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Related Experiment Videos

Plant cytoplasm preserved by lightning.

X Wang1

  • 1Department of Geological Sciences and Florida Museum of Natural History, University of Florida, Gainesville, FL 32611-7800, USA. wangxin@flmnh.ufl.edu

Tissue & Cell
|September 24, 2004
PubMed
Summary

Exceptional Cretaceous plant fossils reveal lightning may preserve delicate cytoplasm. This finding suggests cytoplasm fossils could become common research objects, advancing paleobotany.

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Area of Science:

  • Paleobotany
  • Biophysics
  • Geophysics

Background:

  • Fossil records typically preserve organisms with hard parts.
  • Physiologically active cytoplasm is rarely preserved in fossils.
  • Exceptional preservation of cytoplasm in plant fossils is uncommon.

Purpose of the Study:

  • To report on two Cretaceous plant fossils with exceptionally preserved cytoplasm.
  • To investigate the role of lightning in cytoplasm fossilization.
  • To explore the implications for paleobotanical research.

Main Methods:

  • Analysis of two Cretaceous plant fossils (over 100 million years old).
  • Microscopic examination of cytoplasm preservation.
  • Interdisciplinary analysis integrating geophysics, botany, biophysics, cytology, and microwave fixation technology.

Main Results:

  • Exceptional preservation of cytoplasm, including subcellular details, was observed in Cretaceous plant fossils.
  • Varied preservation states (well-preserved to hydrolyzed) were noted within adjacent cells.
  • A unique preservation pattern suggests lightning plays a significant role.

Conclusions:

  • Lightning may be a key factor in the fossilization of cytoplasm.
  • Cytoplasmic membranes might be more resilient to degradation than cell contents.
  • This discovery could transform cytoplasm fossils from rare finds to common subjects for biological research, significantly impacting paleobotany.

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