Summary:
(A) Filament of Dolichospermum circinale. Note the specialised cells – known as heterocytes – within the filament. These are sites of nitrogen fixation. Scale bar 50 μm. (B) Filament of Dolichospermum spiroides, also with heterocytes. Compare the tight spirals with the open spirals of D. circinale. Scale bar 50 μm. (C) Filaments of Cylindrospermopsis raciborskii. The specialised cells within the filaments are akinetes (resting spores). Tiny conical heterocytes occur at the ends of some filaments. Scale bar 50 μm. (D) A filament of Cuspidothrix issatschenkoi containing heterocytes. The terminal cells are long, tapering and colourless. Scale bar 50 μm.
Type:
Figure
Sub Component:
Normal
Slug:
F34
Highwire: Type:
fragment
Highwire: Parent:
HighWire: Journal/Corpus Code:
csirobk
Highwire: pisa_id:
csirobk;9781486308804/1/BK07808_ch05/F34
Highwire: pisa_master:
csirobk;9781486308804/1/BK07808_ch05/F34
HighWire: Atom Path:
/csirobk/9781486308804/9781486308804/SEC9/F34.atom
Highwire: cpath:
/content/9781486308804/9781486308804/SEC9/F34
Image - Large:
Highwire: cpathalias:
/content/csirobk/9781486308804/9781486308804/SEC9/F34
Image - Medium:
Highwire: Variants:
expansion
Image - Small:
Highwire: State:
Released
Contributors:
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