A model for soybean inflorescence architecture based on morphological and gene expression analysis

[EN] Inflorescence architecture is a highly important trait depending on the arrangement and number of flowers in the inflorescence stem. It strongly contributes to plant morphological diversity, and since it determines the number of flowers and fruits, it has strong potential to influence crop yiel...

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Autores: Pozo-Muñoz, Francisca, Kong, Fanjiang, Berbel Tornero, Ana|||0000-0002-6446-0693, MADUEÑO, FRANCISCO|||0000-0001-7598-3003
Formato: artículo
Fecha de publicación:2025
País:España
Recursos:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:dnet:riunet______::55d132e4cb1f3dac886e867d32026876
Acesso em linha:https://riunet.upv.es/handle/10251/233452
Access Level:acceso abierto
Palavra-chave:Soybean
Inflorescence architecture
Compound inflorescence
Meristem identity genes
Dt2
MADS-box genes
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dc.title.none.fl_str_mv A model for soybean inflorescence architecture based on morphological and gene expression analysis
title A model for soybean inflorescence architecture based on morphological and gene expression analysis
spellingShingle A model for soybean inflorescence architecture based on morphological and gene expression analysis
Pozo-Muñoz, Francisca
Soybean
Inflorescence architecture
Compound inflorescence
Meristem identity genes
Dt2
MADS-box genes
title_short A model for soybean inflorescence architecture based on morphological and gene expression analysis
title_full A model for soybean inflorescence architecture based on morphological and gene expression analysis
title_fullStr A model for soybean inflorescence architecture based on morphological and gene expression analysis
title_full_unstemmed A model for soybean inflorescence architecture based on morphological and gene expression analysis
title_sort A model for soybean inflorescence architecture based on morphological and gene expression analysis
dc.creator.none.fl_str_mv Pozo-Muñoz, Francisca
Kong, Fanjiang
Berbel Tornero, Ana|||0000-0002-6446-0693
MADUEÑO, FRANCISCO|||0000-0001-7598-3003
author Pozo-Muñoz, Francisca
author_facet Pozo-Muñoz, Francisca
Kong, Fanjiang
Berbel Tornero, Ana|||0000-0002-6446-0693
MADUEÑO, FRANCISCO|||0000-0001-7598-3003
author_role author
author2 Kong, Fanjiang
Berbel Tornero, Ana|||0000-0002-6446-0693
MADUEÑO, FRANCISCO|||0000-0001-7598-3003
author2_role author
author
author
dc.contributor.none.fl_str_mv Instituto Universitario Mixto de Biología Molecular y Celular de Plantas
Generalitat Valenciana
Agencia Estatal de Investigación
European Regional Development Fund
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Soybean
Inflorescence architecture
Compound inflorescence
Meristem identity genes
Dt2
MADS-box genes
topic Soybean
Inflorescence architecture
Compound inflorescence
Meristem identity genes
Dt2
MADS-box genes
description [EN] Inflorescence architecture is a highly important trait depending on the arrangement and number of flowers in the inflorescence stem. It strongly contributes to plant morphological diversity, and since it determines the number of flowers and fruits, it has strong potential to influence crop yield. Soybean (Glycine max) is a highly relevant grain crop. However, despite many studies involving soybean inflorescence, no clear descriptions of its architecture are available, and the information on this question is controversial. In addition, though a model for the gene network controlling inflorescence meristem identity is established for other legumes, such as pea (Pisum sativum) or Medicago truncatula, regulation of soybean inflorescence development is not resolved, with the nature of the gene specifying I2 meristem identity not clear yet. Here, we use macroscopic and microscopic observation to analyze soybean inflorescence architecture and RNA in situ hybridization to study the expression of the meristem genes DT1, DT2 and GmAP1a, to analyze the control of soybean inflorescence development. Our data demonstrate that, as pea and Medicago, soybean has a compound inflorescence, with flowers formed in secondary inflorescences (I2), and suggest that it is a compound raceme. Our expression study supports that DT1 and AP1 specify the identity of I1 and floral meristems, respectively. Importantly, the specific expression of Dt2 in I2 meristems strongly indicates I2 meristem identity specification by Dt2 and conservation of the inflorescence gene regulatory network with other legumes. Our study fills an important gap, providing an integral view of soybean inflorescence architecture and novel critical information on the gene network that controls its development.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025-11-13
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
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format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/233452
