ArticleBMC plant biology2018
Identification of genes regulating ovary differentiation after pollination in hazel by comparative transcriptome analysis.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 26 citations in OpenAlex.
- Three-dimensional characterization of hazelnut (Corylus avellana L.) fruit development based on X-ray micro-computed tomography.Scientific reports · 2025Article
- Multiplex CRISPR-Cas9 knockout of EIL3, EIL4, and EIN2L advances soybean flowering time and pod set.BMC plant biology · 2023Article
- Genome-Wide Identification of theFrontiers in plant science · 2021Article
- Chromosome-Level Genome Assembly and HazelOmics Database Construction Provides Insights Into Unsaturated Fatty Acid Synthesis and Cold Resistance in Hazelnut (Frontiers in plant science · 2021Article
- Identification of vital candidate microRNA/mRNA pairs regulating ovule development using high-throughput sequencing in hazel.BMC developmental biology · 2020Article
- Whole-Genome Re-Sequencing ofFrontiers in plant science · 2019Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundHazel (Corylus spp.) exhibits ovary differentiation and development that is initiated from the ovary primordium after pollination, conferring the plant with a unique delayed fertilization. Failure of development of the ovary and ovule after pollination can lead to ovary abortion and blank fruit formation, respectively, with consequent yield loss. However, the genes involved in ovary and ovule differentiation and development are largely unknown.
resultsIn unpollinated pistillate inflorescences (stage F), the stigma shows an extension growth pattern. After pollination, a rudimentary ovary begins to form (stage S), followed by ovule differentiation (stage T) and growth (stage FO). Total RNA was obtained from pistillate inflorescences or young ovaries at stage F, S, T and FO, and sequencing was carried out on a HiSeq 4000 system. De novo assembly of sequencing data yielded 62.58 Gb of nucleotides and 90,726 unigenes; 5524, 3468, and 8714 differentially expressed transcripts were identified in F-vs-S, S-vs-T, and T-vs-FO paired comparisons, respectively. An analysis of F-vs-S, S-vs-T, and T-vs-FO paired comparisons based on annotations in the Kyoto Encyclopedia of Genes and Genomes revealed six pathways that were significantly enriched during ovary differentiation, including ko04075 (Plant hormone signal transduction). Auxin level increased after pollination, and an immunohistochemical analysis indicated that auxin was enriched at the growth center of pistillate inflorescences and young ovaries. These results indicate that genes related to auxin biosynthesis, transport, signaling, the floral quartet model, and flower development may regulate ovary and ovule differentiation and development in hazel.
conclusionsOur findings provide insight into the molecular mechanisms of ovary differentiation and development after pollination in this economically valuable plant.
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