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Ralf Sommer

Research Profile

Physiology

Genes & Molecular Sequences

Concepts & Ideas

Anatomy

Vulva

Phenomena

Chemicals & Drugs

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Publications

TOP 3
Vahan Serobyan; Manuela R Müller; Erik J Ragsdale; Ralf J Sommer
Feeding plasticity in the nematode Pristionchus pacificus is influenced by sex and social context and is linked to developmental speed.
Ralf J Sommer; Angela McGaughran
The nematode Pristionchus pacificus as a model system for integrative studies in evolutionary biology.
Simone Kienle; Ralf J Sommer
Cryptic variation in vulva development by cis-regulatory evolution of a HAIRY-binding site.

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All Publications

2013: Vahan Serobyan; Manuela R Müller; Erik J Ragsdale; Ralf J Sommer
Feeding plasticity in the nematode Pristionchus pacificus is influenced by sex and social context and is linked to developmental speed.
Evolution & development 2013;15(3):161-70.
2013: Ralf J Sommer; Angela McGaughran
The nematode Pristionchus pacificus as a model system for integrative studies in evolutionary biology.
Molecular ecology 2013;22(9):2380-93.
2013: Simone Kienle; Ralf J Sommer
Cryptic variation in vulva development by cis-regulatory evolution of a HAIRY-binding site.
Nature communications 2013;4():1714.
2013: Angela McGaughran; Katy Morgan; Ralf J Sommer
Unraveling the evolutionary history of the nematode Pristionchus pacificus: from lineage diversification to island colonization.
Ecology and evolution 2013;3(3):667-75.
2013: Daniel J Bumbarger; Metta Riebesell; Christian Rödelsperger; Ralf J Sommer
System-wide rewiring underlies behavioral differences in predatory and bacterial-feeding nematodes.
Cell 2013;152(1-2):109-19.
2012: Nadine Borchert; Florian Gnad; Karsten Krug; Amit Sinha; Ralf J Sommer; Boris Macek
Phosphoproteome of Pristionchus pacificus provides insights into architecture of signaling networks in nematode models.
Molecular & cellular proteomics : MCP 2012;11(12):1631-9.
2012: Ruxandra I. Molnar; Laure Villate; Hanh Witte; Iris Dinkelacker; Ralf J Sommer
Tandem-repeat patterns and mutation rates in microsatellites of the nematode model organism Pristionchus pacificus.
G3 (Bethesda, Md.) 2012;2(9):1027-34.
2012: Robbie Rae; Christian Rödelsperger; Hanh Witte; Ralf J Sommer
The importance of being regular: Caenorhabditis elegans and Pristionchus pacificus defecation mutants are hypersusceptible to bacterial pathogens.
International journal for parasitology 2012;42(8):747-53.
2012: Amit Sinha; Igor Iatsenko; Robbie Rae; Ralf J Sommer
System wide analysis of the evolution of innate immunity in the nematode model species Caenorhabditis elegans and Pristionchus pacificus.
PloS one 2012;7(9):e44255.
2012: Robbie Rae; Amit Sinha; Ralf J Sommer
Genome-wide analysis of germline signaling genes regulating longevity and innate immunity in the nematode Pristionchus pacificus.
PLoS pathogens 2012;8(8):e1002864.
2012: Ralf J Sommer
Evolution of regulatory networks: nematode vulva induction as an example of developmental systems drift.
Advances in experimental medicine and biology 2012;751():79-91.
2012: Gabriel V Markov; Ralf J Sommer
The evolution of novelty in conserved gene families.
International journal of evolutionary biology 2012;2012():490894.
2012: Amit Sinha; Ralf J Sommer; Christoph Dieterich
Divergent gene expression in the conserved dauer stage of the nematodes Pristionchus pacificus and Caenorhabditis elegans.
BMC genomics 2012;13():254.
2011: Isabella D'Anna; Ralf J Sommer
Pristionchus uniformis, should I stay or should I go? Recent host range expansion in a European nematode.
Ecology and evolution 2011;1(4):468-78.
2011: Federico D Brown; Isabella D'Anna; Ralf J Sommer
Host-finding behaviour in the nematode Pristionchus pacificus.
