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2011
Rödelsperger, C. & Sommer, R. J. (2011): Computational archeology of the Pristionchus pacificus genome reveals evidence of horizontal gene transfers from insects. BMC Evol. Biol., 11: 239.
Featured in:
Danchin, E.G.J. (2011): What Nematode genomes tell us about the importance of horizontal gene transfers in the evolutionary history of animals. Mobile Genetic Elements, 1: 4.
D’Anna, I. & Sommer, R. J. (2011): Pristionchus uniformis – should I stay or should I go? Recent host range expansion in an European nematode. Ecology and Evolution, 1, 468-478.Sommer, R. J. & Ogawa, A. (2011): Hormone signaling and phenotypic plasticity in nematode development and evolution. Curr. Biol., 21, R758-R766.
Sommer, R. J. & Streit, A. (2011): Comparative genetics and genomics of nematodes: Genome structure, development and life style. Ann. Rev. Genet., 45, 1-20.
Wang, X. & Sommer, R. J. (2011): Antagonism of LIN-17/Frizzled and LIN-18/Ryk in nematode vulva induction reveals evolutionary alterations in core developmental pathways. PLoS Biology, 9, e1001110.
Molnar, R., Bartelmes, G., Dinkelacker, I., Witte, H. & Sommer, R. J. (2011): Mutation rates and intraspecific divergence of the mitochondrial genome of Pristionchus pacificus. Mol. Biol. Evol., 28, 2317-2326.
Rae, R. & Sommer, R. J. (2011): Bugs don´t make worms kill. J of Exp. Biology. 214, 1053.
Brown, F. D., D’Anna, I., Sommer, R. J. (2011): Host finding behaviour in the nematode Pristionchus pacificus. Proc. R. Soc. B, 278, 3260-3269.
Mayer, M. G. & Sommer R. J. (2011): Natural variation in Pristionchus pacificus dauer formation reveals cross-preference rather than self-preference of nematode dauer pheromones. Proc. R. Soc. B, 278, 2784-2790.
Ogawa, A., Bento, G., Bartelmes, G., Dieterich, C. & Sommer, R. J. (2011): Pristionchus pacificus daf-16 is essential for dauer formation but dispensable for mouth form dimorphism. Development, 138, 1281-1284.
Mayer, W. E., Schuster, L., Bartelmes, G., Dieterich, C & Sommer R. J. (2011): Horizontal gene transfer of microbial cellulases into nematode genomes is associated with functional assimilation and gene turnover. BMC Evolutionary Biology, 11: 13.
Herrmann, M. & Sommer, R. J. (2011): The genome of Pristionchus pacificus and implications for survival attributes. In: Molecular and Physiological Basis of Nematode Survival (Eds. R. Perry & D. Wharton). pp 86-98.
Sommer R. J. (2011): Zur wissenschaftlichen Vielfalt der modernen Evolutionsbiologie. In: Charles Darwin und seine Bedeutung für die Wissenschaften. Eds.: Prof. E.-M. Engels, O. Betz, H.-R. Köhler, Th. Potthast. Attempto Verlag , pp 77-88.
Sommer R. J. (2011): Zum Wissenschaftsverständnis der modernen Evolutionsbiologie. In: (Ed.: D. Graf): Evolutionstheorie – Akzeptanz und Vermittlung im europäischen Vergleich. Springer Verlag, Berlin, pp 91-98.
2010
Rae, R., Iatsenko, I., Witte, H. & Sommer, R. J. (2010): A subset of naturally isolated Bacillus strains show extreme virulence to the free-living nematodes Caenorhabditis elegans and Pristionchus pacificus. Environmental Microbiology, 11, 3007-3021.
Bento, G., Ogawa, A. & Sommer, R. J. (2010): Co-option of the hormone-signalling module dafachronic acid–DAF-12 in nematode evolution. Nature, 466, 494-497.
Borchert, N., Dieterich, C., Krug, K., Schütz, W., Jung, S., Nordheim, A., Sommer R. J. & Macek, B. (2010): Proteogenomics of Pristionchus pacificus reveals distinct proteome structure of nematode models, Genome Research, 20, 837-846.
Weller, A., Mayer, W., Rae, R. & Sommer, R. J. (2010): Quantitative assessment of the nematode fauna present on Geotrupes dung beetles reveals species-rich communities with a heterogenous distribution. J. of Parasit., 96 (3), 525-531.
