helsinki.fi/portal/en/">Tuhat research portal.
Lingping Zhu 2022: Polyketide reductases in Gerbera hybrida
Teng Zhang 2021: Developmental Patterning of Asteraceae Flower Heads
Yafei Zhao 2018: Evolution of Asteraceae Inflorescence Development and CYC/TB1-Like Gene Functions
Kontturi Juha 2017: Type III Polyketide Synthases from Gerbera hybrida
Bashandy El Sayed Hany 2016: Flavonoid Metabolomics in Gerbera hybrida and Elucidation of Complexity in the Flavonoid Biosynthetic Pathway
Deng Xianbao 2013: Development and Application of Tobacco Rattle Virus Induced Gene Silencing in Gerbera hybrida
Broholm Suvi 2009: The Role of MADS and TCP Transcription Factors in Gerbera hybrida Flower Development
Ainasoja Miia 2008: Secondary metabolites in Gerbera hybrida
Laitinen Roosa 2006: The Gerbera cDNA Microarray: A Tool for Large-Scale Identification of Genes Involved in Flower Development
Kotilainen Mika 2000: Flower development in Gerbera hybrida, Asteraceae
Elomaa Paula 1996: Genetic modification of flavonoid pathway in ornamental plants
Helariutta Yrjö 1995: Developmental expression and molecular evolution of the flavonoid biosynthetic genes in Gerbera hybrida (Asteraceae)
Zhang T, Elomaa P (2021). Don't be fooled: false flowers in Asteraceae. Current Opinion in Plant Biology 59: 101972. https://doi.org/10.1016/j.pbi.2020.09.006
Elomaa P, Zhao Y, Zhang T (2018). Flower heads in Asteraceae - recruitment of conserved developmental regulators to control the flower-like inflorescence architecture. Horticulture Research 5: 36. https://rdcu.be/2dQv
Broholm SK, Teeri TH, Elomaa P (2014). Molecular control of inflorescence development in Asteraceae. In J-P Jacquot & P Gadal (Serial Eds.) & F Fornara (Serial Vol. Ed.) Advances in Botanical Research: Vol. 72. The molecular genetics of floral transition and flower development. pp. 297-334, Academic Press, Elsevier Ltd.
Teeri TH, Kotilainen M, Uimari A, Ruokolainen S, Ng YP, Malm U, Pöllänen E, Broholm S, Laitinen R, Elomaa P, Albert VA (2006). Floral developmental genetics of Gerbera (Asteraceae). Advances in Botanical Research 44: 323-351.
Teeri TH, Elomaa P, Kotilainen M, Albert VA (2006). Mining plant diversity: Gerbera as a model system for plant developmental and biosynthetic research. BioEssays 28: 756-767.
Teeri TH, Uimari A, Kotilainen M, Laitinen R, Help H, Elomaa P, Albert VA: Reproductive meristem fates in Gerbera (2006). Journal of Experimental Botany 57: 3445-3455.
Teeri TH, Elomaa P (2003). Genetic modification, applications. Flower color. In: Encyclopedia of Applied Biosciences (eds Thomas, B., Murphy, D.J. and Murray, B.G.), Academic Press, pp. 406-413.
Teeri TH, Albert VA, Elomaa PE, Hämäläinen J, Kotilainen M, Pöllänen E, Uimari A (2002). Involvement of non-ABC MADS-box genes in determining stamen and carpel identity in Gerbera hybrida (Asteraceae). In: Developmental Genetics and Plant Evolution (eds QCB Cronk, RM Bateman and JA Hawkins), Taylor & Francis, London, pp. 220-232.
Elomaa P, Teeri TH (2001). Transgenic Gerbera. In: Biotechnology in Agriculture and Forestry, Vol. 48, Transgenic Crops III (ed. by YPS Bajaj). Springer-Verlag Berlin Heidelberg, pp. 139-154.
Kotilainen M, Albert VA, Elomaa P, Helariutta Y, Koskela S, Mehto M, Pöllänen E, Yu D, Teeri TH (1999). Flower development and secondary metabolism in Gerbera hybrida, an Asteraceae. Minireview of research activity. Flowering Newsletter 28: 20-31.
