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  1. Free-living flatworms ("Turbellaria") are appropriate model organisms to gain better insight into the role of stem cells in ageing and rejuvenation. Ageing research in flatworms is, however, still scarce. This...

    Authors: Stijn Mouton, Maxime Willems, Patricia Back, Bart P Braeckman and Gaetan Borgonie

    Citation: Frontiers in Zoology 2009 6:15

    Content type: Short report

    Published on:

  3. Although some mechanisms of habitat adaptation of conspecific populations have been recently elucidated, the evolution of female preference has rarely been addressed as a force driving habitat adaptation in na...

    Authors: Barbara A Caspers, Claudia Junge, Markus Weitere and Sebastian Steinfartz

    Citation: Frontiers in Zoology 2009 6:13

    Content type: Research

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  4. Molecular phylogenies are being published increasingly and many biologists rely on the most recent topologies. However, different phylogenetic trees often contain conflicting results and contradict significant...

    Authors: J Wolfgang Wägele, Harald Letsch, Annette Klussmann-Kolb, Christoph Mayer, Bernhard Misof and Heike Wägele

    Citation: Frontiers in Zoology 2009 6:12

    Content type: Research

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  5. Echinoderms and chordates belong to the same monophyletic taxon, the Deuterostomia. In spite of significant differences in body plan organization, the two phyla may share more common traits than was thought pr...

    Authors: Vladimir S Mashanov, Olga R Zueva, Thomas Heinzeller, Beate Aschauer, Wilfried W Naumann, Jesus M Grondona, Manuel Cifuentes and Jose E Garcia-Arraras

    Citation: Frontiers in Zoology 2009 6:11

    Content type: Research

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  6. The axial complex of echinoderms (Echinodermata) is composed of various primary and secondary body cavities that interact with each other. In sea urchins (Echinoidea), structural differences of the axial compl...

    Authors: Alexander Ziegler, Cornelius Faber and Thomas Bartolomaeus

    Citation: Frontiers in Zoology 2009 6:10

    Content type: Research

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  8. Despite their increasing evolutionary importance, basic knowledge about the priapulid worms remains limited. In particular, priapulid development has only been partially documented. Following previous descript...

    Authors: Ralf Janssen, Sofia A Wennberg and Graham E Budd

    Citation: Frontiers in Zoology 2009 6:8

    Content type: Short report

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  9. Poly- and oligophagous insects are able to feed on various host plants with a wide range of defense strategies. However, diverse food plants are also inhabited by microbiota differing in quality and quantity, ...

    Authors: Dalial Freitak, David G Heckel and Heiko Vogel

    Citation: Frontiers in Zoology 2009 6:7

    Content type: Research

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  10. The European grayling (Thymallus thymallus) is a salmonid fish native to Europe, with a distribution ranging from England and France to the Ural Mountains of north-western Russia. The majority of grayling populat...

    Authors: Akarapong Swatdipong, Anti Vasemägi, Mikko T Koskinen, Jorma Piironen and Craig R Primmer

    Citation: Frontiers in Zoology 2009 6:6

    Content type: Research

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  12. Menopause is a seemingly maladaptive life-history trait that is found in many long-lived mammals. There are two competing evolutionary hypotheses for this phenomenon; in the adaptive view of menopause, the ces...

    Authors: Eric J Ward, Kim Parsons, Elizabeth E Holmes, Ken C Balcomb III and John KB Ford

    Citation: Frontiers in Zoology 2009 6:4

    Content type: Research

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  13. Despite significant methodological progress, Brachiopoda remains one of the lophotrochozoan phyla for which no recent ontogenetic data employing modern methodologies such as fluorescence labelling and confocal...

    Authors: Andreas Altenburger and Andreas Wanninger

    Citation: Frontiers in Zoology 2009 6:3

    Content type: Research

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  14. Sympatric corvid species have evolved differences in nesting, habitat choice, diet and foraging. Differences in the frequency with which corvid species use their repertoire of feeding techniques is expected to...

    Authors: Christoph Kulemeyer, Kolja Asbahr, Philipp Gunz, Sylke Frahnert and Franz Bairlein

    Citation: Frontiers in Zoology 2009 6:2

    Content type: Research

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  15. We compared here the suitability and efficacy of traditional morphological approach and DNA barcoding to distinguish filarioid nematodes species (Nematoda, Spirurida). A reliable and rapid taxonomic identifica...

    Authors: Emanuele Ferri, Michela Barbuto, Odile Bain, Andrea Galimberti, Shigehiko Uni, Ricardo Guerrero, Hubert Ferté, Claudio Bandi, Coralie Martin and Maurizio Casiraghi

    Citation: Frontiers in Zoology 2009 6:1

    Content type: Research

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  16. The fall armyworm Spodoptera frugiperda (Lepidoptera; Noctuidae) consists of two distinct strains with different host plant preferences for corn and rice. To assess whether pheromonal-mediated behavioral isolatio...