Herrmann, M., Kienle, S., Rochat, J., Mayer, W., & Sommer, R. J. (2010): Haplotype diversity of the nematode Pristionchus pacificus on Réunion in the Indian Ocean suggests multiple independent invasions. Biol. J. Linn. Soc., 100, 170-179.
Nemetschke, L., Eberhardt, A. G., Hertzberg, H. and Streit, A. (2010): Genetics, chromatin diminution and sex chromosome evolution in the parasitic nematode genus Strongyloides. Current Biology, 20, 1687-1696.
Nemetschke, L., Eberhardt, A. G., Viney, M. E. & Streit, A. (2010): A genetic map of the animal-parasitic nematode Strongyloides ratti. Molecular and Biochemical Parasitology, 169, 124-127.
Streit, A. & Sommer, R. J. (2010): Random expression goes binary. Nature 463, 891-892 (News and Views).
2009
Wegewitz, V. Schulenburg, H. & Streit, A. (2009): Do males facilitate the spread of novel phenotypes within populations of the androdioecious nemadode Caenorhabditis elegans. Journal of Nematology, 41, 247-254.
Ogawa, A. & Sommer R. J. (2009): Strategies to get arrested. Science, 326, 944-945.
Yi, B., Bumbarger, D. & Sommer, R. J. (2009): Genetic evidence for pax-3 function in myogenesis in the nematode Pristionchus pacificus. Evol. & Devel., 11, 669-679.
Mayer, W., Herrmann, M., Sommer, Ralf J. (2009): Molecular phylogeny of beetle associated diplogastrid nematodes suggests host switching rather than nematode-beetle coevolution. BMC Evolutionary Biology, 9:212.
Sommer, R. J. (2009): The future of evo-devo: model systems and evolutionary theory. Nature Rev. Genetics, 10, 416-422.
Dieterich, C. & Sommer, R. J. (2009): How to become a parasite – lessons from the genomes of nematodes. Trends in Genetics, 25, 203-209.
Sommer, R. J. & Riebesell, M. (2009): Die Entstehung der biologischen Formenvielfalt und das Verhältnis zwischen Entwicklungsbiologie und Evolutionsforschung. 276-302. In: Charles Darwin und seine Wirkung (Ed.: E.-M. Engels). Suhrkamp Verlag.
Schlager, B., Wang, X., Braach, G. & Sommer, R. J. (2009): Molecular cloning of a dominant Roller mutant and establishment of DNA-mediated transformation in the nematode model Pristionchus pacificus, Genesis, 47, 300-304.
Ogawa, A., Streit, A., Antebi, A. & Sommer R. J. (2009): A conserved endocrine mechanism controls the formation of dauer and infective larvae in nematodes. Current Biology, 19, 67-71.
Minasaki, R. Puoti, A. and Streit, A. (2009): The DEAD-box protein MEL-46 is required in the germ line of the nematode Caenorhabditis elegans. BMC Developmental Biology 9, 35.
Wegewitz, V., Schulenburg, H. & Streit, A. (2009): Do males facilitate the spread of novel phenotypes within populations of the androdioecious nematode Caenorhabditis elegans. Journal of Nematology, 41, 247-254.
Featured Article:Viney M.E. (2009): How did parasitic worms evolve? BioEssays, 31, 496-499.
2008
Rudel, D., Tian, H. & Sommer, R.J. (2008): The evolution of morphological novelties: An essential role for Wnt signaling in P. pacificus gonadal arm extension. Proc. Natl. Aca. Sci., 105, 10826-10831.
Dieterich, C., Clifton, S.W., Schuster, L.N., Chinwalla, A., Delehaunty, K., Dinkelacker, I., Fulton, L., Fulton, R., Godfrey, J., Minx, P., Mitreva, M., Roeseler, W., Tian, H., Witte, H., Yang, S.P., Wilson, R.K., Sommer, R.J. (2008): The Pristionchus pacificus genome provides a unique perspective on nematode lifestyle and parasitism. Nature Genetics, 40, 1193-1198.
Eberhardt, A.G., Mayer, W.E., Bonfoh, B. and Streit, A. (2008): The Strongyloides (Nematoda) of sheep and the predominant Strongyloides of cattle form at least two different, genetically isolated populations. Veterinary Parasitology, 157, 89-99.
Wegewitz, V., Schulenburg, H. and Streit, A. (2008): Caenorhabditis elegans (Nematoda). Experimental insight into the proximate causes of male persistence variation among two strains of the androdioecious. BMC Ecology, 8, 12.
Sommer, R. J. (2008): Homology and the hierarchy of biological systems. BioEssays, 30, 653-658.
