Salt Stress Triggered Changes in Osmoregulation and Antioxidants in Herbaceous Perennial Inula Plants (Asteraceae)

Yıl 2019, Cilt: 34 Sayı: 1, 39 - 46, 30.06.2019

Necla Pehlivan Neslihan Saruhan Güler

https://doi.org/10.28955/alinterizbd.541949

Cited By: 2

Öz

Global demand to cure ailments is a growing
need. Inula genus extensively holds hundreds of species in warmer regions of
Europe and Asia. It is being well-known for its phytochemical and
pharmacological applications in industry thanks to its anti-inflammatory and
antimicrobial interests. However, growth and production of Inula in the
cutting-edge industry is commonly influenced by salt stress except for the
halophyte species such as the Inula
crithmoides. Salt tolerance level by means of changes in osmoregulation and
antioxidant systems in an herbaceous perennial Inula plant has been
biochemically evaluated here. Both salt stress treatments caused photosynthetic
pigments’ degradation, increase in the leaf levels of osmolytes, and induction
of oxidative stress indicated by the malondialdehyde (MDA). Higher hydrogen
peroxide (H2O2) amount was recorded in high
salt concentration than low salt. High salinity caused an increase in ascorbate
(ASC) and glutathione (GSH) contents besides target enzymes of Inula leaves.
NaCl tolerance of Inula also was found comprehensible through the higher
concentrations of proline and to a lesser extent, total soluble sugar. Salt
tolerance mechanisms of this rich bioresourse needs to be further studied in
detail for herbal medicines in pharma sector.

Anahtar Kelimeler

Inula, NaCl Stress, Proline, Total soluble sugar, Antioxidant system

Kaynakça

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