Department Experimental Phycology and Culture Collection of Algae (EPSAG)

peer-reviewed publications from 2001 until today



    2024

  • Huisman J.M., Verbruggen H., Hossen R., Rybalka N., Entwisle T.J. 2024. Morphological and molecular analyses of Vaucheria section Piloboloideae (Xanthophyceae: Vaucheriaceae) indicate alternative species identities for broadly distributed taxa. Phycologia, 63(2):170-178. doi: 10.1080/00318884.2024.2306656

  • Wang X., Ganzert L., Bartholomäus A., Amen R., Yang S., Merino Guzmán C., Matus F., Albornoz M.F., Aburto F., Oses-Pedraza R., Friedl T., Wagner D. 2024. The effects of climate and soil depth on living and dead bacterial communities along a longitudinal gradient in Chile. Sc. Total Env. 945:173846. doi: 10.1016/j.scitotenv.2024.173846

  • Jung P.J., Briegel-Williams L., Büdel B., Schultz M., Nürnberg D., Grube M., D’Agostino P.M., Kaštovský J., Mareš J., Lorenz M., González M.L.G., Forno M.D., Westberg M., Chrismas N., Pietrasiak N., Whelan P., Dvořák P., Košuthová A., Gkelis S., Bauersachs T., Schiefelbein U., Giao V.T.P., Lakatos M., INCb International Network for research on unicellular CyanoBionts from lichens. 2024. The underestimated fraction: diversity, challenges and novel insights into unicellular cyanobionts of lichens. ISME Communications 4(1): ycae069. doi: 10.1093/ismeco/ycae069

  • Kurjahn M., Deka A., Girot A., Abbaspour L., Klumpp S., Lorenz M., Bäumchen O., Karpitschka S. 2024. Quantifying gliding forces of filamentous cyanobacteria by self-buckling. eLife 12:RP87450. doi: 10.7554/eLife.87450.3

  • Feng X., Zheng J., Irisarri I., Yu H., Zheng B., Ali Z., de Vries S., Keller J., Fürst-Jansen J.M.R., Dadras A., Zegers J.M.S., Rieseberg T.P., Ashok A.D., Darienko T., Bierenbroodspot M.J., Gramzow L., Petroll R., Haas F.B., Fernandez-Pozo N., Nousias O., Li T., Fitzek E., Grayburn W.S., Rittmeier N., Permann C., Rümpler F., Archibald J.M., Theißen G., Mower J.P., Lorenz M., Buschmann H., von Schwartzenberg K., Boston L., Hayes R.D., Daum C., Barry K., Grigoriev I.V., Wang X., Li F.-W., Rensing S.A., Ben Ari j., Keren N., Mosquna A., Holzinger A., Delaux P.M., Zhang C., Huang J., Mutwil M., de Vries J., Yin Y. 2024. Genomes of multicellular algal sisters to land plants illuminate signaling network evolution. Nat. Genet. 56: 1018-1031. doi: 10.1038/s41588-024-01737-3

  • Park J., Lee H., Asselman J., Janssen C., Depuydt S., De Saeger J., Friedl T., Sabbe K., Vyverman W., Philippart C.J.M., Pitarch J., Heynderickx P.M., Wu D., Ronsse F., De Neve W., Pandey L.K., Tae Park J., Han T. 2024. Harnessing the power of tidal flat diatoms to combat climate change. Crit. Rev. Env. Sci. Techn. 1-22. doi: 10.1080/10643389.2024.2315004

    • 2023

  • Dadras A., Fürst-Jansen J.M.R., Darienko T., Krone D., Scholz P., Sun S., Herrfurth C., Rieseberg T.P., Irisarri I., Steinkamp R., Hansen M., Buschmann H., Valerius O., Braus G.H., Hoecker U., Feussner I., Mutwil M., Ischebeck T., de Vries S., Lorenz M., de Vries J. 2023. Environmental gradients reveal stress hubs pre-dating plant terrestrialization. Nat. Plants 9:1419-1438. doi: 10.1038/s41477-023-01491-0

  • Rybalka N., Blanke M., Tzvetkova A., Noll A., Roos C., Boy J., Boy D., Nimptsch D., Godoy R., Friedl T. 2023. Unrecognized diversity and distribution of soil algae from Maritime Antarctica (Fildes Peninsula, King George Island). Front. Microbiol. - Sec. Microbial Symbioses 14. doi: 10.3389/fmicb.2023.1118747

  • Medina Caro D., Horstmann L., Ganzert L., Oses R., Friedl T., Wagner D. 2023. An improved method for intracellular DNA (iDNA) recovery from terrestrial environments. Microbiologyopen 12 (3): e1369. doi: 10.1002/mbo3.1369

  • Weber-Theen A., Albaseer S., Friedl T., Lorenz M., Gutowski A., Dören L. 2023. A microplate-based bioassay for toxicity testing using the large benthic algal species Closterium ehrenbergii. Ecotox. Environm. Safety 255:114781. doi: 10.1016/j.ecoenv.2023.114781