    Authors: Astrid T Groot, Melanie Marr, Gerhard Schöfl, Sybille Lorenz, Ales Svatos and David G Heckel

    Citation: Frontiers in Zoology 2008 5:20

    Content type: Research

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  17. The Falkland Islands and Patagonia are traditionally assigned to the Magellan Biogeographic Province. Most marine species in Falkland waters are also reported from southern Patagonia. It remains unclear if rel...

    Authors: Florian Leese, Anna Kop, Johann-Wolfgang Wägele and Christoph Held

    Citation: Frontiers in Zoology 2008 5:19

    Content type: Research

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  18. The extraction of genetic information from preserved tissue samples or museum specimens is a fundamental component of many fields of research, including the Barcode of Life initiative, forensic investigations,...

    Authors: Juergen Zimmermann, Mehrdad Hajibabaei, David C Blackburn, James Hanken, Elizabeth Cantin, Janos Posfai and Thomas C Evans Jr

    Citation: Frontiers in Zoology 2008 5:18

    Content type: Research

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  21. Ants and termites are the most abundant animals on earth. Their ecological success is attributed to their social life. They live in colonies consisting of few reproducing individuals, while the large majority ...

    Authors: Judith Korb

    Citation: Frontiers in Zoology 2008 5:15

    Content type: Review

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  24. Identification of DNA sequence diversity is a powerful means for assessing the species present in environmental samples. The most common molecular strategies for estimating taxonomic composition depend upon PC...

    Authors: Hege Vestheim and Simon N Jarman

    Citation: Frontiers in Zoology 2008 5:12

    Content type: Methodology

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  25. Eicosanoids are biologically active, oxygenated metabolites of three C20 polyunsaturated fatty acids. They act as signalling molecules within the autocrine or paracrine system in both vertebrates and invertebr...

    Authors: Lars-Henrik Heckmann, Richard M Sibly, Martijn JTN Timmermans and Amanda Callaghan

    Citation: Frontiers in Zoology 2008 5:11

    Content type: Research

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  26. In the Lepidoptera it was historically believed that adult butterflies rely primarily on larval-derived nutrients for reproduction and somatic maintenance. However, recent studies highlight the complex interac...

    Authors: Thorin L Geister, Matthias W Lorenz, Klaus H Hoffmann and Klaus Fischer

    Citation: Frontiers in Zoology 2008 5:10

    Content type: Research

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  29. In adult male Marcusenius pongolensis the duration of their Electric Organ Discharge (EOD) pulses increases with body size over lifetime (267 to 818 μs, field-measured). Spawning males have been observed to exhib...

    Authors: Susanne Hanika and Bernd Kramer

    Citation: Frontiers in Zoology 2008 5:7

    Content type: Research

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  30. The planarian Schmidtea mediterranea and the cnidarian Hydra vulgaris have emerged as valuable model organisms in regeneration and stem cell research because of their prominent ability to regenerate a complete or...

    Authors: Boran Altincicek and Andreas Vilcinskas

    Citation: Frontiers in Zoology 2008 5:6

    Content type: Research

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  31. The development of specialized appendages involved in sperm transfer in the males of julid millipedes is an extreme case of specialized, complex structures differentiating in a very advanced phase of post-embr...

    Authors: Leandro Drago, Giuseppe Fusco and Alessandro Minelli

    Citation: Frontiers in Zoology 2008 5:5

    Content type: Hypothesis

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  33. The evolution of reproductive traits, such as hybrid incompatibility (postzygotic isolation) and species recognition (prezygotic isolation), have shown their key role in speciation. Theoretical modeling has re...

    Authors: Jasminca Behrmann-Godel and Gabriele Gerlach

    Citation: Frontiers in Zoology 2008 5:3

    Content type: Research

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  34. Host-parasite interactions are among the most important biotic relationships. Host species should evolve mechanisms to detect their enemies and employ appropriate counterstrategies. Parasites, in turn, should ...

    Authors: Erhard Strohm, Johannes Kroiss, Gudrun Herzner, Claudia Laurien-Kehnen, Wilhelm Boland, Peter Schreier and Thomas Schmitt

    Citation: Frontiers in Zoology 2008 5:2

    Content type: Research

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  35. The standard textbook information that annelid musculature consists of oligochaete-like outer circular and inner longitudinal muscle-layers has recently been called into question by observations of a variety o...

