Environmental Engineering Reference
In-Depth Information
CHROOCOCCUS TURGIDUS
(KUTZING) NAGELI, 1849
Phylum: Cyanobacteria Class: Cyanophyceae
Order: Chroococcales Family: Chroococcaceae
Distribution: Europe, North America, Caribbean Islands, South America,
Africa, Southwest Asia, Southeast Asia, Australia, New Zealand
Habitat: Sludges of lakes and rivers
Description: This species forms microscopic colonies with 2-10 cells. The
cells (10-25 µm width) are blue-green, olive-green, or pale blue-green.
They are subspherical, ovoid, or hemispherical. The cells are often envel-
oped by colorless mucilage on colony margins.
Compounds and activities: The bioactive compounds isolated from this spe-
cies include unsaturated fatty acids such as oleic and linoleic acids and
unsaponiable compounds, viz., cholesterol, campesterol, stigmasterol, and
β-sitosterol. These compounds have been reported to possess antibacterial
activities (Abdo et al.,
2012).
CH
3
CH
3
CH
3
CH
3
CH
3
H
3
C
H
H
H
HO
campesterol
