Protista

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Protista

 [pro-tis´tah]
in the classification of living organisms, a kingdom comprising unicellular organisms with distinct nuclei (the eukaryotes), including protozoa, algae (except blue-green “algae,” which are now classified as bacteria), and certain intermediate forms.

Pro·tis·ta

(prō-tis'tă),
A kingdom of both plantlike and animallike eucaryotic unicellular organisms, either in the form of solitary organisms, for example, protozoa, or colonies of cells lacking true tissues.
[G. ntr. pl. of prōtistos, the first of all]

Protista

/Pro·tis·ta/ (pro-tis´tah)
1. a kingdom comprising the unicellular bacteria, algae, slime molds, fungi, and protozoa; it includes all single-celled organisms.
2. a kingdom comprising unicellular organisms with distinct nuclei (the eukaryotes), including protozoa, algae, and certain intermediate forms.

Pro·tis·ta

(prō-tis'tă)
A kingdom of both plantlike and animallike eukaryotic unicellular organisms, either in the form of solitary organisms, e.g., protozoa, or colonies of cells lacking true tissues.
[G. ntr. pl. of prōtistos, the first of all]

Protista

or

Protoctista

the kingdom, in older CLASSIFICATIONS, which contains eukaryotic, mostly unicellular, organisms, including ALGAE, diatoms (BACILLARIOPHYCEAE), PROTOZOANS and slime moulds.

Protista

a kingdom comprising bacteria, algae, slime molds, fungi and protozoa; it includes all single-celled prokaryotic organisms.
References in periodicals archive ?
Introduced parasites, protistans, diseases, and macrofauna including bivalves, crabs, and oyster drills have been associated with the transport of Ostrea lurida.
Stramenopiles: chromophytes from a protistan perspective.
Ichthyophthirius multifiliis ("Ick") is a ciliated, parasitic protistan that commonly infests freshwater fish.
Preliminary note on the occurrence of a new protistan parasite, Dermocystidium marinum n.
An evolutionary legacy of sex and clonal reproduction in the protistan oyster parasite Perkinsus marinus.
The purpose of this paper is to give a taxonomic account of scale-bearing protistan species found in four Gulf Coast states with descriptions of two new species.
seeberi is not a classic fungus, but rather the first known human pathogen from the DRIPs clade, a novel clade of aquatic protistan parasites (Ichthyosporea).
virginica, and the reefs they create, have been in decline since the late 19th century as a result of a combination of persistent overharvesting, habitat degradation, and, in some locations, epizootics of the protistan diseases MSX (Haplosporidium nelsoni) and Dermo (Perkinsus marinus) (Rothschild et al.
Another study also cultured members of the Flavobacteriaceae from surfaces unaffected by shell disease and diseased lobster surfaces, in which the authors proposed that the resistance of these bacteria to protistan grazing may select for their presence and facilitate their role in shell disease development (O'Kelly 2005).