Soft X-Ray Diffraction Microscopy of a Frozen Hydrated Yeast Cell
Journal Article
·
· Physical Review Letters
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800 (United States)
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, New York 11794-5215 (United States)
We report the first image of an intact, frozen hydrated eukaryotic cell using x-ray diffraction microscopy, or coherent x-ray diffraction imaging. By plunge freezing the specimen in liquid ethane and maintaining it below -170 deg. C, artifacts due to dehydration, ice crystallization, and radiation damage are greatly reduced. In this example, coherent diffraction data using 520 eV x rays were recorded and reconstructed to reveal a budding yeast cell at a resolution better than 25 nm. This demonstration represents an important step towards high resolution imaging of cells in their natural, hydrated state, without limitations imposed by x-ray optics.
- OSTI ID:
- 21370816
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 19 Vol. 103; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
60 APPLIED LIFE SCIENCES
ALKANES
COHERENT SCATTERING
CRYSTALLIZATION
DEHYDRATION
DIFFRACTION
ELECTROMAGNETIC RADIATION
ENERGY RANGE
ETHANE
EUMYCOTA
EV RANGE
EV RANGE 100-1000
FREEZING
FUNGI
HYDROCARBONS
ICE
IONIZING RADIATIONS
MICROORGANISMS
MICROSCOPY
ORGANIC COMPOUNDS
PHASE TRANSFORMATIONS
PLANTS
RADIATION EFFECTS
RADIATIONS
SCATTERING
SOFT X RADIATION
X RADIATION
X-RAY DIFFRACTION
YEASTS
ALKANES
COHERENT SCATTERING
CRYSTALLIZATION
DEHYDRATION
DIFFRACTION
ELECTROMAGNETIC RADIATION
ENERGY RANGE
ETHANE
EUMYCOTA
EV RANGE
EV RANGE 100-1000
FREEZING
FUNGI
HYDROCARBONS
ICE
IONIZING RADIATIONS
MICROORGANISMS
MICROSCOPY
ORGANIC COMPOUNDS
PHASE TRANSFORMATIONS
PLANTS
RADIATION EFFECTS
RADIATIONS
SCATTERING
SOFT X RADIATION
X RADIATION
X-RAY DIFFRACTION
YEASTS