ArticleInternational journal of molecular sciences2015
Molecular Mechanisms Underlying Hull-Caryopsis Adhesion/Separation Revealed by Comparative Transcriptomic Analysis of Covered/Naked Barley (Hordeum vulgare L.).
Article in International journal of molecular sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Unveiling the Potential of Functional Components in Hull-Less Barley Grains: Health Benefits, Structural Composition, and Genetic Advancements.Foods (Basel, Switzerland) · 2026Review
- Article
- Shedding New Light on the Hull-Pericarp Adhesion Mechanisms of Barley Grains by Transcriptomics Analysis of IsogenicInternational journal of molecular sciences · 2024Article
- Article
- Comparative de novo transcriptome analysis of barley varieties with different malting qualities.Functional & integrative genomics · 2020Article
- Conversion of hulled into naked barley by Cas endonuclease-mediated knockout of the NUD gene.BMC plant biology · 2020Article
- The Structure of the Barley Husk Influences Its Resistance to Mechanical Stress.Frontiers in plant science · 2020Article
- A tiered approach to genome-wide association analysis for the adherence of hulls to the caryopsis of barley seeds reveals footprints of selection.BMC plant biology · 2019Article
- Development and Quality of Barley Husk Adhesion Correlates With Changes in Caryopsis Cuticle Biosynthesis and Composition.Frontiers in plant science · 2019Article
- Husk to caryopsis adhesion in barley is influenced by pre- and post-anthesis temperatures through changes in a cuticular cementing layer on the caryopsis.BMC plant biology · 2017Article
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Authors and funding
4 authors.
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Abstract
The covered/naked caryopsis trait of barley is an important agronomic trait because it is directly linked to dietary use. The formation of covered/naked caryopsis is controlled by an NUD transcription factor, which is involved in pericarp cuticle development. However, the molecular mechanism underlying this trait remains so far largely unknown. In this study, comparative transcriptomes of grains three weeks after anthesis of Tibetan Hulless barley landrace Dulihuang and covered barley Morex were analyzed using RNA-seq technique. A total of 4031 differentially expressed genes (DEGs) were identified. The Nud gene was overexpressed in Morex, with trace expression in Dulihuang. Among seventeen cuticle related DEGs, sixteen were down regulated and one up regulated in Morex. These results suggest that the Nud gene in covered caryopsis might down regulate cuticle related genes, which may cause a permeable cuticle over pericarp, leading to a hull-caryopsis organ fusion. A functional cuticle covering the pericarp of naked caryopsis might be the result of deletion or low expression level of the Nud gene. The functional cuticle defines a perfect boundary to separate the caryopsis from the hull in naked barley.
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