Proceedings. Biological sciences / The Royal Society 2011;278(1722):3260-9.
2011: Ralf J Sommer; Akira Ogawa
Hormone signaling and phenotypic plasticity in nematode development and evolution.
Current biology : CB 2011;21(18):R758-66.
2011: Melanie G Mayer; Ralf J Sommer
Natural variation in Pristionchus pacificus dauer formation reveals cross-preference rather than self-preference of nematode dauer pheromones.
Proceedings. Biological sciences / The Royal Society 2011;278(1719):2784-90.
2011: Ruxandra I. Molnar; Gabi Bartelmes; Iris Dinkelacker; Hanh Witte; Ralf J Sommer
Mutation rates and intraspecific divergence of the mitochondrial genome of Pristionchus pacificus.
Molecular biology and evolution 2011;28(8):2317-26.
2011: Xiaoyue Wang; Ralf J Sommer
Antagonism of LIN-17/Frizzled and LIN-18/Ryk in nematode vulva induction reveals evolutionary alterations in core developmental pathways.
PLoS biology 2011;9(7):e1001110.
2011: Akira Ogawa; Gilberto Bento; Gabi Bartelmes; Christoph Dieterich; Ralf J Sommer
Pristionchus pacificus daf-16 is essential for dauer formation but dispensable for mouth form dimorphism.
Development (Cambridge, England) 2011;138(7):1281-4.
2011: Robbie Rae; Ralf J Sommer
Bugs don't make worms kill.
The Journal of experimental biology 2011;214(Pt 6):1053; author reply 1053-4.
2011: Christian Rödelsperger; Ralf J Sommer
Computational archaeology of the Pristionchus pacificus genome reveals evidence of horizontal gene transfers from insects.
BMC evolutionary biology 2011;11():239.
2011: Ralf J Sommer; Adrian Streit
Comparative genetics and genomics of nematodes: genome structure, development, and lifestyle.
Annual review of genetics 2011;45():1-20.
2011: Werner E Mayer; Lisa N Schuster; Gabi Bartelmes; Christoph Dieterich; Ralf J Sommer
Horizontal gene transfer of microbial cellulases into nematode genomes is associated with functional assimilation and gene turnover.
BMC evolutionary biology 2011;11():13.
2010: Robbie Rae; Igor Iatsenko; Hahn Witte; Ralf J Sommer
A subset of naturally isolated Bacillus strains show extreme virulence to the free-living nematodes Caenorhabditis elegans and Pristionchus pacificus.
Environmental microbiology 2010;12(11):3007-21.
2010: Gilberto Bento; Akira Ogawa; Ralf J Sommer
Co-option of the hormone-signalling module dafachronic acid-DAF-12 in nematode evolution.
Nature 2010;466(7305):494-7.
2010: Andreas M Weller; Werner E Mayer; Robbie Rae; Ralf J Sommer
Quantitative assessment of the nematode fauna present on Geotrupes dung beetles reveals species-rich communities with a heterogeneous distribution.
The Journal of parasitology 2010;96(3):525-31.
2010: Nadine Borchert; Christoph Dieterich; Karsten Krug; Wolfgang Schütz; Stephan Jung; Alfred Nordheim; Ralf J Sommer; Boris Macek
Proteogenomics of Pristionchus pacificus reveals distinct proteome structure of nematode models.
Genome research 2010;20(6):837-46.
2009: Akira Ogawa; Ralf J Sommer
Developmental biology. Strategies to get arrested.
Science (New York, N.Y.) 2009;326(5955):944-5.
2009: Buqing Yi; Dan Bumbarger; Ralf J Sommer
Genetic evidence for pax-3 function in myogenesis in the nematode Pristionchus pacificus.
Evolution & development 2009;11(6):669-79.
2009: Ralf J Sommer
The future of evo-devo: model systems and evolutionary theory.
Nature reviews. Genetics 2009;10(6):416-22.
2009: Christoph Dieterich; Ralf J Sommer
How to become a parasite - lessons from the genomes of nematodes.
Trends in genetics : TIG 2009;25(5):203-9.
2009: Benjamin Schlager; Xiaoyue Wang; Georg Braach; Ralf J Sommer
Molecular cloning of a dominant roller mutant and establishment of DNA-mediated transformation in the nematode Pristionchus pacificus.
Genesis (New York, N.Y. : 2000) 2009;47(5):300-4.
2009: Akira Ogawa; Adrian Streit; Adam Antebi; Ralf J Sommer
A conserved endocrine mechanism controls the formation of dauer and infective larvae in nematodes.
