More verbose descriptions of my work can be found in my recent CV


Kevin D Murray, Christfried Webers, Cheng Soon Ong, Justin O Borevitz, Norman Warthmann
kWIP: The k-mer Weighted Inner Product, a de novo Estimator of Genetic Similarity doi:

Christian Wurzbacher, Katrin Attermeyer, Marie Therese Kettner, Clara Flintrop, Norman Warthmann, Sabine Hilt, Hans-Peter Grossart, Michael T Monaghan
DNA metabarcoding of unfractionated water samples relates phyto-, zoo- and bacterioplankton dynamics and reveals a single-taxon bacterial bloom
Environmental Microbiology Reports, 2017, DOI: 10.1111/1758-2229.12540

Christian Wurzbacher, Norman Warthmann, Elizabeth Bourne, Katrin Attermeyer, Martin Allgaier, Jeff R. Powell, Harald Detering, Susan Mbedi, Hans-Peter Grossart, Michael Monaghan
High habitat-specificity in fungal communities in oligo-mesotrophic, temperate Lake Stechlin (North-East Germany)
MycoKeys, 2016, 16(5), 17-44. doi:10.3897/mycokeys.16.9646
here is the corresponding press release

Rivers, J., Warthmann, N., Pogson, B. J., & Borevitz, J. O.
Genomic breeding for food, environment and livelihoods
Food Security, 2015, 7(2), 375-382. doi:10.1007/s12571-015-0431-3

Eva-Maria Willing, Vimal Rawat, Terezie Mandáková, Florian Maumus, Geo Velikkakam James, Karl J.V. Nordström, Claude Becker, Norman Warthmann, Claudia Chica, Bogna Szarzynska, Matthias Zytnicki, Maria C. Albani, Christiane Kiefer, Sara Bergonzi, Loren Castaings, Julieta L. Mateos, Markus C. Berns, Nora Bujdoso, Thomas Piofczyk, Laura de Lorenzo, Cristina Barrero-Sicilia, Isabel Mateos, Mathieu Piednoël, Jörg Hagmann, Romy Chen-Min-Tao, Raquel Iglesias-Fernández, Stephan C. Schuster, Carlos Alonso-Blanco, François Roudier, Pilar Carbonero, Javier Paz-Ares, Seth J. Davis, Ales Pecinka, Hadi Quesneville, Vincent Colot, Martin A. Lysak, Detlef Weigel, George Coupland and Korbinian Schneeberger
Genome expansion of Arabis alpina linked with retrotransposition and reduced symmetric DNA methylation
Nature Plants, 2015, 1(2), 14023. doi:10.1038/nplants.2014.23

Camille Sayou, Marie Monniaux, Max H. Nanao, Edwige Moyroud, Samuel F. Brockington, Emmanuel Thévenon, Hicham Chahtane, Norman Warthmann, Michael Melkonian, Yong Zhang, Gane Ka-Shu Wong, Detlef Weigel, François Parcy, Renaud Dumas
A Promiscuous Intermediate Underlies the Evolution of LEAFY DNA Binding Specificity
Science 2014 Feb 7; 343(6171):645-648

Warthmann N, Ossowski S, Schwab R, Weigel D
Artificial MicroRNAs for Specific Gene Silencing in Rice
Methods Mol Biol. 2013;956:131-49

Patrice Salomé , Kirsten Bomblies, Joffrey Fitz, Roosa A. Laitinen, Norman Warthmann, Levi Yant and Detlef Weigel
The recombination landscape in Arabidopsis thaliana F2 populations
Heredity (2012) vol. 108 (4) pp. 447-55

Korbinian Schneeberger, Stephan Ossowski, Felix Ott, Juliane D. Klein, Xi Wang, Christa Lanz, Lisa M. Smith, Jun Cao, Joffrey Fitz, Norman Warthmann, Stefan R. Henz, Daniel H. Huson, and Detlef Weigel
Reference-guided assembly of four diverse Arabidopsis thaliana genomes
Proc Natl Acad Sci U S A. 2011 Jun 21;108(25):10249-54. Epub 2011 Jun 6

Amy Strange, Peijin Li, Clare Lister, Jillian Anderson, Norman Warthmann, Chikako Shindo, Judith Irwin, Magnus Nordborg, Caroline Dean
Major-effect alleles at relatively few Loci underlie distinct vernalization and flowering variation in Arabidopsis accessions
PLoS ONE 6(5): e19949 (2011).

