Evidence map›Paper›PMID 40739182›Full record

ArticleBMC plant biology2025

Genome-wide identification and analysis of the FLA gene family in maize (Zea mays L.) and its expression in response to abiotic stresses.

Yongyan Cao, Xuanxuan Chen, Bo Wei, Tuo Zeng, Hongcheng Wang, Bin Zhu, Xuye Du, Lei Gu

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Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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8 authors.

Yongyan Cao *School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Xuanxuan Chen *School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Bo WeiSchool of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Tuo ZengSchool of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Hongcheng WangSchool of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Bin ZhuSchool of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Xuye DuSchool of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
Lei GuSchool of Life Sciences, Guizhou Normal University, Guiyang, 550025, China. 201808009@gznu.edu.cn.

Funding

National Natural Science Foundation of China 32460461
6 · The paper itself

Abstract

backgroundFasciclin-like arabinogalactan proteins (FLAs) are a class of plant-specific proteins that contribute to various aspects of plant growth, development, and adaptation. However, these proteins have not yet been identified or characterized in maize. This study conducted bioinformatics and expression analyses of the ZmFLA gene family.

resultsBased on the homologous comparison methods, 27 ZmFLAs were identified in maize. They were unevenly distributed across ten maize chromosomes, forming 14 pairs of fragment replication with no tandem duplication, revealing that segmental duplication might be the main driving force of the family expansion. Ka/ks analysis of duplicated genes indicating ZmFLAs may undergoing both positively selected and purification selection in evolutionary history. Homologous evolutionary analysis classified 109 FLAs from maize (27 ZmFLAs), rice (27 OsFLAs), wheat (34 TaFLAs), and Arabidopsis (21 AtFLAs) into three groups. The gene structure and protein domain of the ZmFLAs in the same subfamily were highly conserved. The promoter regions of many ZmFLA family members comprised light-, plant growth/hormone-, and abiotic stress-responsive elements. RNA-seq data revealed that the expression pattern of ZmFLAs exhibited organizational specificity and could be influenced by heat, cold, drought, UV, and salt stresses. RT-qPCR of ten ZmFLAs (ZmFLA1/4/5/9/11/16/19/23/25/27) showed that they were either positively or negatively regulated by drought and salt stresses. These findings suggested that ZmFLAs might be involved in the maize response to drought and salt stresses.

conclusionTaken together, the comprehensive analysis of ZmFLAs in the whole genome provides a novel perspective on the evolutionary relationship among maize FLA genes and lays a foundation for further analysis of the biological functions of ZmFLAs.

Indexed as

MucoproteinsMultigene FamilyPlant ProteinsStress, PhysiologicalZea maysGene Expression Regulation, PlantGenes, PlantGenome, PlantPhylogenyarabinogalactan proteinsMucoproteinsPlant ProteinsBioinformatics analysisDrought and salt stressesFLA proteinGenome-wideMaize

Identifiers

PMID40739182
PMCPMC12309164

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