Journal article
Salt-stress induced alterations in the root lipidome of two barley genotypes with contrasting responses to salinity
Functional Plant Biology, Vol.43(2), pp.207-219
2016
Abstract
Changes in lipid metabolism and composition as well as in distinct lipid species have been linked with altered plant growth, development and responses to environmental stresses including salinity. However, there is little information available in the literature focusing on lipids in roots under soil-related stresses such as salinity. Barley (Hordeum vulgare L.) is a major cereal grain and, as a glycophyte, suffers substantial yield loss when grown under saline conditions. Relatively little is understood of adaptation and tolerance mechanisms involving lipids and lipid metabolism in barley roots during development and under exposure to salinity stress. In this study we investigated the lipid composition of barley roots of Clipper and Sahara - two genotypes with contrasting responses to salinity - before and after salinity stress using a combination of three lipidomics techniques: Fatty acid compositional analysis, untargeted lipid profiling, and targeted analysis to profile quantitatively the individual molecular species of key plant lipid classes. Our results provide new insight into the effect of salinity on fatty acid profiles and key lipid classes within barley roots of two different genotypes, which is discussed in the context of current knowledge of the root metabolic responses of cereal crops to salinity stress
Details
- Title
- Salt-stress induced alterations in the root lipidome of two barley genotypes with contrasting responses to salinity
- Authors/Creators
- S.H.A. Natera (Author/Creator)C.B. Hill (Author/Creator)T.W.T. Rupasinghe (Author/Creator)U. Roessner (Author/Creator)
- Publication Details
- Functional Plant Biology, Vol.43(2), pp.207-219
- Publisher
- CSIRO Publishing
- Identifiers
- 991005543212107891
- Copyright
- © CSIRO 2016.
- Murdoch Affiliation
- State Agricultural Biotechnology Centre; School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.49 Plant Stress Responses
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science