ArticleJournal of experimental botany2013
Zm908p11, encoded by a short open reading frame (sORF) gene, functions in pollen tube growth as a profilin ligand in maize.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- The 'non-conventional' peptidome: A new layer in plant regulatory mechanisms.Plant communications · 2025Review
- lncRNA-Encoded Small Peptide Promotes Viral Infection.Molecular plant pathology · 2025Article
- The translatome of glioblastoma.Molecular oncology · 2025Article
- LncSL: A Novel Stacked Ensemble Computing Tool for Subcellular Localization of lncRNA by Amino Acid-Enhanced Features and Two-Stage Automated Selection Strategy.International journal of molecular sciences · 2024Article
- Article
- Review
- Small open reading frames in plant research: from prediction to functional characterization.3 Biotech · 2022Review
- Proteogenomic Analysis Provides Novel Insight into Genome Annotation and Nitrogen Metabolism inMicrobiology spectrum · 2021Article
- Characterization of novel pollen-expressed transcripts reveals their potential roles in pollen heat stress response in Arabidopsis thaliana.Plant reproduction · 2021Article
- Micropeptide.PLoS genetics · 2018Review
- Micropeptides Encoded in Transcripts Previously Identified as Long Noncoding RNAs: A New Chapter in Transcriptomics and Proteomics.Frontiers in genetics · 2018Review
- A calcium-dependent protein kinase, ZmCPK32, specifically expressed in maize pollen to regulate pollen tube growth.PloS one · 2018Article
- ZmDof30 Negatively Regulates the Promoter Activity of the Pollen-Specific GeneFrontiers in plant science · 2017Article
- An Alternative Nested Reading Frame May Participate in the Stress-Dependent Expression of a Plant Gene.Frontiers in plant science · 2017Article
- BnaA.bZIP1 Negatively Regulates a Novel Small Peptide Gene,Frontiers in plant science · 2017Article
- The Plant Peptidome: An Expanding Repertoire of Structural Features and Biological Functions.The Plant cell · 2015Review
- Yeast functional screen to identify genes conferring salt stress tolerance in Salicornia europaea.Frontiers in plant science · 2015Article
- Identification and characterization of sORF-encoded polypeptides.Critical reviews in biochemistry and molecular biologyReview
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7 authors.
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Abstract
Double fertilization of flowering plants depends on the targeted transportation of sperm to the embryo sac by the pollen tube. Currently, little is known about the underlying molecular mechanisms that regulate pollen germination and pollen tube growth in maize (Zea mays). Here, a maize pollen-predominant gene Zm908, with several putative short open reading frames (sORFs), was isolated and characterized. The longest ORF of Zm908 encodes a small protein of 97 amino acids. This was designated as Zm908p11 and is distributed throughout the maize pollen tube. Western blot detected the small peptide in mature pollen. Quantitative reverse transcription-PCR and northern blot analysis revealed that Zm908p11 was expressed predominantly in mature pollen grains. Ectopic overexpression of full-length Zm908 and Zm908p11 in tobacco resulted in defective pollen, while transgenic tobacco plants with a site-specific mutation or a frameshift mutation of Zm908p11 showed normal pollen development. Overexpression of Zm908p11 in maize decreased pollen germination efficiency. Maize pollen cDNA library screening and protein-protein interaction assays demonstrated that Zm908p11 interacts with maize profilin 1 (ZmPRO1). A microarray analysis identified 273 up-regulated and 203 down-regulated genes in the overexpressing transgenic Zm908p11 pollen. Taken together, these results indicate that Zm908 functions as Zm908p11, and binds to profilins as a novel ligand, with a required role during pollen tube growth in maize. Accordingly, a model is proposed for the role of Zm908p11 during pollen tube growth in maize.
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