  • Kryvenda A., Tischner R., Steudel B., Griehl C., Armon R., Friedl T. 2023. Testing for terrestrial and freshwater microalgae productivity under elevated CO2 conditions and nutrient limitation. BMC Plant Biol 23:27. doi: 10.1186/s12870-023-04042-z

    • 2022

  • DeShaw A.E., Figueroa-Martinez F., Pröschold T., Lorenz M., Nedelcu A.M., Smith D.R., Reyes-Prieto A. 2022. The plastomes of Hyalomonas oviformis and Hyalogonium fusiforme evolved dissimilar architectures after the loss of photosynthesis. Plant Direct, 6 (10): e454. doi: 10.1002/pld3.454

  • Rybalka N., Epkes S., Wegner K.M., Michaelis R., Reise K. 2022. Invasive Vaucheria (Xanthophyceae) at the lower shore of the Wadden Sea. Phycologia 61 (3): 274-283. doi: 10.1080/00318884.2022.2035532

  • Rampen S.W., Friedl T., Rybalka N., Thiel V. 2022. The Long chain Diol Index: A marine palaeotemperature proxy based on eustigmatophyte lipids that records the warmest seasons. Proc. Natl. Acad. Sci. USA. 119 (16): e2116812119. doi: 10.1073/pnas.2116812119

  • Reise K., Michaelis R., Rybalka N. 2022. Invading grass-like alga transforms rippled sand bars into bumpy muddy flats: arrival of a game changer in the Wadden Sea? Aquatic Invasions 17 (1): 1-20.
    doi: 10.3391/ai.2022.17.1.01

  • Fürst-Jansen J.M., de Vries S., Lorenz M., von Schwartzenberg K., Archibald J.M., de Vries J. 2022. Submergence of the filamentous Zygnematophyceae Mougeotia induces differential gene expression patterns associated with core metabolism and photosynthesis. Protoplasma 259 (2): 1157–1174. doi: 10.1007/s00709-021-01730-1

    • 2021

  • Irisarri I., Darienko T., Pröschold T., Fürst-Jansen J.M.R., Jamy M., de Vries J. 2021. Unexpected cryptic species among streptophyte algae most distant to land plants. Proc. R. Soc. B 288: 20212168. doi: 10.1098/rspb.2021.2168

    • 2020

  • Yamagishi T., Yamaguchi H., Suzuki S., Yoshikawa M., Jameson I., Lorenz M., Nobles D.R., Campbell C., Seki M., Kawachi M., Yamamoto H. 2020. Comparative genome analysis of test algal strain NIVA-CHL1 (Raphidocelis subcapitata) maintained in microalgal culture collections worldwide. PLoSONE 15 (11): e0241889. doi: 10.1371/journal.pone.0241889

  • Liang H., Wang H., Xu Y., Li L., Melkonian B., Lorenz M., Friedl T., Kumar Sahu S., Yu J., Liu H., Melkonian M., Wang S. 2020. The Draft Genome of Coelastrum proboscideum (Sphaeropleales, Chlorophyta). Protist 171 (5): 125758. doi: 10.1016/j.protis.2020.125758

  • Rybalka N., Mikhailyuk T., Darienko T., Dultz S., Blanke M., Friedl T. 2020. Genotypic and phylogenetic diversity of new isolates of terrestrial Xanthophyceae (Stramenopiles) from maritime sandy habitats. Phycologia 59 (6):506-514. doi: 10.1080/00318884.2020.1802950

  • Lang I., Bashir S., Lorenz M., Rader S., Weber G. 2020. Exploiting the potential of Cyanidiales as a valuable resource for biotechnological applications. Appl. Phycol. 1 (SI1): 1-12. doi: 10.1080/26388081.2020.1765702

  • Spanner C., Darienko T., Biehler T., Sonntag B., Pröschold T. 2020. Endosymbiotic Green Algae in Paramecium bursaria: A New Isolation Method and a Simple Diagnostic PCR Approach for the Identification. Diversity 12 (6): 240. doi: 10.3390/d12060240

  • Pröschold T., Pitsch J., Darienko T. 2020. Micractinium tetrahymenae (Trebouxiophyceae, Chlorophyta), a New Endosymbiont Isolated from Ciliates. Diversity 12 (5): 200. doi: 10.3390/d12050200

  • Pröschold T., Darienko T. 2019. The green puzzle Stichococcus (Trebouxiophyceae, Chlorophyta): New generic and species concept among this widely distributed genus. Phytotaxa 441 (2): 113-142. doi: 10.11646/phytotaxa.441.2.2

    • 2019

  • Wang S., Li L., Xu Y., Melkonian B., Lorenz M., Friedl T., Petersen M., Sahu S.K., Melkonian M., Liu H. 2019. The Draft Genome of the Small, Spineless Green Alga Desmodesmus costato-granulatus (Sphaeropleales, Chlorophyta). Protist 170: 125697. doi: 10.1016/j.protis.2019.125697

