See veebileht kasutab küpsiseid kasutaja sessiooni andmete hoidmiseks. Veebilehe kasutamisega nõustute ETISe kasutustingimustega. Loe rohkem
Olen nõus

Katrin Viigand

https://etis.ee/CV/Katrin_Viigand/est
737 5015
katrin.viigand@gmail.com

Teenistuskäik

Töökohad ja ametid
01.01.2019–...   
Crown CRO OÜ, Kliiniliste ravimuuringute monitor (0,50)
01.02.2016–31.03.2017   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, molekulaar- ja rakubioloogia instituut, mikroobse glükobiotehnoloogia teadur (0,60)
01.06.2015–31.08.2015   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Molekulaar- ja Rakubioloogia Instituut, spetsialist (0,80)
01.10.2006–31.12.2006   
Tartu Ülikool, Bioloogia-geograafiateaduskond, Molekulaar- ja rakubioloogia instituut, geneetika erakorraline teadur (0,25)
 
 
Haridustee
2006–2018   
Tartu Ülikool, PhD mikrobioloogias
2004–2006   
Tartu Ülikool, MSc mikrobioloogias
2000–2004   
Tartu Ülikool, BSc mikrobioloogias
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
2006−2019   
Kaasjuhendaja bakalaureuse- ja magistritudengitele
 
 
Lisainfo
Osalemine projektis SLOMR12215T - Uudsete levaansukraaskatalüsaatorite disain ja kasutamine funktsionaalsete toidulisandite tootmiseks (01.10.2012-31.08.2015)

Kvalifikatsioon

Teaduskraadid
Katrin Viigand, doktorikraad, 2018, (juh) Tiina Alamäe, Utilization of α-glucosidic sugars by Ogataea (Hansenula) polymorpha (α-glükosiidsete suhkrute kasutamine pärmil Ogataea (Hansenula) polymorpha), Tartu Ülikool, Loodus- ja täppisteaduste valdkond, molekulaar- ja rakubioloogia instituut.
Katrin Viigand, magistrikraad (teaduskraad), 2006, (juh) Tiina Alamäe, Hansenula polymorpha MAL-lookus, Tartu Ülikool, Bioloogia-geograafiateaduskond, Molekulaar- ja rakubioloogia instituut.
 
 
Teaduspreemiad ja tunnustused
2004, Katrin Viigand, Eesti Teaduste Akadeemia üliõpilastööde II auhind uurimistöö "Hansenula polymorpha maltaasi geeni promootor: regulatsiooni uurimine ja tugevuse hindamine"
 
 
Teadustöö põhisuunad
ETIS KLASSIFIKAATOR: 1. Bio- ja keskkonnateadused; 1.2. Mikrobioloogia; CERCS KLASSIFIKAATOR: B230 Mikrobioloogia, bakterioloogia, viroloogia, mükoloogia
ETIS KLASSIFIKAATOR: 1. Bio- ja keskkonnateadused; 1.1. Biokeemia; CERCS KLASSIFIKAATOR: P310 Proteiinid, ensümoloogia
ETIS KLASSIFIKAATOR: 4. Loodusteadused ja tehnika; 4.16. Biotehnoloogia (loodusteadused ja tehnika); CERCS KLASSIFIKAATOR: T490 Biotehnoloogia

