ArticlePlant molecular biology2005
Engrailed-ZmOCL1 fusions cause a transient reduction of kernel size in maize.
Article in Plant molecular biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- EMF2b-1 regulates endosperm cell cycling through PRC2 recruitment in maize.Genome biology · 2026Article
- Genome-Wide Identification of the HD-ZIP Transcription Factor Family in Maize and Functional Analysis of the Role ofPlants (Basel, Switzerland) · 2025Article
- HD-Zip IV transcription factors: Drivers of epidermal cell fate integrate metabolic signals.Current opinion in plant biology · 2023Review
- Genome-wide identification, bioinformatics and expression analysis of HD-Zip gene family in peach.BMC plant biology · 2023Article
- Deciphering carbohydrate metabolism during wheat grain development via integrated transcriptome and proteome dynamics.Molecular biology reports · 2020Article
- Combined GWAS and QTL analysis for dissecting the genetic architecture of kernel test weight in maize.Molecular genetics and genomics : MGG · 2020Article
- The E3 Ligase DROUGHT HYPERSENSITIVE Negatively Regulates Cuticular Wax Biosynthesis by Promoting the Degradation of Transcription Factor ROC4 in Rice.The Plant cell · 2018Article
- Article
- Genetic dissection of the maize kernel development process via conditional QTL mapping for three developing kernel-related traits in an immortalized F2 population.Molecular genetics and genomics : MGG · 2016Article
- Article
- Role of Homeodomain leucine zipper (HD-Zip) IV transcription factors in plant development and plant protection from deleterious environmental factors.International journal of molecular sciences · 2013Review
- Genome-wide characterization of the HD-ZIP IV transcription factor family in maize: preferential expression in the epidermis.Plant physiology · 2011Article
- Leaf rolling controlled by the homeodomain leucine zipper class IV gene Roc5 in rice.Plant physiology · 2011Article
- Overexpression of the epidermis-specific homeodomain-leucine zipper IV transcription factor Outer Cell Layer1 in maize identifies target genes involved in lipid metabolism and cuticle biosynthesis.Plant physiology · 2010Article
- wDBTF: an integrated database resource for studying wheat transcription factor families.BMC genomics · 2010Article
- Transcriptional and metabolic adjustments in ADP-glucose pyrophosphorylase-deficient bt2 maize kernels.Plant physiology · 2008Article
- A genome-wide survey of HD-Zip genes in rice and analysis of drought-responsive family members.Plant molecular biology · 2008Article
- Variation of metabolic profiles in developing maize kernels up- and down-regulated for the hda101 gene.Journal of experimental botany · 2008Article
- Characterization of the class IV homeodomain-Leucine Zipper gene family in Arabidopsis.Plant physiology · 2006Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
ZmOCL1 is the founding member of the ZmOCL (Outer Cell Layer) family encoding putative transcription factors of the HD-ZIP IV class. It is expressed in the L1 cell layer of the embryo and several other tissues of maize. After determination of the intron/exon structure a mutator insertion was isolated in the upstream region. No notable phenotypes and wildtype levels of ZmOCL1 transcript were observed in homozygous mutant plants. In contrast transgenic plants carrying a fusion of the repressor domain of the Drosophila Engrailed gene with the DNA binding and dimerisation domains of ZmOCL1 showed a transient reduction of embryo, endosperm and kernel size that was most obvious around 15 DAP. An inverse relationship was observed between the degree of size reduction and the expression level of the transcript. In reciprocal crosses the size reduction was only observed when the transgenic plants were used as females and no expression of male transmitted transgenes was detected. Smaller kernels resembled younger kernels of wild-type siblings indicating that interference with ZmOCL1 function leads to an overall slow-down of early kernel development. Based on marker gene analysis ZmOCL1 may act via a modification of gibberellin levels. Phylogenetic analyses based on the intron/exon structure and sequence similarities of ZmOCL1 and other HD-ZIP IV proteins from maize, rice and Arabidopsis helped to identify orthologues and suggested an evolution in the function of individual genes after the divergence of monocots and dicots.
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