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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Accessory nuclei in the oocytes of the cockoo wasp, Chrysis ignita (Hymenoptera: Aculeata).

In the oocytes of Chrysis ignita, accessory nuclei (AN) arise before yolk formation, during advanced previtellogenesis. Two categories of AN, small (SAN) and large ( LAN) can be distinguished at this stage of development. Both AN categories contain two dense, morphologically distinct inclusions (termed A and B) immersed in a translucent matrix. AN are exclusively located in the cortical (peripheral) ooplasm. Moreover, LAN are asymmetrically distributed also along the antero-posterior axis of the oocyte, and occur preferentially in the anterior pole periplasm. In contrast, the distribution of SAN is uniform throughout the periplasm.[1]

References

  1. Accessory nuclei in the oocytes of the cockoo wasp, Chrysis ignita (Hymenoptera: Aculeata). Szklarzewicz, T., Biliński, S.M., Klag, J., Jabłońska, A. Folia Histochem. Cytobiol. (1993) [Pubmed]
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