Ornithine, Citrulline, and Arginine Metabolism in Watermelon Seedlings.

Kasting, R.; Delwiche, C. C.

doi:10.1104/pp.33.5.350

Cited by 24 publications

(12 citation statements)

References 9 publications

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“…This question has been a subject of considerable investigation and discussion (Kasting and Delwiche, 1958; Table I. It is less obvious why higher plants form urea because they do not excrete urea.…”

Section: Arginine Synthesis and The Ornithine Cyclementioning

confidence: 99%

Arginine Synthesis, Proline Synthesis, and Related Processes

Thompson¹

1980

Amino Acids and Derivatives

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Section: Arginine Synthesis and The Ornithine Cyclementioning

confidence: 99%

Arginine Synthesis, Proline Synthesis, and Related Processes

Thompson¹

1980

Amino Acids and Derivatives

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“…Boulter and Barber (5) have shown that arginine was rapidly transformed into proline and glutamate in Vicia faba and Kasting and Delwiche (10), using watermelon seedlings, showed that arginine was a precursor of ornithine cycle intermediates.…”

mentioning

confidence: 99%

Metabolism of Arginine by Aging and 7 Day Old Pumpkin Seedlings

Splittstoesser

1969

Plant Physiol.

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“…We observed a structural similarity between the guanidino group of l ‐arginine [‐NH‐C(NH 2 )=NH] and that of cyanamide (NH 2 CN). Urea [NH 2 C(=O)NH 2 ] is also discussed in the present context as well as l ‐arginine because, as is well established, the biosynthesis of urea in plants is generated by the elimination of the N‐C‐N skeleton of the guanidino group of l ‐arginine in the urea cycle (Jones and Boulter 1968; Kasting and Delwiche 1957, 1958). If we were to examine the incorporation of the guanidino group of l ‐arginine and urea into cyanamide, we would find that these feeding experiments are meaningful only when these possible precursors are present in the seedlings of V. villosa subsp.…”

Section: Resultsmentioning

confidence: 99%

Biosynthetic origin of the nitrogen atom in cyanamide inVicia villosasubsp.varia

Kamo

Kato

Abe

et al. 2009

Soil Science and Plant Nutrition

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Natural cyanamide (NH 2 CN) has recently been found in three Leguminosae plants: Vicia villosa subsp. varia, Vicia cracca and Robinia pseudo-acacia. As cyanamide has long been thought to be absent in nature, its physiological role and biosynthesis are totally unknown. N]-glutamine, indicating that these nitrogenous compounds are distant precursors of cyanamide. Although the guanidino group of l-arginine (-NH-C(NH 2 )=NH) and urea (NH 2 C(=O)NH 2 ) were candidate precursors of cyanamide on the basis of structural similarity, direct incorporation of the guanidino group of l-[ 13 C 6 , 15 N 4 ]-arginine and [ 13 C, 15 N 2 ]urea into cyanamide was not observed. These results eliminated the possibility that cyanamide is biosynthesized by the addition of ammonia to an electrophilic carbon or by the conversion of the tested compounds that were structurally relevant to cyanamide.

show abstract

Ornithine, Citrulline, and Arginine Metabolism in Watermelon Seedlings.

Cited by 24 publications

References 9 publications

Arginine Synthesis, Proline Synthesis, and Related Processes

Arginine Synthesis, Proline Synthesis, and Related Processes

Metabolism of Arginine by Aging and 7 Day Old Pumpkin Seedlings

Biosynthetic origin of the nitrogen atom in cyanamide inVicia villosasubsp.varia

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