Current biology : CB 2009;19(1):67-71.
2009: Werner E Mayer; Matthias Herrmann; Ralf J Sommer
Molecular phylogeny of beetle associated diplogastrid nematodes suggests host switching rather than nematode-beetle coevolution.
BMC evolutionary biology 2009;9():212.
2008: Christoph Dieterich; Sandra W Clifton; Lisa N Schuster; Asif Chinwalla; Kimberly Delehaunty; Iris Dinkelacker; Lucinda Fulton; Robert Fulton; Jennifer Godfrey; Pat Minx; Makedonka Mitreva; Waltraud Roeseler; Huiyu Tian; Hanh Witte; Shiaw-Pyng Yang; Richard K Wilson; Ralf J Sommer
The Pristionchus pacificus genome provides a unique perspective on nematode lifestyle and parasitism.
Nature genetics 2008;40(10):1193-8.
2008: David Rudel; Huiyu Tian; Ralf J Sommer
Wnt signaling in Pristionchus pacificus gonadal arm extension and the evolution of organ shape.
Proceedings of the National Academy of Sciences of the United States of America 2008;105(31):10826-31.
2008: Ralf J Sommer
Homology and the hierarchy of biological systems.
BioEssays : news and reviews in molecular, cellular and developmental biology 2008;30(7):653-8.
2008: Ray L Hong; Hanh Witte; Ralf J Sommer
Natural variation in Pristionchus pacificus insect pheromone attraction involves the protein kinase EGL-4.
Proceedings of the National Academy of Sciences of the United States of America 2008;105(22):7779-84.
2008: Robbie Rae; Metta Riebesell; Iris Dinkelacker; Qiong Wang; Matthias Herrmann; Andreas M Weller; Christoph Dieterich; Ralf J Sommer
Isolation of naturally associated bacteria of necromenic Pristionchus nematodes and fitness consequences.
The Journal of experimental biology 2008;211(Pt 12):1927-36.
2008: Ray L Hong; Ales Svatos; Matthias Herrmann; Ralf J Sommer
Species-specific recognition of beetle cues by the nematode Pristionchus maupasi.
Evolution & development 2008;10(3):273-9.
2008: Huiyu Tian; Benjamin Schlager; Hua Xiao; Ralf J Sommer
Wnt signaling induces vulva development in the nematode Pristionchus pacificus.
Current biology : CB 2008;18(2):142-6.
2008: Robbie Rae; Benjamin Schlager; Ralf J Sommer
Assessment of the olfactory response to chemicals or bacteria in pristionchus nematodes.
CSH protocols 2008;2008():pdb.prot5064.
2008: Robbie Rae; Benjamin Schlager; Ralf J Sommer
Isolation of pristionchus nematodes from beetles.
CSH protocols 2008;2008():pdb.prot5063.
2008: Robbie Rae; Benjamin Schlager; Ralf J Sommer
Pristionchus pacificus: A Genetic Model System for the Study of Evolutionary Developmental Biology and the Evolution of Complex Life-History Traits.
CSH protocols 2008;2008():pdb.emo102.
2008: Christoph Dieterich; Ralf J Sommer
A Caenorhabditis motif compendium for studying transcriptional gene regulation.
BMC genomics 2008;9():30.
2007: Matthias Herrmann; Werner E Mayer; Ray L Hong; Simone Kienle; Ryuji Minasaki; Ralf J Sommer
The nematode Pristionchus pacificus (Nematoda: Diplogastridae) is associated with the oriental beetle Exomala orientalis (Coleoptera: Scarabaeidae) in Japan.
Zoological science 2007;24(9):883-9.
2007: Buqing Yi; Ralf J Sommer
The pax-3 gene is involved in vulva formation in Pristionchus pacificus and is a target of the Hox gene lin-39.
Development (Cambridge, England) 2007;134(17):3111-9.
2007: Hans Zauner; Ralf J Sommer
Evolution of robustness in the signaling network of Pristionchus vulva development.
Proceedings of the National Academy of Sciences of the United States of America 2007;104(24):10086-91.
2007: Hans Zauner; Werner E Mayer; Matthias Herrmann; Andreas Weller; Mirja Erwig; Ralf J Sommer
Distinct patterns of genetic variation in Pristionchus pacificus and Caenorhabditis elegans, two partially selfing nematodes with cosmopolitan distribution.
Molecular ecology 2007;16(6):1267-80.
2007: Arturo Gutierrez; Ralf J Sommer
Functional diversification of the nematode mbd2/3 gene between Pristionchus pacificus and Caenorhabditis elegans.
