People

High School:

1997 - 2003: Gymnázium Boženy Němcové, Hradec Králové

Higher education:

Bachelor:

• 2003 - 2006: Faculty of Biology, University of South Bohemia

Bachelor thesis: Periphytic Cyanobacteria of the Everglades (Florida) and their relation to water chemistry and different substrata

Supervisor: Jan Kaštovský

(PDF download – 14,8 MB)

Master:

• 2006 - 2009: Faculty of Science, University of South Bohemia

Master thesis: Combined morphological and molecular approach to the assessment of Ulva (Chlorophyta, Ulvophyceae) in the Czech Republic.

Supervisor: Jan Kaštovský

(PDF download - 14 MB)

Doctoral:

• 2009 - 2015: Faculty of Science, University of South Bohemia

Doctoral thesis: Polyphasic approach to the taxonomy of selected cyanobacteria.

Školitel: Jan Kaštovský

Scientific interests:

• Diversity and phylogeny of algae and Cyanobacteria, taxonomy of Cyanobacteria, molecular phylogeny, bioinformatics and genomics of Cyanobacteria

History of employment:

• 2014 - now: Biology Centre CAS, v.v.i., department of Hydrobiology

• 2013 - now: Institute of Microbiology CAS, v.v.i. (Třeboň)

• 2011 - 2017: Institute of Botany CAS, v.v.i. (Třeboň)

• 2010, 2012 - now: Faculty of Science, University of South Bohemia

Grants:

• 2022-2024: GA ČR 22-05478S „Iron monopolization versus community service: the two faces of cyanobacterial beta-hydroxy aspartate lipopeptides“, co-principal investigator

• 2022-2024: GA ČR 22-06374S „Consolidating cyanobacterial systematics through harmonization of polyphasic and genomic taxonomy“, principal investigator

• 2019-2021: GA ČR 19-21649J „Hunting down the Eagle Killer – Investigations into the cyanotoxin causing avian vacuolar myelinopathy“, principal investigator

• 2016–2018: GAČR 16-09381S „Bioactive cyanobacterial lipopeptides: genome mining, detection, and structure-activity relationships“, co-principal investigator

Publications:

• OREN A., MAREŠ J., RIPPKA R. (2022). Validation of the names Cyanobacterium and Cyanobacterium stanieri, and proposal of Cyanobacteriota phyl. nov. - International Journal of Systematic and Evolutionary Microbiology 72:005528.

• MASUDA T., INOMURA K., MAREŠ J., PRÁŠIL, O. (2022). Crocosphaera watsonii. - Trends in Microbiology 30:805-806.

• SAHA S., BULZU P., URAJOVÁ P., MAREŠ J., KONERT G., MANOEL J.C., MACHO M. , EWE D., HROUZEK P., MASOJÍDEK J., GHAI R., SAURAV K. (2021). Quorum-sensing signals from epibiont mediate the induction of novel microviridins in the mat-forming cyanobacterial genus Nostoc. - mSphere 6 : e00562-21.

• NĚMEČKOVÁ K., CULKA A., NĚMEC I., EDWARDS H.G.M., MAREŠ J., JEHLIČKA J. (2021). Raman spectroscopic search for scytonemin and gloeocapsin in endolithic colonizations in large gypsum crystals. - Journal of Raman Spectroscopy 52 : 2633–2647.

• HAUEROVÁ R., HAUER T., KAŠTOVSKÝ J., KOMÁREK J., LEPŠOVÁ-SKÁCELOVÁ O., MAREŠ J. (2021). Tenebriella gen. nov. – The dark twin of Oscillatoria. - Molecular Phylogenetics and Evolution 165 : 107293.

• GALICA T., BORBONE N., MAREŠ J., KUST A., CASO A., ESPOSITO G., SAURAV K., HÁJEK J., ŘEHÁKOVÁ K., URAJOVÁ P., COSTANTINO V., HROUZEK P. (2021). Cyanochelins, an overlooked class of widely distributed cyanobacterial siderophores, discovered by silent gene cluster awakening. - Applied and Environmental Microbiology 87, e03128-20.

• BREINLINGER S., PHILLIPS T. J., HARAM B. N., MAREŠ J., MARTÍNEZ YERENA J. A., HROUZEK P., SOBOTKA R., HENDERSON W. M., SCHMIEDER P., WILLIAMS S. M., LAUDERDALE J. D., WILDE H. D., GERRIN W., KUST A., WASHINGTON J. W., WAGNER C., GEIER B., LIEBEKE M., ENKE H., NIEDERMAYER T.H.J., WILDE S. B. (2021). Hunting the eagle killer: A cyanobacterial neurotoxin causes vacuolar myelinopathy. - Science 371(6536): eaax9050.

