| Autor: |
Islas-Flores, Jean Wildort Félix, María Inés Granados-Alegría, Rufino Gómez-Tah, Miguel Tzec-Simá, Eliel Ruíz-May, Blondy Canto-Canché, Jesús Alejandro Zamora-Briseño, Esaú Bojórquez-Velázquez, Carlos Oropeza-Salín, Ignacio |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
International Journal of Molecular Sciences; Volume 24; Issue 13; Pages: 10431 |
| ISSN: |
1422-0067 |
| DOI: |
10.3390/ijms241310431 |
| Popis: |
Cocos nucifera L. is a crop grown in the humid tropics. It is grouped into two classes of varieties: dwarf and tall; regardless of the variety, the endosperm of the coconut accumulates carbohydrates in the early stages of maturation and fatty acids in the later stages, although the biochemical factors that determine such behavior remain unknown. We used tandem mass tagging with synchronous precursor selection (TMT-SPS-MS3) to analyze the proteomes of solid endosperms from Yucatan green dwarf (YGD) and Mexican pacific tall (MPT) coconut cultivars. The analysis was conducted at immature, intermediate, and mature development stages to better understand the regulation of carbohydrate and lipid metabolisms. Proteomic analyses showed 244 proteins in YGD and 347 in MPT; from these, 155 proteins were shared between both cultivars. Furthermore, the proteomes related to glycolysis, photosynthesis, and gluconeogenesis, and those associated with the biosynthesis and elongation of fatty acids, were up-accumulated in the solid endosperm of MPT, while in YGD, they were down-accumulated. These results support that carbohydrate and fatty acid metabolisms differ among the developmental stages of the solid endosperm and between the dwarf and tall cultivars. This is the first proteomics study comparing different stages of maturity in two contrasting coconut cultivars and may help in understanding the maturity process in other palms. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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