Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Genome-Wide Identification of Mango (Mangifera indica L.) MADS-Box Genes Related to Fruit Ripening

Bin Zheng
ORCID logo ,
Songbiao Wang
,
Hongxia Wu
,
Xiaowei Ma
ORCID logo ,
Wentian Xu
,
Kunliang Xie
,
Lingfei Shangguan
ORCID logo ,
Jinggui Fang
*
Version 1 : Received: 31 October 2023 / Approved: 1 November 2023 / Online: 1 November 2023 (13:06:19 CET)

A peer-reviewed article of this Preprint also exists.

Zheng, B.; Wang, S.; Wu, H.; Ma, X.; Xu, W.; Xie, K.; Shangguan, L.; Fang, J. Genome-Wide Identification of Mango (Mangifera indica L.) MADS-Box Genes Related to Fruit Ripening. Horticulturae 2023, 9, 1289. Zheng, B.; Wang, S.; Wu, H.; Ma, X.; Xu, W.; Xie, K.; Shangguan, L.; Fang, J. Genome-Wide Identification of Mango (Mangifera indica L.) MADS-Box Genes Related to Fruit Ripening. Horticulturae 2023, 9, 1289.

Abstract

MADS-box genes play a crucial role in fruit ripening, yet limited research has been conducted on mango. Based on the conserved domains of this gene family, 84 MADS-box genes were identified in the mango genome, including 22 type I and 62 type II MADS-box genes. Gene duplication analysis revealed that both tandem duplication and segmental replication significantly contributed to the expansion of MADS-box genes in the mango genome, with purifying selection playing a vital role in the segmental duplication events within the MiMADS gene family. Cis-acting element analysis demonstrated that most MiMADS genes were hormonally regulated and participated in the growth, development, and stress resistance of mango fruit. Moreover, through expression pattern analysis and phylogenetic tree construction, we identified six MiMADS genes belonging to the SEP1 subfamily and two belonging to the AG subfamily as potential candidates involved in mango ripening regulation. Notably, Mi08g17750 and Mi04g18430 from the SEP1 subfamily were identified as key regulators inhibiting mango fruit maturation; their interaction network was also analyzed. These findings provide a foundation for further investigation into the regulatory mechanisms underlying mango ripening.

Keywords

Genome; MADS; gene family; fruit maturation

Subject

Biology and Life Sciences, Horticulture

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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