Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana

Agave plants are well-known for their drought resilience and commercial applications. Among them, Agave sisalana (sisal) is the species most used to produce hard fibers, and it is of great importance for semiarid regions. Agaves also show potential as bioenergy feedstocks, as they can accumulate lar...

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Main Authors: Lucas M. Carvalho, Nicholas Vinícius Silva, Luís Guilherme F. de Abreu, Marina Püpke Marone, Alexandra Russolo Cardelli, Fabio Trigo Raya, Guido Araújo, Marcelo Falsarella Carazzolle, Gonçalo Amarante Guimarães Pereira
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-05-01
Series:Frontiers in Chemical Engineering
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Online Access:https://www.frontiersin.org/articles/10.3389/fceng.2023.1175235/full
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author Lucas M. Carvalho
Lucas M. Carvalho
Nicholas Vinícius Silva
Luís Guilherme F. de Abreu
Marina Püpke Marone
Alexandra Russolo Cardelli
Fabio Trigo Raya
Guido Araújo
Guido Araújo
Marcelo Falsarella Carazzolle
Marcelo Falsarella Carazzolle
Gonçalo Amarante Guimarães Pereira
author_facet Lucas M. Carvalho
Lucas M. Carvalho
Nicholas Vinícius Silva
Luís Guilherme F. de Abreu
Marina Püpke Marone
Alexandra Russolo Cardelli
Fabio Trigo Raya
Guido Araújo
Guido Araújo
Marcelo Falsarella Carazzolle
Marcelo Falsarella Carazzolle
Gonçalo Amarante Guimarães Pereira
author_sort Lucas M. Carvalho
collection DOAJ
description Agave plants are well-known for their drought resilience and commercial applications. Among them, Agave sisalana (sisal) is the species most used to produce hard fibers, and it is of great importance for semiarid regions. Agaves also show potential as bioenergy feedstocks, as they can accumulate large amounts of biomass and fermentable sugar. This study aimed to reconstruct the A. sisalana interactome, and identify key genes and modules involved in multiple plant tissues (root, stem, and leaf) through RNA-Seq analysis. We integrated A. sisalana transcriptome sequences and gene expression generated from stem, leaf, and root tissues to build global and conditional co-expression networks across the entire transcriptome. By combining the co-expression network, module classification, and function enrichment tools, we identified 20 functional modules related to at least one A. sisalana tissue, covering functions such as photosynthesis, leaf formation, auxin-activated signaling pathway, floral organ abscission, response to farnesol, brassinosteroid mediated signaling pathway, and light-harvesting. The final interactome of A. sisalana contains 2,582 nodes and 15,083 edges. In the reconstructed interactome, we identified submodules related to plant processes to validate the reconstruction. In addition, we identified 6 hub genes that were searched for in the co-expression modules. The intersection of hub genes identified by both the protein-protein interaction networks (PPI networks) and co-expression analyses using gene significance and module membership revealed six potential candidate genes for key genes. In conclusion, we identified six potential key genes for specific studies in Agave transcriptome atlas studies, biological processes related to plant survival in unfavorable environments and provide strategies for breeding programs.
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spelling doaj.art-8704823931da422a9615839b0b5d6cd62023-05-26T04:56:29ZengFrontiers Media S.A.Frontiers in Chemical Engineering2673-27182023-05-01510.3389/fceng.2023.11752351175235Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalanaLucas M. Carvalho0Lucas M. Carvalho1Nicholas Vinícius Silva2Luís Guilherme F. de Abreu3Marina Püpke Marone4Alexandra Russolo Cardelli5Fabio Trigo Raya6Guido Araújo7Guido Araújo8Marcelo Falsarella Carazzolle9Marcelo Falsarella Carazzolle10Gonçalo Amarante Guimarães Pereira11Laboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilCenter for Computing in Engineering and Sciences, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilCenter for Computing in Engineering and Sciences, State University of Campinas, Campinas, SP, BrazilInstitute of Computing, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilCenter for Computing in Engineering and Sciences, State University of Campinas, Campinas, SP, BrazilLaboratory of Genomics and BioEnergy (LGE), Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, State University of Campinas, Campinas, SP, BrazilAgave plants are well-known for their drought resilience and commercial applications. Among them, Agave sisalana (sisal) is the species most used to produce hard fibers, and it is of great importance for semiarid regions. Agaves also show potential as bioenergy feedstocks, as they can accumulate large amounts of biomass and fermentable sugar. This study aimed to reconstruct the A. sisalana interactome, and identify key genes and modules involved in multiple plant tissues (root, stem, and leaf) through RNA-Seq analysis. We integrated A. sisalana transcriptome sequences and gene expression generated from stem, leaf, and root tissues to build global and conditional co-expression networks across the entire transcriptome. By combining the co-expression network, module classification, and function enrichment tools, we identified 20 functional modules related to at least one A. sisalana tissue, covering functions such as photosynthesis, leaf formation, auxin-activated signaling pathway, floral organ abscission, response to farnesol, brassinosteroid mediated signaling pathway, and light-harvesting. The final interactome of A. sisalana contains 2,582 nodes and 15,083 edges. In the reconstructed interactome, we identified submodules related to plant processes to validate the reconstruction. In addition, we identified 6 hub genes that were searched for in the co-expression modules. The intersection of hub genes identified by both the protein-protein interaction networks (PPI networks) and co-expression analyses using gene significance and module membership revealed six potential candidate genes for key genes. In conclusion, we identified six potential key genes for specific studies in Agave transcriptome atlas studies, biological processes related to plant survival in unfavorable environments and provide strategies for breeding programs.https://www.frontiersin.org/articles/10.3389/fceng.2023.1175235/fullagaveinteractomeco-expression analysisprotein-protein interaction networksisal
spellingShingle Lucas M. Carvalho
Lucas M. Carvalho
Nicholas Vinícius Silva
Luís Guilherme F. de Abreu
Marina Püpke Marone
Alexandra Russolo Cardelli
Fabio Trigo Raya
Guido Araújo
Guido Araújo
Marcelo Falsarella Carazzolle
Marcelo Falsarella Carazzolle
Gonçalo Amarante Guimarães Pereira
Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana
Frontiers in Chemical Engineering
agave
interactome
co-expression analysis
protein-protein interaction network
sisal
title Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana
title_full Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana
title_fullStr Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana
title_full_unstemmed Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana
title_short Analysis of protein-protein interaction and weighted co-expression networks revealed key modules and genes in multiple organs of Agave sisalana
title_sort analysis of protein protein interaction and weighted co expression networks revealed key modules and genes in multiple organs of agave sisalana
topic agave
interactome
co-expression analysis
protein-protein interaction network
sisal
url https://www.frontiersin.org/articles/10.3389/fceng.2023.1175235/full
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