Palikiella

Generic name: PALIKIELLA Claus, 1968. Hydrobiologia 19(2): 201.

Synonyms:

Diagnosis:

Type species: Palikiella hungarica Claus 1962. - Two insufficiently known species.

Descriptions:
Komárek (1992): Pseudofilamentous; pseudofilaments solitary, or in small irregular groups cylindrical, isopolar, straight or slightly irregularly waved, with uniserially arranged, slightly separated one from another and in rows arranged cells within thick, homogeneous, colourless sheaths (according to original description = thickened cell-walls, 0,5-2 um wide), which are closed at both ends. Cells not motile, cylindrical, isodiametrical or longer than wide, elongated in the pseudofilament axis, enveloped probably by own gelatinous capsules (in spite of the indistinctness of sheath structures); cell content blue-green, differentiated in dark peripheral and light centroplasmic regions; in centroplasma are regularly two or three (-four) large spherical, dark blue and refractive granules,

Genotype differences, molecular
data:

Reproduction strategies, lifecycles, cell division:
Komárek (1992): Cells divide crosswise. Reproduction probably by fragmentation of pseudofilaments (in original description is supposed the trichomal structure of pseudofilaments and fragments of pseudofilaments are described as "true hormogonia with conical rounded terminal cells",but not motile).

Ultrastructure:

Taxonomic position, higher hierarchy:
Cyanophyceae, Chroococcales, Synechococcaceae, Synechococcoideae
Notes to taxonomy, misinterpretations:

Ecology, ecophysiology, ecological significance:
Komárek (1992): Both species were described from one locality, wetted wood and calcareous stones in a limestone cave, Hungary (Abaliget). Mixed among other algae.

Physiology and biochemistry:

Distribution, endemism, problematic citations:

Reference strain:

Infrageneric scheme, species concept:

List of species:
Palikiella elegans Claus 1962
Palikiella hungarica Claus 1962

Keys:

List of stains:

Drawings:

Komárek 1992

Application technology:

Literature:

	2.1 taxonomy: Claus 1962, Bourrelly 1970, Komárek 1992
	2.2 cytomorphology:
	2.3 16S rRNA sequencing:
	2.4 biology and life cycles:
	2.5 ecology:

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