Brian Lund Fredensborg

Research output

Research output per year 2003 2005 2008 2015 2018 2020

• 46 Journal article
• 1 Conference abstract for conference
• 1 Poster

Research output per year

Research output per year

Search results

• 2020

  Differences in life stage sensitivity of the beetle Tenebrio molitor towards a pyrethroid insecticide explained by stage-specific variations in uptake, elimination and activity of detoxifying enzymes

  Pedersen, K. E., Pedersen, N. N., Meyling, N. V., Fredensborg, B. L. & Cedergreen, N., Jan 2020, In: Pesticide Biochemistry and Physiology.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Tenebrio 100%
  • Pupa 87%
  • Coleoptera 86%
  • Pyrethroid Insecticide 84%
  • Pyrethrins 78%
  2 Citations (Scopus)

• Timing of sub-lethal insecticide exposure determines parasite establishment success in an insect-helminth model

  Dhakal, S., Meyling, N. V., Pedersen, K. E., Cedergreen, N. & Fredensborg, B. L., 1 Jan 2020, In: Parasitology.

  Research output: Contribution to journal › Journal article › Research › peer-review

  1 Citation (Scopus)
• 2019

  Quantification of the activity of detoxifying enzymes in terrestrial invertebrates: Optimization, evaluation and use of in vitro and ex vivo methods

  Pedersen, K. E., Fredensborg, B. L., Jensen, A. B. & Cedergreen, N., May 2019, In: Methods in Ecology and Evolution. 10, 5, p. 726-734

  Research output: Contribution to journal › Journal article › Research › peer-review

  • invertebrate 100%
  • invertebrates 96%
  • enzyme 92%
  • enzyme activity 76%
  • evaluation 55%
  2 Citations (Scopus)

• Temperature-dependent germination, growth and co-infection of Beauveria spp. isolates from different climatic regions

  Seid, A. M., Fredensborg, B. L., Steinwender, B. M. & Meyling, NV., 4 May 2019, In: Biocontrol Science and Technology. 29, 5, p. 411-426 16 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Beauveria 100%
  • mixed infection 72%
  • germination 48%
  • Arctic region 42%
  • temperature 27%
  7 Citations (Scopus)
• 2018

  Ancient DNA from latrines in Northern Europe and the Middle East (500 BC–1700 AD) reveals past parasites and diet

  Søe, M. J., Nejsum, P., Seersholm, F. V., Fredensborg, B. L., Habraken, R., Haase, K., Hald, M. M., Simonsen, R., Højlund, F., Blanke, L., Merkyte, I., Willerslev, E. & Kapel, C., Apr 2018, In: PLOS ONE. 13, 4, 17 p., e0195481.

  Research output: Contribution to journal › Journal article › Research › peer-review

  26 Citations (Scopus)

  97 Downloads (Pure)

• Ant (Hymenoptera: Formicidae) parasitism by Neoneurinae wasps (Hymenoptera: Braconidae) in Denmark

  Gasque, S. N., Poinar, G. O. & Fredensborg, B. L., 2018, In: Entomologiske Meddelelser. 86, 1-2, p. 27-30

  Research output: Contribution to journal › Journal article › Research › peer-review

• Coastal ecosystems on a tipping point: global warming and parasitism combine to alter community structure and function

  N., M. K., M., S. M., Robert, P. & Fredensborg, B. L., Sept 2018, In: Global Change Biology. 24, 9, p. 4340-4356 17 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • coastal ecosystems 100%
  • parasitism 94%
  • Ecosystem 85%
  • amphipod 81%
  • coastal ecosystem 78%
  13 Citations (Scopus)

  50 Downloads (Pure)

• Establishment Success of the Beetle Tapeworm Hymenolepis diminuta Depends on Dose and Host Body Condition

  Dhakal, S., Buss, S. M., Cassidy, E., Meyling, N. V. & Fredensborg, B. L., Mar 2018, In: Insects. 9, 1, p. 1-11 11 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Hymenolepis diminuta 100%
  • tapeworms 86%
  • body condition 67%
  • cysticercoids 56%
  • Coleoptera 51%
  2 Citations (Scopus)

  78 Downloads (Pure)

• Implications of sequence and timing of exposure for synergy between the pyrethroid insecticide alpha-cypermethrin and the entomopathogenic fungus Beauveria bassiana

