diauxic growth

diauxic growth
A biphasic growth pattern or response in which a microorganism, when exposed to two nutrients, initially uses one of them for growth and then alters its metabolism to make use of the second.

Microbiology. . 2009.

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  • Diauxic growth — is any cell growth characterized by cellular growth in two phases, and can be illustrated with a diauxic growth curve. Diauxic growth, meaning double growth, is caused by the presence of two sugars on a culture growth media, one of which is… …   Wikipedia

  • Diauxic growth curve — A diauxic growth curve refers to the growth curve generated by an organism which has two growth peaks. The theory behind the diauxic growth curve stems from Jacques Monod s Ph.D. research in 1940. A simple example involves the bacterium E. coli,… …   Wikipedia

  • Bacterial growth — Growth is shown as L = log(numbers) where numbers is the number of colony forming units per ml, versus T (time.) Bacterial growth is the division of one bacterium into two daughter cells in a process called binary fission. Providing no mutational …   Wikipedia

  • diauxic — di·aux·ic (di awkґsik) pertaining to or characterized by diauxie; implying two periods of growth separated by a lag period …   Medical dictionary

  • Diauxie — is a French word coined by Jacques Monod to mean two growth phases. The word is used in English in cell biology to describe the growth phases of a microorganism in batch culture as it metabolizes a mixture of two sugars. Rather than metabolizing… …   Wikipedia

  • Lac operon — The lac operon is an operon required for the transport and metabolism of lactose in Escherichia coli and some other enteric bacteria. It consists of three adjacent structural genes, a promoter, a terminator, and an operator. The lac operon is… …   Wikipedia

  • Superoxide dismutase — For other senses of the term SOD/Sod, see Sod (disambiguation). Superoxide dismutase Structure of a human Mn superoxide dismutase 2 tetramer.[1] …   Wikipedia

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