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The bipolar spindle is a major cytoskeletal structure, which ensures an equal chromosome distribution between the daughter nuclei. The spindle formation in animal cells depends on centrosomes activity. In flowering plant cells the centrosomes have not been identified as definite structures. The absence of these structures suggests that plants assemble their spindle via novel mechanisms. Nonetheless,...
The Triatominae subfamily is comprised of 18 genera and six tribes. The tribe Rhodniini is comprised of two genera (Rhodnius and Psammolestes). Nucleolar persistence is defined by the presence of the nucleolus or nucleolar corpuscles during the meiotic metaphase. To date, this phenomenon has been described for 13 species of triatomine that are included in the genera Triatoma, Rhodnius, and Panstrongylus...
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