ArticleJournal of experimental botany2021
Potential interaction between autophagy and auxin during maize leaf senescence.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 22 citations in OpenAlex.
- Fungus Derived Indole-3-Acetic Acid Controls Developmental Conidial Death in Magnaporthe oryzae.Molecular plant pathology · 2026Article
- Imperative roles of auxin signaling in reprogramming of drought tolerance in plants.Plant cell reports · 2026Review
- Overexpression of theInternational journal of molecular sciences · 2026Article
- Autophagy-phytohormone crosstalk: a dual-regulation axis in plant development.Frontiers in plant science · 2026Review
- Genetic Analysis and Fine Mapping of a New Rice Mutant, Leaf Tip Senescence 2.International journal of molecular sciences · 2024Article
- RoPod, a customizable toolkit for non-invasive root imaging, reveals cell type-specific dynamics of plant autophagy.Scientific reports · 2024Article
- Article
- Autophagy in plants.Autophagy reports · 2024Review
- Genetic dissection of maize (Zea mays L.) chlorophyll content using multi-locus genome-wide association studies.BMC genomics · 2023Article
- A Novel Senescence-Specific Gene (International journal of molecular sciences · 2022Article
- Review
- Linking Autophagy to Potential Agronomic Trait Improvement in Crops.International journal of molecular sciences · 2022Review
- New Advances in the Regulation of Leaf Senescence by Classical and Peptide Hormones.Frontiers in plant science · 2022Review
- Network and Evolutionary Analysis Reveals Candidate Genes of Membrane Trafficking Involved in Maize Seed Development and Immune Response.Frontiers in plant science · 2022Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Leaf senescence is important for crop yield as delaying it can increase the average yield. In this study, population genetics and transcriptomic profiling were combined to dissect its genetic basis in maize. To do this, the progenies of an elite maize hybrid Jidan27 and its parental lines Si-287 (early senescence) and Si-144 (stay-green), as well as 173 maize inbred lines were used. We identified two novel loci and their candidate genes, Stg3 (ZmATG18b) and Stg7 (ZmGH3.8), which are predicted to be members of autophagy and auxin pathways, respectively. Genomic variations in the promoter regions of these two genes were detected, and four allelic combinations existed in the examined maize inbred lines. The Stg3Si-144/Stg7Si-144 allelic combination with lower ZmATG18b expression and higher ZmGH3.8 expression could distinctively delay leaf senescence, increase ear weight and the improved hybrid of NIL-Stg3Si-144/Stg7Si-144 × Si-144 significantly reduced ear weight loss under drought stress, while opposite effects were observed in the Stg3Si-287/Stg7Si-287 combination with a higher ZmATG18b expression and lower ZmGH3.8 expression. Thus, we identify a potential interaction between autophagy and auxin which could modulate the timing of maize leaf senescence.
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