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Observations on the subcellular distribution of the ammonium ion in maize root tissue using in-vivo14N-nuclear-magnetic-resonance spectroscopy

✍ Scribed by R. B. Lee; R. G. Ratcliffe

Publisher: Springer-Verlag
Year: 1993
Tongue: English
Weight: 59 KB
Volume: 189
Category: Article
ISSN: 0032-0935
DOI: 10.1007/bf00201356

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✦ Synopsis

Differential resistance of frost-hardened and non-hardened winter rye to photoinhibition of photosynthesis is due to an increased capacity of frost-hardened rye to keep QA oxidized under similar light and temperature conditions. Photosynthetica, in press Osmond, C.B. (1981) Photorespiration and photoinhibition. Some implications for the energetics of photosynthesis. Biochim.

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Observations on the subcellular distribu

Observations on the subcellular distribution of the ammonium ion in maize root tissue using in-vivo14N-nuclear magnetic resonance spectroscopy

✍ R. B. Lee; R. G. Ratcliffe 📂 Article 📅 1991 🏛 Springer-Verlag 🌐 English ⚖ 961 KB

We show that the pH dependence of the basecatalysed exchange rate of the ammonium ion provides a basis for discriminating between the cytoplasmic and vacuolar pools of ammonium in plant tissues. In vivo, 14N-nuclear magnetic resonance spectra were recorded with and without IH-decoupling and informat