Journal
PLANT BIOSYSTEMS
Volume 156, Issue 1, Pages 232-241Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/11263504.2020.1851790
Keywords
Sorghum; RNA-seq; grain color; breeding; phenolic
Categories
Funding
- Inner Mongolia Science and Technology Innovation Guide Project [KJCX1702]
- Inner Mongolia Autonomous Region Education Department Project [NJZY17193]
- Inner Mongolia Autonomous Region Educational Science Research Thirteenth Five-Year Plan [NGJGH2018095]
- Natural Science Foundation of Inner Mongolia Autonomous Region [2019MS03076]
- Inner Mongolia Autonomous Region Science and Technology Plan [2020GG0102]
- Research Project of Inner Mongolia University for Nationalities [NMDYB18036]
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This study revealed the differential gene expression among different sorghum cultivars through RNA-seq analysis, and identified key metabolic pathways that affect grain appearance and nutritional value. Additionally, new genes and SNPs were discovered. These findings provide valuable information for sorghum breeding.
Sorghum is a globally important C4 crop that serves both as staple food and as bio-fuel, and showed high phenotypic variation in grain quality. In this study, we performed RNA-seq in grains of three local Sorghum cultivars Z6, Z27 and HC4, which have differential agronomic traits especially in grain color. Our analysis revealed more than 3000 differentially expressed genes among the three cultivars. The differentially expressed genes were enriched in carbohydrate, amino acid and flavonoid metabolic pathways, which may affect the appearance and nutrition value of grains. We also identified new genes and SNPs in the three cultivars. Our results revealed the transcriptome variations among different Sorghum cultivars that correlates with grain nutrition, and provided valuable information for sorghum breeding.
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