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Chloroplasts take up cytosolic nitrite during nitrate assimilation. In this study we identified a nitrite transporter located in… Expand Two polytopic membrane proteins, NarK and NarU, are involved in nitrate and nitrite uptake and nitrite extrusion by Escherichia… Expand Two polytopic membrane proteins, NarK and NarU, are assumed to transport nitrite out of the Escherichia coli cytoplasm, but how… Expand Nitrite transport to the chloroplast is not a well documented process in spite of being a central step in the nitrate… Expand Abstract. The topological arrangements of nitrate and nitrite reductases in bacteria necessitate the synthesis of transporter… Expand A key step for nitrate assimilation in photosynthetic eukaryotes occurs within chloroplasts, where nitrite is reduced to ammonium… Expand Two high affinity nitrite transporters have been identified in Chlamydomonas reinhardtii. They have been named system III and… Expand Klebsiella oxytoca can use nitrate and nitrite as sole nitrogen sources. The enzymes required for nitrate and nitrite… Expand Nitrate transport mutants from Chlamydomonas reinhardtii and strains derived from them upon transformation with plasmids… Expand Chloroplast inner envelope membrane vesicles that are loaded with the pH-sensitive fluorophore, pyranine, show rapid internal… Expand