Intraspecific differences in nitrogen assimilating enzymes in spinach under contrasting forms of nitrogen supplyFootnote¹

In recognition of the late Prof. O. Carpena's contribution to the development of this research.

References

• Bender , F.E. , Douglass , L.W. and Kramer , A. 1989 . Statistical Methods for Food and Agriculture , New York, NY : Foods Press .
   Google Scholar
• Blaquiere , T. , Hofstra , R. and Stulen , I. 1987 . Ammonium and nitrate in Plantago lanceolata L. and Plantago major L. ssp. major. I. Aspects of growth, chemical composition and root respiration . Plant Soil , 104 : 129 – 141 .
   Google Scholar
• Blaquière , T. , Voortman , E. and Stulen , I. 1988 . Ammonium and nitrate in Plantago lanceolata L and Plantago major L. ssp. major . Plant Soil , 106 : 23 – 34 .
   Google Scholar
• Breteler , H. and Siegerist , M. 1984 . Effect of ammonium on nitrate utilization by roots of dwarf bean . Plant Physiol. , 75 : 1099 – 1103 .
   PubMed Web of Science ®Google Scholar
• Chiu , J.Y. and Shargool , P.D. 1979 . Importance of glutamate synthase in glutamate synthesis by soybean cell suspension cultures . Plant Physiol. , 63 : 409 – 415 .
   PubMedGoogle Scholar
• Dahlbender , B. and Strack , D. 1986 . The role of malate in ammonia assimilation in cotyledons of radish (Raphanus sativus L.) . Planta , 169 : 382 – 392 .
   PubMedGoogle Scholar
• Gaudinova , A. 1983 . The effect of NO3‐ and NH4+ ions on enzymes involved in nitrogen assimilation in Pisum sativum L . Biol. Plant. , 25 : 440 – 448 .
   Google Scholar
• Givan , C.V. 1979 . Metabolic detoxification of ammonia in tissues of higher plants . Phytochemistry , 18 : 375 – 382 .
   Web of Science ®Google Scholar
• González , M. 1996 . Aportación al conocimiento de diferencias varietales en la absorción y asimilación de NO3 y NH4 en plantas de espinaca , Madrid, , Spain : Universidad Autónoma . Tesis Doctoral.
   Google Scholar
• Goyal , S.S. and Huffaker , H.C. 1981 . “ Interaction between NO3, NO2 and NH4 assimilation of detached barley leaves ” . In Genetic Engineering of Symbiotic N2 Fixation and Conservation of Fixed Nitrogen , Edited by: Lyons , J.M. 561 – 568 . New York, NY : Plenum Press .
   Google Scholar
• Goyal , S.S. and Huffaker , H.C. 1984 . “ Nitrogen toxicity in plants ” . In Nitrogen in Crop Production , Edited by: Hauck , R.D. 97 – 118 . Madison, WI : American Society of Agronomy .
   Google Scholar
• Handa , S. , Warren , H.L. , Huber , D.N. and Tsai , C.Y. 1984 . Nitrogen nutrition on seedling development of normal and opaque‐2 genotypes . Can. J. Plant Sci. , 64 : 885 – 894 .
   Web of Science ®Google Scholar
• Haynes , R.J. and Goh , K.M. 1978 . Ammonium and nitrate nutrition of higher plants . Biol. Rev. , 53 : 465 – 510 .
   Web of Science ®Google Scholar
• Hummelt , G. and Mora , J. 1980 . Regulation and function of glutamate synthase in Neurospora crassa . Biochem. Biophys. Res. Commun. , 96 : 1688 – 1694 .
   PubMedGoogle Scholar
• Lea , P.J. and Miflin , B.J. 1974 . Alternative route for nitrogen assimilation in higher plants . Nature (London) , 251 : 614 – 616 .
   PubMed Web of Science ®Google Scholar
• Lewis , O.A.M. , Chadwick , S. and Withers , J. 1983 . The assimilation of ammonium by barley roots . Planta , 159 : 483 – 486 .
   PubMed Web of Science ®Google Scholar