Hong, R. L., Svatos, A., Herrmann, M. & Sommer, R. J. (2008): Species-specific recognition of beetle cues by Pristionchus maupasi. Evol. & Devel., 10, 273-279.
Hong, R. L., Witte, H. & Sommer, R. J. (2008): P. pacificus Insect Pheromone attraction involves the protein kinase EGL-4. Proc. Natl. Aca. Sci., Natural variation, 105, 7779-7784.
Sommer, R. J. & Riebesell, M. (2008):
Die Entstehung der biologischen Formenvielfalt zur Bedeutung der
Entwicklungsbiologie für die Evolutionsforschung. Pp. 57-78. In: Die Evolution des Lebendigen. (eds. H. Köhler & O. Betz). Attempto Verlag, Tübingen.
Dieterich, C. & Sommer R. J. (2008): A Caenorhabditis motif compendium for studying transcriptional gene regulation. BMC Genomics, 9, 30.
Tian, H, Schlager, B., Xiao, H. & Sommer, R. J. (2008): Wnt signaling by differentially expressed Wnt ligands induces vulva development in Pristionchus pacificus. Current Biology, 18, 142-146.
Zauner, H. and Sommer, R. J. (2008): Evolution and development: Towards a synthesis of macro- and micro-evolution with ecology. pp. 157-171 In: Evolving pathways: Key Themes in Evolutionary Developmental Biology (eds. A. Minelli & G. Fusco). Cambridge University Press, Cambridge.
Streit, A. (2008): Reproduction in Strongyloides (Nematoda): a life between sex and pathenogenesis. Parasitology, 135, 285-294. Cambridge University Press.
Rae, R., Riebesell, M., Dinkelacker, I., Wang, Q., Herrmann, M., Weller, A. M., Dieterich, C. & Sommer, R. J. (2008): Isolation of naturally associated bacteria of necromenic Pristionchus nematodes and fitness consequences. J. Exp. Biology, 211, 1927-1936.
Rae, R., Schlager, B. & Sommer, R. J. (2008): Pristionchus pacificus, a genetic model system for evolutionary developmental biology and the evolution of complex life-history traits. In: Emerging model organisms, Cold Spring Harbor Laboratory Press (ed.: N. Patel).
Featured Article
2007
H. Zauner, W.E. Mayer, M. Herrmann, A. Weller, M. Erwig and R.J. Sommer (2007): Distinct patterns of genetic variation in Pristionchus pacificus and Caenorhabditis elegans, two partially selfing nematodes with cosmopolitan distribution. Molecular Ecology 207, 16, 1267-1280.
R. Minasaki and A. Streit (2007): MEL-47, a novel protein required for early cell divisions in the nematode Caenorhabditis elegans., Mol. Genet. Genomics, 277, 315-328.
H. Zauner and R.J. Sommer (2007): Evolution of robustness in the signaling network of Pristionchus vulva development. PNAS, 104, 10086-10091.
A.G. Eberhardt, W.E. Mayer and A. Streit (2007): The free-living generation of the nematode Strongyloides papillosus undergoes sexual reproduction. International Journal for Parasitology, 37, 989-1000.
W. E. Mayer, M. Herrmann and R.J. Sommer (2007): Phylogeny of the nematode genus Pristionchus and implications for biodiversity, biogeography and the evolution of hermaphroditism. BioMed, Evolutionary Biology, 7,104.
B. Yi and R.J. Sommer (2007): The pax-3 gene is involved in vulva formation in Pristionchus pacificus and is a target of the Hox gene lin-39. Development, 134, 3111-3119.
A. Gutierrez and R.J. Sommer (2007): Functional diversification of the nematode mbd2/3 gene between Pristionchus pacificus and Caenorhabditis elegans. BMC Genetics, 8, 57.
R.J. Sommer (2007): Population genetics meets development. BioEssays, 29, 1062-163.
J.S. Torday, V.K. Rehan, J.W. Hicks, T. Wang, J. Maina, E.R. Weibel, C.C.W. Hsia, R.J. Sommer and S.F. Perry (2007): Deconvoluting lung evolution: from phenotypes to gene regulatory networks. Integrative and Comparative Biology, 47, number 4, 601-609.
M. Herrmann, W.E. Mayer, R.L. Hong, S. Kienle, R. Minasaki and R.J. Sommer (2007): The Nematode Pristionchus pacificus (Nematoda:Diplogastridae) is associated with the Oriental Beetle Exomala orientalis (Coleoptera: Scarabaeidae) in Japan. Zoological Science, 24, 883-889.