  Meyling, N. V., Arthur, S., Pedersen, K. E., Dhakal, S., Cedergreen, N. & Fredensborg, B. L., 2018, In: Pest Management Science. 74, 11, p. 2488-2495 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • pyrethroid insecticides 100%
  • cypermethrin 93%
  • Beauveria bassiana 91%
  • entomopathogenic fungi 90%
  • insecticides 32%
  8 Citations (Scopus)
• 2017

  Temporal variation in the abundance and timing of daily activity of chagas disease vector Triatoma gerstaeckeri (Stal, 1859) in a natural habitat in the lower Rio Grande Valley, South Texas

  Flores, A., Vitek, C., Feria-Arroyo, T. P. & Fredensborg, B. L., Oct 2017, In: Journal of Parasitology. 103, 5, p. 574-578 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Chagas disease 100%
  • Triatoma 98%
  • disease vector 90%
  • Disease Vectors 87%
  • disease vectors 73%
  2 Citations (Scopus)

• Viability of Dicrocoelium dendriticum metacercariae in Formica polyctena ants after exposure to different treatments

  Jensen, A. B., Malagocka, J., Eilenberg, J. & Fredensborg, B. L., 2017, In: Journal of Insects as Food and Feed. 3, 1, p. 15-20 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Dicrocoelium 100%
  • Formica polyctena 86%
  • Dicrocoelium dendriticum 84%
  • Metacercariae 84%
  • Ants 74%
• 2016

  Relative effects of temperature, light, and humidity on clinging behavior of metacercariae-infected ants

  Botnevik, C. F., Malagocka, J., Jensen, A. B. & Fredensborg, B. L., Oct 2016, In: Journal of Parasitology. 102, 5, p. 495-500 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Metacercariae 100%
  • Ants 88%
  • metacercariae 77%
  • ant 75%
  • Humidity 74%
  10 Citations (Scopus)
• 2015

  An insect-tapeworm model as a proxy for anthelminthic effects in the mammalian host

  Woolsey, I. D., Fredensborg, B. L., Jensen, P. M., Kapel, C. M. O. & Meyling, N. V., 26 Jul 2015, In: Parasitology Research. 114, 7, p. 2777-2780 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Hymenolepis diminuta 100%
  • Cestoda 81%
  • tapeworms 73%
  • Insecta 62%
  • Proxy 62%
  7 Citations (Scopus)

  90 Downloads (Pure)

• DNA typing of ancient parasite eggs from environmental samples identifies human and animal worm infections in viking-age settlement

  Søe, M. J., Nejsum, P., Fredensborg, B. L. & Kapel, C. M. O., 2015, In: Journal of Parasitology. 101, 1, p. 57-63 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • DNA Fingerprinting 100%
  • Ascaris 93%
  • homology 92%
  • DNA fingerprinting 87%
  • Eggs 86%
  26 Citations (Scopus)

• Efficacy of condensed tannins against larval Hymenolepis diminuta (Cestoda) in vitro and in the intermediate host Tenebrio molitor (Coleoptera) in vivo

  Dhakal, S., Meyling, N. V., Williams, A. R., Mueller-Harvey, I., Fryganas, C., Kapel, C. M. O. & Fredensborg, B. L., 15 Jan 2015, In: Veterinary Parasitology. 207, 1-2, p. 49-55 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Tenebrio 100%
  • Hymenolepis diminuta 95%
  • Corylus 92%
  • Coleoptera 86%
  • Proanthocyanidins 81%
  12 Citations (Scopus)

  1730 Downloads (Pure)

• Experimental test of host specificity in a behaviour-modifying trematode

  Hernandez, R. N. & Fredensborg, B. L., 23 Sept 2015, In: Parasitology. 142, 13, p. 1631-1639 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Host Specificity 100%
  • host specificity 88%
  • Trematoda 86%
  • infection 42%
  • Infections 38%
  2 Citations (Scopus)

• Foodborne parasites from wildlife: how wild are they?