Zhao Y, Pfannebecker K, Dommes AB, Hidalgo O, Becker A, Elomaa P: Evolutionary diversification of CYC/TB1-like TCP homologs and their recruitment for the control of branching and floral morphology in Papaveraceae (basal eudicots). New Phytologist 220, 317-331 (2018). http://dx.doi.org/10.1111/nph.15289
Zhang T, Zhao Y, Juntheikki I, Mouhu K, Broholm SK, Rijpkema AS, Kins L, Lan T, Albert VA, Teeri TH, Elomaa P: Dissecting functions of SEPALLATA-like MADS box genes in patterning of the pseudanthial inflorescence of Gerbera hybrida. New Phytologist 216: 939-954 (2017), http://dx.doi.org/10.1111/nph.14707
Kontturi J, Osama R, Deng X, Bashandy H, Albert VA, Teeri TH: Functional characterization and expression of GASCL1 and GASCL2, two anther-specific chalcone synthase like enzymes from Gerbera hybrida. Phytochemistry 134: 38-45 (2017). http://dx.doi.org/10.1016/j.phytochem.2016.11.002
Pietiäinen M, Kontturi J, Paasela T, Deng X, Ainasoja M, Nyberg P, Hotti H, Teeri TH: Two polyketide synthases are responsible for 4-hydroxy- 5-methylcoumarin biosynthesis in Gerbera hybrida. The Plant Journal 87: 548-558 (2016). http://dx.doi.org/10.1111/tpj.13216
Zhao Y, Zhang T, Broholm SK, Tähtiharju S, Mouhu K, Albert VA, Teeri TH, Elomaa P: Evolutionary co-option of floral meristem identity genes for patterning of the flower-like Asteraceae inflorescence. Plant Physiology 172: 284-296 (2016). http://dx.doi.org/10.1104/pp.16.00779
Bashandy H, Pietiäinen M, Carvalho E, Lim K-J, Elomaa P, Martens S, Teeri TH: Anthocyanin biosynthesis in gerbera cultivar ‘Estelle’ and its asyanic sport ‘Ivory’. Planta 242: 610-611 (2015). http://dx.doi.org/10.1007/s00425-015-2349-6
Deng X, Bashandy H, Ainasoja M, Kontturi J, Pietiäinen M, Laitinen RAE, Valkonen JPT, Elomaa P, Teeri TH: Functional diversification of duplicated chalcone synthase genes in anthocyanin biosynthesis of Gerbera hybrida. New Phytologist 201: 1469-1483 (2014). http://dx.doi.org/10.1111/nph.12610
Juntheikki-Palovaara I, Tähtiharju S, Lan T, Broholm SK, Rijpkema AS, Ruonala R, Kale L, Albert VA, Teeri TH, Elomaa P: Functional diversification of duplicated CYC2 clade genes in regulation of inflorescence development in Gerbera hybrida (Asteraceae). The Plant Journal 79: 783-796 (2014). http://dx.doi.org/10.1111/tpj.12583
Deng X, Kelloniemi J, Haikonen T, Vuorinen AL, Elomaa P, Teeri TH, Valkonen J: Modification of Tobacco rattle virus RNA1 to serve as a VIGS vector reveals that the 29K protein is an RNA silencing suppressor of the virus. Molecular Plant-Microbe Interactions 26: 503-514 (2013). http://dx.doi.org/10.1094/MPMI-12-12-0280-R
Deng X, Elomaa P, Nguyen C, Hytönen T, Valkonen JPT, Teeri TH: Virus-induced gene silencing for Asteraceae – a reverse genetics approach for functional genomics in Gerbera hybrida. Plant Biotechnology Journal 10:970-978 (2012). http://dx.doi.org/10.1111/j.1467-7652.2012.00726.x
Tähtiharju S, Rijpkema A, Broholm S, Teeri TH, Albert VA, Elomaa P: Evolution and diversification of the CYC/TB1 gene family in Asteraceae – a comparative study in gerbera (Mutisieae) and sunflower (Heliantheae). Molecular Biology and Evolution 29: 1155-1166 (2012). http://dx.doi.org/10.1093/molbev/msr283
Koskela S, Söderholm P, Ainasoja M, Wennberg T, Klika KD, Ovcharenko VV, Kylänlahti I, Auerma T, Yli-Kauhaluoma J, Pihlaja K, Vuorela P, Teeri TH: Polyketide derivatives active against Botrytis cinerea in Gerbera hybrida. Planta, 233: 37-48 (2011).
