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The use of centrifugation to study early Drosophila embryogenesisBy the end of 10th nuclear cycle, the somatic nuclei of the Drosophila embryo have migrated to the periphery of the egg. Centrifugation of embryos did not result in the displacement of these nuclei, since cytoskeletal elements anchor them to the cortex. But, mild centrifugal forces displace the centrally located, nascent yolk nuclei. If this increased sensitivity to hypergravity occurs before the beginning of nuclear differentiation during cycle 8, when the nascent yolk and somatic nuclei physically separate, then it would mark the earliest functional difference between these two lineages.
Document ID
20040089809
Acquisition Source
Headquarters
Document Type
Reprint (Version printed in journal)
Authors
Abbott, M. K.
(Kansas State University Manhattan 66506, United States)
Spooner, B. S.
Date Acquired
August 21, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Transactions of the Kansas Academy of Science
Volume: 96
Issue: 2-Jan
ISSN: 0022-8443
Subject Category
Life Sciences (General)
Funding Number(s)
CONTRACT_GRANT: NAGW-2328
Distribution Limits
Public
Copyright
Other
Keywords
Non-NASA Center
NASA Discipline Number 93-10
NASA Program NSCORT
NASA Discipline Developmental Biology
NASA Discipline Cell Biology

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