BMC genetics 2007;8():57.
2007: Werner E Mayer; Matthias Herrmann; Ralf J Sommer
Phylogeny of the nematode genus Pristionchus and implications for biodiversity, biogeography and the evolution of hermaphroditism.
BMC evolutionary biology 2007;7():104.
2007: Christoph Dieterich; Waltraud Roeseler; Patrick Sobetzko; Ralf J Sommer
Pristionchus.org: a genome-centric database of the nematode satellite species Pristionchus pacificus.
Nucleic acids research 2007;35(Database issue):D498-502.
2006: Ray L Hong; Ralf J Sommer
Chemoattraction in Pristionchus nematodes and implications for insect recognition.
Current biology : CB 2006;16(23):2359-65.
2006: Benjamin Schlager; Waltraud Röseler; Min Zheng; Arturo Gutierrez; Ralf J Sommer
HAIRY-like transcription factors and the evolution of the nematode vulva equivalence group.
Current biology : CB 2006;16(14):1386-94.
2006: Ralf J Sommer
New inroads to development.
Development (Cambridge, England) 2006;133(13):2451-3.
2006: Ray L Hong; Ralf J Sommer
Pristionchus pacificus: a well-rounded nematode.
BioEssays : news and reviews in molecular, cellular and developmental biology 2006;28(6):651-9.
2006: Andreas Photos; Arturo Gutierrez; Ralf J Sommer
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 2006;293(1):142-53.
2006: Ralf J Sommer
Pristionchus pacificus.
WormBook : the online review of C. elegans biology 2006;():1-8.
2006: Matthias Herrmann; Werner E Mayer; Ralf J Sommer
Sex, bugs and Haldane's rule: the nematode genus Pristionchus in the United States.
Frontiers in zoology 2006;3():14.
2006: Matthias Herrmann; Werner E Mayer; Ralf J Sommer
Nematodes of the genus Pristionchus are closely associated with scarab beetles and the Colorado potato beetle in Western Europe.
Zoology (Jena, Germany) 2006;109(2):96-108.
2005: Ray L Hong; Andrea Villwock; Ralf J Sommer
Cultivation of the rhabditid Poikilolaimus oxycercus as a laboratory nematode for genetic analyses.
Journal of experimental zoology. Part A, Comparative experimental biology 2005;303(9):742-60.
2005: Min Zheng; Daniel Messerschmidt; Benno Jungblut; Ralf J Sommer
Conservation and diversification of Wnt signaling function during the evolution of nematode vulva development.
Nature genetics 2005;37(3):300-4.
2005: Ralf J Sommer
Evolution of development in nematodes related to C. elegans.
WormBook : the online review of C. elegans biology 2005;():1-17.
2005: David Rudel; Metta Riebesell; Ralf J Sommer
Gonadogenesis in Pristionchus pacificus and organ evolution: development, adult morphology and cell-cell interactions in the hermaphrodite gonad.
Developmental biology 2005;277(1):200-21.
2004: Charlotte Kenning; Isabel Kipping; Ralf J Sommer
Isolation of mutations with dumpy-like phenotypes and of collagen genes in the nematode Pristionchus pacificus.
Genesis (New York, N.Y. : 2000) 2004;40(3):176-83.
2004: André Pires-daSilva; Ralf J Sommer
Conservation of the global sex determination gene tra-1 in distantly related nematodes.
Genes & development 2004;18(10):1198-208.
2004: Arturo Gutierrez; Ralf J Sommer
Evolution of dnmt-2 and mbd-2-like genes in the free-living nematodes Pristionchus pacificus, Caenorhabditis elegans and Caenorhabditis briggsae.
Nucleic acids research 2004;32(21):6388-96.
2004: Jagan Srinivasan; Georg W Otto; Ulrich Kahlow; Robert Geisler; Ralf J Sommer
AppaDB: an AcedB database for the nematode satellite organism Pristionchus pacificus.
Nucleic acids research 2004;32(Database issue):D421-2.
2003: David Rudel; Ralf J Sommer
The evolution of developmental mechanisms.
Developmental biology 2003;264(1):15-37.
2003: Kwang-Zin Lee; Ralf J Sommer
Operon structure and trans-splicing in the nematode Pristionchus pacificus.
Molecular biology and evolution 2003;20(12):2097-103.
2003: Jagan Srinivasan; W Sinz; Taco P Jesse; L Wiggers-Perebolte; K Jansen; J Buntjer; M van der Meulen; Ralf J Sommer
