facultative anaerobes
Anaerobia An*a`["e]r*o"bi*a, Anaerobes An"aer*obes, Anaerobes An*a"["e]r*obes, n. pl. [NL. anaerobia; an-not + a["e]ro- + Gr.? life.] (Bacteriol.) Ana["e]robic bacteria. They are called {facultative ana["e]robes} when able to live either in the presence or absence of free oxygen; {obligate ana["e]robes}, or {obligatory ana["e]robes}, when they thrive only in its absence. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • facultative anaerobes — (fak ul ta tiv an a er ōbs) Microorganisms that do not require oxygen for growth, but do grow better in its presence …   Dictionary of microbiology

  • facultative — adjective Date: 1820 1. a. of or relating to the grant of permission, authority, or privilege < facultative legislation > b. optional 2. of or relating to a mental faculty 3. a. taking place under some conditions but not under others <… …   New Collegiate Dictionary

  • facultative — Able to live under more than one specific set of environmental conditions; possessing an alternative pathway. * * * fac·ul·ta·tive fak əl .tāt iv adj 1) taking place under some conditions but not under others <facultative parasitism> 2)… …   Medical dictionary

  • Facultative anaerobic organism — A facultative anaerobic organism is an organism, usually a bacterium, that makes ATP by aerobic respiration if oxygen is present but is also capable of switching to fermentation. In contrast, obligate anaerobes die in presence of oxygen.Some… …   Wikipedia

  • Anaerobes — Anaerobia An*a [ e]r*o bi*a, Anaerobes An aer*obes, Anaerobes An*a [ e]r*obes, n. pl. [NL. anaerobia; an not + a[ e]ro + Gr.? life.] (Bacteriol.) Ana[ e]robic bacteria. They are called {facultative ana[ e]robes} when able to live either in the… …   The Collaborative International Dictionary of English

  • Anaerobes — Anaerobia An*a [ e]r*o bi*a, Anaerobes An aer*obes, Anaerobes An*a [ e]r*obes, n. pl. [NL. anaerobia; an not + a[ e]ro + Gr.? life.] (Bacteriol.) Ana[ e]robic bacteria. They are called {facultative ana[ e]robes} when able to live either in the… …   The Collaborative International Dictionary of English

  • obligate anaerobes — Anaerobia An*a [ e]r*o bi*a, Anaerobes An aer*obes, Anaerobes An*a [ e]r*obes, n. pl. [NL. anaerobia; an not + a[ e]ro + Gr.? life.] (Bacteriol.) Ana[ e]robic bacteria. They are called {facultative ana[ e]robes} when able to live either in the… …   The Collaborative International Dictionary of English

  • obligatory anaerobes — Anaerobia An*a [ e]r*o bi*a, Anaerobes An aer*obes, Anaerobes An*a [ e]r*obes, n. pl. [NL. anaerobia; an not + a[ e]ro + Gr.? life.] (Bacteriol.) Ana[ e]robic bacteria. They are called {facultative ana[ e]robes} when able to live either in the… …   The Collaborative International Dictionary of English

  • Anaerobic organism — Aerobic and anaerobic bacteria can be identified by growing them in liquid culture: 1: Obligate aerobic (oxygen needing) bacteria gather at the top of the test tube in order to absorb maximal amount of oxygen. 2: Obligate anaerobic bacteria… …   Wikipedia

  • Microbial metabolism — is the means by which a microbe obtains the energy and nutrients (e.g. carbon) it needs to live and reproduce. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”