When the researchers blocked the NuRD complex, cells in the cerebellum
called granule cells failed to form connections with other nerve cells, the Purkinje neurons.
Not exact matches
After releasing their
granules, the
cells lose the ability to make an enzyme
called chloroacetate esterase, so they no longer show up when exposed to a dye that reacts with the enzyme.
The shape and chemical composition of these
granules is identical to organelles found in
cells called melanosomes; these being responsible for creating and storing the pigment melanin.
In addition to the microbes tangled together in the
granules, they've found that the watery oases also house other bacteria, algae, fungi, single -
celled animals
called protozoans, and even tiny invertebrate animals including insect larvae, worms and various tardigrades.
The authors then found that
cells of a certain
cell type,
called lipophils, simultaneously secretes
granules whose contents rapidly break down the algae.
They kill
cells by releasing small cytoplasmic
granules of proteins
called perforin and granzyme that cause the target
cell to die by apoptosis (programmed
cell death).
The Sun's photosphere is composed of convection
cells called granules —
cells of gas each approximately 1000 kilometers in diameter with hot rising gas in the center and cooler gas falling in the narrow spaces between them.