The pineapple MADS-box gene family and the evolution of early monocot flower

Abstract Unlike the flower of the model monocot rice, which has diverged greatly from the ancestral monocot flower, the pineapple (Ananas comosus) flower is more typical of monocot flowers. Here, we identified 43 pineapple genes containing MADS-box domains, including 11 type I and 32 type II genes....

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Autores principales:	Juan Hu, Xiaojun Chang, Ying Zhang, Xianxian Yu, Yuan Qin, Yun Sun, Liangsheng Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7bf051d09f2e4d678d93619245650e17
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spelling	oai:doaj.org-article:7bf051d09f2e4d678d93619245650e172021-12-02T15:23:08ZThe pineapple MADS-box gene family and the evolution of early monocot flower10.1038/s41598-020-79163-82045-2322https://doaj.org/article/7bf051d09f2e4d678d93619245650e172021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79163-8https://doaj.org/toc/2045-2322Abstract Unlike the flower of the model monocot rice, which has diverged greatly from the ancestral monocot flower, the pineapple (Ananas comosus) flower is more typical of monocot flowers. Here, we identified 43 pineapple genes containing MADS-box domains, including 11 type I and 32 type II genes. RNA-seq expression data generated from five pineapple floral organs (sepals, petals, stamens, pistils, and ovules) and quantitative real-time PCR revealed tissue-specific expression patterns for some genes. We found that AcAGL6 and AcFUL1 were mainly expressed in sepals and petals, suggesting their involvement in the regulation of these floral organs. A pineapple ‘ABCDE’ model was proposed based on the phylogenetic analysis and expression patterns of MADS-box genes. Unlike rice and orchid with frequent species-specific gene duplication and subsequent expression divergence, the composition and expression of the ABCDE genes were conserved in pineapple. We also found that AcSEP1/3, AcAG, AcAGL11a/b/c, and AcFUL1 were highly expressed at different stages of fruit development and have similar expression profiles, implicating these genes’ role in fruit development and ripening processes. We propose that the pineapple flower can be used as a model for studying the ancestral form of monocot flowers to investigate their development and evolutionary history.Juan HuXiaojun ChangYing ZhangXianxian YuYuan QinYun SunLiangsheng ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Juan Hu Xiaojun Chang Ying Zhang Xianxian Yu Yuan Qin Yun Sun Liangsheng Zhang The pineapple MADS-box gene family and the evolution of early monocot flower
description	Abstract Unlike the flower of the model monocot rice, which has diverged greatly from the ancestral monocot flower, the pineapple (Ananas comosus) flower is more typical of monocot flowers. Here, we identified 43 pineapple genes containing MADS-box domains, including 11 type I and 32 type II genes. RNA-seq expression data generated from five pineapple floral organs (sepals, petals, stamens, pistils, and ovules) and quantitative real-time PCR revealed tissue-specific expression patterns for some genes. We found that AcAGL6 and AcFUL1 were mainly expressed in sepals and petals, suggesting their involvement in the regulation of these floral organs. A pineapple ‘ABCDE’ model was proposed based on the phylogenetic analysis and expression patterns of MADS-box genes. Unlike rice and orchid with frequent species-specific gene duplication and subsequent expression divergence, the composition and expression of the ABCDE genes were conserved in pineapple. We also found that AcSEP1/3, AcAG, AcAGL11a/b/c, and AcFUL1 were highly expressed at different stages of fruit development and have similar expression profiles, implicating these genes’ role in fruit development and ripening processes. We propose that the pineapple flower can be used as a model for studying the ancestral form of monocot flowers to investigate their development and evolutionary history.
format	article
author	Juan Hu Xiaojun Chang Ying Zhang Xianxian Yu Yuan Qin Yun Sun Liangsheng Zhang
author_facet	Juan Hu Xiaojun Chang Ying Zhang Xianxian Yu Yuan Qin Yun Sun Liangsheng Zhang
author_sort	Juan Hu
title	The pineapple MADS-box gene family and the evolution of early monocot flower
title_short	The pineapple MADS-box gene family and the evolution of early monocot flower
title_full	The pineapple MADS-box gene family and the evolution of early monocot flower
title_fullStr	The pineapple MADS-box gene family and the evolution of early monocot flower
title_full_unstemmed	The pineapple MADS-box gene family and the evolution of early monocot flower
title_sort	pineapple mads-box gene family and the evolution of early monocot flower
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7bf051d09f2e4d678d93619245650e17
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The pineapple MADS-box gene family and the evolution of early monocot flower

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