Automatic design of gene regulatory mechanisms for spatial pattern formation

Abstract Gene regulatory mechanisms (GRMs) control the formation of spatial and temporal expression patterns that can serve as regulatory signals for the development of complex shapes. Synthetic developmental biology aims to engineer such genetic circuits for understanding and producing desired mult...

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Main Authors: Reza Mousavi, Daniel Lobo
Format: Article
Language:English
Published: Nature Portfolio 2024-04-01
Series:npj Systems Biology and Applications
Online Access:https://doi.org/10.1038/s41540-024-00361-5
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author Reza Mousavi
Daniel Lobo
author_facet Reza Mousavi
Daniel Lobo
author_sort Reza Mousavi
collection DOAJ
description Abstract Gene regulatory mechanisms (GRMs) control the formation of spatial and temporal expression patterns that can serve as regulatory signals for the development of complex shapes. Synthetic developmental biology aims to engineer such genetic circuits for understanding and producing desired multicellular spatial patterns. However, designing synthetic GRMs for complex, multi-dimensional spatial patterns is a current challenge due to the nonlinear interactions and feedback loops in genetic circuits. Here we present a methodology to automatically design GRMs that can produce any given two-dimensional spatial pattern. The proposed approach uses two orthogonal morphogen gradients acting as positional information signals in a multicellular tissue area or culture, which constitutes a continuous field of engineered cells implementing the same designed GRM. To efficiently design both the circuit network and the interaction mechanisms—including the number of genes necessary for the formation of the target spatial pattern—we developed an automated algorithm based on high-performance evolutionary computation. The tolerance of the algorithm can be configured to design GRMs that are either simple to produce approximate patterns or complex to produce precise patterns. We demonstrate the approach by automatically designing GRMs that can produce a diverse set of synthetic spatial expression patterns by interpreting just two orthogonal morphogen gradients. The proposed framework offers a versatile approach to systematically design and discover complex genetic circuits producing spatial patterns.
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spelling doaj.art-9cff918300394b25adfdbefacf40d5f52024-04-07T11:22:29ZengNature Portfolionpj Systems Biology and Applications2056-71892024-04-0110111310.1038/s41540-024-00361-5Automatic design of gene regulatory mechanisms for spatial pattern formationReza Mousavi0Daniel Lobo1Department of Biological Sciences, University of Maryland, Baltimore CountyDepartment of Biological Sciences, University of Maryland, Baltimore CountyAbstract Gene regulatory mechanisms (GRMs) control the formation of spatial and temporal expression patterns that can serve as regulatory signals for the development of complex shapes. Synthetic developmental biology aims to engineer such genetic circuits for understanding and producing desired multicellular spatial patterns. However, designing synthetic GRMs for complex, multi-dimensional spatial patterns is a current challenge due to the nonlinear interactions and feedback loops in genetic circuits. Here we present a methodology to automatically design GRMs that can produce any given two-dimensional spatial pattern. The proposed approach uses two orthogonal morphogen gradients acting as positional information signals in a multicellular tissue area or culture, which constitutes a continuous field of engineered cells implementing the same designed GRM. To efficiently design both the circuit network and the interaction mechanisms—including the number of genes necessary for the formation of the target spatial pattern—we developed an automated algorithm based on high-performance evolutionary computation. The tolerance of the algorithm can be configured to design GRMs that are either simple to produce approximate patterns or complex to produce precise patterns. We demonstrate the approach by automatically designing GRMs that can produce a diverse set of synthetic spatial expression patterns by interpreting just two orthogonal morphogen gradients. The proposed framework offers a versatile approach to systematically design and discover complex genetic circuits producing spatial patterns.https://doi.org/10.1038/s41540-024-00361-5
spellingShingle Reza Mousavi
Daniel Lobo
Automatic design of gene regulatory mechanisms for spatial pattern formation
npj Systems Biology and Applications
title Automatic design of gene regulatory mechanisms for spatial pattern formation
title_full Automatic design of gene regulatory mechanisms for spatial pattern formation
title_fullStr Automatic design of gene regulatory mechanisms for spatial pattern formation
title_full_unstemmed Automatic design of gene regulatory mechanisms for spatial pattern formation
title_short Automatic design of gene regulatory mechanisms for spatial pattern formation
title_sort automatic design of gene regulatory mechanisms for spatial pattern formation
url https://doi.org/10.1038/s41540-024-00361-5
work_keys_str_mv AT rezamousavi automaticdesignofgeneregulatorymechanismsforspatialpatternformation
AT daniellobo automaticdesignofgeneregulatorymechanismsforspatialpatternformation