Lõppenud projektid

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2020
Visnapuu, Triinu; Meldre, Aivar; Põšnograjeva, Kristina; Viigand, Katrin; Ernits, Karin; Alamäe, Tiina (2020). Characterization of a Maltase from an Early-Diverged Non-Conventional Yeast Blastobotrys adeninivorans. International Journal of Molecular Sciences, 21 (1), 297. DOI: 10.3390/ijms21010297.
3.1.
2020
Alamäe, Tiina; Viigand, Katrin; Põšnograjeva, Kristina (2020). Utilization of α-Glucosidic Disaccharides by Ogataea (Hansenula) polymorpha: Genes, Proteins, and Regulation. In: A. Sibirny (Ed.). Non-conventional Yeasts: from Basic Research to Application (1−22). Springer. DOI: 10.1007/978-3-030-21110-3_1.
5.2.
2019
Põšnograjeva,K.; Viigand, K.; Alamäe, T. (2019). Genome Mining of Non-Conventional Yeasts: Search of MAL Clusters and Novel α-Glucosidases.
1.1.
2018
Viigand, Katrin; Posnograjeva, Kristina; Visnapuu, Triinu; Alamae, Tiina (2018). Genome Mining of Non-Conventional Yeasts: Search and Analysis of MAL Clusters and Proteins. Genes, 9 (7, 354), ARTN 354.10.3390/genes9070354.
2.3.
2018
Viigand, Katrin (2018). Utilization of α-glucosidic sugars by Ogataea (Hansenula) polymorpha. (Doktoritöö, University of Tartu). Tartu: University of Tartu Press.
5.2.
2018
Põšnograjeva, Kristina; Visnapuu, Triinu; Meldre, Aivar; Sova, Emma Johanna; Viigand, Katrin; Alamäe, Tiina (2018). Transglycosylation of disaccharides by Ogataea polymorpha maltase. In: Non-conventional yeats: from basic research to application (122−122).Non-conventional yeats: from basic research to application. University of Rzeszow, Poland. May 15-18, 2018.
5.2.
2018
Alamäe, Tiina; Viigand, Katrin; Põšnograjeva, Kristina (2018). MAL oci of nonconventional yeasts: from phylogeny to practical applications. In: Non-conventional yeasts: from basic research to application (79−79).Non-conventional yeasts: from basic research to application. Rzeszow, Poland. May 15-18, 2018.
1.1.
2017
Mardo, Karin; Visnapuu, Triinu; Vija, Heiki; Aasamets, Anneli; Viigand, Katrin; Alamäe, Tiina (2017). A Highly Active Endo-Levanase BT1760 of a Dominant Mammalian Gut Commensal Bacteroides thetaiotaomicron Cleaves Not Only Various Bacterial Levans, but Also Levan of Timothy Grass. PLoS ONE, 12 (1), e0169989−e0169989. DOI: 10.1371/journal.pone.0169989.
1.2.
2017
Ernits, Karin; Viigand,Katrin; Visnapuu, Triinu; Põšnograjeva, Kristina; Alamäe, Tiina (2017). Thermostability Measurement of an α-Glucosidase Using a Classical Activity-based Assay and a Novel Thermofluor Method. BIO-PROTOCOL, 7 (12). DOI: 10.21769/BioProtoc.2349.
5.2.
2017
Alamäe, Tiina; Viigand, Katrin; Põšnograjeva, Kristina (2017). Genomic clustering of MAL genes in yeasts. FEMS 7th Microbiology Congress abstract book: FEMS 7th Microbiology Congress, 9-13 July 2017 Valencia, Spain. FEMS,.
5.2.
2017
Ernits, Karin; Visnapuu, Triinu; Viigand, Katrin; Alamäe, Tiina (2017). BACTEROIDES THETAIOTAOMICRON ENDO-LEVANASE IN ACTION: DEGRADATION OF BACTERIAL AND PLANT LEVANS. FEMS Microbiology Congress 2017, Valencia, Spain, 9-13 July 2017. FEMS Microbiology Congress 2017 Abstract book: FEMS,.
5.2.
2017
Põšnograjeva, K.; Viigand, K.; Visnapuu, T.; Ernits, K.; Alamäe, T. (2017).

In vitro design of variants of ancient-like maltase protein of an earlier-diverged yeast Ogataea polymorpha