url https://riunet.upv.es/handle/10251/233452
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023 PID2021-126219OB-I00 PAPEL DE LOS FACTORES DE TRANSCRIPCION RAX EN EL CONTROL DEL NUMERO DE FLORES EN LA INFLORESCENCIA DE LAS LEGUMINOSAS
Generalitat Valenciana https://doi.org/10.13039/501100003359 CIPROM%2F2022%2F01
Generalitat Valenciana https://doi.org/10.13039/501100003359 GRISOLIAP%2F2020%2F031
Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 TED2021-129963B
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reconocimiento (by)
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
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eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer-Verlag
publisher.none.fl_str_mv Springer-Verlag
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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repository.mail.fl_str_mv
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spelling A model for soybean inflorescence architecture based on morphological and gene expression analysisPozo-Muñoz, FranciscaKong, FanjiangBerbel Tornero, Ana|||0000-0002-6446-0693MADUEÑO, FRANCISCO|||0000-0001-7598-3003SoybeanInflorescence architectureCompound inflorescenceMeristem identity genesDt2MADS-box genes[EN] Inflorescence architecture is a highly important trait depending on the arrangement and number of flowers in the inflorescence stem. It strongly contributes to plant morphological diversity, and since it determines the number of flowers and fruits, it has strong potential to influence crop yield. Soybean (Glycine max) is a highly relevant grain crop. However, despite many studies involving soybean inflorescence, no clear descriptions of its architecture are available, and the information on this question is controversial. In addition, though a model for the gene network controlling inflorescence meristem identity is established for other legumes, such as pea (Pisum sativum) or Medicago truncatula, regulation of soybean inflorescence development is not resolved, with the nature of the gene specifying I2 meristem identity not clear yet. Here, we use macroscopic and microscopic observation to analyze soybean inflorescence architecture and RNA in situ hybridization to study the expression of the meristem genes DT1, DT2 and GmAP1a, to analyze the control of soybean inflorescence development. Our data demonstrate that, as pea and Medicago, soybean has a compound inflorescence, with flowers formed in secondary inflorescences (I2), and suggest that it is a compound raceme. Our expression study supports that DT1 and AP1 specify the identity of I1 and floral meristems, respectively. Importantly, the specific expression of Dt2 in I2 meristems strongly indicates I2 meristem identity specification by Dt2 and conservation of the inflorescence gene regulatory network with other legumes. Our study fills an important gap, providing an integral view of soybean inflorescence architecture and novel critical information on the gene network that controls its development.We acknowledge Jinshun Zhong (School of Life Sciences, South China Agricultural University, China) and Xukun Li (School of Life Sciences, Guangzhou University, China), for critical reading of the manuscript, and to Cristina Ferrandiz (IBMCP, Valencia, Spain) for discussion, critical reading of the manuscript, and for help with Figures 1, 6 and S3. This work was supported by grants from the Spanish Ministerio de Ciencia e Innovacion, Agencia Estatal de Investigacion and FEDER (Grants PID2021-126219OB-I00 and TED2021-129963B-I00/AEI/https://doi.org/10.13039/501100011033/Union Europea NextGenerationEU/PRTR) and the Generalitat Valenciana (Grant CIPROM/2022/01). FP was recipient of a Grisolia contract (Generalitat Valenciana-GRISOLIAP/2020/031).Springer-VerlagInstituto Universitario Mixto de Biología Molecular y Celular de PlantasGeneralitat ValencianaAgencia Estatal de InvestigaciónEuropean Regional Development FundRepositorio Institucional de la Universitat Politècnica de València Riunet20252025-11-13journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://riunet.upv.es/handle/10251/233452reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengAgencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023 PID2021-126219OB-I00 PAPEL DE LOS FACTORES DE TRANSCRIPCION RAX EN EL CONTROL DEL NUMERO DE FLORES EN LA INFLORESCENCIA DE LAS LEGUMINOSASGeneralitat Valenciana https://doi.org/10.13039/501100003359 CIPROM%2F2022%2F01Generalitat Valenciana https://doi.org/10.13039/501100003359 GRISOLIAP%2F2020%2F031Agencia Estatal de Investigación http://dx.doi.org/10.13039/501100011033 TED2021-129963Bopen accesshttp://purl.org/coar/access_right/c_abf2Reconocimiento (by)http://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:dnet:riunet______::55d132e4cb1f3dac886e867d320268762026-06-13T07:49:27Z
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