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Martin Helmkampf

Explore the profile of Martin Helmkampf including associated specialties, affiliations and a list of published articles. Areas
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Articles 27
Citations 943
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Recent Articles
21.
Smith C, Smith C, Robertson H, Helmkampf M, Zimin A, Yandell M, et al.
Proc Natl Acad Sci U S A . 2011 Feb; 108(14):5667-72. PMID: 21282651
We report the draft genome sequence of the red harvester ant, Pogonomyrmex barbatus. The genome was sequenced using 454 pyrosequencing, and the current assembly and annotation were completed in less...
22.
Smith C, Zimin A, Holt C, Abouheif E, Benton R, Cash E, et al.
Proc Natl Acad Sci U S A . 2011 Feb; 108(14):5673-8. PMID: 21282631
Ants are some of the most abundant and familiar animals on Earth, and they play vital roles in most terrestrial ecosystems. Although all ants are eusocial, and display a variety...
23.
Nesnidal M, Helmkampf M, Bruchhaus I, Hausdorf B
Mol Biol Evol . 2010 Apr; 27(9):2095-104. PMID: 20382658
Compositional heterogeneity of sequences between taxa may cause systematic error in phylogenetic inference. The potential influence of such bias might be mitigated by strategies to reduce compositional heterogeneity in the...
24.
Hausdorf B, Helmkampf M, Nesnidal M, Bruchhaus I
Mol Phylogenet Evol . 2010 Jan; 55(3):1121-7. PMID: 20045074
We produced two new EST datasets of so far uncovered clades of ectoprocts to investigate the phylogenetic relationships within the lophophorate lineages, Ectoprocta, Brachiopoda and Phoronida. Maximum-likelihood analyses based on...
25.
Helmkampf M, Bruchhaus I, Hausdorf B
Proc Biol Sci . 2008 May; 275(1645):1927-33. PMID: 18495619
Based on embryological and morphological evidence, Lophophorata was long considered to be the sister or paraphyletic stem group of Deuterostomia. By contrast, molecular data have consistently indicated that the three...
26.
Helmkampf M, Bruchhaus I, Hausdorf B
Mol Phylogenet Evol . 2007 Oct; 46(1):206-14. PMID: 17937996
Maximum likelihood and Bayesian inference analyses of seven concatenated fragments of nuclear-encoded housekeeping genes indicate that Lophotrochozoa is monophyletic, i.e., the lophophorate groups Bryozoa, Brachiopoda and Phoronida are more closely...
27.
Hausdorf B, Helmkampf M, Meyer A, Witek A, Herlyn H, Bruchhaus I, et al.
Mol Biol Evol . 2007 Oct; 24(12):2723-9. PMID: 17921486
Phylogenetic analyses based on 79 ribosomal proteins of 38 metazoans, partly derived from 6 new expressed sequence tag projects for Ectoprocta, Entoprocta, Sipuncula, Annelida, and Acanthocephala, indicate the monophyly of...