A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata

One of the largest and most significant transcription factor gene families in plants is the SQUAMOSA promoter binding protein (SBP) gene family and they perform critical regulatory roles in floral enhancement, fruit development, and stress resistance. The SBP protein family (also known as SPL) has n...

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Main Authors: Israt Jahan Mouri, Md. Shariful Islam
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Journal of Genetic Engineering and Biotechnology
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Online Access:http://www.sciencedirect.com/science/article/pii/S1687157X25000058
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author Israt Jahan Mouri
Md. Shariful Islam
author_facet Israt Jahan Mouri
Md. Shariful Islam
author_sort Israt Jahan Mouri
collection DOAJ
description One of the largest and most significant transcription factor gene families in plants is the SQUAMOSA promoter binding protein (SBP) gene family and they perform critical regulatory roles in floral enhancement, fruit development, and stress resistance. The SBP protein family (also known as SPL) has not yet been thoroughly studied in the staple fruit crop, banana. A perennial monocot plant, banana is essential for ensuring food and nutrition security. This work detected 41 SBP genes in the banana species Musa acuminata. The MaSBPs were subsequently elucidated by investigating their gene structure, chromosomal position, RNA-Seq data, along with evolutionary connections with Arabidopsis and rice. Sequence alignment of MaSBPs revealed that all genes included a domain of two Zn finger motifs (CCCH and CCHC motifs) with an overlapping nuclear localization signal region. The conserved motifs sequence in the inferred MaSBP proteins were quite comparable. According to findings, the time frame of divergence for duplicated MaSBP gene pairs ranged from 42.39 to 109.11 million years and the dicot Arabidopsis and monocotyledonous plant banana diverged before the division of banana and monocot rice. Moreover, cis-acting element and GO annotation analysis exhibited possible biological activities of MaSBPs in flower development, phytohormone regulation, and stress tolerance. RNA-Seq expression profiling exhibited that genes MaSBP-3, MaSBP-20, MaSBP-37, MaSBP-40 were more expressed during floral and fruit development stage. The foundation for additional investigation of SBP protein sequences in other plants can be laid out by this study, which will shed light on some of their crucial biological functions.
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spelling doaj-art-3f5c6ecf8d8a4d2381bbd3c59bc913f22025-08-20T02:58:52ZengElsevierJournal of Genetic Engineering and Biotechnology1687-157X2025-03-0123110046110.1016/j.jgeb.2025.100461A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminataIsrat Jahan Mouri0Md. Shariful Islam1Faculty of Biotechnology and Genetic Engineering, Sylhet Agricultural University, Sylhet 3100, BangladeshFaculty of Biotechnology and Genetic Engineering, Sylhet Agricultural University, Sylhet 3100, Bangladesh; Department of Molecular Biology and Genetic Engineering, Sylhet Agricultural University, Sylhet 3100, Bangladesh; Corresponding author.One of the largest and most significant transcription factor gene families in plants is the SQUAMOSA promoter binding protein (SBP) gene family and they perform critical regulatory roles in floral enhancement, fruit development, and stress resistance. The SBP protein family (also known as SPL) has not yet been thoroughly studied in the staple fruit crop, banana. A perennial monocot plant, banana is essential for ensuring food and nutrition security. This work detected 41 SBP genes in the banana species Musa acuminata. The MaSBPs were subsequently elucidated by investigating their gene structure, chromosomal position, RNA-Seq data, along with evolutionary connections with Arabidopsis and rice. Sequence alignment of MaSBPs revealed that all genes included a domain of two Zn finger motifs (CCCH and CCHC motifs) with an overlapping nuclear localization signal region. The conserved motifs sequence in the inferred MaSBP proteins were quite comparable. According to findings, the time frame of divergence for duplicated MaSBP gene pairs ranged from 42.39 to 109.11 million years and the dicot Arabidopsis and monocotyledonous plant banana diverged before the division of banana and monocot rice. Moreover, cis-acting element and GO annotation analysis exhibited possible biological activities of MaSBPs in flower development, phytohormone regulation, and stress tolerance. RNA-Seq expression profiling exhibited that genes MaSBP-3, MaSBP-20, MaSBP-37, MaSBP-40 were more expressed during floral and fruit development stage. The foundation for additional investigation of SBP protein sequences in other plants can be laid out by this study, which will shed light on some of their crucial biological functions.http://www.sciencedirect.com/science/article/pii/S1687157X25000058Musa acuminataSBP/SPLPhylogenyGO annotationCis-elementsRNA-Seq
spellingShingle Israt Jahan Mouri
Md. Shariful Islam
A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata
Journal of Genetic Engineering and Biotechnology
Musa acuminata
SBP/SPL
Phylogeny
GO annotation
Cis-elements
RNA-Seq
title A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata
title_full A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata
title_fullStr A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata
title_full_unstemmed A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata
title_short A comprehensive in silico genome-wide identification and characterization of SQUAMOSA promoter binding protein (SBP) gene family in Musa acuminata
title_sort comprehensive in silico genome wide identification and characterization of squamosa promoter binding protein sbp gene family in musa acuminata
topic Musa acuminata
SBP/SPL
Phylogeny
GO annotation
Cis-elements
RNA-Seq
url http://www.sciencedirect.com/science/article/pii/S1687157X25000058
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