• CHEN G. E., HITCHCOCK A., MAREŠ J., GONG Y., TICHÝ M., PILNÝ J., KOVÁŘOVÁ L., ZDVIHALOVÁ B., XU J., HUNTER C.N. & Sobotka, R. (2021). Evolution of Ycf54-independent chlorophyll biosynthesis in cyanobacteria. - Proceedings of the National Academy of Sciences of the United States of America 118(10): e2024633118.

• SAHA S., ESPOSITO G., URAJOVÁ P., MAREŠ J., EWE D., CASO A., MACHO M., DELAWSKÁ K., KUST A., HROUZEK P., JURÁŇ J., COSTANTINO V., SAURAV K. 2020: Discovery of unusual cyanobacterial tryptophan-containing anabaenopeptins by MS/MS-based molecular networking. - Molecules 25: 3786.

• KUST A., ŘEHÁKOVÁ K., VRBA J., MAICHER V., MAREŠ J., HROUZEK P., CHIRIAC C.M., BENEDOVÁ Z., TESAŘOVÁ B., SAURAV K. 2020: Insight into unprecedented diversity of cyanopeptides in eutrophic ponds using an MS/MS networking approach. - Toxins 12: 561.

• JEHLIČKA J., CULKA A., MAREŠ J. (2020). Raman spectroscopic screening of cyanobacterial chasmoliths from crystalline gypsum — The Messinian crisissediments from Southern Sicily. - Journal of Raman spectroscopy 51: 1802-1812.

• CHMELÍK D., HROUZEK P., FEDORKO J., VU D.L., URAJOVÁ P., MAREŠ J., ČERVENÝ J. (2019). Accumulation of cyanobacterial oxadiazine nocuolin A is enhanced by temperature shift during cultivation and is promoted by bacterial co-habitants in the culture. - Algal Research 44:101673.

• PAZDERNÍK M., MAREŠ J., PILNÝ J., SOBOTKA R. (2019). The antenna-like domain of the cyanobacterial ferrochelatase can bind chlorophyll and carotenoids in an energy-dissipative configuration. - Journal of Biological Chemistry 294:11131-11143.

• JEHLIČKA J., CULKA A., MAREŠ J. (2019). Raman spectroscopic screening of cyanobacterial chasmoliths from crystalline gypsum — The Messinian crisissediments from Southern Sicily. - Journal of Raman spectroscopy. DOI: 10.1002/jrs.5671

• MAREŠ J., JOHANSEN J.R., HAUER T., ZIMA J. Jr., VENTURA S., CUZMAN O., TIRIBILLI B. & KAŠTOVSKÝ J. (2019). Taxonomic resolution of the genus Cyanothece (Chroococcales, Cyanobacteria), with a treatment on Gloeothece and three new genera, Crocosphaera, Rippkaea, and Zehria. - Journal of Phycology 55: 578-610.

• MAREŠ J., STRUNECKÝ O., BUČINSKÁ L., WIEDERMANNOVÁ J. (2019). Evolutionary patterns of thylakoid architecture in cyanobacteria. - Frontiers in Microbiology 10: 277. Doi: 10.3389/fmicb.2019.00277

• MAREŠ J., HÁJEK J., URAJOVÁ P., KUST A., JOKELA J., SAURAV K., GALICA T., ČAPKOVÁ K., MATTILLA A., HAAPANIEMI E., PERMI P., MYSTERUD I., SKULBERG O.M., KARLSEN J., FEWER D.P., SIVONEN K., TONNESEN H., HROUZEK P. (2019). Alternative biosynthetic starter units enhance the structural diversity of cyanobacterial lipopeptides. - Applied and Environmental Microbiology 85:e02675-18. doi:10.1128/AEM.02675-18.

• SABER A., MAREŠ J., GUELLA G., ANESI A., ŠTENCLOVÁ L. & CANTONATI M. (2018). Polyphasic approach to a characteristic Ulva population from a limno–rheocrenic, mineral (chloride, sodium, sulphate) spring in the Siwa Oasis (Western Desert of Egypt). - Fottea 18: 227-242.

• KUST A., MAREŠ J., JOKELA J., URAJOVÁ P., HÁJEK J., SAURAV K., VORÁČOVÁ K., FEWER D.P., HAAPANIEMI E., PERMI P., ŘEHÁKOVÁ K., SIVONEN K. & HROUZEK P. (2018). Discovery of a pederin family compound in a nonsymbiotic bloom-forming cyanobacterium. - ACS Chemical Biology 13:1123-1129.

• KUST A., URAJOVÁ P., HROUZEK P., LONG VU D., ČAPKOVÁ K., ŠTENCLOVÁ L., ŘEHÁKOVÁ K., KOZLÍKOVÁ-ZAPOMĚLOVÁ E., LEPŠOVÁ-SKÁCELOVÁ O., LUKEŠOVÁ A. & MAREŠ J. (2018). A new microcystin producing Nostoc strain discovered in broad toxicological screening of non-planktic Nostocaceae (cyanobacteria). - Toxicon 150: 66-73.

