Philipp J. Keller, PhD

European Molecular Biology Laboratory (EMBL)
Meyerhofstrasse 1
D-69117 Heidelberg

E-Mail: keller@embl.de 
Tel. +49 (0)6221 387 8123
Room 402


Research Projects

In toto reconstruction of zebrafish embryonic development
Publications: Keller et al 2008b, Brown et al 2010 

Evolution of mutational robustness in the yeast genome architecture
Publications: Keller and Knop 2009

Digital Scanned Laser Light Sheet Microscopy (DSLM)
Publications: Keller et al 2008b, Keller and Stelzer 2009

Microtubule dynamic instability and elastic properties in three dimensions
Publications: Keller et al 2008a

Light sheet microscopy-based experimental studies of microtubules
Publications: Keller et al 2006a, Keller et al 2007, Keller et al 2008a

Cell and Developmental Biology applications of Selective Plane Illumination Microscopy
Publications: Keller et al 2006a, Keller et al 2006b, Stelzer and Keller 2007, Pampaloni et al 2007, Keller et al 2007, Keller et al 2008a

Molecular modelling and analysis of yeast spore formation
Publications: Taxis et al 2005, Gordon et al 2006


Education

10/2005 - 06/2009

PhD in Biology at the European Molecular Biology Laboratory (EMBL)
and at the University of Heidelberg, Germany

Supervision: Dr. Ernst H. K. Stelzer, Prof. Jochen Wittbrodt, Dr. Michael Knop
Projects:
(1) In toto reconstruction of zebrafish embryonic development by scanned light sheet microscopy
(2) Evolution of mutational robustness in the yeast genome architecture
Final grade: 1.0 (excellent) and "summa cum laude"
09/2004 - 09/2005 Diploma thesis at the European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
Supervision: Dr. Ernst H. K. Stelzer, Dr. Michael Knop
Projects:
(1) Microtubule dynamic instability analyzed in three dimensions over time with selective plane illumination microscopy (SPIM)
(2) Modeling of yeast spore number control
Final grade: 1.0 (excellent)
05/2004 - 07/2004 Research practical at the Max-Planck-Institute for Medical Research, Germany
Group: Biomedical Optics, Prof. Winfried Denk
Project: Development of a phase-contrast electron microscope
01/2004 - 07/2004 Research practical at the Institute for Physics at the University of Heidelberg, Germany
Group: Applied Optics and Information Science, Prof. Christoph Cremer
Project: Automation of distance measurements with nanometer precision using a spatially modulated illumination (SMI) microscope
11/2003 - 03/2004 Research practical at the Institute for Physiology at the University of Heidelberg, Germany
Group: Medical Biophysics, Prof. Rainer Fink
Project: Development of a photo-diode-based positioning sensor in optical tweezers for the investigation of actin-myosin-interactions
02/2003 - 04/2003 Research practical at the Max-Planck-Institute for Medical Research, Germany
Group: Biomedical Optics, Prof. Winfried Denk
Project: Theoretical modeling and experimental improvement of the depth penetration in two-photon microscopy
10/2002 - 10/2005 Study of physics at the University of Heidelberg, Germany
Major fields of study: Physics, Biophysics, Physiology
Diploma grade: 1.0 (excellent)
Award of excellence, Otto-Haxel-Prize
10/2000 - 10/2002 Study of physics at the University of Karlsruhe, Germany
Vordiplom (intermediate diploma) grade: 1.0 (excellent)
09/1999 - 07/2000 Civil service at the Clinical Centre Karlsbad, Germany
Division: internal medicine
1998 - 1999 Study of Informatics during 13th grade of high school
Pilot project of the state Baden-Württemberg in collaboration with the University of Karlsruhe
10/1996 Practical at the Karlsruhe Institute of Technology, Germany
Participation in the KASCADE project, study of cosmic radiation
1991 - 1999 Eichendorff High School in Ettlingen, Germany
Major fields of study: Mathematics and Physics
Grade of final examinations: 1.0 (excellent)
Award of excellence, Awards for Mathematics and Natural Sciences


Awards and Honors

06/2009

PhD in Biology awarded "summa cum laude"
University of Heidelberg, Germany
12/2008 "Top Ten Breakthroughs of the Year 2008", Science (322:1768-73)
"Top Five Breakthroughs of the Year 2008", The Times (Dec 19, 2008)
Commendation of the "Zebrafish Digital Embryo" research project
02/2006 Otto-Haxel-Prize
University of Heidelberg, Award for the Best Thesis in Physics
Commendation of the "3D Microtubule Dynamic Instability" research project
10/2005 - 10/2009 PhD Scholarship of the European Molecular Biology Laboratory (EMBL)
10/2005 - 10/2008 PhD Scholarship of the German National Academic Foundation
10/2005 Award of Excellence
University of Heidelberg, Germany
05/2002 - 09/2005 University Scholarship of the German National Academic Foundation
01/2001 - 03/2009 Fellowship of the German Career Network e-fellows.net
06/1999 Award of Excellence
Award for Mathematics and Natural Sciences
Eichendorff High School in Ettlingen, Germany


Peer-Reviewed Primary Publications

Brown K.E., Keller P.J., Ramialison M., Rembold M., Stelzer E.H.K., Loosli F., Wittbrodt, J.
Nlcam modulates midline convergence during anterior neural plate morphogenesis
Developmental Biology, in press, 2010.

