biostudies-literatureChai PChina Agriculture Research SystemNational Key R&amp;D PlanFirst Class Project of Shennong LaboratoryNational Natural Science Foundation of Chinathe China Agriculture Research Systemthe National Key R&amp;amp;D Planthe National Natural Science Foundation of China265https://www.ebi.ac.uk/biostudies/studies/S-EPMC10970321biostudies-literatureUnknown15(3)Phenylalanine ammonia-lyase (PAL) is an essential enzyme in the phenylpropanoid pathway, in which numerous aromatic intermediate metabolites play significant roles in plant growth, adaptation, and disease resistance. Cultivated peanuts are highly susceptible to <i>Aspergillus flavus</i> L. infection. Although <i>PAL</i> genes have been characterized in various major crops, no systematic studies have been conducted in cultivated peanuts, especially in response to <i>A. flavus</i> infection. In the present study, a systematic genome-wide analysis was conducted to identify <i>PAL</i> genes in the <i>Arachis hypogaea</i> L. genome. Ten <i>AhPAL</i> genes were distributed unevenly on nine <i>A. hypogaea</i> chromosomes. Based on phylogenetic analysis, the <i>AhPAL</i> proteins were classified iGenesGenome-Wide Characterization of the Phenylalanine Ammonia-Lyase Gene Family and Their Potential Roles in Response to <i>Aspergillus flavus</i> L. Infection in Cultivated Peanut (<i>Arachis hypogaea</i> L.).PMC1097032131871663CARS-132022YFD120040032301851SN01-2002-03Liu HDu PZheng ZCui MDong WChai PChen LWu CGuo THan SXu JGuo JZhao QZhang XHuang BfalseGenome-Wide Characterization of the Phenylalanine Ammonia-Lyase Gene Family and Their Potential Roles in Response to <i>Aspergillus flavus</i> L. Infection in Cultivated Peanut (<i>Arachis hypogaea</i> L.).Phenylalanine ammonia-lyase (PAL) is an essential enzyme in the phenylpropanoid pathway, in which numerous aromatic intermediate metabolites play significant roles in plant growth, adaptation, and disease resistance. Cultivated peanuts are highly susceptible to <i>Aspergillus flavus</i> L. infection. Although <i>PAL</i> genes have been characterized in various major crops, no systematic studies have been conducted in cultivated peanuts, especially in response to <i>A. flavus</i> infection. In the present study, a systematic genome-wide analysis was conducted to identify <i>PAL</i> genes in the <i>Arachis hypogaea</i> L. genome. Ten <i>AhPAL</i> genes were distributed unevenly on nine <i>A. hypogaea</i> chromosomes. Based on phylogenetic analysis, the <i>AhPAL</i> proteins were classified i2024-01-01T00:00:00Z2024 Feb2026-05-28T03:07:45.602Z2024-11-06T00:57:27.344ZS-EPMC109703213854032410.3390/genes15030265