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  1. Visual acuity, the ability of the visual system to distinguish two separate objects at a given angular distance, is influenced by the optical and neuronal properties of the visual system. Although many factors...

    Authors: Marion F Haug, Oliver Biehlmaier, Kaspar P Mueller and Stephan CF Neuhauss

    Citation: Frontiers in Zoology 2010 7:8

    Content type: Research

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  3. The phylogenetic status of the aplacophoran mollusk taxon Solenogastres (Neomeniomorpha) is controversially discussed. Some authors propose the clade to represent the most basal branch within Mollusca, while o...

    Authors: Christiane Todt and Andreas Wanninger

    Citation: Frontiers in Zoology 2010 7:6

    Content type: Research

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  5. With about 120 colour morphs currently assigned to six nominal species, the genus Tropheus is an ideal model to study evolutionary divergence of populations in allopatry. The morphology of Tropheus has been descr...

    Authors: Juergen Herler, Michaela Kerschbaumer, Philipp Mitteroecker, Lisbeth Postl and Christian Sturmbauer

    Citation: Frontiers in Zoology 2010 7:4

    Content type: Research

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  6. The foraging behavior of blood-sucking arthropods is the defining biological event shaping the transmission cycle of vector-borne parasites. It is also a phenomenon that pertains to the realm of community ecol...

    Authors: Luis F Chaves, Laura C Harrington, Carolyn L Keogh, Andy M Nguyen and Uriel D Kitron

    Citation: Frontiers in Zoology 2010 7:3

    Content type: Research

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  7. The insecticides dichlorvos, paradichlorobenzene and naphthalene have been commonly used to eradicate pest insects from natural history collections. However, it is not known how these chemicals affect the DNA ...

    Authors: Marianne Espeland, Martin Irestedt, Kjell Arne Johanson, Monika Åkerlund, Jan-Erik Bergh and Mari Källersjö

    Citation: Frontiers in Zoology 2010 7:2

    Content type: Methodology

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  8. Parental care often increases offspring survival, but is costly to the parents. A trade-off between the cost and benefit of care is expected, so that when care provisioning by both parents is essential for the...

    Authors: Monif AlRashidi, András Kosztolányi, Clemens Küpper, Innes C Cuthill, Salim Javed and Tamás Székely

    Citation: Frontiers in Zoology 2010 7:1

    Content type: Research

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  9. The Recombination Activating Proteins, RAG1 and RAG2, play a crucial role in the immune response in vertebrates. Among the nuclear markers currently used for phylogenetic purposes, Rag1 has especially enjoyed eno...

    Authors: Ylenia Chiari, Arie van der Meijden, Ole Madsen, Miguel Vences and Axel Meyer

    Citation: Frontiers in Zoology 2009 6:32

    Content type: Research

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  11. This study reports progress in assembling a DNA barcode reference library for Ephemeroptera, Plecoptera, and Trichoptera ("EPTs") from a Canadian subarctic site, which is the focus of a comprehensive biodivers...

    Authors: Xin Zhou, Sarah J Adamowicz, Luke M Jacobus, R Edward DeWalt and Paul DN Hebert

    Citation: Frontiers in Zoology 2009 6:30

    Content type: Research

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  12. The Palearctic region supports relatively few avian species, yet recent molecular studies have revealed that cryptic lineages likely still persist unrecognized. A broad survey of cytochrome c oxidase I (COI) sequ...

    Authors: Kevin CR Kerr, Sharon M Birks, Mikhail V Kalyakin, Yaroslav A Red'kin, Eugeny A Koblik and Paul DN Hebert

    Citation: Frontiers in Zoology 2009 6:29

    Content type: Research

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  13. Among metazoans, retention of functional diet-derived chloroplasts (kleptoplasty) is known only from the sea slug taxon Sacoglossa (Gastropoda: Opisthobranchia). Intracellular maintenance of plastids in the sl...