  • Xu Y., Li L., Liang H. Melkonian B., Lorenz M., Friedl T., Petersen M., Liu H., Melkonian M., Wang S. 2019. The Draft Genome of Hariotina reticulata (Sphaeropleales) Provides Insight into the Evolution of Scenedesmaceae. Protist 170: 125684. doi: 10.1016/j.protis.2019.125684

  • Darienko T., Kang W., Orzechowski A., Pröschold T. 2019. Pleurastrosarcina terriformae, a new species of a rare desert trebouxiophycean alga discovered by an integrative approach. Extremophiles 23(5): 573-586. doi: 10.1007/s00792-019-01108-5

  • Shumilovskikh L.S., Schlütz F., Lorenz M., BelénTomaselli M. 2019. Non-pollen palynomorphs notes: 3. Phototrophic loricate euglenoids in paleoecology and the effect of acetolysis on Trachelomonas loricae. Review of Palaeobotany and Palynology 270: 1-7. doi: 10.1016/j.revpalbo.2019.06.017

  • Darienko T., Pröschold T. 2019. The genus Jaagichlorella Reisigl (Trebouxiophyceae, Chlorophyta) and its close relatives: an evolutionary puzzle. Phytotaxa 388 (1) : 2. doi: 10.11646/phytotaxa.388.1.2

  • Darienko T., Pröschold T. 2019. Reevaluation and discovery of new species of the rare genus Watanabea and establishment of Massjukichlorella gen. nov. (Trebouxiophyceae, Chlorophyta) using an integrative approach. J. Phycol. 55 (2): 493-499. doi: 10.1111/jpy.12830

  • Darienko T., Rad-Menéndez C., Campbell C., Pröschold T. 2019. Are there any true marine Chlorella species? Molecular phylogenetic assessment and ecology of marine Chlorella-like organisms, including a description of Droopiella gen. nov.. Syst. Biodiv. 17 (8): 811-829. doi: 10.1080/14772000.2019.1690597

    • 2018

  • Mikhailyuk T., Lukešová A., Glaser K., Holzinger A., Obwegeser S., Nyporko S., Friedl T., Karsten U. 2018. New Taxa of Streptophyte Algae (Streptophyta) from Terrestrial Habitats Revealed Using an Integrative Approach. Protist 169 (3) : 406-431. doi: 10.1016/j.protis.2018.03.002

  • Pröschold T., Darienko T., Krienitz L., Coleman A.W. 2018. Chlamydomonas schloesseri sp. nov. (Chlamydophyceae, Chlorophyta) revealed by morphology, autolysin cross experiments, and multiple gene analyses. Phytotaxa 362 (1) : 21. doi: 10.11646/phytotaxa.362.1.2

  • Darienko T., Lukesova, A., Pröschold T. 2018. The polyphasic approach revealed new species of Chloroidium (Trebouxiophyceae, Chlorophyta). Phytotaxa 372 (1) : 51. doi: 10.11646/phytotaxa.372.1.4

  • Kryvenda A., Rybalka N.,Wolf M.,Friedl T. 2018. Species distinctions among closely related strains of Eustigmatophyceae (Stramenopiles) emphasizing ITS2 sequence-structure data: Eustigmatos and Vischeria. Eur. J. Phycol. 53(4):471-491. doi: 10.1080/09670262.2018.1475015

  • Bajerski F., Stock J., Hanf B., Darienko T., Heine-Dobbernack E., Lorenz M., Naujox L., Keller E.R.J., Schumacher H.M., Friedl T., Eberth S., Mock H.-P., Kniemeyer O., Overmann J. 2018. ATP Content and Cell Viability as Indicators for Cryostress Across the Diversity of Life. Front. Physiol. 9:921. doi: 10.3389/fphys.2018.00921

    • 2017

  • Darienko T., Pröschold T. 2017. Toward a monograph of non-marine Ulvophyceae using an integrative approach (Molecular phylogeny and systematics of terrestrial Ulvophyceae II.). Phytotaxa 324(1):1-41. doi:10.11646/phytotaxa.324.1.1

  • Mudimu O., Koopmann I.K., Rybalka N., Friedl T. , Schulz R., Bilger W. 2017. Screening of microalgae and cyanobacteria strains for alpha-tocopherol content at different growth phases and the influence of nitrate reduction on alpha-tocopherol production. J. Appl. Phycol. 29 (6): 2867-2875. doi: 10.1007/s10811-017-1188-1

    • 2016

  • Büdel B., Dulic T., Darienko T., Rybalka N., Friedl T. 2016. Cyanobacteria and algae of biological soil crusts. In: Weber, B., Belnap, J., and Büdel, B. (Eds.). Ecological Studies 226: 55-80. doi:10.1007/978-3-319-30214-0_4

  • Hodac L., Hallmann C., Spitzer K., Elster J., Faßhauer F., Brinkmann N., Lepka D., Diwan V., Friedl T. 2016. Widespread green algae Chlorella and Stichococcus exhibit polar-temperate and tropical-temperate biogeography. FEMS Microbiol. Ecol. 92 (8): fiw122. doi:10.1093/femsec/fiw122