. In: 44th Annual Conference on Yeast; Smolenice; 2 – 5 May 2017.44th Annual Conference on Yeast; Smolenice, Slovakia; 2 – 5 May 2017.
1.1.
2016
Viigand, Katrin; Visnapuu, Triinu; Mardo, Karin; Aasamets Anneli; Alamäe, Tiina (2016). Maltase protein of Ogataea (Hansenula) polymorpha is a counterpart to resurrected ancestor protein ancMALS of yeast maltases and isomaltases. Yeast, 33 (8), 415−432. DOI: 10.1002/yea.3157.
5.1.
2016
Alamäe, Tiina; Mardo, Karin; Viigand, Katrin; Visnapuu, Triinu. (2016). Three sugar-acting proteins worth of crystallization and structure solving. New Biotechnology, 33: 17th European Congress on Biotechnology; Krakov, Poland; 3-6.07.2016. ELSEVIER, S44. DOI: 10.1016/j.nbt.2016.06.878.
5.1.
2016
Mardo, Karin; Visnapuu, Triinu; Aasamets, Anneli; Viigand, Katrin; Bondarenko, Olesja; Vija, Heiki; Adamberg Kaarel; Adamberg, Signe; Alamäe, Tiina. (2016). Enzymatic synthesis and ways of further treatment of fructooligosaccharides and polymeric levan for prebiotic efficiency studies. New Biotechnology, 33: 17th European Congress on Biotechnology; Krakov, Poland; 3-6.07.2016. ELSEVIER, S122−123. DOI: 10.1016/j.nbt.2016.06.1148.
5.2.
2016
Viigand, Katrin; Mardo, Karin; Visnapuu, Triinu; Alamäe, Tiina (2016). Ancient properties, mutagenesis and applications of the maltase-isomaltase MAL1 of Ogataea polymorpha. The 6th Symposium on the Alpha-Amylase Family - ALAMY_6; Smolenice Castle, Slovakia, September 11-15, 2016. Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, 63−63.
5.2.
2016
Põšnograjeva, K.; Viigand, K.; Mardo, K.; Alamäe, T. (2016). In vitro design of variants of ancient-like maltase protein of an earlier-diverged yeast Ogataea polymorpha. In: 3rd Congress of Baltic Microbiologists, Vilnius, 18-21 October 2016.3rd Congress of Baltic Microbiologists, Vilnius, 18-21 October 2016.
5.2.
2015
Viigand, Katrin; Visnapuu, Triinu; Mardo, Karin; Alamäe, Tiina (2015). Evolution of yeast maltases: the Hansenula polymorpha maltase HpMAL1 is a "living" representative of in silico predicted ancestral maltase proteins. VI Baltic Genetics Congress, 30.09-03.10.2015, Tartu, Estonia.
5.2.
2015
Jõgi, Erik; Viigand, Katrin; Metsla, Kati; Visnapuu, Triinu; Vija, Heiki; Alamäe, Tiina (2015). Yeast-aided Purification of Levansucrase-produced Prebiotic Fructooligosaccharides. 32nd International Specialized Symposium on Yeasts, 13-17 September 2015, Perugia, Italy.
5.2.
2015
Viigand, Katrin; Visnapuu, Triinu; Alamäe, Tiina. (2015). Genomic MAL locus of a methylotrophic yeast Hansenula polymorpha: disclosing the role of MAL-activator genes. 32nd International Specialized Symposium on Yeasts, 13-17 September 2015, Perugia, Italy.
1.1.
2014
Mardo, Karin; Visnapuu, Triinu; Gromkova, Maria; Aasamets, Anneli; Viigand, Katrin; Vija, Heiki; Alamäe, Tiina. (2014). High-Throughput Assay of Levansucrase Variants in Search of Feasible Catalysts for the Synthesis of Fructooligosaccharides and Levan. Molecules, 19 (6), 8434−8455.10.3390/molecules19068434.
5.2.
2014
Viigand, Katrin; Alamäe, Tiina (2014). Genomic MAL locus of a methylotrophic yeast Hansenula polymorpha: disclosing the role of MAL-activator genes. 2nd Congress of Baltic Microbiologists, Tartu, 16.10-19.10.2014.
5.2.
2014
Visnapuu, Triinu; Mardo, Karin; Viigand, Katrin; Jõgi, Eerik; Alamäe, Tiina. (2014). Levansucrase Lsc3 of Pseudomonas syringae pv. tomato: comparison with levansucrase of Erwinia amylovora. The 13th Int Conf on Plant Pathogenic Bacteria, 8-13 June 2014 and The 3rd Int Erwinia Workshop, 7-8 June 2014; Shanghai.
1.1.
2013
Suppi, S; Michelson, T; Viigand, K; Alamäe, T. (2013). Repression vs. activation of MOX, FMD, MPP1 and MAL1 promoters by sugars in Hansenula polymorpha: the outcome depends on cell’s ability to phosphorylate sugar. FEMS Yeast Research, 13 (2), 219−232.10.1111/1567-1364.12023.
5.1.
2013
Alamae, T.; Suppi, S.; Viigand, K.; Michelson, T. (2013). A nonconventional yeast Hansenula polymorpha behaves nonconventionally: activation of glucose-repressible promoters by glucose. 26th International Conference on Yeast genetics and Molecular Biology; Frankfurt/Main, Germany; 29.08-03.09. 2013. 226−226.
5.2.
2008
Alamäe, T.; Mäe, A.; Viigand, K. (2008). Utilization of disaccharides in Hansenula polymorpha: comparison with other yeast species. Book of Abstracts: 12th International Congress on Yeasts: 12th International Congress on Yeasts; Kyiv, Ukraine; 11-15 August 2008. 315−315.
5.2.
2008
Viigand, K.; Tammus, K.; Michelson, T.; Alamäe, T. (2008). Gene clusters in yeast: Hansenula polymorpha MAL locus. Book of abstracts: 12th International Congress on Yeasts; Kyiv, Ukraine; 11-15 August 2008. 333.
5.2.
2008
Visnapuu, T.; Lõhmus, A.; Viigand, K.; Alamäe, T. (2008). Hansenula polymorpha maltase gene promoter: properties and applications for the production of biotechnologically important proteins. IUMS 2008; XII Congress of Bacteriology and Applied Microbiology; Istanbul, Turkey; 5.-8.August 2008.
1.1.
2007
Viigand, K.; Alamae, T. (2007). Further study of the Hansenula polymorpha MAL locus: characterization of the alpha-glucoside permease encoded by the HpMAL2 gene. FEMS Yeast Research, 7 (7), 1134−1144. DOI: 10.1111/j.1567-1364.2007.00257.x.
5.2.
2007
Viigand, K.; Tammus, K.; Alamäe, T. (2007). The alpha-glucoside permease encoded by the Hansenula polymorpha genomic MAL locus. 3rd European Federation of Biotechnology Conference on Physiology of Yeasts and Filamentous Fungi (PYFF3); Helsinki, Finland; 13-16 June.
3.4.
2006
Viigand, K.; Tammus, K.; Alamäe, T. (2006). Further characterisation of the MAL locus of Hansenula polymorpha. 4th Hansenula polymorpha Worldwide Network Conference; Haren, the Netherlands; 3-5 September.
6.7.
2006
Viigand, K. (2006). Hansenula polymorpha MAL-lookus. . Tartu.
1.1.
2005
Viigand, K.; Tammus, K.; Alamae, T. (2005). Clustering of MAL genes in Hansenula polymorpha: Cloning of the maltose permease gene and expression from the divergent intergenic region between the maltose permease and maltase genes. FEMS Yeast Research, 5 (11), 1019−1028.
5.2.
2005
Alamäe, T.; Viigand, K.; Rätsep, B.; Tammus, K. (2005). The MAL locus of Hansenula polymorpha is organized similarly to respective gene clusters of other yeasts and hides a divergent promoter with a biotechnological potential. XXIIth International Conference on Yeast Genetics and Molecular Biology; Bratislava, Slovakia; 7-12 August.
3.5.
2004
Viigand, K.; Rätsep, B.; Alamäe, T. (2004). The Hansenula polymorpha maltase gene promoter: regulation, expression, comparison with other promoters and possibilities for application. Third H. polymorpha Worldwide Network Conference, Porto Conte Ricerche Alghero, Sardinia; 25-29 September. 165−173.
1.1.
2003
Alamae, T.; Parn, P.; Viigand, K.; Karp, H. (2003). Regulation of the Hansenula polymorpha maltase gene promoter in H-polymorpha and Saccharomyces cerevisiae. FEMS Yeast Research, 4 (2), 165−173.
30.03.2020

