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Our research focus lies on marine microbes in the phycosphere and the plastisphere and key publications thereof are listed below. A full list of publications can be found on Google Scholar.



Jian J, Wu Z, Silva-Núñez A, Li X, Zheng X, Luo B, Liu Y, Fang X, Workman CT, Larsen TO, Hansen PJ, Sonnenschein EC (2024). Long-read genome sequencing provides novel insights into the harmful algal bloom species Prymnesium parvum. Science of the Total Environment, 908, 168042. doi: 10.1016/j.scitotenv.2023.168042

Roager L, Kempen PJ, Bentzon-Tilia M, Sonnenschein EC, Gram L (2023). Impact of host species on assembly, composition, and functional profiles of phycosphere microbiomes. BioRXiv. doi: 10.1101/2023.11.08.566273

Barnes C, Sonwane A, Sonnenschein EC, Del Giudice F (2023). Machine learning enhanced droplet microfluidics. Physics of Fluids, 35, 092003. doi: 10.1063/5.0163806

Roager L, Sonnenschein EC, Gram L (2023). Sequence-Based Characterization of Microalgal Microbiomes: Impact of DNA Extraction Protocol on Yield and Community Composition. Microbiology Spectrum, 11, 2, e03408-22. doi: 10.1128/spectrum.03408-22

Raina JB, Giardina M, Brumley DR, Clode PL, Pernice M, Guagliardo P, Bougoure J, Mendis H, Smriga S, Sonnenschein EC, Ullrich MS, Stocker R & Seymour JR (2023). Chemotaxis increases metabolic exchanges between marine picophytoplankton and heterotrophic bacteria. Nature Microbiology, 8, 510–521. doi: 10.1038/s41564-023-01327-9

Lindqvist LL, Jarmusch SA, Sonnenschein EC, Strube ML, Kim J, Nielsen M, Kempen P, Schoof E, Zhang S, and Gram L (2022). Tropodithietic acid, a multifunctional antimicrobial, facilitates adaption and colonization of the producer, Phaeobacter piscinae. mSphere, 8, 1, e00517-22. doi: 10.1128/msphere.00517-22

Henriksen NNSE, Schostag MD, Balder SR, Bech PK, Strube ML, Sonnenschein EC, Gram L (2022). The ability of Phaeobacter inhibens to produce tropodithietic acid influences the community dynamics of a microalgal microbiome. ISME Communications, 2, 109. doi: 10.1038/s43705-022-00193-6


Li L, Wang H, Wang S, Xu Y, Liang H, Liu H, Sonnenschein EC (2021). The Draft Genome of the centric diatom Conticribra weissflogii (Coscinodiscophyceae, Ochrophyta). Protist, 172, 5–6, 125845. doi: 10.1016/j.protis.2021.125845

Sonnenschein EC, Jimenez G, Castex M, and Gram, L (2021). The Roseobacter-group bacterium Phaeobacter as safe probiotic solution for aquaculture. Applied and Environmental Microbiology, 87(5), e02581-20. doi: 10.1128/AEM.02581-20

Dittmann KK, Rasmussen BB, Melchiorsen J, Sonnenschein EC, Gram L, and Bentzon-Tilia, M (2020). Changes in the microbiome of mariculture feed organisms after treatment with a potentially probiotic strain of Phaeobacter inhibens. Applied and Environmental Microbiology, 2, 86(14), e00499-20. doi: 10.1128/AEM.00499-20

Sonnenschein EC, Phippen CBW, Rasmussen SA, Bentzon-Tilia M, Nielsen KF, and Gram L (2018). Phylogenetic distribution of roseobacticides in the Roseobacter group and their effect on microalgae. Environmental Microbiology Reports, 10(3), 383-93. doi: 10.1111/1758-2229.12649

Sonnenschein EC, Pu Y, Beld J, and Burkart MD (2016). Phosphopantetheinylation in the green microalgae Chlamydomonas reinhardtii. Journal of Applied Phycology, 28(6), 3259–67. doi: 10.1007/s10811-016-0875-7

Sonnenschein EC, Syit DA, Grossart HP, and Ullrich MS (2012). Chemotaxis of Marinobacter adhaerens and its impact on attachment to the diatom Thalassiosira weissflogii. Applied and Environmental Microbiology, 78(19), 6900–7. doi: 10.1128/AEM.01790-12

Sonnenschein EC, Gärdes A, Seebah S, Torres-Monroy I, Grossart HP, and Ullrich MS (2011). Development of a genetic system for Marinobacter adhaerens HP15 involved in marine aggregate formation by interacting with diatom cells. Journal of Microbiological Methods, 87(2), 176–83. doi: 10.1016/j.mimet.2011.08.008


Hansen J, Melchiorsen J, Ciacotich N, Gram L,Sonnenschein EC (2021). Effect of polymer type on the colonization of plastic pellets by marine bacteria. FEMSMicrobiolology Letters 19104. EDITOR'S CHOICE doi: 10.1093/femsle/fnab026


Borre I, Sonnenschein EC (2021). Draft Genome Sequences of Nine Environmental Bacterial Isolates Colonizing Plastic.
Microbiology Resource Announcements, 10, 18–20. doi: 10.1128/mra.01485-2026

Roager L, Sonnenschein EC (2019). Bacterial candidates for colonization and degradation of marine plastic debris. Environmental science & technology 53 (20), 11636-11643. doi: 10.1021/acs.est.9b02212

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