Stocky1 , a Novel Gene Involved in Maize Seedling Development and Cuticle Integrity

The cuticle is the plant's outermost layer that covers the surfaces of aerial parts. This structure is composed of a variety of aliphatic molecules and is well-known for its protective role against biotic and abiotic stresses in plants. Mutants with a permeable cuticle show developmental defect...

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Bibliographic Details
Published in:Plants (Basel) 2022-03, Vol.11 (7), p.847
Main Authors: Gaiti, Angelo, Sangiorgio, Stefano, Faoro, Franco, Pozzi, Carlo Massimo, Gavazzi, Giuseppe, Pilu, Salvatore Roberto
Format: Article
Language:English
Subjects:
Chromosome 5
Climate change
Corn
Cuticles
Genes
Genotype & phenotype
Germination
Hormones
maize cuticle
Mutants
Mutation
Permeability
Phenotypes
Plant cuticle
Plant reproduction
Seed germination
seedling development
Seedlings
Stresses
Waxes
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Summary:The cuticle is the plant's outermost layer that covers the surfaces of aerial parts. This structure is composed of a variety of aliphatic molecules and is well-known for its protective role against biotic and abiotic stresses in plants. Mutants with a permeable cuticle show developmental defects such as organ fusions and altered seed germination and viability. In this study, we identified a novel maize mutant, , with unique features: lethal at the seedling stage, and showing a severely dwarfed phenotype, due to a defective cuticle. For the first time, the mutant was tentatively mapped to chromosome 5, bin 5.04. The mutant phenotype investigated in this work has the potential to contribute to the elucidation of the role of the cuticle during plant development. The possibility of controlling this trait is of relevance in the context of climate change, as it may contribute to tolerance to abiotic stresses.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants11070847