G. Rätsch, S. Sonnenburg, J. Srinivasan, H. Witte, H.R. Müller, R. J. Sommer & B. Schölkopf (2007): Improving the C. elegans genome annotation using machine learning techniques. PLoS Computational Biology, 3, 313-322.
K. Kiontke, A. Barrière, I. Kolotuev, B. Podbilewicz, R.J. Sommer, D. Fitch & M.-A. Félix (2007): Trends, stasis and drift in the evolution of nematode vulva development. Current Biology, 17 (22), 1925-1937.2006
A. Photos, A. Gutierrez and R.J. Sommer (2006): sem-4/spalt and egl-17/FGF have a conserved role in sex myoblast specification and migration in P.pacificus and C.elegans. Developmental Biology, 293, 142-153.
M. Herrmann, W.E. Mayer, R.J. Sommer (2006): Nematodes of the genus Pristionchus are closely associated with scarab beetles and the Colorado potato beetle in Western Europe. Zoology, 109, 96-108.
R.L. Hong and R.J. Sommer (2006): Pristionchus pacificus: a well-rounded nematode. Bio Essays, 28, 651-659.
B. Schlager, W. Röseler, M. Zheng, A. Gutierrez and R.J. Sommer (2006): HAIRY-like transcription factors and the evolution of the nematode vulva equivalence group. Current Biology, 16, 1386-1394.
R.J. Sommer (2006): New inroads to development. Development, 133, 2451-2453.
M. Herrmann, W.E. Mayer and R.J. Sommer (2006): Sex, bugs and Haldane’s rule: the
nematode genus Pristionchus in the United States,
31-15. Frontiers in Zoology.
2005
D. Rudel, M. Riebesell and R.J. Sommer (2005): Gonadogenesis in Pristionchus pacificus and organ evolution: development, adult mor, phology and cell-cell interactions in the hermaphrodite gonad. Developmental Biology, 277, 200-221.
M. Zheng, D. Messerschmidt, B. Jungblut and R.J. Sommer (2005): Conservation and diversification of Wnt signaling function during the evolution of nematode vulva development. Nature genetics, 37,300-304.
R.J.Sommer (2005): Evolution of development in nematodes related to C.elegans. WormBook doi10.1895/wormbook. 1.46.1.
K. Takacs-Vellai, T. Vellai, A. Puoti, M. Passannante, C. Wicky, A. Streit, A.L. Kovacs, F. Müller (2005): Inactivation of the autophagy gene bec-1 triggers apoptotic cell death in C. elegans. Current Biology, 15, 1513-1517.
2004
J. Srinivasan, G.W. Otto, U. Kahlow, R. Geisler and R.J. Sommer (2004): AppaDB: an AcedB database for the nematode satellite organism Pristionchus pacificus. Nucleic Acids Research, 32, Database issue 421-422.
A. Pires da Silva and R.J. Sommer (2004): Conservation of the global sex determination gene tra-1 in distantly related nematodes. Genes & Development, 18, 1198-1208.
Ch. Kenning, I. Kipping and R.J. Sommer (2004): Isolation of mutations with dumpy-like phenotypes and of collagen genes in the nematode Pristionchus pacificus. Genesis, 40, 176-183.
A. Gutierrez and R.J. Sommer (2004): Evolution of dnmt-2 and mbd-2-like genes in the free-living nematodes Pristionchus pacificus, Caenorhabditis elegans and Caenorhabditis briggsae. Nucleic Acids Res., 21, 6388-6396.
R.J. Sommer (2004): Evolution of nematode development – how cells and genes change their function. In „Modularity in evolution and development (G.Schlosser and G.Wagner, eds.) Chicago University Press, Chicago pp.414-428.
2003
A. Pires da Silva, R.J. Sommer (2003): The Evolution of Signalling Pathways in Animal Development. Genetics, 4, 39-49.
H. Meinhardt (2003): Complex pattern formation by a self-destabilization of established patterns: chemotactic orientation and phyllotaxis as examples. C.R.Biologies, 326, 223-237.
A. Gutierrez, L. Knoch, H. Witte and R.J. Sommer (2003): Functional specificity of the nematode Hox gene mab-5. Development, 130, 983-993.
K.Z. Lee, A. Eizinger, R. Nandakumar, S.C. Schuster and R.J. Sommer (2003): Limited microsynteny between the genomes of Pristionchus pacificus and Caenorhabditis elegans. Nucleic Acids Research, 31, No.10, 2553-2560.
