Nebenkern

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The nebenkern is a mitochondrial formation in the sperm of some insects such as Drosophila. After the completion of meiosis, spermatid mitochondria wrap around each other to form a spherical aggregate, adjacent to the nucleus. [1] The nebenkern proceeds to elongate into a double-stranded helical structure. [1] [2] During flagellum elongation the nebenkern unfolds and the two derivatives (major and minor mitochondrial derivatives) elongate down the bundle of microtubules that constitute the axoneme core of the flagellum. [3]

Notes

  1. 1 2 "Fuzzy Onions and the Nebenkern". Sinauer Associates, Inc. Archived from the original on February 7, 2007. Retrieved February 29, 2012.
  2. ↑ "nebenkern". The Merriam-Webster Unabridged Dictionary. Merriam Webster, Inc. Retrieved February 29, 2012.
  3. ↑ Michael Ashburner (May 27, 2013). "Nebenkern (Gene Ontology term)".
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