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Description of Hypermastigia

Parabsalids from the intestine of termites, cockroaches, and woodroaches; with numerous flagella in their mastigont systems, branched and multiple parabasal bodies, and a single nucleus; basal bodies arranged in a complete or partial circle, in one or more plates, or in longitudinal or spiral rows meeting in a centralized structure (rostrum); axostyles present; with hydrogenosomes but no mitochondria; some said to have a sexual cycle in relation to the moulting of host, phagocytose and digest wood and are associated with symbiotic bacteria; privileged basal bodies at division they divide into two sets, which are at the origin of the new mastigont systems in Joenia, Lophomonas, and Deltotrichonympha or at the origin of the symmetrical mastigont system in Hypermastigida and Spirotrichonymphida; division by pleuromitosis with an extranuclear spindle comprising pole to pole microtubules forming a paradesmose and with kinetochore or chromosomal microtubules attached to kinetochores of the chromosomes and inserted into the nuclear envelope.


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Source: BioPedia

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