Thorunn Helgason, BSc(Hons) PhD FHEA

Search results

• 2023

  Enhanced plant growth in the presence of earthworms correlates with changes in soil microbiota but not nutrient availability

  Hodson, M. E., Brailey-Jones, P., Burn, W., Harper, A. L., Hartley, S. E., Helgason, T. & Walker, H. F., May 2023, In: Geoderma. 433, 14 p., 116426.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2022

  Bioaugmentation of pilot-scale slow sand filters can achieve compliant levels for the micropollutant metaldehyde in a real water matrix

  Castro Gutiérrez, V., Pickering, L., Cambronero-Heinrichs, JC., Holden, B., Haley, J., Jarvis, P., Jefferson, B., Helgason, T., Moir, J. & Hassard, F., 1 Mar 2022, In: Water research. 211, 12 p., 118071.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Changes in sediment characteristics in the first year of a realigned saltmarsh

  Cai, L., Helgason, T. & Redeker, K. R., Jan 2022, In: Estuarine coastal and shelf science. 264, 107684.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Experimental Evaluation of Biological Regeneration of Arable Soil: The Effects of Grass-Clover Leys and Arbuscular Mycorrhizal Inoculants on Wheat Growth, Yield, and Shoot Pathology

  Austen, N., Tille, S., Berdeni, D., Firbank, L., Lappage, M., Nelson, M., Helgason, T., Marshall-Harries, E., Hughes, B., Summers, R., Cameron, D. D. & Leake, J., 24 Aug 2022, In: Frontiers in Plant Science. 13, 25 p., 955985.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Land-use changes alter the arbuscular mycorrhizal fungal community composition and assembly in the ancient tea forest reserve

  Ji, L., Yang, X., Zhu, C., Ma, L., Chen, Y., Ling, N., Zhou, Z., Ni, K., Guo, S., Helgason, T. & Ruan, J., 1 Nov 2022, In: Agriculture, Ecosystems & Environment. 339, 10 p., 108142.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Soil macroaggregation drives sequestration of organic carbon and nitrogen with three-year grass-clover leys in arable rotation

  Guest, E. J., Palfreeman, L. J., Holden, J., Chapman, P. J., Firbank, L. G., Lappage, M. G., Helgason, T. & Leake, J. R., 29 Aug 2022, In: Science of the Total Environment.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• What are mycorrhizal traits?

  Chaudhary, V. B., Holland, E. P., Charman-Anderson, S., Guzman, A., Bell-Dereske, L., Cheeke, T. E., Corrales, A., Duchicela, J., Egan, C., Gupta, M. M., Hannula, S. E., Hestrin, R., Hoosein, S., Kumar, A., Mhretu, G., Neuenkamp, L., Soti, P., Xie, Y. & Helgason, T., 7 Jun 2022, (E-pub ahead of print) In: Trends in Ecology & Evolution. 37, 7, p. 573-581 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2021

  Arable fields as potential reservoirs of biodiversity: earthworm populations increase in new leys

  Prendergast-Miller, M., Jones, D., Berdeni, D., Bird, S., Chapman, P. J., Firbank, L., Grayson, R., Helgason, T., Holden, J., Lappage, M., Leake, J. & Hodson, M. E., 1 Oct 2021, In: Science of the Total Environment. 789, 10 p., 147880.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Eukaryotes in soil aggregates across conservation managements: major roles of protists, fungi and taxa linkages in soil structuring and C stock

  Pellegrino, E., Piazza, G., Helgason, T. & Ercoli, L., Dec 2021, In: Soil Biology and Biochemistry. 163, 13 p., 108463.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Long-term fertilization and tillage regimes have limited effects on structuring bacterial and denitrifier communities in a sandy loam UK soil

  Moulton-Brown, C., Feng, T., Kumar, S. S., Xu, L., Dytham, C., Helgason, T., Cooper, J. & Moir, J., 16 Dec 2021, (E-pub ahead of print) In: Environmental Microbiology. 24, 1, p. 298-308 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Soil quality regeneration by grass-clover leys in arable rotations compared to permanent grassland: effects on wheat yield and resilience to drought and flooding

  Berdeni, D., Turner, A., Grayson, R., Llanos, J., Holden, J., Firbank, L., Lappage, M., Hunt, SPF., Chapman, P. J., Hodson, M. E., Helgason, T., Watt, P. & Leake, J., 1 Aug 2021, In: Soil and Tillage Research. 212, 14 p., 105037.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2020

