Encyclopedia of Entomology

2008 Edition
| Editors: John L. Capinera

Vitellogenesis

  • Paul D. Shirk
Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-6359-6_3989

Vitellogenesis is the process of production and accumulation of yolk in a developing oocyte. Female insects seek out a nutritionally suitable environment that will potentially provide more than adequate food resources for her larvae. This behavior assures the propagation of the species. However, before the larva hatches onto its nourishing meal, each egg must come complete with all the developmental instructions (localized determinants), cytological machinery (e.g., ribosomes, mitochondria, and RNAs) and nutrients (yolk) necessary to complete embryogenesis and support the maturation of the embryo through larval hatching and into the first larval instar. The process of vitellogenesis or the production and packaging of nutrients, primarily vitellin or yolk proteins, into the developing oocyte within the ovary is critical to providing the egg with the nutrient resources to complete embryogenesis.

As described under oogenesis, the polytrophic ovary is comprised of ovarioles that contain an...
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References

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Paul D. Shirk
    • 1
  1. 1.USDA, Agricultural Research ServiceGainesvilleUSA