ArticleScientific reports2018
Differences in hydrolytic enzyme activity accompany natural variation in mature aleurone morphology in barley (Hordeum vulgare L.).
Article in Scientific reports, 2018. 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, 37 citations in OpenAlex.
- Article
- The aleurone layer of cereal grains: Development, genetic regulation, and breeding applications.Plant communications · 2025Review
- Pulsed Electric Field Treatment Modulates Gene Expression and Stress Responses in Fusarium-Infected Malting Barley.Plants (Basel, Switzerland) · 2025Article
- Responses of α-amylase and protease activity to chemical agents and metallic salts in barley seeds (Heliyon · 2025Article
- The effect of L-cysteine on starch and protein degradation during barley germination.Biotechnology letters · 2024Article
- Impact of Foliar Application of ZnO and FePlants (Basel, Switzerland) · 2022Article
- Enzyme and Antioxidant Activities of Malted Bambara Groundnut as Affected by Steeping and Sprouting Times.Foods (Basel, Switzerland) · 2022Article
- Identification of candidate MYB transcription factors that influenceFrontiers in plant science · 2022Article
- The dynamics of indigenous epiphytic bacterial and fungal communities of barley grains through the commercial malting process in Western Canada.Current research in food science · 2022Article
- Genes That Mediate Starch Metabolism in Developing and Germinated Barley Grain.Frontiers in plant science · 2021Article
- Effect of FeTheScientificWorldJournal · 2021Article
- Comparative de novo transcriptome analysis of barley varieties with different malting qualities.Functional & integrative genomics · 2020Article
- Transcriptional and biochemical analyses of gibberellin expression and content in germinated barley grain.Journal of experimental botany · 2020Article
- Overexpression of HvCslF6 in barley grain alters carbohydrate partitioning plus transfer tissue and endosperm development.Journal of experimental botany · 2020Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
The aleurone is a critical component of the cereal seed and is located at the periphery of the starchy endosperm. During germination, the aleurone is responsible for releasing hydrolytic enzymes that degrade cell wall polysaccharides and starch granules, which is a key requirement for barley malt production. Inter- and intra-species differences in aleurone layer number have been identified in the cereals but the significance of this variation during seed development and germination remains unclear. In this study, natural variation in mature aleurone features was examined in a panel of 33 Hordeum vulgare (barley) genotypes. Differences were identified in the number of aleurone cell layers, the transverse thickness of the aleurone and the proportion of aleurone relative to starchy endosperm. In addition, variation was identified in the activity of hydrolytic enzymes that are associated with germination. Notably, activity of the free fraction of β-amylase (BMY), but not the bound fraction, was increased at grain maturity in barley varieties possessing more aleurone. Laser capture microdissection (LCM) and transcriptional profiling confirmed that HvBMY1 is the most abundant BMY gene in developing grain and accumulates in the aleurone during early stages of grain fill. The results reveal a link between molecular pathways influencing early aleurone development and increased levels of free β-amylase enzyme, potentially highlighting the aleurone as a repository of free β-amylase at grain maturity.
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