  Genomic basis for pesticide degradation revealed by selection, isolation and characterisation of a library of metaldehyde-degrading strains from soil

  Castro Gutiérrez, V., Fuller, E., Thomas, J. C., Sinclair, C. J., Johnson, S. D., Helgason, T. & Moir, J., 1 Mar 2020, In: Soil Biology and Biochemistry. 142, 11 p., 107702.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Mechanistic strategies of microbial communities regulating lignocellulose deconstruction in a UK salt marsh

  Leadbeater, D. R., Oates, N. C., Bennett, J., Li, Y., Dowle, A., Taylor, J. D., Sanchez Alponti, J., Setchfield, A., Alessi, A. M., Helgason, T., McQueen Mason, S. J. & Bruce, N. C., 2 Nov 2020, (Accepted/In press) In: Microbiome.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Mycorrhizas for a changing world: Sustainability, conservation, and society

  Helgason, T., Field, K., Johnson, D. & Daniell, T., 22 Jan 2020, (E-pub ahead of print) In: New Phytologist. 6 p.

  Research output: Contribution to journal › Editorial › peer-review

  Open Access

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• Soil fungal networks maintain local dominance of ectomycorrhizal trees

  Liang, M., Johnson, D., Burslem, D. F. R. P., Yu, S., Fang, M., Taylor, J. D., Taylor, A. F. S., Helgason, T. & Liu, X., 26 May 2020, In: Nature Communications. 11, 2636.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2019

  Latitudinal constraints in responsiveness of plants to arbuscular mycorrhiza: the ‘sun-worshipper’ hypothesis

  Veresoglou, S., Chen, B., Fischer, M., Helgason, T., Mamolos, A., Rillig, M., Roldan, A. & Johnson, D., 5 Jun 2019, (E-pub ahead of print) In: New Phytologist. 5 p.

  Research output: Contribution to journal › Letter › peer-review

  Open Access

  File

• Misdiagnosis and uncritical use of plant mycorrhizal data are not the only elephants in the room

  Bueno, C. G., Aldrich-Wolfe, L., Chaudhary, V. B., Gerz, M., Helgason, T., Hoeksema, J. D., Kilronomos, J., Lekberg, Y., Leon, D., Maherali, H., Opik, M., Zobel, M. & Moora, M., 27 Jun 2019, (E-pub ahead of print) In: New Phytologist. p. 1-4 4 p.

  Research output: Contribution to journal › Letter › peer-review

  Open Access

  File

• The role of hedgerows in soil functioning within agricultural landscapes

  Holden, J., Grayson, R., Berdeni, D., Bird, S., Chapman, P., Edmonson, J., Firbank, L., Helgason, T., Hodson, M. E., Hunt, S., Jones, D., Lappage, M., Marshall-Harries, E., Nelson, M., Prendergast-Miller, M. T., Shaw, H., Wade, R. & Leake, J., Mar 2019, In: Agriculture, Ecosystems & Environment. 273, p. 1-12 13 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2018

  In situ mycorrhizal function – knowledge gaps and future directions

  Lekberg, Y. & Helgason, T., Dec 2018, In: New Phytologist. 220, 4, p. 957-962 6 p.

  Research output: Contribution to journal › Comment/debate › peer-review

  Open Access

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• Noninvasive analysis of the soil microbiome: Biomonitoring strategies using the volatilome, community analysis, and environmental data

  Redeker, K. R., Cai, L. L., Dumbrell, A. J., Bardill, A., Chong, J. P. J. & Helgason, T., 10 Sept 2018, In: Advances in Ecological Research. 59, p. 93-132 40 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Partitioning of soil phosphorus among arbuscular and ectomycorrhizal trees in tropical and subtropical forests

  Liu, X., Burslem, D., Taylor, J., Taylor, A., Khoo, E., Majalap-Lee, N., Helgason, T. & Johnson, D., 1 May 2018, In: Ecology Letters. 21, 5, p. 713-723 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2017

  Historical biome distribution and recent human disturbance shape the diversity of arbuscular mycorrhizal fungi

  Partel, M., Öpik, M., Tedersoo, L., Szava-Kovats, R., Rosendahl, S., Rillig, M. C., Lekberg, Y., Kreft, H., Helgason, T., Eriksson, O., Davison, J., de Bello, F., Caruso, T., Zobel, M. & Moora, M., 19 Jul 2017, In: New Phytologist. p. 1-12 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• How does elevated ozone reduce methane emissions from peatlands?

