- A
rhoptry is a
specialized secretory organelle. They are club-shaped
organelles connected by thin
necks to the
extreme apical pole of the parasite. These...
- organelle, the
rhoptry,
which also is a
secretory organelle. It is
possible that,
while the
microneme initiates erythrocyte-binding, the
rhoptry secretes proteins...
-
separate bubble of cytoplasm-filled
plasma membrane within the host cell. The
rhoptry and the microneme,
special secretory organelles found in
apicomplexan parasites...
- typical,
generalised apicomplexan: 1-polar ring, 2-conoid, 3-micronemes, 4-
rhoptries, 5-nucleus, 6-nucleolus, 7-mitochondria, 8-posterior ring, 9-alveoli,...
-
bulbous rhoptries which contain parasite proteins involved in
invading the host cell and
modifying the host once inside.
Adjacent to the
rhoptries are smaller...
- of
spirally arranged microtubules (the conoid), a
secretory body (the
rhoptry) and one or more
polar rings.
Additional slender electron-dense secretory...
- host cell membranes. In E. tenella, this
involves parasite micronemes and
rhoptry proteins including RON2, RON5 and AMA-2. It is
unlikely that the host cell...
-
Alveoli Trichocyst Dinoflagellates:
Dinokaryon Dinocyst Theca Ciliates:
Cilium Cirrus Macronucleus Micronucleus Apicomplexans:
Rhoptry Apicoplast Microneme...
- organelles, is an
important structure. It
contains secretory organelles called rhoptries and micronemes,
which are
vital for mobility, adhesion, host cell invasion...
-
invading the cell, the
parasite releases ROP
proteins from the bulb of the
rhoptry organelle.
These proteins translocate to the
nucleus and the
surface of...
