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Response to comment on "Fossilized Nuclei and Germination structures identify ediacaran 'Animal Embryos' as encysting protists"


Huldtgren, T; Cunningham, J A; Yin, C; Stampanoni, M; Marone, F; Donoghue, P C J; Bengtson, S (2012). Response to comment on "Fossilized Nuclei and Germination structures identify ediacaran 'Animal Embryos' as encysting protists". Science, 335(6073):1169.

Abstract

The objections of Xiao et al. to our reinterpretation are based on incorrect assumptions. The lack of nanocrystals lining the nuclear membrane is consistent with membrane fossilization, and nucleus volume through development is correlated to cytoplasm volume and fully consistent with sizes of eukaryote nuclei. Identical envelope structure unites the developmental stages of the fossils, and 2n cleavage and Y-shaped junctions are holozoan symplesiomorphies.

Abstract

The objections of Xiao et al. to our reinterpretation are based on incorrect assumptions. The lack of nanocrystals lining the nuclear membrane is consistent with membrane fossilization, and nucleus volume through development is correlated to cytoplasm volume and fully consistent with sizes of eukaryote nuclei. Identical envelope structure unites the developmental stages of the fossils, and 2n cleavage and Y-shaped junctions are holozoan symplesiomorphies.

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8 citations in Web of Science®
6 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Language:English
Date:2012
Deposited On:23 Jan 2013 12:36
Last Modified:07 Dec 2017 18:21
Publisher:American Association for the Advancement of Science
ISSN:0036-8075
Publisher DOI:https://doi.org/10.1126/science.1219076

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