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Part of the book series: Modern Methods of Plant Analysis / Moderne Methoden der Pflanzenanalyse ((PFLANZENANAL.,volume 7))

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Abstract

The biosynthetie pathways of the nucleotides of purines and pyrimidmes have been recently elucidated and soundly established. Schemes of the pathways of these groups of compounds are shown in Figs. 1,2. Enzymes that catalyze these chemical reactions have been isolated from animals and microorganisms and some have been purified to a considerable extent. Credit for the elucidation of the enzymatic synthesis of purine nucleotides should be given particularly to Buchanan, Kornberg and Greenberg, and of pyrimidine nucleotides to Reichabd, Cohen, and Lieberman and their colleagues. Despite the advances made in this field in animals and micro-organisms the existence of these enzymes in higher plants has not been demonstrated so far. Undoubtedly, research on plant enzyme systems is urgently needed in this respect.

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Abbreviations

ADP:

adenosine diphosphate

AICAR:

5-amino-4-imidazole carboxamide ribotide

AICR:

5-amino-4-imidazolecarboxylic acid ribotide

AIR:

5-aminoimidazole ribotide

AISCAR:

5-ammo-4-imidazole-N-succino-carboxamide ribotide

APDPN:

3-acetyl pyridine analogue of DPN

APDPNH:

reduced form of APDPN

ATP:

adenosine triphosphate

ATPase:

adenosine triphosphate pyro-phosphorylase

CA:

carbamylaspartic acid

CP:

carbamylphosphate

DEA:

diethanolamine-diethanolamine hydrochloride

DPN:

diphosphopyridine nucleotide

DPNH:

reduced form of DPN

FAICAR:

5-formyl-amino-4-imidazolecarboxamide ribotide

FGAMR:

formylglycin-amidine ribotide

FGAR:

formylglycinamide ribotide

GAR:

glycinamide ribotide

GSH:

glutathione

IMP:

inosinic acid

N5,N10-anhydroformyl-THFA:

N5,N10-anhydroformyl tetra-hydrofohc acid

O-5-P:

orotidine-5-phosphate

Pi:

orthophosphate

PGA:

3-phosphogly eerie acid

PP:

pyrophosphate

PRA:

5-phosphoribosylamine

PRPP:

5-phosphoribosylpyrophos-phate

R-5-P:

ribose-5-phosphate

TCA:

trichloroacetic acid

THFA:

tetrahydrofolic acid

TPN:

triphosphopyridine nucleotide

TPNH:

reduced form of TPN

Tris:

tris (hydroxymethyl) aminomethane

U-5-P:

uridine-5-phosphate; Versene, ethylenediaminetetraacetic acid

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© 1964 Springer-Verlag OHG. Berlin · Göttingen · Heidelberg

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Wang, D., Waygood, E.R. (1964). Enzymes of Synthesis of Purine and Pyrimidine Nucleotides. In: Linskens, H.F., Sanwal, B.D., Tracey, M.V. (eds) Modern Methods of Plant Analysis / Moderne Methoden der Pflanzenanalyse. Modern Methods of Plant Analysis / Moderne Methoden der Pflanzenanalyse, vol 7. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-48141-3_11

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  • DOI: https://doi.org/10.1007/978-3-642-48141-3_11

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-48143-7

  • Online ISBN: 978-3-642-48141-3

  • eBook Packages: Springer Book Archive

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