• ROTT E., PENTECOST A. & MAREŠ J. (2018). Introduction: Recent developments in cyanobacterial research with special reference to aquatic habitats, molecular ecology and phylogenetic taxonomy. Hydrobiologia 811:1-6.

• MAREŠ J. (2018). Multilocus and SSU rRNA gene phylogenetic analyses of available cyanobacterial genomes, and their relation to the current taxonomic system - Hydrobiologia 811: 19-34. DOI: 10.1007/s10750-017-3373-2.

• JOHANSEN J. R., MAREŠ J., PIETRASIAK N., BOHUNICKÁ M., ZIMA J., Jr., ŠTENCLOVÁ L. & HAUER T. (2017). Highly divergent 16S rRNA sequences in ribosomal operons of Scytonema hyalinum (Cyanobacteria). - PloS ONE 12(10): e0186393.

• SABER A. A., CANTONATI M., MAREŠ J., ANESI A. & GUELLA G. (2017). Polyphasic characterization of Westiellopsis prolifica (Cyanobacteria) from the El-Farafra Oasis (Western Desert, Egypt). - Phycologia 56(6):697-709.

• GALICA T., HROUZEK P. & MAREŠ J. (2017). Genome mining reveals high incidence of putative lipopeptide biosynthesis NRPS/PKS clusters containing fatty acyl-AMP ligase genes in biofilm-forming cyanobacteria. - Journal of Phycology 53:985-998.

• SHALYGIN S., SHALYGINA R., JOHANSEN J.R., PIETRASIAK N., BERRENDERO-GÓMEZ E., BOHUNICKÁ M., MAREŠ J. & SHEIL C.A. (2017): Cyanomargarita gen. nov. (Nostocales, Cyanobacteria): convergent evolution resulting in a cryptic genus. - Journal of Phycology 53:762-777.

• VORÁČOVÁ K., HÁJEK J., MAREŠ J., URAJOVÁ P., KUZMA M., CHEEL J., VILLUNGER A., KAPUSCIK A., BALLY M., NOVÁK P., KABELÁČ P., KRUMSCHNABEL G., LUKEŠ M., VOLOSHKO L., KOPECKÝ J. & HROUZEK P.(2017): The cyanobacterial metabolite nocuolin A is a natural oxadiazine that triggers apoptosis in human cancer cells. - PLoS ONE 12(3): e0172850. doi:10.1371/journal.pone.0172850

• ROSEN B. & MAREŠ J. (2016): Catalog of microscopic organisms of the Everglades, Part 1—The cyanobacteria: U.S. Geological Survey Open-File Report 2016 –1114, 108 p., http://dx.doi.org/10.3133/ofr20161114.

• MAREŠ J. & CANTONATI M. (2016): Phylogenetic position of Geitleribactron purpureum (Synechococcales, Cyanobacteria / Cyanophyceae) and its implications for the taxonomy of Chamaesiphonaceae and Leptolyngbyaceae. - Fottea 16:104-111.

• BOHUNICKÁ M., MAREŠ J., LUKEŠ M., HROUZEK P., URAJOVÁ P., ŠMARDA J., GAYSINA L.A. & STRUNECKÝ O. (2015): A combined morphological, ultrastructural, molecular, and biochemical study of the peculiar family Gomontiellaceae (Oscillatoriales) reveals a new cylindrospermopsin-producing clade of cyanobacteria. - Journal of Phycology 51:1040-1054.

• KUST A., KOZLÍKOVÁ-ZAPOMĚLOVÁ E., MAREŠ J. & ŘEHÁKOVÁ K. (2015): A detailed morphological, phylogenetic and ecophysiological analysis of four benthic Anabaena (Nostocales, Cyanobacteria) strains confirms deep heterogeneity within the genus. - Fottea 15:191-202.

• HAUER, T., MÜHLSTEINOVÁ, R., BOHUNICKÁ, M., KAŠTOVSKÝ, J. & MAREŠ, J. (2015): Diversity of cyanobacteria on rock surfaces. - Biodiversity and Conservation 24: 759-779.

• MAREŠ, J., LARA, Y., DADÁKOVÁ, I., HAUER, T., UHER, B., WILMOTTE, A. & KAŠTOVSKÝ, J. (2015): Phylogenetic analysis of cultivation-resistant terrestrial cyanobacteria with massive sheaths (Stigonema spp. and Petalonema alatum, Nostocales, Cyanobacteria) using single-cell and filament sequencing of environmental samples. - Journal of Phycology 51:288-297.

• KOMÁREK J., KAŠTOVSKÝ J., MAREŠ J. & JOHANSEN J.R. (2014).Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. - Preslia 86:295-335.