Keller P.J., Knop M.
Evolution of mutational robustness in the yeast genome: A link to essential genes and meiotic recombination hotspots
PLoS Genetics, 5(6):e1000533, 2009. PDF

Keller P.J., Schmidt A.D., Wittbrodt J., Stelzer E.H.K.
Reconstruction of zebrafish early embryonic development by Scanned Light Sheet Microscopy
Science, 322:1065-1069, 2008. PDF
Research Highlights in Nature, Nature Cell Biology, Nature Biotechnology, Nature Methods.

Keller P.J., Pampaloni F., Lattanzi G., Stelzer E.H.K.
Three-dimensional microtubule behavior in Xenopus egg extracts reveals four dynamic states and state-dependent elastic properties
Biophysical Journal, 95(3):1474-86, 2008. PDF

Keller P.J., Pampaloni F., Stelzer E.H.K.
Three-dimensional preparation and imaging reveal intrinsic microtubule properties
Nature Methods, 4(10):843-846, 2007. PDF

Gordon O., Taxis C., Keller P.J., Benjak A., Stelzer E.H.K., Simchen G., Knop, M.
Nud1p, the yeast homolog of Centriolin, regulates spindle pole body inheritance in meiosis
EMBO Journal, 25(16):3856-68, 2006. PDF

Taxis C., Keller P.J., Kavagiou Z., Jensen L.J., Colombelli J., Bork P., Stelzer E.H.K., Knop M.
Spore number control and breeding in Saccharomyces cerevisiae: a key role for a self-organizing system
Journal of Cell Biology, 171:627-640, 2005. PDF


Reviews, Conference Proceedings and Book Chapters

Keller P.J., Stelzer E.H.K.
Digital Scanned Laser Light Sheet Fluorescence Microscopy
In: Live Cell Imaging, Cold Spring Harbor Lab. Press., 2009.

Keller P.J., Stelzer E.H.K.
Light Sheet-Based Fluorescence Microscopes (LSFM, SPIM, DSLM) Reduce Phototoxic Effects by Several Orders of Magnitude
SPIE Conf. Proceed. 7367-60, 2009.

Keller P.J., Schmidt A.D., Wittbrodt J., Stelzer E.H.K.
The Zebrafish Digital Embryo: In toto Reconstruction of Zebrafish Early Embryonic Development with Digital Scanned Laser Light Sheet Fluorescence Microscopy
SPIE Conf. Proceed. 7367-21, 2009.

Keller P.J., Stelzer E.H.K.
Quantitative in vivo imaging of entire embryos with Digital Scanned Laser Light Sheet Fluorescence Microscopy
Current Opinion in Neurobiology, 18:624-632, 2009. PDF

Pampaloni F., Keller P.J., Marcello M., Reynaud E.G., Schmidt A., Centanin L., Wittbrodt J., Stelzer, E.H.K.
Live cell imaging in physiologically relevant environments: 3D-squared
Advance Live Cell Imaging, special edition of GIT Imaging & Microscopy, 2008.

Stelzer E.H.K., Keller P.J.
Three-Dimensional Microscopy for a Three-Dimensional World
Innovation, 7:16-8 2007.

Keller, P.J., Stelzer, E.H.K.
Lichtscheiben-Mikroskopie in der molekularen Zellbiophysik
Laborwelt, 5:18-21, 2006.

Keller P.J., Pampaloni F., Stelzer E.H.K.
Life sciences require the third dimension
Current Opinion in Cell Biology, 18(1):117-24, 2006. PDF


Patents

Fully colour-corrected light sheet-based fluorescence microscopy
Inventors: Keller P.J., Stelzer E.H.K.
Application: 22nd August 2008, patent pending

Split beam-scanning microscope illumination system with at least two optical arms
Inventors: Keller P.J., Stelzer E.H.K.
Application: 2nd May 2008, patent pending

Microscope specimen holder
Inventors: Pampaloni F., Keller P.J., Reynaud E.G., Swoger J., Stelzer E.H.K.
International Patent Registry: PCT/EP2006/011863
Application: 8th December 2006 WIPO record


Invited Talks and Conference Contributions

Invited Talk
Shedding light on the system: Reconstructing development with light sheet microscopy.
Trilateral Workshop, Dresden, Germany (2009)

Invited Talk
Shedding light on the system: Reconstructing development with light sheet microscopy.
3rd Mechanobiology Workshop, Singapore (2009)

Seminar
Reconstructing embryonic development with light sheet based microscopy: Shedding light on the system.
Janelia Farm/HHMI Recruiting Symposium, Washington, DC, USA (2009)

Seminar
The Zebrafish Digital Embryo: Quantitative reconstruction of vertebrate development with DSLM.
National University of Singapore (NUS) (2009)