  • Steudel B., Hallmann C., Lorenz M., Abrahamczyk S., Prinz K., Herrfurth C., Feussner I., Martini J.W.R., Kessler M. 2016. Contrasting biodiversity-ecosystem functioning relationships in phylogenetic and functional diversity. New Phytologist 212(2):409-420.
    doi:10.1111/nph.14054

  • Hallmann C., Hoppert M., Mudimu, O., Friedl T. 2016. Biodiversity of green algae covering artificial hard substrate surfaces in a suburban environment: A case study using molecular approaches. J. Phycol. 52(5):732-744.doi:10.1111/jpy.12437

  • Skaloud P., Friedl T., Hallmann C., Beck A., Dal Grande F. 2016. Taxonomic revision and species delimitation of coccoid green algae currently assigned to the genus Dictyochloropsis (Trebouxiophyceae, Chlorophyta). J. Phycol. 52(4):599-617.
    doi:10.1111/jpy.12422

  • Gustavs L., Schumann R., Karsten U., Lorenz M. 2016. Mixotrophy in the terrestrial green alga Apatococcus lobatus (Trebouxiophyceae, Chlorophyta). J. Phycol. 52(2):311-314.
    doi:10.1111/jpy.12381

    • 2015

  • Ott D.W., Oldham-Ott C.K., Rybalka, N., Friedl T. 2015. Chapter 11. Xanthophyte, eustigmatophyte, and raphidophyte algae. In: Freshwater Algae of North America, 2nd Edition Ecology and Classification. Wehr J., Sheath R., Kociolek J.P. (eds). San Diego: Academic Press. ISBN 9780123858764. doi:10.1016/B978-0-12-385876-4.00011-6.

  • Darienko T., Lorenz M., Friedl T. 2015. Effects of cryopreservation on microalgae recovered using AFLP fingerprinting. Cryobiology 71(3):537. doi:10.1016/j.cryobiol.2015.10.004.

  • Brinkmann N., Hodac L., Mohr K.I., Hodacova A. , Jahn R., Ramm J., Hallmann C., Arp G., Friedl T. 2015. Cyanobacteria and Diatoms in Biofilms of Two Karstic Streams in Germany and Changes of Their Communities Along Calcite Saturation Gradients. Geomicrobiol. J. 32 (3-4) 255-274. Special Issue: Geobiology of Organo- and Biofilms. doi:10.1080/01490451.2014.901438.

  • Hodac L., Brinkmann N., Mohr K.I., Arp G., Hallmann C., Ramm J., Spitzer K., Friedl T. 2015. Diversity of Microscopic Green Algae (Chlorophyta) in Calcifying Biofilms of Two Karstic Streams in Germany. Geomicrobiol. J. 32 (3-4) 275-290. Special Issue: Geobiology of Organo- and Biofilms. doi:10.1080/01490451.2013.878418.

  • Mudimu O., Rybalka N., Bauersachs T., Friedl T., Schulz R. 2015. Influence of Different CO2 Concentrations on Microalgae Growth, alpha-Tocopherol Content and Fatty Acid Composition. Geomicrobiol. J. 32 (3-4) 291-303. Special Issue: Geobiology of Organo- and Biofilms. doi:10.1080/01490451.2014.889784.

  • Spitzer S., Brinkmann N., Reimer A., Ionescu D., Friedl T., De Beer D., Arp G. 2015. Effect of Variable pCO2 on Ca2+ Removal and Potential Calcification of Cyanobacterial Biofilms - An Experimental Microsensor Study. Geomicrobiol. J. 32 (3-4) 304-315. Special Issue: Geobiology of Organo- and Biofilms. doi:10.1080/01490451.2014.885617.

  • Hallmann C., Friedenberger H., Hause-Reitner D., Hoppert M. 2015. Depth profiles of microbial colonization in sandstones. Geomicrobiol. J. 32 (3-4) 365-379. Special Issue: Geobiology of Organo- and Biofilms. doi:10.1080/01490451.2014.929762.

    • 2014

  • Windler M., Bova D., Kryvenda A., Straile D., Gruber A., Kroth P.G. 2014. Influence of bacteria on cell size development and morphology of cultivated diatoms. Phycol. Res. 62 (4) 269-281. doi: 10.1111/pre.12059.

  • Mudimu O., Rybalka N., Bauersachs T., Born J., Friedl T., Schulz R. 2014. Biotechnological Screening of Microalgal and Cyanobacterial Strains for Biogas Production and Antibacterial and Antifungal Effects. Metabolites 4 (2): 373-393. doi:10.3390/metabo4020373.

  • Patzelt D.J., Hodac L., Friedl T., Pietrasiak N., Johansen J.R. 2014. Biodiversity of soil cyanobacteria in the hyper-arid Atacama Desert, Chile. Journal of Phycology 50 (3): 698-710. doi:10.1111/jpy.12196.

