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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Tyrosine aminotransferase.

In plants, the pyridoxal-5′-phosphate (PLP)-dependent enzyme tyrosine aminotransferase (EC 2.6.15) is involved in the interconversion of tyrosine and 4-hydoxyphenylpyruvate, and phenylalanine and phenylpyruvate. Tyrosine and phenylalanine are amino acids that are ubiquitously involved in protein...

Author(s)
Hudson, A. O.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Glutamate decarboxylase.

Glutamate decarboxylase (GAD) catalyses the decarboxylation of glutamate to produce γ-aminobutyric acid (GABA). In plants, its activity is modulated by pH and calcium. The regulation of GAD activity by calcium is through a calmodulin binding domain that seems to be specific for the plant kingdom,...

Author(s)
Molina-Rueda, J. J.; Garrido-Aranda, A.; Gallardo, F.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Ornithine: at the crossroads of multiple paths to amino acids and polyamines.

After the 20 amino acids that make up the proteins in all living organisms, ornithine perhaps occupies the most critical position among the non-protein amino acids. It sits at the crossroads of interconversions of glutamate and arginine on the one hand and the production of proline, polyamines and...

Author(s)
Majumdar, R.; Minocha, R.; Minocha, S. C.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Polyamines in plants: biosynthesis from arginine, and metabolic, physiological and stress-response roles.

Biogenic amines affect a myriad of growth and developmental processes in all organisms, including plants. Therefore, there is continued interest in understanding the biosynthesis and functional roles of polyamines in regulating plant metabolism, physiology and development. The role of polyamines in ...

Author(s)
Mattoo, A. K.; Fatima, T.; Upadhyay, R. K.; Handa, A. K.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Serine acetyltransferase.

Sulfur is an essential macronutrient for plants. Sulfate, the major form of inorganic sulfur, is reduced to sulfide by the assimilatory sulfate reduction pathway. Sulfide is integrated into organic compounds via cysteine biosynthesis. Serine acetyltransferase (SERAT, also called SAT; EC 2.3.1.30),...

Author(s)
Watanabe, M.; Hubberten, H. M.; Saito, K.; Hoefgen, R.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Cysteine homeostasis.

In plant metabolism, cysteine is the first reduced sulfur donor molecule, and it constitutes the metabolic precursor of essential biomolecules, such as vitamins, cofactors, antioxidants and many defence compounds, that are formed in response to adverse environmental conditions in which the sulfur...

Author(s)
García, I.; Romero, L. C.; Gotor, C.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Lysine metabolism.

Lysine is an essential amino acid for growth, development and reproduction in animals and its status as the first-limiting amino acid in cereals is unequivocal. Consequently, there is continuing interest in its metabolism in higher plants. The pathway from which lysine is synthesized is now well...

Author(s)
Medici, L. O.; Nazareno, A. C.; Gaziola, S. A.; Schmidt, D.; Azevedo, R. A.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Histidine.

Histidine (His) is a proteinogenic amino acid, and is thus critical for plant growth and development. The chemical properties of the imidazole side group of His allow this amino acid to participate in acid-base catalysis and in the coordination of metal ions, including zinc (Zn) and nickel (Ni)....

Author(s)
Ingle, R. A.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for Amino acid synthesis under abiotic stress.

Almost all plants have to deal with climatic factors and to develop strategies to adapt their metabolism, which may have been adversely affected, in order to acclimate and survive under these unfavourable growth conditions. Mechanisms of plant stress tolerance involve some changes in gene...

Author(s)
Planchet, E.; Limami, A. M.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter
CABI Book Chapter Info
Cover for The central role of glutamate and aspartate in the post-translational control of respiration and nitrogen assimilation in plant cells.

The assimilation of inorganic N, in the form of NH4+, into glutamine and glutamate via glutamine synthetase (GS) and glutamine oxoglutarate aminotransferase (GOGAT) is a pivotal metabolic process in plants. This is because glutamate and glutamine are the primary amino donors for the biosynthesis of ...

Author(s)
O'Leary, B.; Plaxton, W. C.
ISBN
2015 CAB International (H ISBN 9781780642635)
Type
Book chapter

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