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Factors involved in the coordinate appearance of nitrite reductase and glutamine synthetase in the mustard (Sinapis albaL.) seedling

✍ Scribed by M. Weber; S. Schmidt; C. Schuster; H. Mohr

Publisher: Springer-Verlag
Year: 1990
Tongue: English
Weight: 482 KB
Volume: 180
Category: Article
ISSN: 0032-0935
DOI: 10.1007/bf01160400

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Factors involved in the coordinate appea

Factors involved in the coordinate appearance of nitrite reductase and glutamine synthetase in the mustard (Sinapis albaL.) seedling

✍ M. Weber; S. Schmidt; C. Schuster; H. Mohr 📂 Article 📅 1990 🏛 Springer-Verlag 🌐 English ⚖ 482 KB

The extent to which the appearances of nitrite reductase (NIR; EC 1.7.7.1) and glutamine synthetase (GS; EC 6.3.1.2) are coordinated was studied in mustard (Sinapis alba L.) seedlings. It was established by immunotitration that the increased activities of NIR and GS in the presence of light and nitr

Regulation of the appearance of glutamin

Regulation of the appearance of glutamine synthetase in mustard (Sinapis albaL.) cotyledons by light, nitrate and ammonium

✍ S. Schmidt; H. Mohr 📂 Article 📅 1989 🏛 Springer-Verlag 🌐 English ⚖ 871 KB

During transformation of mustard seedlings cotyledons from storage organs to photosynthetically competent leaves, a process which occurs during the first 4 d after sowing, total glutamine-synthetase (GS, EC 6.3.1.2) activity increases from zero to the high level usually observed in green leaves. In

Appearance of nitrite reductase in cotyl

Appearance of nitrite reductase in cotyledons of the mustard (Sinapis albaL.) seedling as affected by nitrate, phytochrome and photooxidative damage of plastids

✍ V. K. Rajasekhar; H. Mohr 📂 Article 📅 1986 🏛 Springer-Verlag 🌐 English ⚖ 775 KB

Nitrite reductase (NIR; EC 1.7.7.1) is a central enzyme in nitrate assimilation and is localized in plastids. The present study concerns the regulation of the appearance of NIR in cotyledons of the mustard (Sinapis alba L.) seedling. It was shown that light exerts its positive control over the nitra

Effect of nitrate, ammonium, light and a

Effect of nitrate, ammonium, light and a plastidic factor on the appearance of multiple forms of nitrate reductase in mustard (Sinapis albaL.) cotyledons

✍ C. Schuster; S. Schmidt; H. Mohr 📂 Article 📅 1989 🏛 Springer-Verlag 🌐 English ⚖ 915 KB

which is cytosolic, as if it were a plastidic protein. The appearance of NR3 depends on the plastidic factor in principally the same way as that of NR~ and NR2 whereas NR 4 is totally independent of the plastidic factor. The data document particular kinds of interaction between controlling factors

Differential regulation by phytochrome o

Differential regulation by phytochrome of the appearance of plastidic and cytoplasmatic isoforms of glutathione reductase in mustard (Sinapis albaL.) cotyledons

✍ H. Drumm-Herrel; U. Gerhäußer; H. Mohr 📂 Article 📅 1989 🏛 Springer-Verlag 🌐 English ⚖ 693 KB

An increase of glutathione reductase (GR; EC 1.6.4.2) activity during the transformation of mustard (Sinapis alba L.) cotyledons from storage organs to photosynthetically competent leaves was previously found to be controlled by light acting via phytochrome (Drumm, H., Mohr, H., Z. Naturforsch. 28c