Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling
Abstract Background Fruit expansion stage is crucial to fruit yield and quality formation, and auxin plays a significant role by mediating multi-hormone signals during fruit expansion. However, till now, it is still unclear of the molecular regulatory network during auxin-mediated peach fruit expans...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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BMC
2023-10-01
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| Series: | BMC Plant Biology |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12870-023-04514-2 |
| _version_ | 1797577088763428864 |
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| author | Yanping Zhang Ziwen Su Linjia Luo Pengkai Wang Xudong Zhu Jiecai Liu Chen Wang |
| author_facet | Yanping Zhang Ziwen Su Linjia Luo Pengkai Wang Xudong Zhu Jiecai Liu Chen Wang |
| author_sort | Yanping Zhang |
| collection | DOAJ |
| description | Abstract Background Fruit expansion stage is crucial to fruit yield and quality formation, and auxin plays a significant role by mediating multi-hormone signals during fruit expansion. However, till now, it is still unclear of the molecular regulatory network during auxin-mediated peach fruit expansion. Results Here, exogenous NAA application markedly increased IAA content and drastically decreased ABA content at the fruit expansion stage. Correspondingly, NAA mainly induced the auxin biosynthesis gene (1 PpYUCCA) and early auxin-responsive genes (7PpIAA, 3 PpGH3, and 14 PpSAUR); while NAA down-regulated ABA biosynthesis genes (2 PpNCED, 1 PpABA3, and 1 PpAAO3). In addition, many DEGs involved in other plant hormone biosynthesis and signal transduction were significantly enriched after NAA treatment, including 7 JA, 7 CTK, 6 ETH, and 3 GA. Furthermore, we also found that NAA treatment down-regulated most of genes involved in the growth and development of peach fruit, including the cell wall metabolism-related genes (PpEG), sucrose metabolism-related genes (PpSPS), phenylalanine metabolism-related genes (PpPAL, Pp4CL, and PpHCT), and transcription factors (PpNAC, PpMADS-box, PpDof, PpSBP, and PpHB). Conclusion Overall, NAA treatment at the fruit expansion stage could inhibit some metabolism processes involved in the related genes in the growth and development of peach fruit by regulating multiple-hormone signaling networks. These results help reveal the short-term regulatory mechanism of auxin at the fruit expansion stage and provide new insights into the multi-hormone cascade regulatory network of fruit growth and development. |
| first_indexed | 2024-03-10T22:03:04Z |
| format | Article |
| id | doaj.art-24ae491edccf411983ac8ed076f9f888 |
| institution | Directory Open Access Journal |
| issn | 1471-2229 |
| language | English |
| last_indexed | 2024-03-10T22:03:04Z |
| publishDate | 2023-10-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Plant Biology |
| spelling | doaj.art-24ae491edccf411983ac8ed076f9f8882023-11-19T12:52:54ZengBMCBMC Plant Biology1471-22292023-10-0123111810.1186/s12870-023-04514-2Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signalingYanping Zhang0Ziwen Su1Linjia Luo2Pengkai Wang3Xudong Zhu4Jiecai Liu5Chen Wang6College of Horticulture, Nanjing Agricultural UniversityCollege of Horticulture, Nanjing Agricultural UniversityCollege of Horticulture, Nanjing Agricultural UniversityFaculty of Horticultural Science and Technology, Suzhou Polytechnic Institute of AgricultureCollege of Horticulture, Nanjing Agricultural UniversityInner MongoliaAgricultural UniversityCollege of Horticulture, Nanjing Agricultural UniversityAbstract Background Fruit expansion stage is crucial to fruit yield and quality formation, and auxin plays a significant role by mediating multi-hormone signals during fruit expansion. However, till now, it is still unclear of the molecular regulatory network during auxin-mediated peach fruit expansion. Results Here, exogenous NAA application markedly increased IAA content and drastically decreased ABA content at the fruit expansion stage. Correspondingly, NAA mainly induced the auxin biosynthesis gene (1 PpYUCCA) and early auxin-responsive genes (7PpIAA, 3 PpGH3, and 14 PpSAUR); while NAA down-regulated ABA biosynthesis genes (2 PpNCED, 1 PpABA3, and 1 PpAAO3). In addition, many DEGs involved in other plant hormone biosynthesis and signal transduction were significantly enriched after NAA treatment, including 7 JA, 7 CTK, 6 ETH, and 3 GA. Furthermore, we also found that NAA treatment down-regulated most of genes involved in the growth and development of peach fruit, including the cell wall metabolism-related genes (PpEG), sucrose metabolism-related genes (PpSPS), phenylalanine metabolism-related genes (PpPAL, Pp4CL, and PpHCT), and transcription factors (PpNAC, PpMADS-box, PpDof, PpSBP, and PpHB). Conclusion Overall, NAA treatment at the fruit expansion stage could inhibit some metabolism processes involved in the related genes in the growth and development of peach fruit by regulating multiple-hormone signaling networks. These results help reveal the short-term regulatory mechanism of auxin at the fruit expansion stage and provide new insights into the multi-hormone cascade regulatory network of fruit growth and development.https://doi.org/10.1186/s12870-023-04514-2Auxin; peachFruit expansion stageMultiple-hormone signaling |
| spellingShingle | Yanping Zhang Ziwen Su Linjia Luo Pengkai Wang Xudong Zhu Jiecai Liu Chen Wang Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling BMC Plant Biology Auxin; peach Fruit expansion stage Multiple-hormone signaling |
| title | Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling |
| title_full | Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling |
| title_fullStr | Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling |
| title_full_unstemmed | Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling |
| title_short | Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling |
| title_sort | exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple hormone signaling |
| topic | Auxin; peach Fruit expansion stage Multiple-hormone signaling |
| url | https://doi.org/10.1186/s12870-023-04514-2 |
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