Conference Talk
The Zebrafish Digital Embryo: In Toto Reconstruction of Zebrafish Early Embryonic Development with Digital Scanned Laser Light Sheet Fluorescence Microscopy (DSLM).
European Conferences on Biomedical Optics (ECBO), "Advanced Microscopy Techniques", Munich/Germany (2009)

Invited Talk
The Virtual Embryo: Automated reconstruction of vertebrate development.
9th NIBB-EMBL Meeting, Functional Imaging from Atoms to Organisms, Okazaki/Japan (2009)

Seminar
Quantitative reconstruction of development in entire zebrafish embryos.
University of Dundee, Wellcome Trust Biocentre, Dundee/UK (2009)

Seminar  
Quantitative reconstruction of development in entire zebrafish embryos.
Technical University of Munich, Institute of Neurosciences, Munich/Germany (2009)

Seminar 
Quantitative reconstruction of development in entire Danio rerio embryos.
University of Innsbruck, Center for Molecular Biosciences, Innsbruck/Austria (2009)

Gueat Lecture
The Virtual Embryo.
European Learning Laboratory for the Life Sciences (ELLS), Heidelberg/Germany (2009)

Seminar 
Quantitative reconstruction of development in entire Danio rerio embryos.
University of Chicago, Institute for Genomics and Systems Biology, Chicago/USA (2009)

Seminar 
Quantitative reconstruction of development in entire Danio rerio embryos.
Memorial Sloan-Kettering Cancer Center, New York/USA (2009)

Seminar 
Quantitative reconstruction of development in entire Danio rerio embryos.
The Cancer Research UK London Research Institute, London/UK (2009)

Seminar 
In toto reconstruction of Danio rerio embryonic development.
National Institue for Basic Biology (NIBB), Okazaki/Japan (2008)

Invited Talk
Light Sheet Fluorescence Microscopy. 
International School of Biophysics, Erice/Sicily (2008)

Invited Talk
Reconstruction of Danio rerio embryonic development with DSLM.
Multidimensional Optical Fluorescence Microscopy towards Nanoscopy, Erice/Sicily (2008)

Invited Talk 
In toto reconstruction of Danio rerio embryogenesis with Digital Scanned Laser Light Sheet Microscopy.
INSERM Workshop, Saint-Raphael/France (2008)

Seminar 
In toto reconstruction of Danio rerio embryogenesis with Digital Scanned Laser Light Sheet Microscopy.
École Normale Supérieur (ENS), Paris/France (2008)

Poster 
Investigation of vertebrate embryonic development by DSLM.
Janelia Farm Research Campus, Novel Approaches to Bioimaging, Washington/USA (2008)

Guest Lecture
Cell Lineaging with Scanned Light Sheet Microscopy.
European Learning Laboratory for the Life Sciences (ELLS), Heidelberg/Germany (2007)

Course Instructor
Digital Scanned Laser Light Sheet Microscopy.
EMBO Course: Imaging in 3D and the F-techniques: FRET, FCS, FLIM and FRAP, Singapore (2007)

Conference Talk 
Digital Scanned Light Sheet Microscopy.
Focus on Microscopy, Valencia/Spain (2007)

Conference Talk 
Mutational robustness of sexually structured genomes.
Triangle Meeting, Paris/France (2007)

Lecture
Single Plane Illumination Microscopy and Digital Scanned Laser Light Sheet Microscopy.
EMBL Microscopy Workshop, Heidelberg/Germany (2007)

Lecture
An example of biophysics at EMBL: Cell lineaging with Scanned Light Sheet Microscopy.
International Summer School, Heidelberg/Germany (2007)

Invited Talk
Single Plane Illumination Microscopy in Cell and Developmental Biology.
Microscopy Workshop, The Netherlands Cancer Institute, Amsterdam/Netherlands (2006)

Invited Talk 
Imaging and analysing microtubule dynamic instability in 3D.
CMCI Seminar, Heidelberg/Germany (2006)

Conference Talk 
Microtubule dynamic instability analyzed in three dimensions over time with SPIM.
Meeting of the German Physical Society, Dresden/Germany (2006)

Poster 
3D analysis of microtubule dynamic instability in experiment and in theory.
2nd NIBB-EMBL Meeting, Okazaki/Japan (2006)

Poster 
3D structure of centrosomes and influence on angular distribution of microtubules.
EMBO Conference on Centrosomes and Spindle Pole Bodies, Heidelberg/Germany (2005)

Poster 
3D microtubules dynamic instability analyzed with SPIM. 
FEBS Course and ELMI Meeting on Advanced Light Microscopy, Semmering/Austria (2005)
FEBS/ELMI Award for the Best Poster

Conference Talk 
Cytoskeletal filaments dynamics analyzed in 3D with the Selective Plane Illumination Microscope.
Focus on Microscopy, Jena/Germany (2005)


Research Support

PhD salary: EMBL Internal PhD Fellowship, PIs: Dr. Ernst H.K. Stelzer, Dr. Joachim Wittbrodt, Dr. Michael Knop
Instrumentation: FP6-STREP, 2006-2008, PI: Prof.  Joachim Wittbrodt, volume 140.000 € p.a.