  Toet, S., Oliver, V., Ineson, P., McLoughlin, S., Helgason, T., Peacock, S., Stott, A. W., Barnes, J. & Ashmore, M., 1 Feb 2017, In: Science of the Total Environment. 579, 1 Feb 2017, p. 60-71 12 p., j.scitotenv.2016.10.188.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Increasing flooding frequency alters soil microbial communities and functions under laboratory conditions.

  Helgason, T., Randle-Boggis, R. J. & Ashton, P. D., 7 Nov 2017, In: Microbiology Open. 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Isolation and characterisation of metaldehyde-degrading bacteria from domestic soils

  Moir, J., Thomas, J. C., Sinclair, C. J. & Helgason, T., 13 Jul 2017, In: Microbial Biotechnology. 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Sequence-based classification and identification of Fungi

  Hibbett, D., Abarenkov, K., Koljalg, U., Opik, M., Chai, B., Cole, J. R., Wang, Q., Crous, P. W., Robert, V. A. R. G., Helgason, T., Herr, J., Kirk, P., Lueschow, S., O'Donnell, K., Nilsson, H., Oono, R., Schoch, C. L., Smyth, C., Walker, D., Porras-Alfaro, A., & 2 othersTaylor, J. W. & Geiser, D. M., 30 Jan 2017, In: Mycologia. 108, 6, p. 1049-1068 20 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
• 2016

  Evaluating techniques for metagenome annotation using simulated sequence data

  Randle-Boggis, R. J., Helgason, T., Sapp, M. & Ashton, P. D., 11 May 2016, In: FEMS MICROBIOLOGY ECOLOGY. 39 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2015

  Biogeography of Paenibacillus larvae, the causative agent of American foulbrood, using a new multilocus sequence typing scheme

  Morrissey, B. J., Helgason, T., Poppinga, L., Fünfhaus, A., Genersch, E. & Budge, G. E., 1 Apr 2015, In: Environmental Microbiology. p. 1414-1424

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Fungi in the future: interannual variation and effects of atmospheric change on arbuscular mycorrhizal fungal communities

  Cotton, T. E. A., Fitter, A. H., Miller, R. M., Dumbrell, A. J. & Helgason, T., Mar 2015, In: New Phytologist. 205, 4, p. 1598-1607 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Navigating the labyrinth: a guide to sequence-based, community ecology of arbuscular mycorrhizal fungi

  Hart, M., Aleklett, K., Chagnon, P-L., Egan, C., Ghignone, S., Helgason, T., Lekberg, Y., Öpik, M., Pickles, B. & Waller, L., 1 Jul 2015, In: New Phytologist. 207, 1, p. 235-247 13 p.

  Research output: Contribution to journal › Literature review › peer-review
• 2014

  Arbuscular mycorrhizal communities associated with maples (Acer spp.) in a common garden are influenced by season and host plant

  Helgason, T., Feng, H., Sherlock, D. J., Young, J. P. W. & Fitter, A. H., Apr 2014, In: Botany. 92, 4, p. 321-326 6 p.

  Research output: Contribution to journal › Article › peer-review

• What Goes in Must Come out: Testing for Biases in Molecular Analysis of Arbuscular Mycorrhizal Fungal Communities

  Cotton, T. E. A., Dumbrell, A. J. & Helgason, T., 2014, In: PLoS ONE. 9, 10, e109234.

  Research output: Contribution to journal › Article › peer-review
• 2013

  A typing scheme for the honeybee pathogen Melissococcus plutonius allows detection of disease transmission events and a study of the distribution of variants

  Haynes, E., Helgason, T., Young, J. P. W., Thwaites, R. & Budge, G. E., 2013, In: Environmental Microbiology Reports. 5, 4, p. 525-529

  Research output: Contribution to journal › Article › peer-review
• 2012

  T-RFLP analysis of bacterial communities in the midguts of Apis mellifera and Apis cerana honey bees in Thailand

  Disayathanoowat, T., Young, J. P. W., Helgason, T. & Chantawannakul, P., Feb 2012, In: FEMS MICROBIOLOGY ECOLOGY. 79, 2, p. 273-281 9 p.

