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*CIL – Cell Image Library accession number. Please use this to reference an image.

CIL:38718*  Cite 
Description

Isolated chloroplast membranes of the unicellular photosynthetic alga Chlamydomonas reinhardtii were cryofixed, freeze-fractured, and surface replicas observed by transmission electron microscopy. These thylakoid membranes from the ac-31 mutant show the particle size and distribution typical of unstacked membranes. See Fig 21 in Goodenough and Staehelin 1971 J Cell Biol 48:595-619.

Technical Details

Isolated thylakoid membranes were cryoprotected with glycerol, cryofixed, fractured at -100C, shadowed with Pt, and replicas prepared by carbon coating. Cleaned replicas were examined with a Philips 300 TEM. See Goodenough and Staehelin 1971 J Cell Biol 48:595-619

Biological Sources
NCBI Organism Classification
Chlamydomonas reinhardtii
Cell Line
ac-5
ac-31
Cellular Component
chloroplast
plastid
plastid thylakoid membrane
Biological Context
Biological Process
photosynthesis
organelle organization
Attribution
Names
Ursula W. Goodenough
L. Andrew Staehelin
Published
UW Goodenough and LA Staehelin (1971) Structural differentiation of stacked and unstacked chloroplast membranes. J Cell Biol 48:595-619.
Pubmed
4396088
Link
Journal of Cell Biology
Citation
Digital Object Identifier (DOI)
doi:10.7295/W9CIL38718
Archival Resource Key (ARK)
ark:/b7295/w9cil38718
Grouping This image is part of a group.
Imaging
Image Type
recorded image
Image Mode
transmission electron microscopy (TEM)
Parameters Imaged
electron density
Source of Contrast
differences in deposition of metal shadow
Visualization Methods
shadowing and plating
Data Qualifiers
processed data
Sample Preparation
Methods
cryofixed tissue
freeze_fracture/freeze_etch
Relation To Intact Cell
isolated subcellular component
Dimensions
Spatial Axis Image Size Pixel Size
X 1413px ——
Y 1107px ——