  • Bazin P., Jouenne F., Friedl T., Deton-Cabanillas A.-F., Le Roy B., Véron B. 2014. Phytoplankton diversity and community composition along the estuarine gradient of a temperate macrotidal ecosystem: combined morphological and molecular approaches. PLoS ONE 03/2014. doi:10.1371/journal.pone.0094110.

  • Allan E., Bossdorf O., Dormann C.F., Prati D., Gossner M.M., Tscharntke T., Blüthgen N., Bellach M., Birkhofer K., Boch S., Böhm S., Börschig C., Chatzinotas A., Christ S., Daniel D., Diekötter T., Fischer C., Friedl T., Glaser K., Hallmann C., Hodac L. et al. 2014. Interannual variation in land-use intensity enhances grassland multidiversity. PNAS 111(1):308-313. doi:10.1073/pnas.1312213111.

    • 2013

  • Gutowski A., Friedl T., Büdel B. 2013. Obituary: Homo Phykophilos - Dieter Mollenhauer, December 29, 1937 - May 3, 2013. Protist 164: 837-841.

  • Rybalka N., Wolf M., Andersen R.A.; Friedl T. 2013. Congruence of chloroplast- and nuclear-encoded DNA sequence variations used to assess species boundaries in the soil microalga Heterococcus (Stramenopiles, Xanthophyceae). BMC Evol. Biol. 13 (39):1471-2148. doi: 10.1186/1471-2148-13-39.

  • Hallmann C., Stannek L., Fritzlar D., Hause-Reitner D., Friedl T., Hoppert M. 2013. Molecular diversity of phototrophic biofilms on building stone. FEMS Microbiology Ecology 84 (2): 355–372. doi:10.1111/1574-6941.12065

  • Hallmann C., Wedekind W., Hause-Reitner D., Hoppert M. 2013. Cryptogam covers on sepulchral monuments and re-colonization of a marble surface after cleaning. Environmental Earth Sciences 69 (4):1149-1160. doi:10.1007/s12665-012-2213-y.

    2012

  • Hodac L., Hallmann C., Rosenkranz H., Fasshauer F., Friedl T. 2012. Molecular Evidence for the Wide Distribution of Two Lineages of Terrestrial Green Algae (Chlorophyta) over Tropics to Temperate Zone. ISRN Ecology Vol. 2012 (2012), Article ID 795924. doi: 10.5402/2012/795924

  • Steudel B., Hector A., Friedl T., Löfke C., Lorenz M., Wesche M., Kessler M. 2012. Biodiversity effects on ecosystem functioning change along environmental stress gradients. Ecology Letters. 15 (12):1397-1405. doi: 10.1111/j.1461-0248.2012.01863.x

  • Friedl T., Lorenz M. 2012. The Culture Collection of Algae at Göttingen University (SAG): A Biological Resource for Biotechnological and Biodiversity Research. Procedia Environmental Sciences 15:110-117. doi: 10.1016/j.proenv.2012.05.015

  • Friedl T., Rybalka N. 2012. Systematics of the Green Algae: A Brief Introduction to the Current Status. In: Lüttge U. et al. (eds.) Progress in Botany 73: 252-280. doi: 10.1007/978-3-642-22746-2

  • Friedl T., Rybalka N., Kryvenda A. 2012. Phylogeny and systematics of microalgae: An overview. In: Posten C., Walter C. (eds.) Microalgal Biotechnology: Potential and Production. De Gruyter, Berlin.

  • Markert S.M., Müller T., Koetschan C., Friedl T., Wolf M. 2012. 'Y'Scenedesmus (Chlorophyta, Chlorophyceae): the internal transcribed spacer 2 rRNA secondary structure re-revisited. Plant Biology 14 (6): 987-996. doi: 10.1111/j.1438-8677.2012.00576.x

    • 2011

  • Abdel-Basset R.,Friedl T., Mohr K.I., Rybalka N., Martin W. (2011) High growth rate, photosynthesis rate and increased hydrogen(ases) in manganese deprived cells of a newly isolated Nostoc-like cyanobacterium (SAG 2306). International Journal of Hydrogen Energy 36 (19): 12200-E-Seite.

  • Hallmann C., Rüdrich J., Enseleit M., Friedl T., Hoppert M. 2011. Microbial diversity on a marble monument - a case study. Environ Earth Sci 63 (7-8): 1701-1711. doi:10.1007/s12665-010-0772-3.

  • Hallmann C., Fritzlar D., Stannek L., Hoppert M. 2011. Ascomycete fungi on dimension stone of the "Burg Gleichen", Thuringia. Environ Earth Sci 63: 1713-1722.

  • Lang I., Hodac L; Friedl T.; Feussner I. 2011. Fatty acid profiles and their distribution patterns in microalgae: a comprehensive analysis of more than 2000 strains from the SAG culture collection. BMC Plant Biology: 11 (1).

  • Nacke H., Thürmer A., Wollherr A., Will C., Hodac L., Herold N., Schöning I., Schrumpf M., Daniel R. 2011. Pyrosequencing-Based Assessment of Bacterial Community Structure Along Different Management Types in German Forest and Grassland Soils. PLoS ONE 6(2): e17000. doi:10.1371/journal.pone.0017000.