A. Pires da Silva and R.J. Sommer (2003): Finally, Worm Polycomb-like Genes Meet Hox Regulation. Development Cell, 4, 769-773.
H. Meinhardt (2003): Pattern forming reactions and the generation of primary embryonic axes. Buch: Morphogenesis and pattern formation in biological systems. T. Sekimura, S. Noji, N. Ueno, P.K. Maini. Springer Verlag, 3-19.
J. Srinivasan, W. Sinz, T. Jesse, L. Wiggers-Perebolte, K. Jansen, J. Buntjer, M. van der Meulen and R.J. Sommer (2003): An integrated physical and genetic map of the nematode Pristionchus pacificus. Mol. Gen.Genomics, 269, 715-722.
G.J.Velicer and Yuen-tsu N.Yu (2003): Evolution of novel cooperative swarming in the bacterium Myxococcus xanthus. Nature, 425, 75-78.
G.J. Velicer (2003): Social strife in the microbial world. Trends in Microbiology, 11, 330-337.
F. Fiegna and G.J. Velicer (2003): Competitive fates of bacterial social parasites: persistence and self-induced extinction of Myxococcus xanthus cheaters. Proc.R.Soc.Lond. B, 270, 1527-1534.
D. Rudel and R.J. Sommer (2003): The evolution of developmental mechanisms. Developmental Biology, 264, 15-37 Review.
K.Z. Lee and R.J. Sommer (2003): Operon Structure and Trans-Splicing in the Nematode Pristionchus pacificus. Molecular Biology and Evolution, 20, No.12, 2097-2203.
H. Meinhardt (2003): Models for pattern formation and the position-specific activation of genes. Elsevier „On Growth, Form and Computers“ S.Kumar and P.J. Bentley, 135-155.
2002
H. Meinhardt (2002): The radial-symmetric hydra and the evolution of the bilateral body plan: an old body became a young brain. BioEssays, 24, 185-191.
G.J. Velicer, R.E. Lenski, L. Kroos (2002): Rescue of Social Motility Lost during Evolution of Myxococcus xanthus in an Asocial Environment. Journal of Bacteriology, 184, 2719-2727.
Ch. Niehrs, H. Meinhardt (2002): Modular feedback. Nature, 417, 35-36.
H. Meinhardt, S. Roth (2002): Sharp peaks from shallow sources. Nature, 419, 261-262.
J. Srinivasan, W. Sinz, Chr. Lanz, A. Brand et al (2002): A Bacterial Artificial Chromosome-Based Genetic Linkage Map of the Nematode Pristionchus pacificus. Genetics, 162, 129-134.
G. J. Velicer and K.L.Stredwick (2002): Experimental social evolution with Myxococcus xanthus. Kluver Academic Publishers, 81, 155-164.
G.J. Velicer, R.E. Lenski and L. Kroos (2002): Rescue of Social Motility lost during Evolution of Myxococccus xanthus in an Asocial Environment. Journal of Bacteriology, 184 (10), 2719-2727.
J. Srinivasan, R.J. Sommer (2002): From evolutionary developmental biology to genomics: towards a genome map of the free-living nematode Pristionchus pacificus. Elsevier Sciences. International Congress Series, 1246, 101-110.
2001
R.J. Sommer, H. Nguyen and I. Schlak (2001): Towards a microevolutionary approach in evolutionary developmental biology: Biogeography of the nematode genus Pristionchus (Diplogastridae). Zoology, 103, 91-98.
H. Meinhardt (2001): Strukturbildungsprozesse: Auf- und Abbau von Mustern in der Biologie. Biologie in unserer Zeit, 31, 22-28.
H. Meinhardt (2001): Strukturbildungsprozesse: Computersimulationen biologischer Musterbildung. Biologie in unserer Zeit, 31, 48-53.
B. Jungblut and R.J. Sommer (2001): The nematode even-skipped homolog vab-7 regulates gonad and vulva position in Pristionchus pacificus. Development, 128, 253-261.
H. Meinhardt (2001): Organizer and axes formation as a self-organizing process. Int.J.Dev.Biol., 45, 177-188.
C.A. Hale, H. Meinhardt and P.A.J.de Boer (2001): Dynamic localization cycle of the cell division regulator MinE in Escherichia coli. The EMBO Journal, 20/7, 1563-1572.