    Authors: Katharina Händeler, Yvonne P Grzymbowski, Patrick J Krug and Heike Wägele

    Citation: Frontiers in Zoology 2009 6:28

    Content type: Research

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  15. The invasive Chondrostoma nasus nasus has colonized part of the distribution area of the protected endemic species Chondrostoma toxostoma toxostoma. This hybrid zone is a complex system where multiple effects suc...

    Authors: Emmanuel Corse, Caroline Costedoat, Nicolas Pech, Rémi Chappaz, Jonathan Grey and André Gilles

    Citation: Frontiers in Zoology 2009 6:26

    Content type: Research

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  16. Zebra finches can be trained to use the geomagnetic field as a directional cue for short distance orientation. The physical mechanisms underlying the primary processes of magnetoreception are, however, largely...

    Authors: Nina Keary, Tim Ruploh, Joe Voss, Peter Thalau, Roswitha Wiltschko, Wolfgang Wiltschko and Hans-Joachim Bischof

    Citation: Frontiers in Zoology 2009 6:25

    Content type: Research

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  18. When mating effort (e.g. via ejaculates) is high, males are expected to strategically allocate their resources depending on the expected fitness gains from a given mating opportunity. One mechanism to achieve ...

    Authors: Ines K Häderer, Johanna Werminghausen, Nico K Michiels, Nadine Timmermeyer and Nils Anthes

    Citation: Frontiers in Zoology 2009 6:23

    Content type: Research

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  20. Electric fish navigate and explore their dark and turbid environment with a specialised electric sense. This active electrolocation involves the generation and perception of an electric signal and fish have pr...

    Authors: Jacob Engelmann, Sabine Nöbel, Timo Röver and Gerhard von der Emde

    Citation: Frontiers in Zoology 2009 6:21

    Content type: Research

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  21. Mesopsammic acochlidians are small, and organ complexity may be strongly reduced (regressive evolution by progenesis), especially in microhedylacean species. The marine interstitial hedylopsacean Pseudunela cornu...

    Authors: Timea P Neusser, Martin Heß and Michael Schrödl

    Citation: Frontiers in Zoology 2009 6:20

    Content type: Research

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  22. Primary agametic-asexual reproduction mechanisms such as budding and fission are present in all non-bilaterian and many bilaterian animal taxa and are likely to be metazoan ground pattern characters. Cnidarian...

    Authors: Jörg U Hammel, Julia Herzen, Felix Beckmann and Michael Nickel

    Citation: Frontiers in Zoology 2009 6:19

    Content type: Research

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  24. Multidirectional interactions in social networks can have a profound effect on mate choice behavior; e.g., Poecilia mexicana males show weaker expression of mating preferences when being observed by a rival. This...

    Authors: Madlen Ziege, Kristin Mahlow, Carmen Hennige-Schulz, Claudia Kronmarck, Ralph Tiedemann, Bruno Streit and Martin Plath

    Citation: Frontiers in Zoology 2009 6:17

    Content type: Research

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  25. In order to understand the role of herbivores in trophic webs, it is essential to know what they feed on. Diet analysis is, however, a challenge in many small herbivores with a secretive life style. In this pa...

    Authors: Eeva M Soininen, Alice Valentini, Eric Coissac, Christian Miquel, Ludovic Gielly, Christian Brochmann, Anne K Brysting, Jørn H Sønstebø, Rolf A Ims, Nigel G Yoccoz and Pierre Taberlet

    Citation: Frontiers in Zoology 2009 6:16

    Content type: Research

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  26. 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

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  28. 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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  29. 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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  30. 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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  31. 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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  33. 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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  34. 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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  35. 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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  37. 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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  38. 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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  39. 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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  40. 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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  41. 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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  42. 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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  43. 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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  46. 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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  49. 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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  50. 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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  • ISSN: 1742-9994 (electronic)

Frontiers in Zoology

ISSN: 1742-9994