Genome-Wide Identification, Phylogenetic Analysis, and Expression Pattern of Polyamine Biosynthesis Gene Family in Pepper.

Duo Lin, Xianqi Zhao, Qingshan Hu, Su Wang, Yan Zhang, Zijian Xu

Abstract read

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Article in International journal of molecular sciences, 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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6 authors.

Duo LinCollege of Horticulture, Qingdao Agricultural University, Qingdao 266109, China.

Xianqi ZhaoCollege of Horticulture, Qingdao Agricultural University, Qingdao 266109, China.

Qingshan HuCollege of Horticulture, Qingdao Agricultural University, Qingdao 266109, China.

Su WangCollege of Horticulture, Qingdao Agricultural University, Qingdao 266109, China.

Yan ZhangCollege of Horticulture, Qingdao Agricultural University, Qingdao 266109, China.

Zijian XuCollege of Horticulture, Qingdao Agricultural University, Qingdao 266109, China.ORCID 0009-0000-0206-0371

Funding

Key R&D Program of Shandong Province 2024LZGC013Natural Science Foundation of Qingdao 24-4-4-zrjj-27-jchScience & Technology for Public Benefit Demonstration Project of Qingdao 25-1-5-xdny-13-nshSci-Tech Innovation Action Plan for Rural Vitalization of Shandong Province 2024TZXD019Vegetable Industrial Technology System of Shandong Province SDAIT0507

6 · The paper itself

Abstract

Polyamines (PAs), including putrescine, spermidine, spermine, and thermospermine, play essential roles in plant growth, development, and responses to stress. However, the structure and function of PA biosynthetic genes in pepper remain poorly characterized. This study aimed to identify PA biosynthesis genes in the pepper genome using bioinformatics approaches and to assess their expression under various stress conditions. A total of 16 PA biosynthesis-related genes were identified, representing members of the arginine decarboxylase (ADC), ornithine decarboxylase (ODC), agmatine iminohydrolase (AIH), N-carbamoylputrescine amidohydrolase (CPA), S-adenosylmethionine decarboxylase (SAMDC), spermidine synthase (SPDS), spermine synthase (SPMS), and ACAULIS5 (ACL5) gene families. These genes encode proteins with an average molecular weight of approximately 40 kDa, primarily localized in the mitochondria and cytoplasm. Promoter analysis revealed multiple

Indexed as

CapsicumGene Expression Regulation, PlantGenome, PlantPlant ProteinsPolyaminesMultigene FamilyPhylogenyPlant Growth RegulatorsPromoter Regions, GeneticStress, PhysiologicalPlant Growth RegulatorsPlant ProteinsPolyaminesabiotic stressgene expressiongenome-widepepperphytohormonepolyamines

Identifiers

PMID40943134

DOI10.3390/ijms26178208

PMCPMC12427771

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