Regulation of nitrate reduction in wheat leaves

Autor:	D. J. D. Nicholas, M. S. Naik
Rok vydání:	1982
Předmět:	Chemistry Carbon fixation Inorganic chemistry General Medicine Photosystem I Phosphate General Biochemistry Genetics and Molecular Biology Citric acid cycle chemistry.chemical_compound Nitrate Nitrite General Agricultural and Biological Sciences Anaerobic exercise Photosystem
Zdroj:	Journal of Biosciences. 4:1-6
ISSN:	0973-7138 0250-5991
Popis:	Wheat leaves exposed to 710 nm monochromatic light, when only photosystem 1 operates, reduced small but significant amount of nitrate to nitrite. This could be due to partial inhibition of mitochondrial oxidation of NADH, brought about by cyclic photo-phosphorylation. Under dark aerobic conditions, citric acid cycle intermediates only slightly stimulated nitrate reduction. Under dark anaerobic conditions, when maximum reduction of nitrate occurred, the time course showed a 1:1 stoichiometry between nitrite and CO2. It is suggested that for maximum reduction of nitrate under physiological conditions, CO2 fixation and export of ATP via triose phosphate shuttle is essential.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3d9cd4cfdf8259376f660c63f9a8ea60 https://doi.org/10.1007/bf02702575 Zobrazit plný text záznamu Full text from SpringerLink