What does GLDH mean in Chemistry?

This page is about the meanings of the acronym/abbreviation/shorthand GLDH in the Academic & Science field in general and in the Chemistry terminology in particular.

Glutamate Dehydrogenase

Academic & Science » Chemistry

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Definition

What does GLDH mean?

Glutamate dehydrogenase
Glutamate dehydrogenase is an enzyme, present in most microbes and the mitochondria of eukaryotes, as are some of the other enzymes required for urea synthesis, that converts glutamate to α-ketoglutarate, and vice versa. In animals, the produced ammonia is usually used as a substrate in the urea cycle. Typically, the α-ketoglutarate to glutamate reaction does not occur in mammals as glutamate dehydrogenase equilibrium favours the production of ammonia and α-ketoglutarate. Glutamate dehydrogenase also has a very low affinity for ammonia, and therefore toxic levels of ammonia would have to be present in the body for the reverse reaction to proceed. In bacteria, the ammonia is assimilated to amino acids via glutamate and aminotransferases. In plants, the enzyme can work in either direction depending on environment and stress. Transgenic plants expressing microbial GLDHs are improved in tolerance to herbicide, water deficit, and pathogen infections. They are more nutritionally valuable. ⁕ Glutamate ⁕ α-Ketoglutarate The enzyme represents a key link between catabolic and metabolic pathways, and is, therefore, ubiquitous in eukaryotes.

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"GLDH." Abbreviations.com. STANDS4 LLC, 2019. Web. 16 Nov. 2019. <https://www.abbreviations.com/term/1856803>.

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