Enhanced Reduction of Ferredoxin in PGR5-Deficient Mutant of Stimulated Ferredoxin-Dependent Cyclic Electron Flow around Photosystem I.

The molecular entity responsible for catalyzing ferredoxin (Fd)-dependent cyclic electron flow around photosystem I (Fd-CEF) remains unidentified. To reveal the in vivo molecular mechanism of Fd-CEF, evaluating ferredoxin reduction-oxidation kinetics proves to be a reliable indicator of Fd-CEF activity. Recent research has demonstrated that the expression of Fd-CEF activity is contingent upon the oxidation of plastoquinone.

Evaluating the Oxidation Rate of Reduced Ferredoxin in Independent of Photosynthetic Linear Electron Flow: Plausible Activity of Ferredoxin-Dependent Cyclic Electron Flow around Photosystem I.

The activity of ferredoxin (Fd)-dependent cyclic electron flow (Fd-CEF) around photosystem I (PSI) was determined in intact leaves of . The oxidation rate of Fd reduced by PSI (vFd) and photosynthetic linear electron flow activity are simultaneously measured under actinic light illumination. The vFd showed a curved response to the photosynthetic linear electron flow activity.

Higher Reduced State of Fe/S-Signals, with the Suppressed Oxidation of P700, Causes PSI Inactivation in .

Environmental stress increases the risk of electron accumulation in photosystem I (PSI) of chloroplasts, which can cause oxygen (O) reduction to superoxide radicals and decreased photosynthetic ability. We used three lines: wild-type (WT) and the mutants and -/. These lines have different reduced states of iron/sulfur (Fe/S) signals, including F, F/F and ferredoxin, the electron carriers at the acceptor side of PSI.

Anthracyclines for acute lymphoblastic leukemia in a child with congenital long QT syndrome.

Anthracyclines are key drugs for the treatment of children with acute lymphoblastic leukemia (ALL). However, anthracyclines are known to induce QT prolongation, and life-threatening complications, such as torsades de pointe may also occur. To date, there have been no reports on the use of anthracyclines in patients with congenital long QT syndrome (LQTS).

Serum KL-6 level in newborns with meconium aspiration syndrome.

Background: It has been reported that serum KL-6 increases in babies with progressing chronic lung disease (CLD). However, there have been few reports assessing KL-6 in meconium aspiration syndrome (MAS). KL-6 was measured in neonates with respiratory diseases including MAS.