  • Nemcová Y., Eliás M., Skaloud P., Hodac L. Neustupa, J. 2011. Jenufa gen. nov.: a new genus of coccoid green algae (Chlorophyceae, incertae sedis) previously recorded by environmental sequencing. Journal of Phycology 47(4): 928-938.. doi:10.1111/j.1529-8817.2011.01009.x.

  • Rindi F., Mikhailyuk T.I., Sluiman H.J., Friedl T., López-Bautista J.M. 2011. Phylogenetic relationships in Interfilum and Klebsormidium (Klebsormidiophyceae, Streptophyta). Mol. Phylogenet. Evol. 58(2):14. doi:10.1016/j.ympev.2010.11.030.

  • Thüs H., Muggia L., Pérez-Ortega S., Favero-Longo S.E., Joneson S., O’Brien H., Nelsen M.P., Duque-Thüs R., Grube M., Friedl T., Brodie J., Andrew C.J., Lücking R., Lutzoni F., Gueidan C. (2011) Revisiting photobiont diversity in the lichen family Verrucariaceae (Ascomycota). Eur. J. Phycol. 46 (4) : 399-415. doi:10.1080/09670262.2011.629788.

  • Weber B., Scherr C., Bicker F., Friedl T., Büdel B. 2011: Respiration-induced weathering patterns of two endolithically growing lichens. Geobiology 9: 34-43.

    • 2010

  • Hoppert M., Hallmann C., Stannek L., Fritzlar D., Einseleit M. 2010. Makro-Mikroflora in Fuge und Gestein. In: Siegesmund S., Hoppert M. (Ed.). Die Drei Gleichen- Baudenkmäler und Naturraum. Edition Leipzig, Leipzig, pp 254-263.

  • Harding K., Müller J., Timmermann H., Lorenz M., Day J.G., Friedl T. 2010. Encapsulation dehydration colligative cryoprotective strategies and amplified fragment length polymorphism markers to verify the identity and genetic stability of Euglenoids following cryopreservation. Cryoletters 31 (6): 460-472.

  • Novis P.M., Lorenz M., Broady P.A., Flint E.A. 2010. Parallela Flint: its phylogenetic position in the Chlorophyceae and the polyphyly of Radiofilum Schmidle. Phycologia 49: 373–383.

  • Arp G., Bissett A., Brinkmann N., Cousin S., de Beer D., Friedl T., Mohr K.I., Neu T.R., Reimer A., Fumito Shiraishi F. , Stackebrandt, F., Zippel B. 2010. Tufa-forming biofilms of German karstwater streams: Microorganisms, exopolymers, hydrochemistry and calcification. Geological Society of London Special Publications 336: 83-118.

  • Darienko T., Gustavs L., Mudimu O., Rad Menedez C., Schumann R., Karsten U., Friedl T., Pröschold T. 2010. Chloroidium, a common terrestrial coccoid green alga previously assigned to Chlorella (Trebouxiophyceae, Chlorophyta). European Journal of Phycology 45: 79-95.

  • Day J.G., Pröschold T., Friedl T., Lorenz M., Silva P. 2010. Conservation of microalgal type material: approaches needed for 21st century science. Taxon 59(1): 3-6.

  • Hegewald E., Wolf M., Keller A., Friedl T., Krienitz L. 2010. ITS2 sequence-structure phylogeny in the Scenedesmaceae with special reference on Coelastrum (Chlorophyta, Chlorophyceae). Phycologia 49: 325-335.

  • Suutari M., Majaneva M., Fewer D.P., Voirin B., Aiello A., Friedl T., Chiarello A.G., Blomster J. 2010. Molecular evidence for a diverse green algal community growing in the hair of sloths. BMC Evolutionary Biology 10:86 (http://www.biomedcentral.com/1471-2148/10/86)

  • Pniewski F., Friedl T., Latala A. 2010. Identification of diatom isolates from the Gulf of Gdansk: testing of species identifications using morphology, 18S rDNA sequencing and DNA barcodes of strains from the Culture Collection of Baltic Algae (CCBA). Oceanological and Hydrobiological Studies 39(3): 3-20. doi:10.2478/v10009-010-0031-7.

    • 2009

  • Büdel B., Darienko T., Deutschewitz K., Dojani S., Friedl T., Mohr K.I., Salisch M., Reisser W., Weber B. 2009. Southern African Biological Soil Crusts are ubiquitous and highly diverse in drylands, being restricted by rainfall frequency. Microbial Ecology 57: 229-247. doi:10.1007/s00248-008-9449-9.

  • Darienko T., Friedl T., Pröschold T. 2009. Desmochloris mollenhaueri, a new terrestrial ulvophycean alga from south-west African soils (Molecular phylogeny and systematics of terrestrial Ulvophyceae I.). Algological Studies 129: 25-40.

