The SlTCP26 promoting lateral branches development in tomato

Wei, Xiaoying; Yang, Jun; Dou, Lei; Hu, Feng; Yang, Zi; Wen, Guohong; He, Zhuoyuan; Zeng, Wenjing; Zou, Jian

doi:10.1007/s00299-021-02680-x

Cited by 9 publications

(10 citation statements)

References 39 publications

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“…In Arabidopsis, TCP8 directly binds to and transcriptionally activates key BR gene promoters in plants, and TCP8 activity and subcellular localization are dependent on BR [50]. It has been frequently reported that TCP family members participate in the auxin signaling pathway [16,35,36]. Meanwhile, GhTCP14 directly targets the promoters of PIN2, IAA3, and AUX1, thereby mediating auxin-mediated epidermal cell development in cotton (Gossypium hirsutum) [59].…”

Section: Discussionmentioning

confidence: 99%

“…In addition, it was shown that TCP transcription factors were mainly involved in plant growth and development through the phytohormone signaling pathway. Overexpression of SlTCP26 inhibited the expression of auxin-related genes to promote lateral branch development in tomato [16]. CsBRC1 directly inhibited the function of CsPIN3 (PIN-FORMED3), which led to the accumulation of auxin in cucumber axillary buds and inhibited the growth of lateral buds [17].…”

Section: Introductionmentioning

confidence: 99%

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MtTCP18 Regulates Plant Structure in Medicago truncatula

Su,

Zheng,

Diao

et al. 2024

Plants

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Plant structure has a large influence on crop yield formation, with branching and plant height being the important factors that make it up. We identified a gene, MtTCP18, encoding a TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR (TCP) transcription factor highly conserved with Arabidopsis gene BRC1 (BRANCHED1) in Medicago truncatula. Sequence analysis revealed that MtTCP18 included a conserved basic helix–loop–helix (BHLH) motif and R domain. Expression analysis showed that MtTCP18 was expressed in all organs examined, with relatively higher expression in pods and axillary buds. Subcellular localization analysis showed that MtTCP18 was localized in the nucleus and exhibited transcriptional activation activity. These results supported its role as a transcription factor. Meanwhile, we identified a homozygous mutant line (NF14875) with a mutation caused by Tnt1 insertion into MtTCP18. Mutant analysis showed that the mutation of MtTCP18 altered plant structure, with increased plant height and branch number. Moreover, we found that the expression of auxin early response genes was modulated in the mutant. Therefore, MtTCP18 may be a promising candidate gene for breeders to optimize plant structure for crop improvement.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

MtTCP18 Regulates Plant Structure in Medicago truncatula

Su,

Zheng,

Diao

et al. 2024

Plants

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“…Single miRNA may control expression of multiple genes, while it is also possible that an individual gene is controlled by multiple miRNAs. miRNA-mediated regulation of genes involved in different development processes, such as floral development (Waheed & Zeng 2020), leaf growth (Koyama et al 2017;Wei et al 2021), and male and female sterility (Yan et al 2015) have been reported. Although the molecular mechanisms regulating fruit development and ripening have been investigated/reviewed (Giovannoni 2004;Osorio et al 2013;Cedillo-Jimenez et al 2020), few miRNA targets are known and experimentally proven.…”

Section: Introductionmentioning

confidence: 99%

Insights into microRNA‐mediated interaction and regulation of metabolites in tomato

Sharma,

Koul,

Bhushan

et al. 2023

Plant Biol J

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microRNAs direct regulation of various metabolic pathways in plants and animals. miRNAs may be useful in developing novel/elite genotypes, with enhanced metabolites and disease resistance. We examined miRNAs in tomato. In tomato, miRNAs in the carotenoid pathway have not been fully elucidated. We examined the potential role of miRNAs in biosynthesis of carotenoids, transcript profiling of miRNAs and their possible targets (genes and transcription factors) at different development stages of tomato using stem‐loop PCR and RT‐qPCR. We also identified miRNAs targeting key flavonoid genes, such as chalcone isomerase (CHI), and dihydroflavonol‐4‐reductase (DFR). Distinct expression profiles of miRNAs and their targets were found in fruits of three tomato accessions, suggesting carotenoid regulation by miRNAs at various stages of fruit development. This was also confirmed using HPLC of the carotenoids. The present study may help in understanding possible regulation of carotenoid biosynthesis. The identified miRNAs can be exploited to enhance biosynthesis of different carotenoids in plants.

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“…Wang et al [ 17 ] reported that the tubers of the potato lines overexpressing StTCP15 sprouted in advance, while those of the lines with down-regulated StTCP15 expression showed delayed sprouting. The overexpression of SlTCP26 promoted lateral branch development and suppressed the expression of the genes in indole-3-acetic acid (IAA) signaling [ 18 ]. Western blotting and yeast two-hybrid assay showed that the secreted AYWB protein SAP11 AYWB of phytoplasma specifically interacted with class II TCPs and destabilize TCPs in Arabidopsis , which then displayed axillary branching and leaf shape changes [ 19 ].…”

Section: Introductionmentioning

confidence: 99%

Overexpression of TCP9-like gene enhances salt tolerance in transgenic soybean

et al. 2023

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TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR (TCP) transcription factors are a plant-specific family and play roles in plant growth, development, and responses to biotic and abiotic stresses. However, little is known about the functions of the TCP transcription factors in the soybean cultivars with tolerance to salt stress. In this study, TCP9-like, a TCP transcription factor, was identified in the soybean cultivars exposed to salt stress. The expression of TCP9-like gene in the roots of salt-tolerant soybean cultivars was higher than that in salt-sensitive cultivars treated with NaCl. The overexpression of TCP9-like enhanced the salt tolerance of the salt-sensitive soybean cultivar ‘DN50’. In T2 generation, the plants with TCP9-like overexpression had significantly lower Na+ accumulation and higher K+ accumulation than the WT plants exposed to 200 or 250 mmol/L NaCl. The K+/Na+ ratio in the plants overexpressing TCP9-like was significantly higher than that in WT plants treated with 200 mmol/L NaCl. Meanwhile, the overexpression of TCP9-like up-regulated the expression levels of GmNHX1, GmNHX3, GmSOS1, GmSOS2-like, and GmHKT1, which were involved in the K+/Na+ homeostasis pathway. The findings indicated that TCP9-like mediated the regulation of both Na+ and K+ accumulation to improve the tolerance of soybean to salt stress.

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The SlTCP26 promoting lateral branches development in tomato

Cited by 9 publications

References 39 publications

MtTCP18 Regulates Plant Structure in Medicago truncatula

MtTCP18 Regulates Plant Structure in Medicago truncatula

Insights into microRNA‐mediated interaction and regulation of metabolites in tomato

Overexpression of TCP9-like gene enhances salt tolerance in transgenic soybean

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