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At least 91 records · Page 5

Separate physiological roles for two isozymes of pyridine nucleotide-linked glycerol-3-phosphate dehydrogenase in chicken.

The isozymes considered are designated 'liver type' and 'muscle type' based on the tissue of highest concentration. Electrophoretic analysis shows that the liver type is found in small amounts or is undetectable in all tissues studied except liver. The muscle type is found in skeletal muscles and kidney. Presumptive hybrid enzymes occur at low levels in chicken liver and kidney. The tissue distribution of glyceron-3-P dehydrogenase in several birds capable of sustained flight is different than in chicken.

White, H. B., III↗

Phytanyl-glycerol ethers and squalenes in the archaebacterium Methanobacterium thermoautotrophicum

Gas chromatographic and mass- and infrared-spectrometric techniques are used to assay the lipids of a thermophilic chemolithotroph, Methanobacterium thermoautotrophicum. Of the chloroform-soluble lipids, 79% are polar and 21% non-polar. Attention is given to the detection of squalene and hydrosqualene derivatives, which, coupled with 16S r-RNA sequence homologies, indicate that the extreme halophiles and the methanogens share a common ancestor.

Tornabene, T. G.↗