Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Salt-induced Differential Gene Expression in Italian Ryegrass (Lolium multiflorum Lam.) Revealed by Annealing Control Primer Based GeneFishing approach

  • Lee, Ki-Won (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration) ;
  • Lee, Sang-Hoon (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration) ;
  • Choi, Gi Jun (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration) ;
  • Ji, Hee Jung (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration) ;
  • Hwang, Tae Young (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration) ;
  • Kim, Won Ho (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration) ;
  • Rahman, Md. Atikur (Grassland & Forages Division, National Institute of Animal Science, Rural Development Administration)
  • Received : 2017.08.29
  • Accepted : 2017.09.18
  • Published : 2017.09.30
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Abstract

Salt stress is one of the most limiting factors that reduce plant growth, development and yield. However, identification of salt-inducible genes is an initial step for understanding the adaptive response of plants to salt stress. In this study, we used an annealing control primer (ACP) based GeneFishing technique to identify differentially expressed genes (DEGs) in Italian ryegrass seedlings under salt stress. Ten-day-old seedlings were exposed to 100 mM NaCl for 6 h. Using 60 ACPs, a total 8 up-regulated genes were identified and sequenced. We identified several promising genes encoding alpha-glactosidase b, light harvesting chlorophyll a/b binding protein, metallothionein-like protein 3B-like, translation factor SUI, translation initiation factor eIF1, glyceraldehyde-3-phosphate dehydrogenase 2 and elongation factor 1-alpha. These genes were mostly involved in plant development, signaling, ROS detoxification and salt acclimation. However, this study provides new molecular information of several genes to understand the salt stress response. These genes would be useful for the enhancement of salt stress tolerance in plants.

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References

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