The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes

MADS-box genes are classified into five categories: ABCDE, including SEP1, SEP2, SEP3, SEP4, and other homologous genes, which play important roles in floral organ development. In this study, the cDNA sequence of the HrSEP1 gene was cloned by RT-PCR and confirmed that this gene belongs to the MADS-b...

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Main Authors: Di Cong, Xue Zhao, Chang Ni, Mengru Li, Luwen Han, Jianlin Cheng, Hongzhang Liu, Huijing Liu, Dan Yao, Shuying Liu, Guoshuang Chen
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Plant Science
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Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2024.1503346/full
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author Di Cong
Xue Zhao
Xue Zhao
Chang Ni
Mengru Li
Luwen Han
Jianlin Cheng
Hongzhang Liu
Huijing Liu
Dan Yao
Shuying Liu
Guoshuang Chen
author_facet Di Cong
Xue Zhao
Xue Zhao
Chang Ni
Mengru Li
Luwen Han
Jianlin Cheng
Hongzhang Liu
Huijing Liu
Dan Yao
Shuying Liu
Guoshuang Chen
author_sort Di Cong
collection DOAJ
description MADS-box genes are classified into five categories: ABCDE, including SEP1, SEP2, SEP3, SEP4, and other homologous genes, which play important roles in floral organ development. In this study, the cDNA sequence of the HrSEP1 gene was cloned by RT-PCR and confirmed that this gene belongs to the MADS-box gene family. In addition, subcellular localization experiments showed that the HrSEP1 protein was localized in the nucleus. We verified the interaction of HrSEP1 with HrSOC1, HrSVP, and HrAP1 using yeast two-hybrid and bimolecular fluorescence complementation assays. These genes jointly regulate the growth and development of floral organs. We also found a strong synergy between HrSEP1 and AP1 genes in sepals, petals, and stamens by transgenic methods and fluorescence quantitative PCR, suggesting that HrSEP1 and AP1 may co-regulate the development of these structures. In conclusion, the expression of HrSEP1 has a certain effect on the development of floral organs, and these findings lay the foundation for further research on the biological functions of MADS transcription factors in Hippophae rhamnoides.
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issn 1664-462X
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publishDate 2025-01-01
publisher Frontiers Media S.A.
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spelling doaj-art-83052b1d5e8d465f85b59f4d571382aa2025-01-29T06:45:45ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2025-01-011510.3389/fpls.2024.15033461503346The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genesDi Cong0Xue Zhao1Xue Zhao2Chang Ni3Mengru Li4Luwen Han5Jianlin Cheng6Hongzhang Liu7Huijing Liu8Dan Yao9Shuying Liu10Guoshuang Chen11College of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaGuangyuan Food and Drug Inspection and Testing Centre, Sichuan, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaCollege of Life Sciences, Jilin Agricultural University, Changchun, ChinaNortheast Institute of Geography and Agroecology, Chinese Academy of Sciences, Beijing, ChinaMADS-box genes are classified into five categories: ABCDE, including SEP1, SEP2, SEP3, SEP4, and other homologous genes, which play important roles in floral organ development. In this study, the cDNA sequence of the HrSEP1 gene was cloned by RT-PCR and confirmed that this gene belongs to the MADS-box gene family. In addition, subcellular localization experiments showed that the HrSEP1 protein was localized in the nucleus. We verified the interaction of HrSEP1 with HrSOC1, HrSVP, and HrAP1 using yeast two-hybrid and bimolecular fluorescence complementation assays. These genes jointly regulate the growth and development of floral organs. We also found a strong synergy between HrSEP1 and AP1 genes in sepals, petals, and stamens by transgenic methods and fluorescence quantitative PCR, suggesting that HrSEP1 and AP1 may co-regulate the development of these structures. In conclusion, the expression of HrSEP1 has a certain effect on the development of floral organs, and these findings lay the foundation for further research on the biological functions of MADS transcription factors in Hippophae rhamnoides.https://www.frontiersin.org/articles/10.3389/fpls.2024.1503346/fullHippophae rhamnoidesMADS-box genesyeast two-hybridbimolecular fluorescence complementationgenetic transformation
spellingShingle Di Cong
Xue Zhao
Xue Zhao
Chang Ni
Mengru Li
Luwen Han
Jianlin Cheng
Hongzhang Liu
Huijing Liu
Dan Yao
Shuying Liu
Guoshuang Chen
The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes
Frontiers in Plant Science
Hippophae rhamnoides
MADS-box genes
yeast two-hybrid
bimolecular fluorescence complementation
genetic transformation
title The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes
title_full The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes
title_fullStr The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes
title_full_unstemmed The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes
title_short The SEPALLATA-like gene HrSEP1 in Hippophae rhamnoides regulates flower development by interacting with other MADS-box subfamily genes
title_sort sepallata like gene hrsep1 in hippophae rhamnoides regulates flower development by interacting with other mads box subfamily genes
topic Hippophae rhamnoides
MADS-box genes
yeast two-hybrid
bimolecular fluorescence complementation
genetic transformation
url https://www.frontiersin.org/articles/10.3389/fpls.2024.1503346/full
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