Kirsten Bomblies, Levi Yant, Roosa A. Laitinen, Sang-Tae Kim, Jesse D. Hollister, Norman Warthmann, Joffrey Fitz, Detlef Weigel
Local-Scale Patterns of Genetic Variability, Outcrossing, and Spatial Structure in Natural Stands of Arabidopsis thaliana
PLoS Genet 6(3): e1000890 (2010).

Alexander Platt, Matthew Horton, Yu S. Huang, Yan Li, Alison E. Anastasio, Ni Wayan Mulyati, Jon Agren, Oliver Bossdorf, Diane Byers, Kathleen Donohue, Megan Dunning, Eric B. Holub, Andrew Hudson, Valérie Le Corre, Olivier Loudet, Fabrice Roux, Norman Warthmann, Detlef Weigel, Luz Rivero, Randy Scholl, Magnus Nordborg, Joy Bergelson, Justin O. Borevitz
The Scale of Population Structure in Arabidopsis thaliana
PLoS Genet 6(2): e1000843 (2010).

Stephan Ossowski, Korbinian Schneeberger, José Ignacio Lucas-Lledó, Norman Warthmann, Richard M. Clark, Ruth G. Shaw, Detlef Weigel, Michael Lynch
The rate and molecular spectrum of spontaneous mutations in Arabidopsis thaliana
Science 2010 Jan 1; 327(5961):92-94.

Schneeberger K, Hagmann J, Ossowski S, Warthmann N, Gesing S, Kohlbacher O, Weigel D.
Simultaneous alignment of short reads against multiple genomes
Genome Biol. 2009, 10:R98.

Schwartz C, Balasubramanian S, Warthmann N, Michael TP, Lempe J, Sureshkumar S, Kobayashi Y, Maloof JN, Borevitz JO, Chory J, Weigel D.
Cis-regulatory Changes at FLOWERING LOCUS T Mediate Natural Variation in Flowering Responses of Arabidopsis thaliana
Genetics 2009; 183: 723-732.

Sureshkumar Balasubramanian, Christopher Schwartz, Anandita Singh, Norman Warthmann, Min Chul Kim, Julin N. Maloof, Olivier Loudet, Gabriel T. Trainer, Tsegaye Dabi, Justin O. Borevitz, Joanne Chory, Detlef Weigel
QTL Mapping in New Arabidopsis thaliana Advanced Intercross-Recombinant Inbred Lines
PLoS ONE 4(2): e4318 (2009)

Stephan Ossowski, Korbinian Schneeberger, Richard M. Clark, Christa Lanz, Norman Warthmann, and Detlef Weigel
Sequencing of natural strains of Arabidopsis thaliana with short reads
Genome Res. 2008 Dec;18(12):2024-33.

Norman Warthmann, Hao Chen, Stephan Ossowski, Detlef Weigel, and Philippe Hervé
Highly Specific Gene Silencing by Artificial miRNAs in Rice
PLoS ONE 3(3): e1829 (2008)
here is the corresponding press release

Norman Warthmann, Sandip Das, Christa Lanz, and Detlef Weigel
Comparative analysis of the MIR319a microRNA locus in Arabidopsis and related Brassicaceae
Mol Biol Evol. 2008 May;25(5):892-902

Kirsten Bomblies, Janne Lempe, Petra Epple, Norman Warthmann, Christa Lanz, Jeffery L. Dangl, Detlef Weigel
Autoimmune Response as a Mechanism for a Dobzhansky-Muller-Type Incompatibility Syndrome in Plants
PLoS Biol 5(9): e236
here is the corresponding press release
and another one

Norman Warthmann, Joffrey Fitz, and Detlef Weigel
MSQT for choosing SNP assays from multiple DNA alignments
Bioinformatics 2007, 23(20):2784-2787

Christine Dreyer, Margarete Hoffmann, Christa Lanz, Eva-Maria Willing, Markus Riester, Norman Warthmann, Andrea Sprecher, Namita Tripathi, Stefan R Henz, Detlef Weigel
ESTs and EST-linked polymorphisms for genetic mapping and phylogenetic reconstruction in the guppy, Poecilia reticulata
BMC Genomics 2007, 8:269

Richard M. Clark, Gabriele Schweikert, Christopher Toomajian, Stephan Ossowski, Georg Zeller, Paul Shinn, Norman Warthmann, Tina T. Hu, Glenn Fu, David A. Hinds, Huaming Chen, Kelly A. Frazer, Daniel H. Huson, Bernhard Schölkopf, Magnus Nordborg, Gunnar Rätsch, Joseph R. Ecker, and Detlef Weigel
Common Sequence Polymorphisms Shaping Genetic Diversity in Arabidopsis thaliana
Science 2007 Jul 20; 317(5836):338-42
here is the corresponding press release