  • Letsch M.R., Muller-Parker G., Friedl T., Lewis L.A. 2009. Elliptochloris marina sp. nov. (Trebouxiophyceae, Chlorophyta), symbiotic green alga of the temperate pacific sea anemones Anthopleura xanthogrammica and A. elegantissima (Anthozoa, Cnidaria). Journal of Phycology 47: 1127 - 1135. doi: 10.1111/j.1529-8817.2009.00727.x.

  • Rybalka N., Andersen R.A., Kostikov I., Mohr K.I., Massalski A., Olech M.,Friedl T. 2009. Testing for endemism, genotypic diversity and species concepts in Antarctic terrestrial microalgae of the Tribonemataceae (Stramenopiles, Xanthophyceae). Environmental Microbiology 11(3): 554 -565. doi:10.1111/j.1462-2920.2008.01787.x.

    • 2008

  • Harding K., Müller J., Lorenz M., Timmermann H., Friedl T., Day J.G., Benson E.E. 2008. Deployment of the encapsulation/dehydration protocol to cryopreserve microalgae held at the Sammlung von Algenkulturen, Universität Göttingen, Germany. CryoLetters. 29(1): 15-20.

  • Friedl T., Büdel B. 2008. Photobionts. In: Nash T. H. (Ed.), Lichen biology, 2nd. Cambridge University Press, Cambridge, pp. 9-26.

  • Sluiman H.J., Guihal C., Mudimu O. 2008. Assessing phylogenetic affinities and species delimination in Klebsormidiales (Streptophyta): Nuclear-encoded rDNA phylogenies and its secondary structure models in Klebsormidium, Hormidiella, and Entransia. J.Phycol. 44:183-195.

  • Mikhailyuk T.I., Sluiman H.J., Massalski A., Mudimu O., Demchenko E.M., Kondratyuk S.Y., Friedl T. 2008. New streptophyte green algae from terrestrial habitats and an assessment of the genus Interfilum (Klebsormidiophyceae, Streptophyta). J.Phycol. 44: 1586-1603.

  • Siegesmund M., Johansen J. R., Karsten U., Friedl T. 2008. Coleofasciculus gen. nov. (Cyanobacteria): morphological and molecular criteria for revision of the genus Microcoleus Gomont. J. Phycol. 44: 1572-1585.

    • 2007

  • Day J.G., Lorenz M., Wilding T.A., Friedl T., Harding K., Pröschold T., Brennan D., Müller J., Santos L.M.A., Santos M.F., Osório H.C., Amaral R., Lukešová A., Hrouzek P., Lukeš M., Elster J., Lukavský J., Probert I., Ryan M.J., Benson E.E. 2007. The use of physical and virtual infrastructures for the validation of algal cryopreservation methods in international culture collections. CryoLetters. 28: 359-376.

  • Friedl T., Büdel B. 2007. Photobionts. In: Nash T. H. (Ed.), Lichen biology, 2nd. Cambridge University Press, Cambridge, pp. 9-26.

  • Hauck M., Helms G., Friedl T. 2007. Photobiont selectivity in the epiphytic lichens Hypogymnia physodes and Lecanora conizaeoides. The Lichenologist. 39: 195-204.

  • Hegewald E., Padisák J., Friedl T. 2007. Pseudotetraedriella kamillae: taxonomy and ecology of a new member of the algal class Eustigmatophyceae (Stramenopiles). Hydrobiologia. 586: 107-116.

  • Müller J., Day J.G., Harding K., Hepperle D., Lorenz M., Friedl T. 2007. Assessing genetic stability of a range of terrestrial microalgae after cryopreservation using amplified fragment length polymorphism (AFLP). American Journal of Botany 94: 799-808.

  • Rindi F., McIvor L., Sherwood A.R., Friedl T., Guiry M.D., Sheath R.G. 2007. Molecular phylogeny of the green algal order Prasiolales (Trebouxiophyceae, Chlorophyta). Journal of Phycology 43: 811-823.

  • Vanormelingen P., Hegewald E., Braband A.,Kitschke M., Friedl T., Sabbe K., Vyverman W. 2007. The systematics of a small spineless Desmodesmus species, D. costato-granulatus (Sphaeropleales, Chlorophyceae), based on ITS2 rDNA sequence analyses and cell wall morphology. Journal of Phycology 43: 378-396.

    • 2006

  • Day J.G., Müller J., Comte K., Friedl T., Rippka R., Pröschold T., Harding K., Benson E.E. 2006. Phenotypic and genotypic stability of cryopreserved algal and cyanobacterial cultures: A prerequisite for taxonomic and systematic studies. Cryobiolog. 53: 430-431.

    • 2005

  • Day J.G., Benson E.E., Harding K., Knowles B., Idowu M., Bremner D., Santos L., Santos F., Friedl T., Lorenz M., Lukesova A., Elster J., Lukavsky J., Herdman M., Rippka R., Hall T. 2005. Cyropreservation and conservation of microalgae: The development of a pan european scientific and biotechnical resource (the COBRA project). CryoLetters 26: 231-238.