Ruokolainen S, Ng YP, Albert VA, Elomaa P, Teeri TH: Over-expression of the Gerbera hybrida At-SOC1-like1 gene Gh-SOC1 leads to floral organ identity deterioration. Annals of Botany 107, 1491-1499 (2011). http://dx.doi.org/10.1093/aob/mcr112
Ruokolainen S, Ng YP, Albert VA, Elomaa P, Teeri TH: Large scale interaction analysis predicts that the Gerbera hybrida floral E function is provided both by general and specialized proteins. BMC Plant Biology 10, 129 (2010). http://dx.doi.org/ 10.1186/1471-2229-10-129
Ruokolainen S, Ng YP, Broholm S, Albert VA, Elomaa P, Teeri TH: Characterization of SQUAMOSA-like genes in Gerbera hybrida, including one involved in reproductive transition. BMC Plant Biology 10, 128 (2010). http://dx.doi.org/10.1186/1471-2229-10-128
Broholm SK, Pöllänen E, Ruokolainen S, Tähtiharju S, Kotilainen M, Albert VA, Elomaa P, Teeri TH: Functional characterization of B class MADS-box transcription factors in Gerbera hybrida. Journal of Experimental Botany 61: 75-85 (2009). http://dx.doi.org/10.1093/jxb/erp279
Fallarero A, Ainasoja M, Sandberg M, Teeri TH, Vuorela P: GT1-7 cell- based cytoxicity screening assay on 96-well microplates as a platform for the safety assessment of genetically modified Gerbera hybrida assays. Drug and Chemical Toxicology, 32:120-127 (2009).
Ainasoja MM, Pohjala LL, Tammela PSM, Somervuo PJ, Vuorela PM, Teeri TH: Comparison of transgenic Gerbera hybrida lines and traditional varieties shows no differences in cytotoxicity or metabolic fingerprints. Transgenic Research 17: 793 - 803 (2008).
Broholm SK, Tähtiharju S, Laitinen RAE, Albert VA, Teeri TH, Elomaa P: A TCP domain transcription factor controls flower type specification along the radial axis of the Gerbera (Asteraceae) inflorescence. Proc. Natl. Acad. Sci. USA 105: 9117-9122 (2008). http://dx.doi.org/10.1073/pnas.0801359105
Laitinen RAE, Ainasoja M, Broholm S, Teeri TH, Elomaa P: Identification of target genes for a MYB-type anthocyanin regulator in Gerbera hybrida. Journal of Experimental Botany 59: 3691-3703 (2008). http://dx.doi.org/10.1093/jxb/ern216
Laitinen RAE, Pöllänen E, Teeri TH, Elomaa P, Kotilainen M: Transcriptional analysis of petal organogenesis in Gerbera hybrida. Planta 226: 347-360 (2007). http://dx.doi.org/10.1007/s00425-007-0486-2
Toikkanen JH, Niku-Paavola M-L, Bailey M, Immanen J, Rintala E, Elomaa P, Helariutta Y, Teeri TH, Fagerström R: Expression of xyloglucan endotransglycosylases of Gerbera hybrida and Betula pendula in Pichia pastoris. Journal of Biotechnology 130: 161- 170 (2007). http://dx.doi.org/10.1016/j.jbiotec.2007.03.004
Laitinen RAE, Broholm S, Albert VA, Teeri TH, Elomaa P: Patterns of MADS-box gene expression mark flower-type development in Gerbera hybrida (Asteraceae). BMC Plant Biology 6: 11 (2006). http://dx.doi.org/10.1186/1471-2229-6-11
Teeri TH, Uimari A, Kotilainen M, Laitinen R, Help H, Elomaa P, Albert VA: Reproductive meristem fates in Gerbera. Journal of Experimental Botany 57: 3445-3455 (2006). http://dx.doi.org/10.1093/jxb/erl181
Laitinen RAE, Immanen J, Auvinen P, Rudd S, Alatalo E, Paulin L, Ainasoja M, Kotilainen M, Koskela S, Teeri TH, Elomaa P: Analysis of the floral transcriptome uncovers new regulators of organ determination and gene families related to flower organ differentiation in Gerbera hybrida (Asteraceae). Genome Research 15: 475-486 (2005). http://dx.doi.org/10.1101/gr.3043705
Uimari A, Kotilainen M, Elomaa P, Yu D, Albert VA, Teeri TH: Integration of reproductive meristem fates by a SEPALLATA-like MADS box gene. Proc.Natl.Acad. Sci. USA 101: 15817-15822 (2004). http://dx.doi.org/10.1073/pnas.0406844101
Elomaa P, Uimari A, Mehto M, Albert VA, Laitinen RAE, Teeri TH: Activation of anthocyanin biosynthesis in Gerbera hybrida (Asteraceae) suggests conserved protein-protein and protein-promoter interactions between the anciently diverged monocots and eudicots. Plant Physiology 133: 1831-1842 (2003). http://dx.doi.org/10.1104/pp.103.026039
Yrjönen T, Vuorela P, Klika KD, Pihlaja K, Teeri, TH, Vuorela H: Application of centrifugal force to the extraction and separation of parasorboside and gerberin from Gerbera hybrida. Phytochemical Analysis, 13:349-353 (2002)
Kotilainen M, Elomaa P, Uimari A, Albert VA, Yu D, Teeri TH: GRCD1, an AGL2-like MADS box gene, participates in the C function during stamen development in Gerbera hybrida. The Plant Cell 12: 1893-1902 (2000). http://dx.doi.org/10.1105/tpc.12.10.1893
Kotilainen M, Albert VA, Elomaa P, Helariutta Y, Koskela S, Mehto M, Pöllänen E, Yu D, Teeri TH: Flower development and secondary metabolism in Gerbera hybrida, an Asteraceae. Minireview of research activity. Flowering Newsletter 28: 20-31 (1999).
