Characterization of the Pale Yellow Petal/Xanthophyll Esterase gene family in citrus as candidates for carotenoid esterification in fruits
Copyright © 2020 Elsevier Ltd. All rights reserved..
In orange-pigmented citrus fruits, the xanthophyll esters are the predominant carotenoids, but their biosynthetic origin is currently unknown. In this work, seven PYP/XES (Pale Yellow Petal/ Xanthophyll esterase) genes were identified in Citrus genomes, but only PYP1-4 and 6 contained the structural domains essential for activity. The PYP/XES expression profiles in sweet orange and in other Citrus species such as lemon, mandarin and pummelo with marked differences in fruit pigmentation and content of xanthophylls esters, showed the upregulation of PYP1,2 and 6 genes during ripening only in orange-pigmented fruits. Moreover, transcript levels of PYP1, 2 and 6 genes in peel and pulp of sweet orange were accompanied by the accumulation of xanthophyll esters during ripening. This work reports for the first time the PYP/XES gene family in Citrus and strongly suggests its involvement in xanthophyll esterification in citrus fruit tissues and its influence in carotenoid accumulation and fruit pigmentation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:342 |
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| Enthalten in: |
Food chemistry - 342(2021) vom: 16. Apr., Seite 128322 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zacarías-García, Jaime [VerfasserIn] |
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| Links: |
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| Themen: |
36-88-4 |
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| Anmerkungen: |
Date Completed 19.02.2021 Date Revised 19.02.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.foodchem.2020.128322 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM316618276 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020 Elsevier Ltd. All rights reserved. | ||
| 520 | |a In orange-pigmented citrus fruits, the xanthophyll esters are the predominant carotenoids, but their biosynthetic origin is currently unknown. In this work, seven PYP/XES (Pale Yellow Petal/ Xanthophyll esterase) genes were identified in Citrus genomes, but only PYP1-4 and 6 contained the structural domains essential for activity. The PYP/XES expression profiles in sweet orange and in other Citrus species such as lemon, mandarin and pummelo with marked differences in fruit pigmentation and content of xanthophylls esters, showed the upregulation of PYP1,2 and 6 genes during ripening only in orange-pigmented fruits. Moreover, transcript levels of PYP1, 2 and 6 genes in peel and pulp of sweet orange were accompanied by the accumulation of xanthophyll esters during ripening. This work reports for the first time the PYP/XES gene family in Citrus and strongly suggests its involvement in xanthophyll esterification in citrus fruit tissues and its influence in carotenoid accumulation and fruit pigmentation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Carotenoid | |
| 650 | 4 | |a Citrus fruit | |
| 650 | 4 | |a Coloration | |
| 650 | 4 | |a Esterification | |
| 650 | 4 | |a Gene expression | |
| 650 | 4 | |a Ripening | |
| 650 | 4 | |a Sweet orange | |
| 650 | 4 | |a Xanthophyll acyl-transferase | |
| 650 | 7 | |a Xanthophylls |2 NLM | |
| 650 | 7 | |a Carotenoids |2 NLM | |
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| 650 | 7 | |a Esterases |2 NLM | |
| 650 | 7 | |a EC 3.1.- |2 NLM | |
| 700 | 1 | |a Lux, Peter E |e verfasserin |4 aut | |
| 700 | 1 | |a Carle, Reinhold |e verfasserin |4 aut | |
| 700 | 1 | |a Schweiggert, Ralf M |e verfasserin |4 aut | |
| 700 | 1 | |a Steingass, Christof B |e verfasserin |4 aut | |
| 700 | 1 | |a Zacarías, Lorenzo |e verfasserin |4 aut | |
| 700 | 1 | |a Rodrigo, María J |e verfasserin |4 aut | |
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