  Kapel, C. M. O. & Fredensborg, B. L., 2015, In: Trends in Parasitology. 31, 4, p. 125-127 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • wildlife 100%
  • Parasites 85%
  • parasites 70%
  • wild foods 51%
  • Food 48%
  6 Citations (Scopus)

• Predictors of Echinococcus multilocularis prevalence in definitive and intermediate hosts: a meta-analysis approach

  Takeuchi-Storm, N., Woolsey, I. D., Jensen, P. M., Fredensborg, B. L., Pipper, C. B. & Kapel, C. M. O., 1 Jun 2015, In: Journal of Parasitology. 101, 3, p. 297-303 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • echinococcosis 100%
  • definitive host 94%
  • Echinococcus multilocularis 92%
  • intermediate host 83%
  • definitive hosts 73%
  4 Citations (Scopus)
• 2014

  DNA typing of ancient parasite eggs from environmental samples identifies human and animal worm infections in Viking-age settlement

  Søe, M. J., Fredensborg, B. L., Nejsum, P. & Kapel, C. M. O., 29 Aug 2014.

  Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

• Parasites from the Past

  Søe, M. J., Fredensborg, B. L., Nejsum, P. & Kapel, C. M. O., 28 Mar 2014.

  Research output: Contribution to conference › Poster › Research › peer-review

• Predictors of Host Specificity among Behavior-Manipulating Parasites

  Fredensborg, B. L., 1 Jul 2014, In: Integrative and Comparative Biology. 54, 2, p. 149-158 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  6 Citations (Scopus)
• 2013

  Acanthoparyphium sp. and other metazoan symbionts of the American oyster, Crassostrea virginica from South Texas

  Fredensborg, B. L., Ramirez, J. J. & Partida, L., Dec 2013, In: Journal of Parasitology. 99, 6, p. 1129-1132 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Crassostrea 100%
  • Ostreidae 91%
  • Crassostrea virginica 85%
  • symbiont 76%
  • metazoan 76%
  2 Citations (Scopus)

  9 Downloads (Pure)
• 2012

  Disentangling phylogenetic constraints from selective forces in the evolution of trematode transmission stages

  Koehler, A., Brown, B., Thieltges, D. W., Poulin, R. & Fredensborg, B. L., Nov 2012, In: Evolutionary Ecology. 26

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Trematoda 100%
  • phylogenetics 77%
  • phylogeny 52%
  • Chordata 47%
  • tail 46%
  23 Citations (Scopus)

  437 Downloads (Pure)

• Increased surfacing behavior in longnose killifish infected by brain-encysting trematode

  Fredensborg, B. L. & Longoria, A. N., Oct 2012, In: Journal of Parasitology. 98, 5, p. 899-903 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Fundulidae 100%
  • Trematoda 65%
  • parasite 61%
  • Fishes 56%
  • brain 55%
  14 Citations (Scopus)

  438 Downloads (Pure)
• 2011

  Food webs including parasites, biomass, body sizes, and life stages for three California/Baja California estuaries

  Hechinger, R. F., Lafferty, K. D., McLaughlin, J. P., Fredensborg, B. L., Huspeni, T. C., Lorda, J., Sandhu, P. K., Shaw, J. C., Torchin, M., Whitney, K. L. & Kuris, A., 2011, In: Ecology. 92, p. 791 1 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Polypocephalus sp. infects the nervous system and increases activity of commercially harvested white shrimp (Litopenaeus setiferus)

  Carreon, N., Faulkes, Z. & Fredensborg, B. L., Oct 2011, In: Journal of Parasitology. 97, 5, p. 755-759 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Litopenaeus setiferus 100%
  • nervous system 72%
  • parasite 63%
  • shrimp 56%
  • Nervous System 51%
  6 Citations (Scopus)
• 2009

  Geographical variation in metacercarial infection levels in marine invertebrate hosts: Parasite species character versus local factors

  Thieltges, D. W., Fredensborg, B. L. & Poulin, R., 2009, In: Marine Biology. 156, 5, p. 983-990 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • geographical variation 100%
  • parasite 84%
  • infection 78%
  • invertebrate 72%
  • invertebrates 69%
  25 Citations (Scopus)

• Geographical variation in metacercarial infection levels in marine invertebrate hosts: parasite species factor versus local factors

  Thieltges, D. W., Fredensborg, B. L. & Poulin, R., 2009, In: {MARINE BIOLOGY}. 156

