{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["45(2)"],"submitter":["Gao B"],"pubmed_abstract":["Maize, a primary global food crop, is crucial for food security. In recent years, climatic and other abiotic stresses have led to frequent global droughts. Ascorbate peroxidase (APX) plays a vital role in the ascorbate-glutathione cycle. Under drought stress, APX effectively scavenges reactive oxygen species (ROS) produced by plants and maintains the normal growth and development of organisms. This study successfully amplified APX-related genes, and the <i>ZmAPX2</i> gene was screened using expression analysis. pCAMBIA3301-ZmAPX2-Bar and pCXB053-ZmAPX2-Bar plant expression vectors were constructed and transformed into the maize inbred line H120. Drought tolerance of plants was analyzed by phenotypic characteristics, physiological and biochemical indices in T<sub>2</sub> generation positive"],"journal":["Molecular breeding : new strategies in plant improvement"],"pagination":["27"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11829862"],"repository":["biostudies-literature"],"pubmed_title":["The overexpression of &lt;i&gt;ascorbate peroxidase&lt;/i&gt; 2 (&lt;i&gt;APX2&lt;/i&gt;) gene improves drought tolerance in maize."],"pmcid":["PMC11829862"],"pubmed_authors":["Gao B","Qu J","Guan S","Ma Y","Liu S","Wang Y","Miao M","Zhao Y"],"additional_accession":[]},"is_claimable":false,"name":"The overexpression of &lt;i&gt;ascorbate peroxidase&lt;/i&gt; 2 (&lt;i&gt;APX2&lt;/i&gt;) gene improves drought tolerance in maize.","description":"Maize, a primary global food crop, is crucial for food security. In recent years, climatic and other abiotic stresses have led to frequent global droughts. Ascorbate peroxidase (APX) plays a vital role in the ascorbate-glutathione cycle. Under drought stress, APX effectively scavenges reactive oxygen species (ROS) produced by plants and maintains the normal growth and development of organisms. This study successfully amplified APX-related genes, and the <i>ZmAPX2</i> gene was screened using expression analysis. pCAMBIA3301-ZmAPX2-Bar and pCXB053-ZmAPX2-Bar plant expression vectors were constructed and transformed into the maize inbred line H120. Drought tolerance of plants was analyzed by phenotypic characteristics, physiological and biochemical indices in T<sub>2</sub> generation positive","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Feb","modification":"2026-07-15T21:33:39.353Z","creation":"2026-07-09T10:13:28.289Z"},"accession":"S-EPMC11829862","cross_references":{"pubmed":["39963376"],"doi":["10.1007/s11032-025-01548-2"]}}