• HAUER T., BOHUNICKÁ M., JOHANSEN J.R., MAREŠ J. & BERRENDERO-GÓMEZ E. (2014). Reassessment of the cyanobacterial family Microchaetaceae and establishment of new families Tolypothrichaceae and Godleyaceae. - Journal of Phycology 50:1089-1100.

• MAREŠ J., HÁJEK J., URAJOVÁ P., KOPECKÝ J. & HROUZEK P. (2014). A Hybrid Non-Ribosomal Peptide/Polyketide Synthetase Containing Fatty-Acyl Ligase (FAAL) Synthesizes the β-Amino Fatty Acid Lipopeptides Puwainaphycins in the Cyanobacterium Cylindrospermum alatosporum. - PLoS ONE 9:e111904.

• ŘEHÁKOVÁ K., MAREŠ J., LUKEŠOVÁ A., ZAPOMĚLOVÁ E., BERNARDOVÁ K. & HROUZEK P. (2014). Nodularia (Cyanobacteria, Nostocaceae): a phylogenetically uniform genus with variable morphotypes. - Phytotaxa 172(3):235-246.

• MAREŠ J., CANTONATI M., GUELLA G. & SPITALE D. (2014). The benthic chlorophyte genus Jaoa (Ulvales), a putative China endemic, in Lake Garda, Italy: ecology, taxonomy, and molecular analyses. - Freshwater Science 33(2):593-605.

• MAREŠ J., HAUER T., KOMÁREK J.& COMPÈRE P. (2013). (2195) Proposal to conserve the name Gloeothece (Cyanophyceae) with a conserved type. Taxon 62:1056.

• MAREŠ J., KOMÁREK J., COMPÈRE P. & OREN A. (2013). (2194) Proposal to conserve the name Gloeobacter violaceus against Aphanothece caldariorum, Gloeothece coerulea, and Gloeothece linearis (Cyanophyceae). - Taxon 62:1055.

• VONDRÁK J., PALICE Z., MAREŠ J. & KOCOURKOVÁ J. (2013). Two superficially similar lichen crusts, Gregorella humida and Moelleropsis nebulosa, and a description of the new lichenicolous fungus Llimoniella gregorellae. - Herzogia 26:31-48.

• KOMÁREK J., SANT´ANNA C.L., BOHUNICKÁ M., MAREŠ J., HENTSCHKE G.S., RIGONATO J. & FIORE M.F. (2013). Phenotype diversity and phylogeny of selected Scytonema-species (Cyanoprokaryota) from SE Brazil. - Fottea 13:173-200.

• HROUZEK P., LUKEŠOVÁ A., MAREŠ J. & VENTURA S. (2013). Description of the cyanobacterial genus Desmonostoc gen. nov. including D. muscorum comb. nov. as a distinct, phylogenetically coherent taxon related to the genus Nostoc. - Fottea 13:201-213.

• MAREŠ J., KOMÁREK J., COMPÈRE P. & OREN A. (2013). Validation of the generic name Gloeobacter Rippka et al. 1974, Cyanophyceae. - Cryptogamie Algologie 34: 255-262.

• MAREŠ J., HROUZEK P., KAŇA R., VENTURA S., STRUNECKÝ O. & KOMÁREK J. (2013). The primitive thylakoid-less cyanobacterium Gloeobacter is a common rock-dwelling organism. – PloS ONE 8: e66323.

• KOMÁREK J. & MAREŠ J. (2012). An update to modern taxonomy (2011) of freshwater planktic heterocytous cyanobacteria. - Hydrobiologia 698-327-351.

• MAREŠ J., LESKINEN E., SITKOWSKA M., SKÁCELOVÁ O. & BLOMSTER J. (2011). True identity of the European freshwater Ulva (Chlorophyta, Ulvophyceae) revealed by a combined molecular and morphological approach. - Journal of Phycology 47:1177-1192.

• MAREŠ J. (2010). Anabaena fuscovaginata (Nostocales), a new cyanobacterial species from periphyton of the freshwater alkaline marsh of Everglades, South Florida, USA. - Fottea 10(2):235-243.

• KAŠTOVSKÝ J., HAUER T., MAREŠ J., KRAUTOVÁ M., BEŠTA T., KOMÁREK J., DESORTOVÁ B., HETEŠA J., HINDÁKOVÁ A., HOUK V., JANEČEK E., KOPP R., MARVAN P., PUMANN P., SKÁCELOVÁ O. & ZAPOMĚLOVÁ E. (2010). A review of the alien and expansive species of freshwater cyanobacteria and algae in the Czech Republic. - Biological Invasions 12:3599-3625.

• MAREŠ J., KAŠTOVSKÝ J., MCGREGOR G. & KOMÁREK J. (2008). The little known pseudofilamentous cyanobacterium Wolskyella (Synechococcales). - Nova Hedwigia 87(1-2):221-230.