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Paul Matsudaira WI/MIT BioImaging Center, Dept Biology and Div Biological Engineering, MIT Cellular machinery, biomechanics, and bioinformatics IC-21 macrophage cells transfected with GFP, imaged in 3D, and rendered as a projected solid (Imaris) bioengineering models describe biological processes complex movements via cellular machines mechanics + chemistry structures capture states of movement informatics/computing resources
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Quantitative Biology Paradigm courtesy of CSBi
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Cell biologists study large, dynamic structures G. Borisy and S. Tatiana
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1 nm1 µm1 mm cellsorganelles molecules protein machines NMR, x-rays cryo electron microscopy single particle det. dynamic 4D light microscopy resolution and size scale Overlapped structural and cell biology approaches
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zone of adhesion and extenstion Forces generate movements, machines generate forces fimbrin-EGFP timelapse 30 sec
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Changes in structure-assembly, force, chemistry mother adhesion daughter adhesions topside Formation of cell adhesions at the leading edge of a macrophage cell (J. Evans et al J. Cell Biol. in press)
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multispectral fluorescence data acquisition video rate data acquisition cellular tomography and single particle cryoEM imaging high content screening whole proteome studies Cell Biology Appetite for More Information
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High content: Tracking all cell adhesions (J. Evans et al J. Cell Biol. in press)
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Dynamics of structure modulated by microtubules 10 µm paclitaxel 10 µm demecolcine (J. Evans et al J. Cell Biol. in press)
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Imaging storage/processing requirements objectfile size genome sequence 12 MB protein structures 1 2 GB 2D localization 2 6 GB 3D localization 3 300 GB 4D localization 4 3.6 TB 1 52kDa (ave. MW) x 110 MW/residues x 10 atoms 2 512x512 two channel, 16 bit TIFF 3 50 image slices/stack 4 12 images/series
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The BioImaging Pipeline acquisition management processing analysis modelling
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Podosomes split, merge, and appear de novo polar assembly simple dendroid
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genomicsimaging tracescounts ATGCvoxel sequenceimagefunction Imaging is an informatics science
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WI/MIT BioImaging Net terminal Origin 3400 4 TB confocal microscopy Origin 2400 4 TB IBM Power4 6550 Cryo-EM 2-photon microscopy Tape RAID 30TB imaging modes
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Expansion and management of imaging data channel 0channel 1channel 2 multi-spectral (channels) 12 or 16-bit acquisition 256 x 256 1 130 KB 3 910 KB 1024x 1024 1 2 MB 3 14 MB image size (pixels)channels file size 1+2+3
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(x,y,z,t,ch) file size 256 x 256 x 1 x 3 400 KB 256 x 256 x 50 x 3 20 MB 256 x 256 x 50 x 20 x 3 400 MB 1024 x 1024 x 50 x 3 800 MB 1024 x 1024 x 50 x 20 x 3 16 GB 3D/4D image data (stacks) 35KB to 8.2 MB per channel/stack (X:Y:Z or X:Y:T)
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NMR x-ray cryoEM light microscopy
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raw data 12 or 16-bit deconvolved data 32-bit intermediates 32-bit raw data 32-bit 40 MB80 MB 40 MB120 MB200 MB280 MB360 MB accumulated file size Image processing (deconvolution) RAM 256 x 256 x 50 x 3 (x,y,z,ch)
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3.2 GB ch1 vs. ch2 ch1 vs. ch3 ch2 vs. ch3 ch1 vs ch2 vs. ch3 colocalization Total data accumulation rendering 1 GB movies object analyses 1 GB 1 GB ? raw0.4 GB post-deconvol3.6 GB analysis7.2 GB total 11.2 GB
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terminal SGI Origin 3400 32 GB RAM 4 TB Zeiss 510 META ftp data acquisition data storage image restoration image analysis batch rendering database management remote visualization rendering batch design Current WI (local) imaging net stack (512 x 512 x 50 x 12 x 6) 4.8 GB
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Microtubules at podosomes tubulin actin fimbrin
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Dynamic structures from light microscopy fimbrin-EGFP timelapse 15 sec side/bottom view top view ‘finger’ ‘palm’ ‘finger’ ‘finger-tip’ ‘palm’ assembly of cell adhesions in a live cell
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Dynamic Cell Adhesions - Static
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