  Research output: Contribution to journal › Journal article › Research › peer-review

  163 Downloads (Pure)

• Large-scale patterns in trematode richness and infection levels in marine crustacean hosts

  Thieltges, D. W., Fredensborg, B. L., Studer, A. & Poulin, R., 2009, In: Marine Ecology - Progress Series. 389, p. 139-147 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  12 Citations (Scopus)

  99 Downloads (Pure)
• 2008

  Ecosystem energetic implications of parasite and free-living biomass in three estuaries

  Kuris, A. M., Hechinger, R. F., Shaw, J. C., Whitney, K. L., Aguirre-Macedo, L., Boch, C. A., Dobson, A. P., Dunham, E. J., Fredensborg, B. L., Huspeni, T. C., Lorda, J., Mababa, L., Mancini, F. T., Mora, A. B., Pickering, M., Talhouk, N. L., Torchin, M. E. & Lafferty, K. D., 2008, In: Nature Study. 454, 7203, p. 515-518 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Estuaries 100%
  • Biomass 75%
  • Ecosystem 68%
  • Parasites 51%
  • Birds 13%
  369 Citations (Scopus)

• Four trematode cercariae from the New Zealand intertidal snail Zeacumantus subcarinatus (Batillariidae)

  Martorelli, S. R., Fredensborg, B. L., Leung, T. & Poulin, R., 2008, In: New Zealand Journal of Zoology. 35, 1, p. 73-84 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  40 Citations (Scopus)

• Production of marine trematode cercariae: A potentially overlooked path of energy flow in benthic systems

  Thieltges, D. W., De Montaudouin, X., Fredensborg, B., Jensen, K. T., Koprivnikar, J. & Poulin, R., 2008, In: Marine Ecology Progress Series. 372, p. 147-155 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • energy flow 100%
  • cercariae 87%
  • Trematoda 79%
  • snail 61%
  • parasite 37%
  55 Citations (Scopus)

• Production of marine trematode cercariae - an overlooked path of energy flow in benthic systems?

  Thieltges, D. W., de Mountaudouin, X., Koprivnikar, J., Fredensborg, B. L., Jensen, K. T. & Poulin, R., 2008, In: Marine Ecology - Progress Series. 372

  Research output: Contribution to journal › Journal article › Research › peer-review

  141 Downloads (Pure)
• 2006

  Parasitism shaping host life-history evolution: adaptive responses in a marine gastropod to infection by trematodes

  Fredensborg, B. L. & Poulin, R., 2006, In: Journal of Animal Ecology. 75, 1, p. 44-53 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • parasitism 100%
  • snail 82%
  • Trematoda 80%
  • gastropod 79%
  • Gastropoda 74%
  70 Citations (Scopus)

• Relating bird host distribution and spatial heterogeneity in trematode infections in an intertidal snail – from small to large scale.

  Fredensborg, B. L., Mouritsen, K. N. & Poulin, R., 2006, In: {MARINE BIOLOGY}. 149

  Research output: Contribution to journal › Journal article › Research › peer-review

  86 Citations (Scopus)

  195 Downloads (Pure)
• 2005

  Assortative pairing in the amphipod Paracalliope fluviatilis: a role for parasites?

  Lefebvre, F., Fredensborg, B. L., Armstrong, A., Hansen, E. & Poulin, R., 2005, In: Hydrobiologia. 545

  Research output: Contribution to journal › Journal article › Research › peer-review

  11 Citations (Scopus)

  145 Downloads (Pure)

• Impact of trematodes on host survival and population density in the intertidal gastropod Zeacumantus subcarcinatus

  Fredensborg, B. L., Mouritsen, K. N. & Poulin, R., 13 Apr 2005, In: Marine Ecology Progress Series. 290, p. 109-117 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Trematoda 100%
  • gastropod 98%
  • parasite 94%
  • Gastropoda 91%
  • population density 86%
  98 Citations (Scopus)

• Impact of trematodes on host survival and population density in the intertidal gastropod Zeacumantus subcarinatus

  Fredensborg, B. L., Mouritsen, K. N. & Poulin, R., 2005, In: Marine Ecology - Progress Series. 290

  Research output: Contribution to journal › Journal article › Research › peer-review

  351 Downloads (Pure)

• In vitro cultivation of Maritrema novaezealandensis (Microphallidae): the effect of culture medium on excystation, survival and egg production

  Fredensborg, B. L. & Poulin, R., 2005, In: Parasitology Research. 95, 5, p. 310-3 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Maritrema 100%
  • Microphallidae 98%
  • Metacercariae 94%
  • excystation 86%
  • metacercariae 72%
  16 Citations (Scopus)

  485 Downloads (Pure)

• Larval helminths in intermediate hosts: does competition early in life determine the fitness of adult parasites?

