obligate

(redirected from obligately)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

obligate

 [ob´lĭ-gāt]
not facultative; necessary; compulsory; pertaining to or characterized by the ability to survive only in a particular environment or to assume only a particular role, as an obligate anaerobe.

ob·li·gate

(ob'li-gāt),
Without an alternative system or pathway.
[L. ob-ligo, pp. -atus, to bind to]

obligate

/ob·li·gate/ (ob´lĭ-gāt) pertaining to or characterized by the ability to survive only in a particular environment or to assume only a particular role, as an obligate anaerobe.

obligate

(ŏb′lĭ-gāt′)
adj. (-gĭt, -gāt′)
Able to exist or survive only in a particular environment or by assuming a particular role: an obligate parasite; an obligate anaerobe.
n. (-gĭt, -gāt′)
An obligate organism.

ob′li·ga·ble (-gə-bəl) adj.
ob′li·gate·ly adv.
ob′li·ga′tor n.

obligate

[ob′ligit, -gāt]
Etymology: L, obligare, to bind
characterized by the ability to survive only in a particular set of environmental conditions, such as an obligate parasite, which can survive only within the host organism. Compare facultative.

obligate

adjective Necessarily; without alternative; required.

obligate

adjective Necessarily; without alternative

ob·li·gate

(ob'li-găt)
Without an alternative system or pathway.
[L. ob-ligo, pp. -atus, to bind to]

obligate

Able to survive only in a particular environment. Used especially of certain parasites.

obligate

(of an organism) being able to live only in one set of conditions. For example, obligate parasites such as the tapeworm require a host for completion of the life cycle; obligate aerobes such as man require atmospheric oxygen for respiration. Compare FACULTATIVE.

obligate

necessary, essential.

obligate accumulators
obligate carrier
the subject is always available as a carrier of the infection.
References in periodicals archive ?
Nonetheless, given the high frequency at which animal blastomeres contributed to endoderm and the lower frequency at which vegetal blastomeres contributed to ectoderm compared to obligately plank-totrophic echinoids (as in Fig.
luteola have evolved habitat-restricted searching behavior either before, coincidentally with, or after becoming obligately associated with Cecropia.
Ehrlichiae are obligately intraleukocytic bacteria.
Estimation of dispersal distances of the obligately plant-associated ant Crematogasterdecamera.
schinkii are two obligately syntrophic bacteria which grow only in co- culture with methanogens (de Bok et al.
interexta are considered facultative or marginal vernal pool species; they are often associated with moist depressions and other seasonally wet habitats, but are not obligately tied to vernal depressions as are the core clade members.
The genome of the obligately intracellular bacterium Ehrlichia canis reveals themes of complex membrane structure and immune evasion strategies.
These few species have breeding biologies that span the range of self fertility, from self compatible to self incompatible; a few are obligately xenogamous.
a halophilic obligately anaerobic bacterium producing endospores with attached gas vacuoles.
Rocky Mountain spotted fever (RMSF) is a febrile ex-anthematic disease caused by Rickettsia rickettsii, a gram-negative, obligately intracellular pathogen.
Although the obligately halophilic protozoan oyster pathogen Haplosporidium nelsoni (MSX) had not been detected in Patuxent River oysters since 1992, it was detected at low levels in midriver oysters during 1999 and 2000 (MDNR 2001), coincident with increasing salinity during four consecutive drought years (1999-2002).