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• Expressed 2–5A synthetase genes and pseudogenes in the marine sponge Geodia barrettiVallmann, Kerli; Aas, Nele; Reintamm, Tõnu; Lopp, Annika; Kuusksalu, Anne; Kelve, MerikeGene2011 / p. 42-49 : ill https://www.sciencedirect.com/science/article/pii/S0378111911000163
• Molecular identification, characterization and distribution of freshwater sponges (Porifera: Spongillidae) in EstoniaLopp, Annika; Reintamm, Tõnu; Vallmann, Kerli; Päri, Mailis; Mikli, Valdek; Richelle-Maurer, Evelyn; Kelve, MerikeFundamental and applied limnology = Archiv für Hydrobiologie2007 / 1, p. 93-103 https://www.researchgate.net/publication/233617898_Molecular_identification_characterization_and_distribution_of_freshwater_sponges_Porifera_Spongillidae_in_Estonia
• Sponge OAS has a distinct genomic structure within the 2-5A synthetase familyReintamm, Tõnu; Kuusksalu, Anne; Metsis, Madis; Päri, Mailis; Vallmann, Kerli; Lopp, Annika; Justesen, Just; Kelve, MerikeMolecular genetics and genomics2008 / p. 453-466 : ill https://pubmed.ncbi.nlm.nih.gov/18797928/
• Stress protein HSP70 from marine sponge T. muricataVallmann, Kerli; Kivisild, Carmen; Lopp, AnnikaAbstracts : ninth world sponge conference 20132013 / p. 170
• The stress protein HSP70 from the marine sponge Thenea muricataVallmann, Kerli; Kivisild, Carmen; Lopp, Annika; Rapp, Hans Tore; Kelve, MerikeJournal of the Marine Biological Association of the United Kingdom2016 / p. 573-581 : ill https://doi.org/10.1017/S0025315415002234 https://www.scopus.com/sourceid/12162 https://www.scopus.com/record/display.uri?eid=2-s2.0-84954314398&origin=inward&txGid=856ccce73025a13086a00a2b04bdf7da https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20MAR%20BIOL%20ASSOC%20UK&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000371163700032