  Fredensborg, B. L. & Poulin, R., 2005, In: International Journal for Parasitology. 35, 10, p. 1061-70 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Helminths 100%
  • intermediate hosts 89%
  • helminths 88%
  • Parasites 68%
  • parasites 56%
  65 Citations (Scopus)

  308 Downloads (Pure)

• The true cost of host manipulation by parasites

  Poulin, R., Fredensborg, B. L., Hansen, E. K. & Leung, T. L. F., 2005, In: Behavioural Processes. 68, 3, p. 241-4 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  44 Citations (Scopus)

  452 Downloads (Pure)

• Trematode-induced alterations in shell shape of the mud snail Zeacumantus subcarinatus (Prosobranchia: Batillariidae)

  Hay, K. B., Fredensborg, B. L. & Poulin, R., 1 Aug 2005, In: Journal of the Marine Biological Association of the United Kingdom. 85, 4, p. 989-992 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • snail 100%
  • Trematoda 97%
  • shell (molluscs) 92%
  • snails 85%
  • mud 77%
  35 Citations (Scopus)

• Trematode-induced alterations in shell shape of the mud snail Zeacumantus subcarinatus (Prosobranchis: Batillariidae).

  Hay, K., Fredensborg, B. L. & Poulin, R., 2005, In: Journal of the Marine Biological Association of the UK. 85

  Research output: Contribution to journal › Journal article › Research › peer-review
• 2004

  Description and proposed life cycle of Maritrema novaezealandensis n. sp. (Microphallidae) parasitic in red-billed gulls, Larus novaehollandiae scopulinus, from Otago Harbor, South Island, New Zealand

  Martorelli, S. R., Fredensborg, B. L., Mouritsen, K. N. & Poulin, R., 2004, In: Journal of Parasitology. 90, 2, p. 272-7 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Chroicocephalus novaehollandiae 100%
  • Maritrema 96%
  • Microphallidae 95%
  • Charadriiformes 92%
  • Metacercariae 91%
  68 Citations (Scopus)

  191 Downloads (Pure)

• Intensity-dependent mortality of Paracalliope novizealandiae (Amphipoda: Crustacea) infected by a trematode: Experimental infections and field observations.

  Fredensborg, B. L., Mouritsen, K. N. & Poulin, R., 2004, In: Journal of Experimental Marine Biology and Ecology. 311

  Research output: Contribution to journal › Journal article › Research › peer-review

  75 Citations (Scopus)

  173 Downloads (Pure)

• New records of gastrointestinal helminths from the red-billed gull (Larus novaehollandiae scopulinus).

  Fredensborg, B. L., Latham, A. DM. & Poulin, R., 2004, In: New Zealand Journal of Zoology. 31

  Research output: Contribution to journal › Journal article › Research › peer-review

  16 Citations (Scopus)
• 2003

  A gastropod scavenger serving as paratenic host for larval helminth communities in shore crabs

  Latham, A. D. M., Fredensborg, B. L., McFarland, L. H. & Poulin, R., 2003, In: Journal of Parasitology. 89, 4, p. 862-4 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • paratenic hosts 100%
  • Gastropoda 90%
  • Helminths 81%
  • scavenger 77%
  • helminths 71%
  6 Citations (Scopus)

  260 Downloads (Pure)

• Larval spirurida (Nematoda) from the crab Macrophthalmus hirtipes in New Zealand

  Moravec, F., Fredensborg, B. L., Latham, A. D. M. & Poulin, R., 2003, In: Folia Parasitologica. 50, 2, p. 109-14 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Spirurida 100%
  • Nematoda 83%
  • Acuariidae 64%
  • Larva 52%
  • New Zealand 51%
  21 Citations (Scopus)