An integrated physical and genetic map of the nematode Pristionchus pacificus.
Molecular genetics and genomics : MGG 2003;269(5):715-22.
2003: André Pires-daSilva; Ralf J Sommer
Finally, worm polycomb-like genes meet Hox regulation.
Developmental cell 2003;4(6):770-2.
2003: Kwang-Zin Lee; Andreas Eizinger; Ramkumar Nandakumar; Stephan C Schuster; Ralf J Sommer
Limited microsynteny between the genomes of Pristionchus pacificus and Caenorhabditis elegans.
Nucleic acids research 2003;31(10):2553-60.
2003: Arturo Gutierrez; Lars Knoch; Hanh Witte; Ralf J Sommer
Functional specificity of the nematode Hox gene mab-5.
Development (Cambridge, England) 2003;130(5):983-93.
2003: André Pires-daSilva; Ralf J Sommer
The evolution of signalling pathways in animal development.
Nature reviews. Genetics 2003;4(1):39-49.
2002: Jagan Srinivasan; Waltraud Sinz; Christa Lanz; Alexandra Brand; Ramkumar Nandakumar; Günter Raddatz; Hanh Witte; Heike Keller; Isabel Kipping; André Pires-daSilva; Taco P Jesse; Jun Millare; Michiel de Both; Stephan C Schuster; Ralf J Sommer
A bacterial artificial chromosome-based genetic linkage map of the nematode Pristionchus pacificus.
Genetics 2002;162(1):129-34.
2001: Ralf J Sommer
As good as they get: cells in nematode vulva development and evolution.
Current opinion in cell biology 2001;13(6):715-20.
2001: Benno Jungblut; André Pires-daSilva; Ralf J Sommer
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 (Cambridge, England) 2001;128(18):3395-404.
2001: K Grandien; Ralf J Sommer
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 2001;15(16):2161-72.
2001: Jagan Srinivasan; André Pires-daSilva; Arturo Gutierrez; Min Zheng; Benno Jungblut; Hanh Witte; I Schlak; Ralf J Sommer
Microevolutionary analysis of the nematode genus Pristionchus suggests a recent evolution of redundant developmental mechanisms during vulva formation.
Evolution & development 2001;3(4):229-40.
2001: Benno Jungblut; Ralf J Sommer
The nematode even-skipped homolog vab-7 regulates gonad and vulva position in Pristionchus pacificus.
Development (Cambridge, England) 2001;128(2):253-61.
2000: Ralf J Sommer
Comparative genetics: a third model nematode species.
Current biology : CB 2000;10(23):R879-81.
2000: Ralf J Sommer
Evolution of nematode development.
Current opinion in genetics & development 2000;10(4):443-8.
2000: Benno Jungblut; Ralf J Sommer
Novel cell-cell interactions during vulva development in Pristionchus pacificus.
Development (Cambridge, England) 2000;127(15):3295-303.
1999: C B Sigrist; Ralf J Sommer
Vulva formation in Pristionchus pacificus relies on continuous gonadal induction.
Development genes and evolution 1999;209(8):451-9.
1999: Ralf J Sommer
Convergence and the interplay of evolution and development.
Evolution & development 1999;1(1):8-10.
1999: Andreas Eizinger; Benno Jungblut; Ralf J Sommer
Evolutionary change in the functional specificity of genes.
Trends in genetics : TIG 1999;15(5):197-202.
1998: Ralf J Sommer; Andreas Eizinger; Kwang-Zin Lee; Benno Jungblut; A Bubeck; I Schlak
The Pristionchus HOX gene Ppa-lin-39 inhibits programmed cell death to specify the vulva equivalence group and is not required during vulval induction.
Development (Cambridge, England) 1998;125(19):3865-73.
1998: Benno Jungblut; Ralf J Sommer
The Pristionchus pacificus mab-5 gene is involved in the regulation of ventral epidermal cell fates.
Current biology : CB 1998;8(13):775-8.
1997: Andreas Eizinger; Ralf J Sommer
The homeotic gene lin-39 and the evolution of nematode epidermal cell fates.
Science (New York, N.Y.) 1997;278(5337):452-5.
1997: Ralf J Sommer
Evolution and development--the nematode vulva as a case study.
BioEssays : news and reviews in molecular, cellular and developmental biology 1997;19(3):225-31.
1996: Ralf J Sommer; P W Sternberg
Evolution of nematode vulval fate patterning.
Developmental biology 1996;173(2):396-407.