The protein–protein interaction landscape of transcription factors during gynoecium development in Arabidopsis

Herrera-Ubaldo, Humberto; Campos, Sergio; López-Gómez, Pablo; Luna-García, Valentín; Zúñiga-Mayo, Víctor M.; Armas-Caballero, Gerardo E.; González-Aguilera, Karla L.; DeLuna, Alexander; Marsch-Martínez, Nayelli; Espinosa‐Soto, Carlos; Folter, Stefan de

doi:10.1016/j.molp.2022.09.004

Cited by 16 publications

(11 citation statements)

References 93 publications

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“…Interestingly, BP/KNAT1, which acts as a repressor of AtTCP15 during stamen elongation [95], also affects replum and valve size [102], raising the possibility that this repression also has a role during gynoecium development. In addition, AtTCP15 was shown to interact with several transcription factors related to different aspects of gynoecium development, suggesting that it may act as a hub of the molecular network involved in this process [103]. This study also suggested the participation of additional TCPs from both classes in the process, which deserves further investigation.…”

Section: Tcps and The Regulation Of Gynoecium Developmentmentioning

confidence: 60%

TCP Transcription Factors in Plant Reproductive Development: Juggling Multiple Roles

Viola

González

2023

Biomolecules

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TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR (TCP) transcription factors (TFs) are plant-specific transcriptional regulators exerting multiple functions in plant growth and development. Ever since one of the founding members of the family was described, encoded by the CYCLOIDEA (CYC) gene from Antirrhinum majus and involved in the regulation of floral symmetry, the role of these TFs in reproductive development was established. Subsequent studies indicated that members of the CYC clade of TCP TFs were important for the evolutionary diversification of flower form in a multitude of species. In addition, more detailed studies of the function of TCPs from other clades revealed roles in different processes related to plant reproductive development, such as the regulation of flowering time, the growth of the inflorescence stem, and the correct growth and development of flower organs. In this review, we summarize the different roles of members of the TCP family during plant reproductive development as well as the molecular networks involved in their action.

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Section: Tcps and The Regulation Of Gynoecium Developmentmentioning

confidence: 60%

TCP Transcription Factors in Plant Reproductive Development: Juggling Multiple Roles

Viola

González

2023

Biomolecules

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“…Previous studies have indicated that SPT requires association with other transcription factors to carry out its functions in the gynoecium [ 28 , 29 ]. In addition, SPT is capable of forming dimers with transcription factors belonging to the bHLH family such as INDEHISCENT (IND), ALCATRAZ (ALC), HECATE 1, 2, 3 (HEC 1, 2, 3), and BRASSINOSTEROID-ENHANCED EXPRESSION 1 (BEE1), and with members of other families such as ARR14, SHATTERPROOF2 (SHP2), and YAB3 [ 28 , 31 , 38 , 39 ]. Therefore, we performed an in silico analysis of the promoter regions of the putative SPT target genes to identify transcription factor binding sites (TFBSs).…”

Section: Discussionmentioning

confidence: 99%

Novel Roles of SPATULA in the Control of Stomata and Trichome Number, and Anthocyanin Biosynthesis

Bernal-Gallardo

Zúñiga-Mayo

Marsch-Martínez

et al. 2023

Plants

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The bHLH transcription factor SPATULA (SPT) has been identified as a regulator during different stages of Arabidopsis development, including the control of leaf size. However, the mechanism via which it performs this function has not been elucidated. To better understand the role of SPT during leaf development, we used a transcriptomic approach to identify putative target genes. We found putative SPT target genes related to leaf development, and to stomata and trichome formation. Furthermore, genes related to anthocyanin biosynthesis. In this work, we demonstrate that SPT is a negative regulator of stomata number and a positive regulator of trichome number. In addition, SPT is required for sucrose-mediated anthocyanin biosynthesis.

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“…Intriguingly, HAT1—also known as JAIBA—was shown to play a role in reproductive development [ 169 ]. In a recent protein–protein interaction analysis of TFs involved in gynoecium development, HAT1 has been found to interact with the B-type ARR14, a positive regulator of CK responses [ 170 ], suggesting that—similarly to HAT3 and ATHB4—HAT1 could control gynoecium development via CK signaling. Interestingly, the same interactome analysis revealed that ARR14 also interacts with PHV, which, in turn, can also interact with ARF19 [ 170 ].…”

Section: Flower and Inflorescence Developmentmentioning

confidence: 99%

“…In a recent protein–protein interaction analysis of TFs involved in gynoecium development, HAT1 has been found to interact with the B-type ARR14, a positive regulator of CK responses [ 170 ], suggesting that—similarly to HAT3 and ATHB4—HAT1 could control gynoecium development via CK signaling. Interestingly, the same interactome analysis revealed that ARR14 also interacts with PHV, which, in turn, can also interact with ARF19 [ 170 ]. Also, REV was shown to act synergistically with ANT to control auxin homeostasis during gynoecium development [ 171 ].…”

Section: Flower and Inflorescence Developmentmentioning

confidence: 99%

The Ins and Outs of Homeodomain-Leucine Zipper/Hormone Networks in the Regulation of Plant Development

Sessa,

Carabelli,

Sassi

2024

IJMS

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The generation of complex plant architectures depends on the interactions among different molecular regulatory networks that control the growth of cells within tissues, ultimately shaping the final morphological features of each structure. The regulatory networks underlying tissue growth and overall plant shapes are composed of intricate webs of transcriptional regulators which synergize or compete to regulate the expression of downstream targets. Transcriptional regulation is intimately linked to phytohormone networks as transcription factors (TFs) might act as effectors or regulators of hormone signaling pathways, further enhancing the capacity and flexibility of molecular networks in shaping plant architectures. Here, we focus on homeodomain-leucine zipper (HD-ZIP) proteins, a class of plant-specific transcriptional regulators, and review their molecular connections with hormonal networks in different developmental contexts. We discuss how HD-ZIP proteins emerge as key regulators of hormone action in plants and further highlight the fundamental role that HD-ZIP/hormone networks play in the control of the body plan and plant growth.

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The protein–protein interaction landscape of transcription factors during gynoecium development in Arabidopsis

Cited by 16 publications

References 93 publications

TCP Transcription Factors in Plant Reproductive Development: Juggling Multiple Roles

TCP Transcription Factors in Plant Reproductive Development: Juggling Multiple Roles

Novel Roles of SPATULA in the Control of Stomata and Trichome Number, and Anthocyanin Biosynthesis

The Ins and Outs of Homeodomain-Leucine Zipper/Hormone Networks in the Regulation of Plant Development

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