Katrin Viigand

https://etis.ee/CV/Katrin_Viigand/eng
737 5015
katrin.viigand@gmail.com

Career

Institutions and positions
01.01.2019–...   
Crown CRO OÜ, Clinical Research Associate (0,50)
01.02.2016–31.03.2017   
University of Tartu, Faculty of Science and Technology, Institute of Molecular and Cell Biology, Research Fellow (0,60)
01.06.2015–31.08.2015   
University of Tartu, Faculty of Science and Technology (old), Institute of Molecular and Cell Biology, University of Tartu, Specialist (0,80)
01.10.2006–31.12.2006   
University of Tartu, Faculty of Biology and Geography, Institute of Molecular and Cell Biology, Research Fellow extraordinarius (0,25)
 
 
Education
2006–2018   
University of Tartu, Microbiology, PhD
2004–2006   
University of Tartu, Microbiology, MSc
2000–2004   
University of Tartu, Microbiology, BSc
 
 
R&D related managerial and administrative work
2006−2019   
Supervisor of BSc and MSc students
 
 
Additional information
Participation in the project SLOMR12215T (2012-2015) “Design and application of novel levansucrase catalysts for the production of functional food ingredients”

Qualifications

Academic degrees
Katrin Viigand, Doctor's Degree, 2018, (sup) Tiina Alamäe, Utilization of α-glucosidic sugars by Ogataea (Hansenula) polymorpha, University of Tartu, Faculty of Science and Technology, Institute of Molecular and Cell Biology.
Katrin Viigand, Research Master's Degree, 2006, (sup) Tiina Alamäe, Hansenula polymorpha MAL-lookus (Hansenula polymorpha MAL-locus), University of Tartu, Faculty of Biology and Geography, Institute of Molecular and Cell Biology.
 
