منابع مشابه
Cyanide-insensitive Respiration in Pea Cotyledons.
Mitochondria isolated by a zonal procedure from the cotyledons of germinating peas possessed a cyanide-resistant respiration. This respiration was virtually absent in mitochondria isolated during the first 24 hours of germination but thereafter increased gradually until the 6th or 7th day of seedling development. At this time between 15 and 20% of the succinate oxidation was not inhibited by cy...
متن کاملCyanide - insensitive Respiration in Plant Mitochondrial
Pathways of electron transport have been studied in mitochondria isolated from hypocotyls of etiolated mung bean seedlings and skunk cabbage spadices that show cyanide-resistant respiratory activity. The residual flux through cytochrome c oxidase is shown to be small in comparison with the flux through an unidentified alternative oxidase that is known to have a high affinity for oxygen. This al...
متن کاملInduction of cyanide-insensitive respiration in Neurospora crassa.
Treatment of cultures of Neurospora crassa with chloramphenicol results in the appearance of a mitochondrial respiratory pathway that is insensitive to cyanide and antimycin A but is inhibited by salicylhpdroxamic acid. Under the experimental conditions employed, protein(s) required for the expression of the alternate pathway is synthesized on cytoplasmic ribosomes at a constant rate for 2.5 ho...
متن کاملMalate Oxidation and Cyanide-Insensitive Respiration in Avocado Mitochondria during the Climacteric Cycle.
After preparation on self-generated Percoll gradients, avocado (Persea americana Mill, var. Fuerte and Hass) mitochondria retain a high proportion of cyanide-insensitive respiration, especially with alpha-ketoglutarate and malate as substrates. Whereas alpha-ketoglutarate oxidation remains unchanged, the rate of malate oxidation increases as ripening advances through the climacteric. An enhance...
متن کاملCyanide-resistant respiration in Neurospora crassa.
Cell respiration in wild type and poky was studied as part of a long-term investigation of cyanide-resistant respiration in Neurospora. Respiration in wild type proceeds via a cytochrome chain which is similar to that of higher organisms; it is sensitive to antimycin A or cyanide. Poky, on the other hand, respires by means of two alternative oxidase systems. One of these is analogous to the wil...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1973
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)43948-3