Phytohormone profiling in relation to osmotic adjustment in NaCl-treated plants of the halophyte tomato wild relative species Solanum chilense comparatively to the cultivated glycophyte Solanum lycopersicum
Jazyk angličtina Země Irsko Médium print-electronic
Typ dokumentu srovnávací studie, časopisecké články
PubMed
28330565
DOI
10.1016/j.plantsci.2017.02.006
PII: S0168-9452(16)30827-5
Knihovny.cz E-zdroje
- Klíčová slova
- Halophyte, Hormone, Osmotic adjustment, Salinity, Solanum chilense, Tomato,
- MeSH
- chlorid sodný farmakologie MeSH
- fotosyntéza účinky léků MeSH
- halotolerantní rostliny chemie fyziologie MeSH
- listy rostlin chemie fyziologie MeSH
- osmóza MeSH
- průduchy rostlin účinky léků fyziologie MeSH
- regulátory růstu rostlin analýza fyziologie MeSH
- Solanum lycopersicum chemie fyziologie MeSH
- transpirace rostlin fyziologie MeSH
- Publikační typ
- časopisecké články MeSH
- srovnávací studie MeSH
- Názvy látek
- chlorid sodný MeSH
- regulátory růstu rostlin MeSH
A holistic approach was used to investigate the hormonal profile in relation with osmotic adjustment under salinity in Solanum lycopersicum and its halophyte wild relative Solanum chilense. Plants were subjected to 125mM NaCl for 7days. Solanum chilense displayed a contrasting behaviour comparatively to S. lycopersicum, not only for mineral nutrition, but also regarding the modalities of osmotic adjustment and phytohormonal profiling. The extent of osmotic adjustment was higher in S. chilense than in S. lycopersicum. Ions K+ and Na+ were the major contributors of osmotic adjustment in S. chilense, accounting respectively for 47 and 60% of osmotic potential. In contrast the contributions of proline and soluble sugars remained marginal for the two species although salt-induced accumulation of proline was higher in S. lycopersicum than in S. chilense. Both species also differed for their hormonal status under salinity and concentrations of most hormonal compounds were higher in S. chilense than in S. lycopersicum. Interestingly, salicylic acid, ethylene and cytokinins were positively correlated with osmotic potential in S. chilense under salinity while these hormones were negatively correlated with osmotic adjustment in S. lycopersicum. Our results suggested that the capacity to use inorganic ions as osmotica may improve salt resistance in S.chilense and that phytohormones could be involved in this process.
Institute of Experimental Botany Academy of Sciences of the Czech Republic Prague Czechia
Instituto de Investigaciones Agropecuarias La Cruz Chile
Laboratoire d'Ecologie végétale Faculté des Sciences Université de Tunis El Manar Tunisia
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