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CABI Book Chapter

Amino acids in higher plants.

Book cover for Amino acids in higher plants.

Description

This book, divided into 5 parts, deals with topics on amino acids in higher plants. Part I (enzymes and metabolism) contains 16 chapters pursuing the theme of amino acid metabolism through the driving actions of the principal enzymes, emphasizing recent advances particularly with reference to localization, biophysical characterization and regulation. Part II (dynamics) includes two chapters design...

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Chapter 17 (Page no: 298)

Amino acid export in plants.

Amino acids are the main form of nitrogen transported in the plant body, and the transport of amino acids across cellular and sub-cellular membranes is considered essential for nitrogen economy in plants. In particular, the long-distance transport of amino acids through the phloem and xylem, and the transfer of amino acids between the phloem and xylem during nitrogen cycling, requires both cellular importers and exporters. Even though some of the amino acid carrier proteins were identified more than 15 years ago, the physiological roles of many amino acid transporters are still unclear. There is even less known about the proteins that mediate the cellular efflux of amino acids. Recently, however, there have been reports of amino acid carrier proteins that can mediate both export and import, and might play roles in nitrogen cycling and other physiological processes. In this chapter, we will summarize what is known about plant amino acid exporters and their physiological roles.

Other chapters from this book

Chapter: 1 (Page no: 1) Glutamate dehydrogenase. Author(s): Osuji, G. O. Madu, W. C.
Chapter: 2 (Page no: 30) Alanine aminotransferase: amino acid metabolism in higher plants. Author(s): Raychaudhuri, A.
Chapter: 3 (Page no: 57) Aspartate aminotransferase. Author(s): Leasure, C. D. He, Z. H.
Chapter: 4 (Page no: 68) Tyrosine aminotransferase. Author(s): Hudson, A. O.
Chapter: 5 (Page no: 82) An insight into the role and regulation of glutamine synthetase in plants. Author(s): Sengupta-Gopalan, C. Ortega, J. L.
Chapter: 6 (Page no: 100) Asparagine synthetase. Author(s): Duff, S. M. G.
Chapter: 7 (Page no: 129) Glutamate decarboxylase. Author(s): Molina-Rueda, J. J. Garrido-Aranda, A. Gallardo, F.
Chapter: 8 (Page no: 142) L-arginine-dependent nitric oxide synthase activity. Author(s): Corpas, F. J. Río, L. A. del Palma, J. M. Barroso, J. B.
Chapter: 9 (Page no: 156) Ornithine: at the crossroads of multiple paths to amino acids and polyamines. Author(s): Majumdar, R. Minocha, R. Minocha, S. C.
Chapter: 10 (Page no: 177) Polyamines in plants: biosynthesis from arginine, and metabolic, physiological and stress-response roles. Author(s): Mattoo, A. K. Fatima, T. Upadhyay, R. K. Handa, A. K.
Chapter: 11 (Page no: 195) Serine acetyltransferase. Author(s): Watanabe, M. Hubberten, H. M. Saito, K. Hoefgen, R.
Chapter: 12 (Page no: 219) Cysteine homeostasis. Author(s): García, I. Romero, L. C. Gotor, C.
Chapter: 13 (Page no: 234) Lysine metabolism. Author(s): Medici, L. O. Nazareno, A. C. Gaziola, S. A. Schmidt, D. Azevedo, R. A.
Chapter: 14 (Page no: 251) Histidine. Author(s): Ingle, R. A.
Chapter: 15 (Page no: 262) Amino acid synthesis under abiotic stress. Author(s): Planchet, E. Limami, A. M.
Chapter: 16 (Page no: 277) The central role of glutamate and aspartate in the post-translational control of respiration and nitrogen assimilation in plant cells. Author(s): O'Leary, B. Plaxton, W. C.
Chapter: 18 (Page no: 315) Uptake, transport and redistribution of amino nitrogen in woody plants. Author(s): Pfautsch, S. Bell, T. L. Gessler, A.
Chapter: 19 (Page no: 340) Auxin biosynthesis. Author(s): Chandler, J. W.
Chapter: 20 (Page no: 362) Involvement of tryptophan-pathway-derived secondary metabolism in the defence responses of grasses. Author(s): Ishihara, A. Matsukawa, T. Nomura, T. Sue, M. Oikawa, A. Okazaki, Y. Tebayashi, S.
Chapter: 21 (Page no: 390) Melatonin: synthesis from tryptophan and its role in higher plant. Author(s): Arnao, M. B. Hernández-Ruiz, J.
Chapter: 22 (Page no: 436) Glucosinolate biosynthesis from amino acids. Author(s): Stotz, H. U. Brown, P. D. Tokuhisa, J.
Chapter: 23 (Page no: 448) Natural toxins that affect plant amino acid metabolism. Author(s): Duke, S. O. Dayan, F. E.
Chapter: 24 (Page no: 461) Glyphosate: the fate and toxicology of a herbicidal amino acid derivative. Author(s): Saltmiras, D. A. Farmer, D. R. Mehrsheikh, A. Bleeke, M. S.
Chapter: 25 (Page no: 481) Amino acid analysis of plant products. Author(s): Rutherfurd, S. M.
Chapter: 26 (Page no: 497) Metabolic amino acid availability in foods of plant origin: implications for human and livestock nutrition. Author(s): Levesque, C. L.
Chapter: 27 (Page no: 507) Toxicology of non-protein amino acids. Author(s): D'Mello, J. P. F.
Chapter: 28 (Page no: 538) Delivering innovative solutions and paradigms for a changing environment. Author(s): D'Mello, J. P. F.

Chapter details

  • Author Affiliation
  • Virginia Tech, Blacksburg, Virginia, USA.
  • Year of Publication
  • 2015
  • ISBN
  • 9781780642635
  • Record Number
  • 20153121427