• Lewis , O.A.M. , James , D.M. and Hewitt , E.J. 1982 . Nitrogen assimilation in barley (Hordeum vulgare L. cv. Mazurka) in response to nitrate and ammonium nutrition . Ann. Bot. , 49 : 39 – 50 .
   Web of Science ®Google Scholar
• Loyola‐Vargas , V.M. and Sánchez de Jiménez , E. 1986 . Regulation of glutamine synthetase/glutamate synthase cycle in maize tissues. Effects of the nitrogen source . J. Plant Physiol. , 124 : 147 – 154 .
   Web of Science ®Google Scholar
• Miflin , B.J. and Lea , P.J. 1976 . The pathway of nitrogen assimilation in plants . Phytochemistry , 15 : 873 – 885 .
   Web of Science ®Google Scholar
• Moritsugu , M. , Suzuki , T. and Kawasaki , T. 1983 . Effect of nitrogen source on growth and mineral uptake in plants under constant pH and conventional culture conditions , Ber. Ohara Inst. Landw. Biol Vol. 18 , 125 – 144 . Okayama Univ. .
   Google Scholar
• Murray , D.R. and Kennedy , I.R. 1980 . Changes in activities of enzymes of nitrogen metabolism in seedcoats and cotiledons during embryo development in pea seeds . Plant Physiol. , 66 : 782 – 786 .
   PubMed Web of Science ®Google Scholar
• Oaks , A. , Aslam , M. and Boesel , I. 1977 . Ammonium and amino acids as regulators of nitrate reductase in corn roots . Plant Physiol. , 59 : 391 – 394 .
   PubMedGoogle Scholar
• Rhodes , D. , Rendon , G.A. and Steward , G.R. 1976 . The regulation of ammonia assimilating enzymes in Lemma minor . Planta , 129 : 203 – 210 .
   PubMed Web of Science ®Google Scholar
• Rufti , T.W. , Volk , R.J. , McClure , P.R. , Israel , D.W. and Raper , C.D. Jr. 1982 . Relative content of NO3‐ and reduced N in xylem exudate as an indication of root reduction of concurrently absorbed 15NO3‐ . Plant Physiol. , 69 : 166 – 170 .
   PubMedGoogle Scholar
• Sandoval , M. , Alcántar , G. , Tirado , J.L. and Aguilar , A. 1992 . Effect of the NH4/NO3 ratio on GS and PEPCase activities on dry matter production in wheat . J. Plant Nutr. , 15 : 2545 – 2557 .
   Google Scholar
• Singh , R.P. and Srivastava , H.S. 1986 . Increase in glutamate synthase (NADH) activity in maize seedlings in response to nitrate and ammonium nitrogen . Physiol. Plant. , 66 : 413 – 416 .
   Google Scholar
• Sodek , L. and da Silva , W.J. 1977 . Glutamate synthase: A possible role in nitrogen metabolism of the developing maize endosperm . Plant Physiol. , 60 : 602 – 605 .
   PubMedGoogle Scholar
• Srivastava , H.S. and Singh , R.P. 1987 . Role and regulation of L‐glutamate dehydrogenase activity in higher plants . Phytochemistry , 26 : 597 – 610 .
   Web of Science ®Google Scholar
• Steward , G.R. and Rhodes , D. 1977 . Nitrogen metabolism in halophytes III. Enzymes of ammonia assimilation . New Phytol. , 80 : 307 – 316 .
   Google Scholar
• Zomoza , P. and González , M. 1998 . Varietal specificity in growth, nitrogen uptake and distribution under contrasting forms of nitrogen supply in spinach . J. Plant Nutr. , 21 : 837 – 847 .
   Google Scholar
• Zornoza , P. , González , M. and Carpena , O. 1994 . Relative effectiveness of NO3‐ and NH4+ with regard to Mo supply . Trends Agric. Sci. , 2 : 1 – 8 .
   Google Scholar
• In recognition of the late Prof. O. Carpena's contribution to the development of this research.
   Google Scholar
• Corresponding author (e‐mail address: [email protected]).
   Google Scholar