthetic lethality (SL) in metabolic networks is known as plasticity synthetic lethality (PSL). It occurs when the simultaneous inhibition of paired functional and silent metabolic reactions or genes is…

Molecular Networks · Quantitative Biology 2018-07-04 Francesco Alessandro Massucci , Francesc Sagués , M. Ángeles Serrano

Synthetic lethality (SL) prediction is used to identify if the co-mutation of two genes results in cell death. The prevalent strategy is to abstract SL prediction as an edge classification task on gene nodes within SL data and achieve it…

Machine Learning · Computer Science 2023-10-18 Xusheng Zhao , Hao Liu , Qiong Dai , Hao Peng , Xu Bai , Huailiang Peng

We unravel how functional plasticity and redundancy are essential mechanisms underlying the ability to survive of metabolic networks. We perform an exhaustive computational screening of synthetic lethal reaction pairs in Escherichia coli in…

Molecular Networks · Quantitative Biology 2015-06-17 Oriol Güell , Francesc Sagués , M. Ángeles Serrano

Recent whole-brain calcium imaging recordings of the nematode C. elegans have demonstrated that neural activity is dominated by dynamics on a low-dimensional manifold that can be clustered according to behavioral states. Despite progress in…

Neurons and Cognition · Quantitative Biology 2020-02-05 Megan Morrison , Charles Fieseler , J. Nathan Kutz

Selective control in a population is the ability to control a member of the population while leaving the other members relatively unaffected. The concept of selective control is developed using cell death or apoptosis in heterogeneous cell…

Quantitative Methods · Quantitative Biology 2014-07-29 Diego Calzolari , Giovanni Paternostro , Patrick L. Harrington , Carlo Piermarocchi , Phillip M. Duxbury

Unlike the brain, artificial neural networks, including state-of-the-art deep neural networks for computer vision, are subject to "catastrophic forgetting": they rapidly forget the previous task when trained on a new one. Neuroscience…

Neural and Evolutionary Computing · Computer Science 2021-06-09 Axel Laborieux , Maxence Ernoult , Tifenn Hirtzlin , Damien Querlioz

The engineered control of cellular function through the design of synthetic genetic networks is becoming plausible. Here we show how a naturally occurring network can be used as a parts list for artificial network design, and how model…

Biological Physics · Physics 2009-11-07 Jeff Hasty , Farren Isaacs , Milos Dolnik , David McMillen , J. J. Collins

Synthetic lethality (SL) is a promising concept for novel discovery of anti-cancer drug targets. However, wet-lab experiments for detecting SLs are faced with various challenges, such as high cost, low consistency across platforms or cell…

Machine Learning · Computer Science 2018-10-23 Yong Liu , Min Wu , Chenghao Liu , Xiao-Li Li , Jie Zheng

Synthetic data is becoming increasingly integral in data-scarce fields such as medical imaging, serving as a substitute for real data. However, its inherent statistical characteristics can significantly impact downstream tasks, potentially…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Krishan Agyakari Raja Babu , Rachana Sathish , Mrunal Pattanaik , Rahul Venkataramani

Caenorhabditis elegans (C. elegans) illustrated remarkable behavioral plasticities including complex non-associative and associative learning representations. Understanding the principles of such mechanisms presumably leads to constructive…

Neurons and Cognition · Quantitative Biology 2017-03-28 Ramin M. Hasani , Magdalena Fuchs , Victoria Beneder , Radu Grosu

The neural dynamics of the nematode C. elegans are experimentally low-dimensional and correspond to discrete behavioral states, where previous modeling work has found neural proxies for some of these states. Experimental results further…

Neurons and Cognition · Quantitative Biology 2015-09-04 James Kunert , Eli Shlizerman , Andrew Walker , J. Nathan Kutz

We construct a gene network based on expression data from DNA microarray experiments, by establishing a link between two genes whenever the Pearson's correlation coefficient between their expression profiles is higher than a certain cutoff.…

Statistical Mechanics · Physics 2007-05-23 P. Provero

The cooperative behavior of neurons and neuronal areas associated with the synchronization behavior proves to be a fundamental neural mechanism. In addition, abnormal levels of synchronization have been related to unhealthy neural…

Biological Physics · Physics 2023-11-16 Bruno R. R. Boaretto

In this short communication, we shall explore a nonlinear discrete dynamical system that naturally occurs in population systems to describe a transmission of a trait from parents to their offspring. We consider a Mendelian inheritance for a…

Dynamical Systems · Mathematics 2013-04-23 Nasir Ganikhodjaev , Mansoor Saburov , Ashraf Mohamed Nawi

Learning and decision making in the brain are key processes critical to survival, and yet are processes implemented by non-ideal biological building blocks which can impose significant error. We explore quantitatively how the brain might…

Neurons and Cognition · Quantitative Biology 2011-04-19 Jake Bouvrie , Jean-Jacques Slotine

Apoptosis is a mechanism of programmed cell death in which cells engage in a controlled demolition and prepare to be digested without damaging their environment. In normal conditions apoptosis is repressed, until it is irreversibly induced…

Molecular Networks · Quantitative Biology 2021-05-18 Sol M. Fernández Arancibia , Hernán E. Grecco , Luis G. Morelli

Associative learning is one of the key mechanisms displayed by living organisms in order to adapt to their changing environments. It was early recognized to be a general trait of complex multicellular organisms but also found in "simpler"…

Cell Behavior · Quantitative Biology 2017-01-24 Javier Macia , Blai Vidiella , Ricard Sole
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