<i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato
BRs (Brassinosteroids) regulate many essential pathways related to growth, cell elongation, cell expansion, plant architecture, and fruit development. The potential exogenous application of BR-derivatives has been proven to stimulate plant growth and development, including quality attributes of frui...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-10-01
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| Series: | Horticulturae |
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| Online Access: | https://www.mdpi.com/2311-7524/8/11/1008 |
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| author | Muhammad Ali Mumtaz Fangman Li Xingyu Zhang Jinbao Tao Pingfei Ge Ying Wang Yaru Wang Wenxian Gai Haiqiang Dong Yuyang Zhang |
| author_facet | Muhammad Ali Mumtaz Fangman Li Xingyu Zhang Jinbao Tao Pingfei Ge Ying Wang Yaru Wang Wenxian Gai Haiqiang Dong Yuyang Zhang |
| author_sort | Muhammad Ali Mumtaz |
| collection | DOAJ |
| description | BRs (Brassinosteroids) regulate many essential pathways related to growth, cell elongation, cell expansion, plant architecture, and fruit development. The potential exogenous application of BR-derivatives has been proven to stimulate plant growth and development, including quality attributes of fruits, whereas its biosynthesis inhibition has shown the opposite effect. In this study, BR-insensitive tomato mutants were used to reveal the potential function of BR signaling in the regulation of fruit development to elaborate the regulatory mechanism of BR signaling in tomato fruits. The BR-signaling mutant exhibited a typical dwarf phenotype and reduced vegetative growth, fruit size, and weight. Microscopic and transcriptional evaluation of the <i>abs1</i> mutant fruits implies that reduced cell size and number are responsible for the phenotypic variations. Additionally, we also found that the altered content of phytohormones, such as auxin, gibberellin, cytokinin, and ethylene levels, contributed to altered fruit development. Moreover, fruit growth and cell development-specific gene expression levels were downregulated in BR-insensitive plants; culminating in reduced cell size, cell number, and cell layers. These findings provide insight into physio-chemical changes during fruit development in response to BR-insensitivity. |
| first_indexed | 2024-03-09T19:02:17Z |
| format | Article |
| id | doaj.art-25207f66ad134e3594c9d074e6a257f4 |
| institution | Directory Open Access Journal |
| issn | 2311-7524 |
| language | English |
| last_indexed | 2024-03-09T19:02:17Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Horticulturae |
| spelling | doaj.art-25207f66ad134e3594c9d074e6a257f42023-11-24T04:52:43ZengMDPI AGHorticulturae2311-75242022-10-01811100810.3390/horticulturae8111008<i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in TomatoMuhammad Ali Mumtaz0Fangman Li1Xingyu Zhang2Jinbao Tao3Pingfei Ge4Ying Wang5Yaru Wang6Wenxian Gai7Haiqiang Dong8Yuyang Zhang9Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaKey Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, ChinaBRs (Brassinosteroids) regulate many essential pathways related to growth, cell elongation, cell expansion, plant architecture, and fruit development. The potential exogenous application of BR-derivatives has been proven to stimulate plant growth and development, including quality attributes of fruits, whereas its biosynthesis inhibition has shown the opposite effect. In this study, BR-insensitive tomato mutants were used to reveal the potential function of BR signaling in the regulation of fruit development to elaborate the regulatory mechanism of BR signaling in tomato fruits. The BR-signaling mutant exhibited a typical dwarf phenotype and reduced vegetative growth, fruit size, and weight. Microscopic and transcriptional evaluation of the <i>abs1</i> mutant fruits implies that reduced cell size and number are responsible for the phenotypic variations. Additionally, we also found that the altered content of phytohormones, such as auxin, gibberellin, cytokinin, and ethylene levels, contributed to altered fruit development. Moreover, fruit growth and cell development-specific gene expression levels were downregulated in BR-insensitive plants; culminating in reduced cell size, cell number, and cell layers. These findings provide insight into physio-chemical changes during fruit development in response to BR-insensitivity.https://www.mdpi.com/2311-7524/8/11/1008BR-insensitivityfruit developmentphytohormonestomato |
| spellingShingle | Muhammad Ali Mumtaz Fangman Li Xingyu Zhang Jinbao Tao Pingfei Ge Ying Wang Yaru Wang Wenxian Gai Haiqiang Dong Yuyang Zhang <i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato Horticulturae BR-insensitivity fruit development phytohormones tomato |
| title | <i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato |
| title_full | <i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato |
| title_fullStr | <i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato |
| title_full_unstemmed | <i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato |
| title_short | <i>Altered brassinolide sensitivity1</i> Regulates Fruit Size in Association with Phytohormones Modulation in Tomato |
| title_sort | i altered brassinolide sensitivity1 i regulates fruit size in association with phytohormones modulation in tomato |
| topic | BR-insensitivity fruit development phytohormones tomato |
| url | https://www.mdpi.com/2311-7524/8/11/1008 |
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