Auxotroph

Auxotroph (pronounced: /ˈɔːksoʊtrɒf/) is a term used in Microbiology and Genetics to describe an organism that is unable to synthesize a particular organic compound required for its growth. The term is derived from the Greek words "auxo" meaning "to increase" and "troph" meaning "nourishment".

Etymology

The term "Auxotroph" is derived from the Greek words "auxo" which means "to increase" and "troph" which means "nourishment". It was first used in the field of Microbiology to describe organisms that require additional nutrients for growth.

Definition

An Auxotroph is an organism that lacks the ability to synthesize a particular organic compound that is necessary for its growth and survival. This is in contrast to a Prototroph, which is an organism that is capable of synthesizing all the compounds it needs for growth.

Types of Auxotrophs

There are several types of auxotrophs, each defined by the specific compound they are unable to synthesize. For example, an Amino Acid auxotroph is unable to synthesize a specific amino acid, while a Vitamin auxotroph is unable to synthesize a specific vitamin.

Use in Research

Auxotrophs are often used in research, particularly in the field of Genetics. By studying auxotrophs, scientists can gain insight into the genetic and metabolic pathways involved in the synthesis of essential compounds.

Related Terms

• Prototroph
• Amino Acid
• Vitamin
• Microbiology
• Genetics

External links

• Medical encyclopedia article on Auxotroph
• Wikipedia's article - Auxotroph

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