Kotilainen M, Helariutta Y, Mehto M, Pöllänen E, Albert VA, Elomaa P, Teeri TH: GEG participates in the regulation of cell and organ shape during corolla and carpel development in Gerbera hybrida. The Plant Cell 11: 1093-1104 (1999). http://dx.doi.org/10.1105/tpc.11.6.1093
Yu D, Kotilainen M, Pöllänen E, Mehto M, Elomaa P, Helariutta Y, Albert VA, Teeri TH: Organ identity genes and modified patterns of flower development in Gerbera hybrida (Asteraceae). The Plant Journal 16: 51-62 (1999). http://dx.doi.org/10.1046/j.1365-313X.1999.00351.x
Eckermann S, Schröder G, Schmidt J, Strack D, Edrada RA, Helariutta Y, Elomaa P, Kotilainen M, Kilpeläinen I, Proksch P, Teeri TH, Schröder J: New pathway to polyketides in plants. Nature 396: 387-390 (1998). http://dx.doi.org/10.1038/24652
Elomaa P, Mehto M, Kotilainen M, Helariutta Y, Nevalainen L, Teeri TH: A bHLH transcription factor mediates organ, region and flower type specific signals on dihydroflavonol-4-reductase (dfr) gene expression in the inflorescence of Gerbera hybrida (Asteraceae). The Plant Journal 16: 93 - 99 (1998). http://dx.doi.org/10.1046/j.1365-313x.1998.00273.x
Elomaa P, Helariutta Y, Kotilainen M, Teeri TH: Transformation of antisense constructs of the chalcone synthase gene superfamily into Gerbera hybrida: differential effect on the expression of family members. Molecular Breeding 2: 41-50 (1996)
Helariutta Y, Kotilainen M, Elomaa P, Kalkkinen N, Bremer K, Teeri TH, Albert VA: Duplication and functional divergence in the chalcone synthase gene family of Asteraceae: evolution with substrate change and catalytic simplification. Proc.Natl.Acad. Sci. USA 93: 9033-9038 (1996)
Elomaa P, Helariutta Y, Kotilainen M, Seppänen P, Teeri TH: Transgene inactivation in Petunia hybrida in influenced by the properties of the foreign gene. Mol Gen Genet 248: 649-656 (1995)
Helariutta Y, Elomaa P, Kotilainen M, Griesbach RJ, Schröder J, Teeri TH: Chalcone synthase like genes active during corolla development are differentially expressed and encode enzymes with different catalytic properties in Gerbera hybrida. Plant Mol Biol 28: 47-60 (1995)
Helariutta Y, Kotilainen M, Elomaa P, Teeri TH: Gerbera hybrida (Asteraceae) imposes regulation at several anatomical levels during inflorescence development on the gene for dihydroflavonol-4-reductase. Plant Mol Biol 28:935-941 (1995)
Kotilainen M, Helariutta Y, Elomaa P, Paulin L, Teeri TH: A corolla- and carpel-abundant, non-specific lipid transfer protein gene is expressed in the epidermis and parenchyma of Gerbera hybrida var. Regina (Compositae). Plant Mol Biol 26:971-978 (1994)
Elomaa P, Honkanen J, Puska R, Seppänen P, Helariutta Y, Mehto M, Kotilainen M,Nevalainen L, Teeri TH: Agrobacterium-mediated transfer of antisense chalcone synthase cDNA to Gerbera hybrida inhibits flower pigmentation. Bio/Technology 11:508-511 (1993). http://dx.doi.org/10.1038/nbt0493-508
Helariutta Y, Elomaa P, Kotilainen M, Seppänen P, Teeri TH: Cloning of cDNA coding for dihydroflavonol-4-reductase (DFR) and characterization of dfr expression in the corollas of Gerbera hybrida (Compositae). Plant Mol Biol 22:183-193 (1993)