    Authors: Annette Bergter, John L Brubacher and Achim Paululat

    Citation: Frontiers in Zoology 2008 5:1

    Content type: Research

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  36. Recent genome sequence analysis in the red flour beetle Tribolium castaneum indicated that this highly crepuscular animal encodes only two single opsin paralogs: a UV-opsin and a long wavelength (LW)-opsin; howev...

    Authors: Magdalena Jackowska, Riyue Bao, Zhenyi Liu, Elizabeth C McDonald, Tiffany A Cook and Markus Friedrich

    Citation: Frontiers in Zoology 2007 4:24

    Content type: Research

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  37. Owls are known for their silent flight. Even though there is some information available on the mechanisms that lead to a reduction of noise emission, neither the morphological basis, nor the biological mechani...

    Authors: Thomas Bachmann, Stephan Klän, Werner Baumgartner, Michael Klaas, Wolfgang Schröder and Hermann Wagner

    Citation: Frontiers in Zoology 2007 4:23

    Content type: Research

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  38. The retention of ancestral juvenile characters by adult stages of descendants is called paedomorphosis. However, this process can mislead phylogenetic analyses based on morphological data, even in combination ...

    Authors: Torsten H Struck

    Citation: Frontiers in Zoology 2007 4:22

    Content type: Research

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  39. Marine cleaning interactions in which cleaner fish or shrimps remove parasites from visiting 'client' reef fish are a textbook example of mutualism. However, there is yet no conclusive evidence that cleaning o...

    Authors: Redouan Bshary, Rui F Oliveira, Tânia SF Oliveira and Adelino VM Canário

    Citation: Frontiers in Zoology 2007 4:21

    Content type: Research

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  40. Accurate formal taxonomic designations are thought to be of critical importance for the conservation of endangered taxa. The Galápagos sea lion (GSL), being appreciated as a key element of the Galápagos marine...

    Authors: Jochen BW Wolf, Diethard Tautz and Fritz Trillmich

    Citation: Frontiers in Zoology 2007 4:20

    Content type: Research

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  41. Understanding the demographic processes underlying population dynamics is a central theme in ecology. Populations decline if losses from the population (i.e., mortality and emigration) exceed gains (i.e., recr...

    Authors: Benedikt R Schmidt, Michael Schaub and Sebastian Steinfartz

    Citation: Frontiers in Zoology 2007 4:19

    Content type: Research

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  43. In simultaneous hermaphrodites with copulation and internal fertilization it is often unclear whether reciprocal sperm exchange results from the unconditional willingness of both partners to donate and receive...

    Authors: Valerie Schmitt, Nils Anthes and Nico K Michiels

    Citation: Frontiers in Zoology 2007 4:17

    Content type: Research

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  44. Vertebrate epithelial cells typically express a specific set of keratins. In teleosts, keratins are also present in a variety of mesenchymal cells, which usually express vimentin. Significantly, our previous s...

    Authors: Michael Schaffeld, Mark Haberkamp, Sonja Schätzlein, Sebastian Neumann and Christian Hunzinger

    Citation: Frontiers in Zoology 2007 4:16

    Content type: Research

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  45. The clouded leopard (Neofelis nebulosa) is one of the least known cat species and depletion of their forested habitats puts it under heavy pressure. Recently reclassification of Bornean clouded leopards (N. nebul...

    Authors: Andreas Wilting, Valerie A Buckley-Beason, Heike Feldhaar, Jürgen Gadau, Stephen J O'Brien and K Eduard Linsenmair

    Citation: Frontiers in Zoology 2007 4:15

    Content type: Research

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  46. The Chaetognatha (arrow worms) are a group of marine carnivores whose phylogenetic relationships are still vigorously debated. Molecular studies have as yet failed to come up with a stable hypothesis on their ...

    Authors: Steffen Harzsch and Carsten HG Müller

    Citation: Frontiers in Zoology 2007 4:14

    Content type: Research

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  47. Unisexuality, or all female reproduction, is rare among vertebrates. Studying these exceptional organisms may give useful information with respect to the evolution and maintenance of sexual reproduction. Poecilia...

    Authors: Susanne Schories, Kathrin P Lampert, Dunja K Lamatsch, Francisco J García de León and Manfred Schartl

    Citation: Frontiers in Zoology 2007 4:13

    Content type: Research

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  50. Hox genes are expressed in specific domains along the anterior posterior body axis and define the regional identity. In most animals these genes are organized in a single cluster in the genome and the order of...

    Authors: Evelyn E Schwager, Michael Schoppmeier, Matthias Pechmann and Wim GM Damen

    Citation: Frontiers in Zoology 2007 4:10

    Content type: Research

    Published on:

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  • ISSN: 1742-9994 (electronic)

Frontiers in Zoology

ISSN: 1742-9994