ArticleBMC genetics2019
Gene expression profiles that shape high and low oil content sesames.
Article in BMC genetics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed.
- Whole transcriptome sequencing fromFrontiers in plant science · 2026Article
- Genome-wide association study to identification of candidate genes influencing key seed traits in Perilla frutescens.BMC plant biology · 2025Article
- Lipid Metabolism and Improvement in Oilseed Crops: Recent Advances in Multi-Omics Studies.Metabolites · 2023Review
- Current Progress, Applications and Challenges of Multi-Omics Approaches in Sesame Genetic Improvement.International journal of molecular sciences · 2023Review
- Resequencing of 410 Sesame Accessions Identifies SINST1 as the Major Underlying Gene for Lignans Variation.International journal of molecular sciences · 2023Article
- Longer Duration of Active Oil Biosynthesis during Seed Development Is Crucial for High Oil Yield-Lessons from Genome-Wide In Silico Mining and RNA-Seq Validation in Sesame.Plants (Basel, Switzerland) · 2022Article
- Characterization of Peroxidase and Laccase Gene Families and In Silico Identification of Potential Genes Involved in Upstream Steps of Lignan Formation in Sesame.Life (Basel, Switzerland) · 2022Article
- A chromosome-level genome assembly of chia provides insights into high omega-3 content and coat color variation of its seeds.Plant communications · 2022Article
- An integrated omics analysis reveals the gene expression profiles of maize, castor bean, and rapeseed for seed oil biosynthesis.BMC plant biology · 2022Article
- Discovering favorable genes, QTLs, and genotypes as a genetic resource for sesame (Frontiers in genetics · 2022Review
- Comparative metabolomics analysis of different sesame (Sesamum indicum L.) tissues reveals a tissue-specific accumulation of metabolites.BMC plant biology · 2021Article
- Fine Mapping of a Major Pleiotropic QTL Associated with Sesamin and Sesamolin Variation in Sesame (Plants (Basel, Switzerland) · 2021Article
- Genome-Wide Analysis of nsLTP Gene Family and Identification ofInternational journal of molecular sciences · 2021Article
- Lignans of Sesame (Molecules (Basel, Switzerland) · 2021Review
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8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundSesame (Sesamum indicum) can accumulate over 60% oil in its seed. However, low oil content genotypes with an oil content of less than 50% are also observed. To gain insights into how genes shape this variation, we examined 22 seed and carpel transcriptomes from 3 varieties of sesame with high and low oil content.
resultsA total of 34.6~52.2% of the sesame genes were expressed with a RPKM greater than 5 in the 22 tissue samples. The expressed gene numbers tended to decrease in the seed but fluctuated in the carpels from 10 to 30 days post-anthesis (DPA). Compared with that of the low oil content sesames, the high oil content sesame exhibited more positive gene expression during seed development. Typically, genes involved in lipid biosynthesis were enriched and could distinguish the high and low genotypes at 30 DPA, suggesting the pivotal role of seed oil biosynthesis in the later stages. Key homologous lipid genes that function in TAG biosynthesis, including those that encoded glycerol-3-phosphate acyltransferase (GPAT), acyl-CoA:diacylglycerol acyltransferase (DGAT), and phospholipid:diacylglycerol acyltransferase (PDAT), were strengthened asynchronously at different stages, but the lipid transfer protein (LTP)-encoding genes, including SIN_1019175, SIN_1019172 and SIN_1010009, usually were highlighted in the high oil content sesames. Furthermore, a list of 23 candidate genes was identified and predicted to be beneficial for higher oil content accumulation. Despite the different gene expression patterns between the seeds and carpels, the two tissues showed a cooperative relationship during seed development, and biological processes, such as transport, catabolic process and small molecule metabolic process, changed synchronously.
conclusionsThe study elucidated the different expression profiles in high and low oil content sesames and revealed key stages and a list of candidate genes that shaped oil content variation. These findings will accelerate dissection of the genetic mechanism of sesame oil biosynthesis.
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