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7 rezultatov
Regulation of respiration in rotenone-treated tobacco cell suspension cultures.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Cells of Nicotiana tabacum L. suspension cultures were treated with the respiratory inhibitor rotenone, which specifically inhibits complex I activity of mitochondria. Rotenone retarded cell growth, as shown by decreases in fresh weight, dry weight and cell numbers on a suspension-volume basis.
Lack of mitochondrial and nuclear-encoded subunits of complex I and alteration of the respiratory chain in Nicotiana sylvestris mitochondrial deletion mutants.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
We previously have shown that Nicotiana sylvestris cytoplasmic male sterile (CMS) mutants I and II present large mtDNA deletions and that the NAD7 subunit of complex I (the main dehydrogenase of the mitochondrial respiratory chain) is absent in CMS I. Here, we show that, despite a large difference
Identification of a mitochondrial external NADPH dehydrogenase by overexpression in transgenic Nicotiana sylvestris.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
The plant respiratory chain contains a complex setup of non-energy conserving NAD(P)H dehydrogenases, the physiological consequences of which are highly unclear. An expression construct for the potato (Solanum tuberosum L., cv. Desiree) ndb1 gene, a homologue of bacterial and fungal type II NAD(P)H
Mitochondrial complex I impairment and differential carbon monoxide sensitivity of cytochrome c oxidase in wild type and CMS II mutants of Nicotiana sylvestris.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Plant mitochondria unlike their animal counterpart have some unique features with highly branched respiratory chain. The present work was undertaken in order to investigate the effect of loss/dysfunction of plant mitochondrial complex I on the relative flux of electrons through alternative oxidase
Targeting the NAD7 subunit to mitochondria restores a functional complex I and a wild type phenotype in the Nicotiana sylvestris CMS II mutant lacking nad7.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
The mitochondrial DNA of the Nicotiana sylvestris CMSII mutant carries a 72-kb deletion comprising the single copy nad7 gene that encodes the NAD7 subunit of the respiratory complex I (NADH-ubiquinone oxidoreductase). CMSII plants lack rotenone-sensitive complex I activity and are impaired in
Leaf mitochondria modulate whole cell redox homeostasis, set antioxidant capacity, and determine stress resistance through altered signaling and diurnal regulation.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
To explore the role of plant mitochondria in the regulation of cellular redox homeostasis and stress resistance, we exploited a Nicotiana sylvestris mitochondrial mutant. The cytoplasmic male-sterile mutant (CMSII) is impaired in complex I function and displays enhanced nonphosphorylating
Complex I impairment, respiratory compensations, and photosynthetic decrease in nuclear and mitochondrial male sterile mutants of Nicotiana sylvestris.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
We have previously shown that in Nicotiana sylvestris cytoplasmic male-sterile (CMS) mutants where the mtDNA lacks the nad7 gene coding for a subunit of respiratory Complex I (NADH:ubiquinone oxidoreductase, EC 1.6.5.3), glycine (Gly) oxidation was lower than in the wild type and insensitive to
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