Evidence map›Paper›PMID 41945173›Full record

ArticleMolecular biology reports2026

Genome-wide identification and characterization of the stress-associated proteins (SAPs) gene family in Amaranthus palmeri S. Watson.

Binbin Liu, Youning Wang, Lu Cai, Zhouxingyu Wang, Fulian Wang, Wang Chen, Dongfang Ma

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Article in Molecular biology reports, 2026. 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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7 authors.

Binbin Liu *MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, China.
Youning Wang *Hubei Key Laboratory of Resource Utilization and Quality Control of Characteristic Crops, College of Life Science and Technology, Hubei Engineering University, Xiaogan, 432000, China.
Lu CaiMARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, China.
Zhouxingyu WangMARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, China.
Fulian WangMARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, China.
Wang ChenMARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, China. chenwangchw@163.com.
Dongfang MaMARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, China. madf@yangtzeu.edu.cn.

Funding

National Key Research and Development Program of China 2024YFC2607600Natural Science Funds of Hubei Province of China 2024AFB1015Open Project Program of Key Laboratory of Integrated Pest Management on Crop in Central China, Ministry of Agriculture/Hubei Province Key Laboratory for Control of Crop Diseases, Pest and Weeds 2023ZTSJJ2
6 · The paper itself

Abstract

backgroundStress-associated proteins (SAPs) play pivotal roles in plant perception of and responses to various abiotic and biotic stresses. Despite their significant biological importance, comprehensive characterization of the SAP gene family in the invasive weed Amaranthus palmeri S. Watson remains limited. METHODS AND

resultsThrough genome-wide analysis, this study identified 12 SAP genes, designated ApSAP1-ApSAP12. Phylogenetic analysis grouped these genes into four distinct groups. Promoter sequence analysis revealed a high abundance of cis-acting elements associated with abiotic stress responses and plant hormone signaling, with particularly enriched elements related to abscisic acid (ABA) and methyl jasmonate (MeJA). This finding suggested that ApSAP genes may participate in hormone-mediated regulatory processes involved in environmental stress adaptation. Quantitative real-time PCR (qRT-PCR) expression profiling revealed that ApSAP3 and ApSAP8 exhibited strong induction under multiple abiotic stress conditions, including salt stress, osmotic stress, hormone treatments, and glufosinate ammonium treatment. Furthermore, subcellular localization experiments demonstrated that ApSAP8 predominantly accumulated in chloroplasts.

conclusionsThis study systematically characterizes the genomic structure, stress-related expression patterns, and subcellular localization of the SAP gene family in A. palmeri. These findings establish a molecular foundation for future investigations into SAP-mediated abiotic stress response mechanisms in invasive weeds.

Indexed as

AmaranthusPlant ProteinsStress, PhysiologicalAbscisic AcidCyclopentanesGene Expression ProfilingGene Expression Regulation, PlantGenome, PlantGenome-Wide Association StudyMultigene FamilyOxylipinsPhylogenyPlant Growth RegulatorsPromoter Regions, GeneticAbscisic AcidCyclopentanesOxylipinsPlant Growth RegulatorsPlant ProteinsAmaranthus palmeri S. WatsonCis-acting elementsSAP gene familyStress-associated proteinsStress response

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PMID41945173

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