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Showing results 1 to 4 of 4

Journal article

Impairment in O-acetylserine-(thiol) lyase A and B, but not C, confers higher selenate sensitivity and uncovers role for A, B and C as L-Cys and L-SeCys desulfhydrases in Arabidopsis

Authors : Kurmanbayeva, Assylay; Bekturova, Aizat; Soltabayeva, Aigerim (2020)

The cytosolic OASTLA and chloroplastic OASTLB have significantly higher desulfhydrase activity rates than the cytosolic DES1 and are able to degrade L-Cys and L-SeCys to sulfide and selenide, respectively in Arabidopsis.

Journal article

Myo-inositol Oxygenase Overexpression Rescues Vitamin C Deficient Arabidopsis (vtc) Mutants

Authors : Lucia, M. Acosta-Gamboa (2021)

Biosynthesis of L-ascorbate (AsA) in plants is carried out by a complex metabolic network, which involves D-mannose/L-galactose, D-galacturonate, L-gulose, and myo-inositol as main precursors. Arabidopsis lines over-expressing enzymes in the myo-inositol pathway have elevated AsA, accumulate more biomass of both aerial and root tissues, and are tolerant to abiotic stresses as shown by manual and digital phenotyping. We crossed myo-inositol oxygenase (MIOX4) over...

Journal article

Providing an additional electron sink by the introduction of cyanobacterial flavodiirons enhances the growth of Arabidopsis thaliana in varying light

Authors : Tula, Suresh; Shahinnia, Fahimeh; Melzer, Michael (-)

The ability of plants to maintain photosynthesis in a dynamically changing environment is of central importance for their growth. As their photosynthetic machinery typically cannot adapt rapidly to fluctuations in the intensity of radiation, the level of photosynthetic efficiency is not always optimal. Cyanobacteria, algae, non-vascular plants (mosses and liverworts) and gymnosperms all produce flavodiirons (Flvs), a class of proteins not represented in the angiosperms...

Journal article

Sphingolipid-Induced Programmed Cell Death Is a Salicylic Acid and EDS1-Dependent Phenotype in Arabidopsis

Authors : König, Stefanie (2021)

Ceramides and long chain bases (LCBs) are plant sphingolipids involved in the induction of plant programmed cell death (PCD). The fatty acid hydroxylase mutant fah1 fah2 exhibits high ceramide levels and moderately elevated LCB levels. Salicylic acid (SA) is strongly induced in these mutants, but no cell death is visible. To determine the effect of ceramides with different chain lengths, fah1 fah2 was crossed with ceramide ...