H. Meinhardt (2001): La belleza algoritmica de un pequeno polipo de agua dulce, la Hidra. La Gaceta, 66-75.
K. Grandien and R.J. Sommer (2001): Functional comparison of the nematode Hox gene lin-39 in C.elegans and P. pacificus reveals evolutionary conservation of protein function despite divergence of primary sequences. Genes & Development, 15, 2161-2172.
B. Jungblut, A. Pires da Silva and R.J. Sommer (2001): Formation of the egg-laying system in Pristionchus pacificus requires complex interactions between gonadal, mesodermal and epidermal tissues and does not rely on single cell inductions. Development, 128, 3395-3404.
R.J. Sommer (2001): As good as they get: cells in nematode vulva development and evolution. Current Opinion in Cell Biology, 13, 715-720.
J. Srinivasan, A. Pires da Silva, A. Gutierrez, M. Zheng, B. Jungblut, H. Witte, I. Schlak and R.J. Sommer (2001): Microevolutionary analysis of the nematode genus Pristionchus suggests a recent evolution of redundant developmental mechanisms during vulva formation. Evolution and Development, 3/Number 4, 229-240.
H. Meinhardt and P.A.J.de Boer (2001): Pattern formation in Escherichia coli: A model for the pole-to-pole oscillations of Min proteins and the localization of the division site. PNAS, 98, No.25, 14202-14207.
2000
R.J. Sommer (2000): Caenorhabditis elegans : Ein Wurm für alle Fälle. BIOforum, 23,126-128.
M.A. Felix, P. DeLey, R. J. Sommer, L. Frisse, S. A.Nadler, W.K. Thomas, J. Vanfleteren, P.W. Sternberg (2000): Evolution of Vulva Development in the Cephalobina (Nematoda). Developmental Biology, 221, 68-86.
R.J. Sommer (2000): Evolution of nematode development. Current Opinion in Genetics & Development, 10, 443-448.
H.Meinhardt (2000): Models for organizer and notochord formation. Comptes Rendus Arcad.Sci., 323, 23-31.
H. Meinhardt, A.Gierer (2000): Pattern formation by local self-activation and lateral inhibition. BioEssays, 22, 753-760.
H. Meinhardt (2000): Biological pattern formation as a complex dynamic phenomenon. In: Pattern Formation in Biology, Vision and Dynamics. World Scientific, Singapore, 99-132.
B. Jungblut and R.J. Sommer (2000): Novel cell-cell interactions during vulva development in Pristonchus pacificus. Development, 127, 3295-3303.
H. Meinhardt (2000): Beyond spots and stripes: Generation of more complex patterns by modification and additions of the basic reaction. Springer Verlag (Buchbeitrag), 143-165.
H. Kagoshima, R. Sommer, B.J. Reinhart, G. Cassata, G. Ruvkun, Th.R. Bürglin (2000): Graded expression of ceh-14 reports in the hypodermis is induced by a gonadal signal. Dev. Genes Evol., 210, 564-569.
H. Meinhardt (2000): Patterning a chemotactic response. BioEssays, 22, 1048.
R.J. Sommer (2000): Comparative genetics: A third model nematode species. Current Biology, 10, 879-881.
R.J. Sommer, I. Carmi, A. Eizinger, K. Grandien, B. Jungblut, K-Z. Lee, H. Nguyen, A. Pires da Silva, I. Schlak, C.B. Sigrist and J. Srinivasan (2000): Pristionchus pacificus: a satellite organism in evolutionary developmental biology. Nematology, 2 (1), 81-88.
1999
A. Eizinger, B. Jungblut, R.J. Sommer (1999): Evolutionary change in the functional specificity of genes.Trends Genet., 15, 197-202.
C.B. Sigrist, R.J. Sommer (1999): Vulva formation in Pristionchus pacificus relies on continuous gonadal induction. Dev.4 Genes Evol., 209, 451-459.
R.J. Sommer, C.B. Sigrist, K. Grandien, B. Jungblut, A. Eizinger, H. Adamis and I. Schlak (1999): A phylogenetic interpretation of nematode vulval variations. Invertebrate Reproduction and Development, 36, 1-3, 57-65.
M.A. Felix, R.J. Hill, H. Schwarz, P.W. Sternberg, W. Sudhaus, R.J. Sommer (1999): Pristionchus Pacificus, a nematode with only three juvenile stages, displays major heterochronic changes relative to Caenorhabditis elegans. Proc.R.Soc.Lond.B., 266, 1617-1621.
R.J. Sommer (1999): Convergence and the interplay of evolution and development. Evolution & Development, 1:1, 8-10.