Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines

ABSTRACT: Mesocarp color is an important agronomic trait of Cucurbita maxima and is determined mainly by the contents and compositions of the carotenoids. The two inbred lines with significant differences in fruit flesh color were used in the study, the orange ‘312-1’ and white ‘98-2’. Changes in se...

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Autores principales:	Yusong Luo, Chaojie Wang, Manman Wang, Yunli Wang, Wenlong Xu, Hongyu Han, Zhichao Wang, Yujuan Zhong, Hexun Huang, Shuping Qu
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2021
Materias:	Cucurbita maxima Flesh color Lutein β-carotene Zeaxanthin Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/64f40f9269184d36a36282d463971bbd
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spelling	oai:doaj.org-article:64f40f9269184d36a36282d463971bbd2021-11-12T04:43:31ZAccumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines2468-014110.1016/j.hpj.2020.07.006https://doaj.org/article/64f40f9269184d36a36282d463971bbd2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2468014121000765https://doaj.org/toc/2468-0141ABSTRACT: Mesocarp color is an important agronomic trait of Cucurbita maxima and is determined mainly by the contents and compositions of the carotenoids. The two inbred lines with significant differences in fruit flesh color were used in the study, the orange ‘312-1’ and white ‘98-2’. Changes in seven carotenoid contents and compositions in the flesh of fruit produced by inbred lines ‘312-1’ and ‘98-2’ were analyzed during fruit development. The expression of eight key carotenoid biosynthesis genes in the fruit flesh were investigated during five fruit development stage in two inbred lines. As the flesh color intensified, the orange flesh color of ‘312-1’ was determined mainly by the increased contents of lutein, β-carotene and zeaxanthin and the lack of carotenoid accumulation led to the formation of white flesh in ‘98-2’ fruit. The expression of the LCY-e and CHYb genes was significantly stronger in ‘312-1’ than in ‘98-2’, and their expression was strongly correlated with lutein and β-carotene contents during fruit development. This study provides a deep understanding of the molecular mechanism of carotenoid biosynthesis in fruit flesh and provides a basis for additional studies on the highly refined improvement of squash quality.Yusong LuoChaojie WangManman WangYunli WangWenlong XuHongyu HanZhichao WangYujuan ZhongHexun HuangShuping QuKeAi Communications Co., Ltd.articleCucurbita maximaFlesh colorLuteinβ-caroteneZeaxanthinPlant cultureSB1-1110ENHorticultural Plant Journal, Vol 7, Iss 6, Pp 529-538 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Cucurbita maxima Flesh color Lutein β-carotene Zeaxanthin Plant culture SB1-1110
spellingShingle	Cucurbita maxima Flesh color Lutein β-carotene Zeaxanthin Plant culture SB1-1110 Yusong Luo Chaojie Wang Manman Wang Yunli Wang Wenlong Xu Hongyu Han Zhichao Wang Yujuan Zhong Hexun Huang Shuping Qu Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines
description	ABSTRACT: Mesocarp color is an important agronomic trait of Cucurbita maxima and is determined mainly by the contents and compositions of the carotenoids. The two inbred lines with significant differences in fruit flesh color were used in the study, the orange ‘312-1’ and white ‘98-2’. Changes in seven carotenoid contents and compositions in the flesh of fruit produced by inbred lines ‘312-1’ and ‘98-2’ were analyzed during fruit development. The expression of eight key carotenoid biosynthesis genes in the fruit flesh were investigated during five fruit development stage in two inbred lines. As the flesh color intensified, the orange flesh color of ‘312-1’ was determined mainly by the increased contents of lutein, β-carotene and zeaxanthin and the lack of carotenoid accumulation led to the formation of white flesh in ‘98-2’ fruit. The expression of the LCY-e and CHYb genes was significantly stronger in ‘312-1’ than in ‘98-2’, and their expression was strongly correlated with lutein and β-carotene contents during fruit development. This study provides a deep understanding of the molecular mechanism of carotenoid biosynthesis in fruit flesh and provides a basis for additional studies on the highly refined improvement of squash quality.
format	article
author	Yusong Luo Chaojie Wang Manman Wang Yunli Wang Wenlong Xu Hongyu Han Zhichao Wang Yujuan Zhong Hexun Huang Shuping Qu
author_facet	Yusong Luo Chaojie Wang Manman Wang Yunli Wang Wenlong Xu Hongyu Han Zhichao Wang Yujuan Zhong Hexun Huang Shuping Qu
author_sort	Yusong Luo
title	Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines
title_short	Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines
title_full	Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines
title_fullStr	Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines
title_full_unstemmed	Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines
title_sort	accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two cucurbita maxima inbred lines
publisher	KeAi Communications Co., Ltd.
publishDate	2021
url	https://doaj.org/article/64f40f9269184d36a36282d463971bbd
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Accumulation of carotenoids and expression of carotenoid biosynthesis genes in fruit flesh during fruit development in two Cucurbita maxima inbred lines

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