  Research output: Contribution to journal › Article › peer-review
• 2011

  Distinct seasonal assemblages of arbuscular mycorrhizal fungi revealed by massively parallel pyrosequencing

  Dumbrell, A. J., Ashton, P. D., Aziz, N., Feng, G., Nelson, M., Dytham, C., Fitter, A. H. & Helgason, T., May 2011, In: New Phytologist. 190, 3, p. 794-804 11 p.

  Research output: Contribution to journal › Article › peer-review

• Local Adaptation to Soil Hypoxia Determines the Structure of an Arbuscular Mycorrhizal Fungal Community in Roots from Natural CO2 Springs

  Macek, I., Dumbrell, A. J., Nelson, M., Fitter, A. H., Vodnik, D. & Helgason, T., Jul 2011, In: Applied and Environmental Microbiology. 77, 14, p. 4770-4777 8 p.

  Research output: Contribution to journal › Article › peer-review

• Nutritional exchanges in the arbuscular mycorrhizal symbiosis: implications for sustainable agriculture

  Fitter, A., Helgason, T. & Hodge, A., 1 Mar 2011, In: Fungal Biology Reviews. 25, 1, p. 68-72 5 p.

  Research output: Contribution to journal › Literature review
• 2010

  Idiosyncrasy and overdominance in the structure of natural communities of arbuscular mycorrhizal fungi: is there a role for stochastic processes?

  Dumbrell, A. J., Nelson, M., Helgason, T., Dytham, C. & Fitter, A. H., Mar 2010, In: Journal of Ecology. 98, 2, p. 419-428 10 p.

  Research output: Contribution to journal › Article › peer-review

• Nutritional ecology of arbuscular mycorrhizal fungi

  Hodge, A., Helgason, T. & Fitter, A. H., Nov 2010, In: FUNGAL ECOLOGY. 3, 4, p. 267-273 7 p.

  Research output: Contribution to journal › Literature review › peer-review

• Relative roles of niche and neutral processes in structuring a soil microbial community

  Dumbrell, A. J., Nelson, M., Helgason, T., Dytham, C. & Fitter, A. H., 2010, In: The ISME Journal. 4, 3, p. 337-345 9 p.

  Research output: Contribution to journal › Article › peer-review
• 2009

  Arbuscular mycorrhizal dynamics in a chronosequence of Caragana korshinskii plantations

  Liu, Y., He, L., An, L., Helgason, T. & Feng, H., Jan 2009, In: FEMS MICROBIOLOGY ECOLOGY. 67, 1, p. 81-92 12 p.

  Research output: Contribution to journal › Article › peer-review

• Natural selection and the evolutionary ecology of the arbuscular mycorrhizal fungi (Phylum Glomeromycota)

  Helgason, T. & Fitter, A. H., Jul 2009, In: Journal of Experimental Botany. 60, 9, p. 2465-2480 16 p.

  Research output: Contribution to journal › Literature review › peer-review
• 2007

  Specificity and resilience in the arbuscular mycorrhizal fungi of a natural woodland community

  Helgason, T., Merryweather, J. W., Young, J. P. W. & Fitter, A., Jul 2007, In: Journal of Ecology. 95, 4, p. 623-630 7 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 2003

  Phylogeny of the Glomerales and Diversisporales (Fungi : Glomeromycota) from actin and elongation factor 1-alpha sequences

  Helgason, T., Watson, I. J. & Young, J. P. W., 5 Dec 2003, In: FEMS microbiology letters. 229, 1, p. 127-132 6 p.

  Research output: Contribution to journal › Article › peer-review
• 2002

  Selectivity and functional diversity in arbuscular mycorrhizas of co-occurring fungi and plants from a temperate deciduous woodland

  Helgason, T., Merryweather, J. W., Denison, J., Wilson, P., Young, J. P. W. & Fitter, A. H., Apr 2002, In: Journal of Ecology. 90, 2, p. 371-384 14 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 1999

  Molecular diversity of arbuscular mycorrhizal fungi colonising Hyacinthoides non-scripta (bluebell) in a seminatural woodland

  Helgason, T., Fitter, A. H. & Young, J. P. W., Apr 1999, In: Molecular Ecology. 8, 4, p. 659-666 8 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 1998

  Ploughing up the wood-wide web?

  Helgason, T., Daniell, T. J., Husband, R., Fitter, A. H. & Young, J. P. W., 30 Jul 1998, In: Nature. 394, 6692, p. 431-431 1 p.

  Research output: Contribution to journal › Article › peer-review