Benzoate Derivatives as Intermediates in the Biosynthesis of Coenzyme Q in the Rat

Coenzyme Q Biosynthesis: An Update on the Origins of the Benzenoid Ring and Discovery of New Ring Precursors

“…They speculated that these decreases could be due to the loss of Hfd1, or might result from a general respiratory deficiency. In the latter case, Robinson et al [62] postulated that an increase in the ratio of 4-HPL to 4-HPP may reflect the need for NAD + , and their interconversion may function similarly to lactate/pyruvate, to maintain the NAD + /NADH redox balance necessary for growth [64]. The other confounding observation was that the most abundant 13 C-labeled catabolites (4-HPA and 4-HPL) did not rescue the respiratory growth deficiency when added to the aro8aro9aro2 mutant.…”

Magnetic Resonance Studies of Ion Solvation. The Coordination Number of Gallium(III) Ions in Aqueous Solutions

“…The coordination number was determined from the ratio of areas of the bound to the free water, where one is shifted relative to the other by the addition of Co2+ ions, and also was determined from a measurement of the shift of the free water relative to reference pure water. [2][3][4] To pure water containing about 10% 170 and acidified with perchloric acid four successive amounts of cobaltous perchlorate were added. The paramagnetic shift of the 17G of the water molecules was measured relative to a pure water reference.…”

Complete Sequence of Biosynthesis from p-Hydroxybenzoic Acid to Ubiquinone1

“…the free water, where one is shifted relative to the other by the addition of Co2+ ions, and also was determined from a measurement of the shift of the free water relative to reference pure water. [2][3][4] To pure water containing about 10% 170 and acidified with perchloric acid four successive amounts of cobaltous perchlorate were added. The paramagnetic shift of the 17G of the water molecules was measured relative to a pure water reference.…”