Palatnik JF, Wollmann H, Schommer C, Schwab R, Boisbouvier J, Rodriguez R, Warthmann N, Allen E, Dezulian T, Huson D, Carrington JC, Weigel D
Sequence and Expression Differences Underlie Functional Specialization of Arabidopsis MicroRNAs miR159 and miR319
Dev Cell. 2007 Jul; 13(1):115-25

Johannes Mathieu, Norman Warthmann, Frank Küttner, and Markus Schmid
Export of FT Protein from Phloem Companion Cells Is Sufficient for Floral Induction in Arabidopsis
Current Biology, Vol 17, 1055-1060 (2007)

Balasubramanian S, Sureshkumar S, Agrawal M, Michael TP, Wessinger C, Maloof JN, Clark R, Warthmann N, Chory J, Weigel D
The PHYTOCHROME C photoreceptor gene mediates natural variation in flowering and growth responses of Arabidopsis thaliana
Nature Genetics 38, 711 - 715 (2006)

Schwab R, Ossowski S, Riester M, Warthmann N, Weigel D
Highly Specific Gene Silencing by Artificial MicroRNAs in Arabidopsis.
The Plant Cell 18:1121-1133 (2006)

Jonathan D. Werner, Justin O. Borevitz, Norman Warthmann, Gabriel T. Trainer, Joseph R. Ecker, Joanne Chory, and Detlef Weigel
Quantitative trait locus mapping and DNA array hybridization identify an FLM deletion as a cause for natural flowering-time variation
Proc Natl Acad Sci U S A. 2005 Feb 15;102(7):2460-5.

Policy Documents

Norman Warthmann
Plant Genetic Resources and Genomics: Mainstreaming Agricultural Research through Genomics
for: The International Treaty on Plant Genetic Resources for Food and Agriculture (2014), 70-page document written in 2014 as consultant to the ITPGRFA Secretariat, FAO, Rome

Norman Warthmann and Claudio Chiarolla
Thinking a Global Open Genome Sequence Data Framework for Sustainable Development
submitted in 1015 to Crowdsourced Science Briefs on Sustainable Development, part of the efforts to improve science-policy interface in the intergovernmental processes on sustainable development at the United Nations
the full text (pdf) of the brief is here
read the corresponding press release


Norman Warthmann and Detlef Weigel
The use of class IIB restriction endonucleases in 2nd generation sequencing applications
European Application Publication (Source: EPO)
Publication No. EP 2248914 A1 published on 10-Nov-2010
Application No. EP 09006133.4 filed on 05-May-2009

Book chapters

Rebecca Schwab, Stephan Ossowski, Norman Warthmann, and Detlef Weigel
Directed Gene Silencing with Artificial MicroRNAs
in B.C. Meyers and P.J. Green (eds.), Plant MicroRNAs, Methods in Molecular Biology, 2010, vol. 592, pp. 71-88

Norman Warthmann, Stephan Ossowski, Rebecca Schwab and Detlef Weigel
Specific gene silencing by artificial miRNAs in rice
in Yinong Yang (ed.), "Methods in Molecular Biology: Rice Protocols"
(HumanaPress, submitted)


IITA-Kenya monthly seminar, Nairobi, Kenya
Invited talk: Unlocking the Genomic Diversity in Genebanks
September, 23rd, 2016

Plant Genomics Congress Asia, Kuala Lumpur, Malaysia
invited talk: Reference-based Cloning using phenotypic pools
February 24, 2014

Syngenta Epigenetics & RNA Conference, London, UK
invited talk: Artificial miRNAs as a Reverse Genetics Tool in Plants
December 4th, 2008

XX. International Congress of Genetics, Berlin, Germany
Session CSI2: Genetics & World Hunger
Gene Silencing by Artificial miRNAs: A Tool to Guide More Green Revolutions?
July 17th, 2008

Tuesday Colloquium Max Planck Institute for Developmental Biology
Finding the Genes and Proving Causality: Tools for Natural Variation Research
Oct 23rd, 2007

The 5th International Symposium of Rice Functional Genomics, Tsukuba, Japan
Gene silencing by artificial miRNAs in rice: A step towards a second green revolution?
Oct 16th, 2007

Annual Meeting of Students in Evolution and Ecology (StEVE)
Creating SNP-Markers for Natural Variation Research
Oct 14th, 2006

Division Seminar (Plant Breeding, Genetics, and Biotechnology Division) International Rice Research Institute, Los Bańos, Philippines
A tour from mapping QTLs, comparative genomics, artificial micro RNAs and back
May 3rd, 2006