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Heterocysts or
heterocytes are
specialized nitrogen-fixing
cells formed during nitrogen starvation by some
filamentous cyanobacteria, such as Nostoc,...
-
Dolichospermum (previously Anabaena). Such
species have
specialized cells called heterocytes, in
which nitrogen fixation occurs via the
nitrogenase enzyme. One type...
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vegetative and
heterocyte cells.
Vegetative cells are
carbon fixing cells,
which are 3.6 μm in
length and 3.4 - 3.8 μm in width.
Heterocytes are specialized...
- gray-brown biofilms. Po****tions of P.
alatum have
specialized cells -
yellow heterocytes to bind
atmospheric nitrogen which are in
colour contrast to vegetative...
- color. They lack
tubular fungal hyphae as
haustoria and have sp****
heterocytes that are
hyaline to
yellowish and 6–8 μm wide and 4–6 μm high. The hyphal...
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width and 3–5 μm in height, and are
penetrated by
tubular fungal hyphae.
Heterocytes,
which are hyaline,
measuring 8–10 μm in
width and 4–6 μm in height,...
- in Pyrenothrix,
whether Scytonema or Rhizonema, are
known to
produce heterocytes,
specialized cells capable of
nitrogen fixation. This
ability to fix...
- high,
aeruginous green cells penetrated by
tubular fungal hyphae. The
heterocytes, sp**** in
distribution and
ranging from
hyaline to yellowish, measure...
- irpicinum. Its
hyphal sheath cells are wavy in
lateral outline, and
heterocytes – a
special type of
cyanobacterial cell – are sp**** and pale yellow...
