The processes of iron deposition in the common hornet (vespa affinis)

Biology of the Cell
Chin-Yuan Hsu

Abstract

Among insects, only honeybees and bumblebees deposit iron biominerals intracellularly. Although hornet's behaviour is affected by the magnetic field and their abdomen has magnetic remanence, it is not known whether hornets (Vespa affinis) deposit iron biominerals and whether the process of iron deposition in hornets is the same as that of honeybees and bumblebees. Transmission electron microscopy and atomic emission spectroscopy were employed to study intracellular iron deposition in hornets. Iron deposition began on day 2 after eclosion. Primary iron-granules (IGs) are first formed in primary iron deposition vesicles (IDVs) by the aggregation of tiny dense particles. Primary IDVs are double membrane vesicles that seem to derive from endoplasmic reticulum (ER). Primary IGs enlarged continuously into IGs by the aggregation of tiny dense particles till day 5 after eclosion. Next, IGs and IDVs fused to enlarge on day 7. Between days 10 and 17 IGs enlarged continuously in size by the aggregation of tiny dense particles. The cloudy area beneath the inner membrane of IDVs plays an important role in the formation of the tiny dense particles. IGs became mature on day 25 and left a small space, about 10nm in width, between IGs and the o...Continue Reading

Citations

Jan 29, 2010·Journal of the Royal Society, Interface·Eliane WajnbergDarci M S Esquivel
Sep 4, 2015·Journal of the Royal Society, Interface·Jeremy ShawBoris Baer
Dec 18, 2013·Experimental Gerontology·Chin-Yuan HsuYu-Pei Chan
Oct 23, 2010·Experimental Gerontology·Yu-Shan Hsieh, Chin-Yuan Hsu
Oct 29, 2014·Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine·Petr JandackaJana Kukutschova

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