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@ARTICLE{Rolvien:593875,
author = {Rolvien, Tim and Nagel, Florian and Milovanovic, Petar and
Wuertz, Sven and Marshall, Robert Percy and Jeschke, Anke
and Schmidt, Felix N. and Hahn, Michael and Witten, P.
Eckhard and Amling, Michael and Busse, Björn},
title = {{H}ow the {E}uropean eel ( {A}nguilla anguilla ) loses its
skeletal framework across lifetime},
journal = {Proceedings of the Royal Society of London / B},
volume = {283},
number = {1841},
issn = {0080-4649},
address = {London},
publisher = {The Royal Society},
reportid = {PUBDB-2023-05541},
pages = {20161550 -},
year = {2016},
note = {PIF‐2014‐28},
abstract = {European eels (Anguilla anguilla) undertake an impressive 5
000 km long migration from European fresh waters through the
North Atlantic Ocean to the Sargasso Sea. Along with sexual
maturation, the eel skeleton undergoes a remarkable
morphological transformation during migration, where a
hitherto completely obscure bone loss phenomenon occurs. To
unravel mechanisms of the maturation-related decay of the
skeleton, we performed a multiscale assessment of eels'
bones at different life-cycle stages. Accordingly, the
skeleton reflects extensive bone loss that is mediated via
multinucleated bone-resorbing osteoclasts, while other
resorption mechanisms such as osteocytic osteolysis or
matrix demineralization were not observed. Preserving
mechanical stability and releasing minerals for energy
metabolism are two mutually exclusive functions of the
skeleton that are orchestrated in eels through the presence
of two spatially segregated hard tissues: cellular bone and
acellular notochord. The cellular bone serves as a source of
mineral release following osteoclastic resorption, whereas
the mineralized notochord sheath, which is inaccessible for
resorption processes due to an unmineralized cover layer,
ensures sufficient mechanical stability as a part of the
notochord sheath. Clearly, an eel's skeleton is structurally
optimized to meet the metabolic challenge of fasting and
simultaneous sexual development during an exhausting journey
to spawning areas, while the function of the vertebral
column is maintained to achieve this goal.},
ddc = {570},
typ = {PUB:(DE-HGF)16},
doi = {10.1098/rspb.2016.1550},
url = {https://bib-pubdb1.desy.de/record/593875},
}