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Fossilized cell nuclei are not that rare: Review of the histological evidence in the Phanerozoic
Bailleul, Alida M.1,2
2021-05-01
发表期刊EARTH-SCIENCE REVIEWS
ISSN0012-8252
卷号216页码:12
通讯作者Bailleul, Alida M.([email protected])
摘要The preservation of cell nuclei in deep time is an area of research that is largely unexplored, likely because of the assumption that fine intracellular organelles are too fragile to enter the fossil record. However, the literature is full of histological reports of Phanerozoic fossils presenting exquisite subcellular details, such as nuclei, nucleoli and even chromosomes seen frozen in multiple stages of cell division and cell death. Starting in the Present and going back in time all the way to the Paleozoic, all histological examinations that recognize cell nuclei in crown multicellular eukaryotes are reviewed here. In the Quaternary, cell nuclei were reported in many mammal mummies found in arctic permafrosts; in the Neogene and Paleogene most reports come from plants and insects preserved in Baltic amber; in the Mesozoic, reports mostly come from dinosaur and plant material. In the Paleozoic, nuclei are reported only in a few Carboniferous plants. The oldest non-controversial nuclei (the 609 million year-old phosphatized Weng?an embryoids) predate the Paleozoic but will also be introduced here. Potential modes of nuclear preservation are also discussed, and it can be concluded that the most important factor is the instantaneous inhibition of autolysis after death. The importance of studying fossil nuclei should not be underestimated, as their morphology hold genetic information and can give insights on the evolution of genome sizes, stases, and karyotypes. Nuclei can also inform on the evolution of cell populations, cell death within the vertebrate tree, and on the preservation of ancient DNA in deep time.
关键词Fossilized cells Chromosomes Nuclei Nucleoli Nuclear preservation Phanerozoic
DOI10.1016/j.earscirev.2021.103599
关键词[WOS]SOFT-TISSUE PRESERVATION ; EXPERIMENTAL SILICIFICATION ; EXCEPTIONAL PRESERVATION ; ANIMAL EMBRYOS ; BONE ; DNA ; CHROMOSOMES ; OSTEOCYTES ; EVOLUTION ; GENOME
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41688103] ; CAS-PIFI (Chinese Academy of Sciences-President's International Fellowship Initiative)
项目资助者National Natural Science Foundation of China ; CAS-PIFI (Chinese Academy of Sciences-President's International Fellowship Initiative)
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000641464100004
出版者ELSEVIER
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/18405
专题中科院古脊椎所(2000年以后)
通讯作者Bailleul, Alida M.
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
2.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
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Bailleul, Alida M.. Fossilized cell nuclei are not that rare: Review of the histological evidence in the Phanerozoic[J]. EARTH-SCIENCE REVIEWS,2021,216:12.
APA Bailleul, Alida M..(2021).Fossilized cell nuclei are not that rare: Review of the histological evidence in the Phanerozoic.EARTH-SCIENCE REVIEWS,216,12.
MLA Bailleul, Alida M.."Fossilized cell nuclei are not that rare: Review of the histological evidence in the Phanerozoic".EARTH-SCIENCE REVIEWS 216(2021):12.
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