  • Karsten U., Friedl T., Schumann R., Hoyer K., Lembcke S. 2005a. Mycosporine-like amino acids (MAAs) and phylogenies in green algae: Prasiola and its relatives from the Trebouxiophyceae (Chlorophyta). Journal of Phycology 41: 557-566.

  • Karsten U., Schumann R., Häubner N., Friedl T. 2005b. Aeroterrestrische Mikroalgen – Lebensraum Fassade. Biologie in unserer Zeit. 35: 20-30.

  • Lorenz M., Friedl T., Day J.G. 2005. Perpetual maintenance of actively metabolizing microalgal cultures. In: Andersen R. A. (Ed.), Algal Culturing Techniques. Academic Press, New York, pp. 145-155.

  • Müller J., Friedl T., Hepperle D., Lorenz M. , Day J.G. 2005. Distinction between multiple isolates of Chlorella vulgaris (Chlorophyta, Trebouxiophyceae) and testing for conspecificity using Amplified Fragment Length Polymorphism and its rDNA sequences. Journal of Phycology 41(6): 1236–1247. doi:10.1111/j.1529-8817.2005.00134.x.

    • 2004

  • Behnke A., Friedl T., Chepurnov V.A., Mann D.G. 2004. Reproductive compatibility and rDNA sequence analyses in the Sellaphora pupula species complex (Bacillariophyta). Journal of Phycology 40: 193-208.

  • Comte K., Rippka R., Friedl T., Day J.G., Tandeau de Marsac N., Herdman M. 2004. Assessment of genotypic identity of cyanobacterial strains in culture collections using HIP1-based primers. Nova Hedwigia 79: 293-312.

  • Day J.G., Lukavský J., Friedl T., Brand J.J., Campbell C.N., Lorenz M., Elster J. 2004. Pringsheim's living legacy: CCALA, CCAP, SAG. Nova Hedwigia 79: 27-38.

  • Harding K., Day J.G., Lorenz M., Timmermann H., Friedl T., Bremner D.J., Benson E.E. 2004. Introducing the concept and application of vitrification for the cryo-conservation of algae - a mini-review. Nova Hedwigia 79: 207-226.

  • Jahn R., Kusber W.-H., Medlin L. K., Crawford R.M., Lazarus D., Friedl T., Hepperle D., Beszteri B., Hamann K., Hinz F., Strieben S., Huck V., Kasten J., Jobst A., Glück K. 2004. Taxonomic, molecular and ecological information on diatoms: The information system AlgaTerra. In: Poulin M. (Ed.), Seventeenth International Diatom Symposium 2002. Biopress, Bristol, pp. 121-128.

    • 2003

  • Helms G., Friedl T., Rambold G. 2003. Phylogenetic relationships of the Physciaceae inferred from rDNA sequence data and selected phenotypic characters. Mycologia 95: 1078-1099.

    • 2002

  • Bhattacharya D., Friedl T., Helms G. 2002. Vertical evolution and intragenic spread of lichen-fungal group I introns. Journal of Molecular Evolution 55: 74-84.

  • Fewer D., Friedl T., Büdel B. 2002. Chroococcidiopsis and heterocyst-differentiating cyanobacteria are each other's closest living relatives. Molecular Phylogenetics and Evolution. 23: 82-90.

  • Friedl T. , Bhattacharya D. 2002. Origin and evolution of green lichen algae. In: Seckbach J. (Ed.), Symbiosis. Kluwer Academic Publishers, Dordrecht, pp. 341-357.

  • Friedl T. , O'Kelly C.J. 2002. Phylogenetic relationships of green algae assigned to the genus Planophila (Chlorophyta): evidence from 18S rDNA sequence data and ultrastructure. European Journal of Phycology 37: 373-384.

  • Jahn R., Kusber W.-H., Medlin L.K., Crawford R.M., Lazarus D., Friedl T., Hepperle D., Beszteri B., Hamann K., Hinz F., Strieben S., Huck V., Kasten J., Jobst A., Glück K. 2002. Taxonomic, molecular and ecological information on diatoms: The information system AlgaTerra. Seventeenth International Diatom Symposium 2002. 121-128.

  • Romeike J., Friedl T., Helms G., Ott S. 2002. Genetic diversity of algal and fungal partners in four species of Umbilicaria (lichenized ascomycetes) along a transect of the Antarctic Peninsula. Molecular Biology and Evolution 19: 1209-1217.

    • 2001

  • Krienitz L., Ustinova I., Friedl T., Huss V.A.R. 2001. Traditional generic concepts versus 18S rRNA gene phylogeny in the green algal family Selenastraceae (Chlorophyceae, Chlorophyta). Journal of Phycology 37: 852-865. doi: 10.1046/j.1529-8817.2001.01004.x

  • Geiss U., Vinnemeier J., Kunert A., Lindner I., Gemmer B., Lorenz M., Hagemann M., Schoor A. 2001 Detection of the isiA Gene across Cyanobacterial Strains: Potential for Probing Iron Deficiency. Applied and Environmental Microbiology 67 (11): 5247-5253. doi:10.1128/AEM.67.11.5247-5253.2001