 
Honours & awards
2004, Katrin Viigand, Estonian Academy of Sciences II award for research "Hansenula polymorpha maltase gene promoter: regulation and evaluation of strenght"
 
 
Fields of research
ETIS CLASSIFICATION: 1. Biosciences and Environment; 1.2. Microbiology; CERCS CLASSIFICATION: B230 Microbiology, bacteriology, virology, mycology
ETIS CLASSIFICATION: 1. Biosciences and Environment; 1.1. Biochemistry; CERCS CLASSIFICATION: P310 Proteins, enzymology
ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.16. Biotechnology relating to Natural Sciences and Engineering; CERCS CLASSIFICATION: T490 Biotechnology
 
 

Completed projects

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2020
Visnapuu, Triinu; Meldre, Aivar; Põšnograjeva, Kristina; Viigand, Katrin; Ernits, Karin; Alamäe, Tiina (2020). Characterization of a Maltase from an Early-Diverged Non-Conventional Yeast Blastobotrys adeninivorans. International Journal of Molecular Sciences, 21 (1), 297. DOI: 10.3390/ijms21010297.
3.1.
2020
Alamäe, Tiina; Viigand, Katrin; Põšnograjeva, Kristina (2020). Utilization of α-Glucosidic Disaccharides by Ogataea (Hansenula) polymorpha: Genes, Proteins, and Regulation. In: A. Sibirny (Ed.). Non-conventional Yeasts: from Basic Research to Application (1−22). Springer. DOI: 10.1007/978-3-030-21110-3_1.
5.2.
2019
Põšnograjeva,K.; Viigand, K.; Alamäe, T. (2019). Genome Mining of Non-Conventional Yeasts: Search of MAL Clusters and Novel α-Glucosidases.
1.1.
2018
Viigand, Katrin; Posnograjeva, Kristina; Visnapuu, Triinu; Alamae, Tiina (2018). Genome Mining of Non-Conventional Yeasts: Search and Analysis of MAL Clusters and Proteins. Genes, 9 (7, 354), ARTN 354.10.3390/genes9070354.
2.3.
2018
Viigand, Katrin (2018). Utilization of α-glucosidic sugars by Ogataea (Hansenula) polymorpha. (Doktoritöö, University of Tartu). Tartu: University of Tartu Press.
5.2.
2018
Põšnograjeva, Kristina; Visnapuu, Triinu; Meldre, Aivar; Sova, Emma Johanna; Viigand, Katrin; Alamäe, Tiina (2018). Transglycosylation of disaccharides by Ogataea polymorpha maltase. In: Non-conventional yeats: from basic research to application (122−122).Non-conventional yeats: from basic research to application. University of Rzeszow, Poland. May 15-18, 2018.
5.2.
2018
Alamäe, Tiina; Viigand, Katrin; Põšnograjeva, Kristina (2018). MAL oci of nonconventional yeasts: from phylogeny to practical applications. In: Non-conventional yeasts: from basic research to application (79−79).Non-conventional yeasts: from basic research to application. Rzeszow, Poland. May 15-18, 2018.
1.1.
2017
Mardo, Karin; Visnapuu, Triinu; Vija, Heiki; Aasamets, Anneli; Viigand, Katrin; Alamäe, Tiina (2017). A Highly Active Endo-Levanase BT1760 of a Dominant Mammalian Gut Commensal Bacteroides thetaiotaomicron Cleaves Not Only Various Bacterial Levans, but Also Levan of Timothy Grass. PLoS ONE, 12 (1), e0169989−e0169989. DOI: 10.1371/journal.pone.0169989.
1.2.
2017
Ernits, Karin; Viigand,Katrin; Visnapuu, Triinu; Põšnograjeva, Kristina; Alamäe, Tiina (2017). Thermostability Measurement of an α-Glucosidase Using a Classical Activity-based Assay and a Novel Thermofluor Method. BIO-PROTOCOL, 7 (12). DOI: 10.21769/BioProtoc.2349.
5.2.
2017
Alamäe, Tiina; Viigand, Katrin; Põšnograjeva, Kristina (2017). Genomic clustering of MAL genes in yeasts. FEMS 7th Microbiology Congress abstract book: FEMS 7th Microbiology Congress, 9-13 July 2017 Valencia, Spain. FEMS,.
5.2.
2017
Ernits, Karin; Visnapuu, Triinu; Viigand, Katrin; Alamäe, Tiina (2017). BACTEROIDES THETAIOTAOMICRON ENDO-LEVANASE IN ACTION: DEGRADATION OF BACTERIAL AND PLANT LEVANS. FEMS Microbiology Congress 2017, Valencia, Spain, 9-13 July 2017. FEMS Microbiology Congress 2017 Abstract book: FEMS,.
5.2.
2017
Põšnograjeva, K.; Viigand, K.; Visnapuu, T.; Ernits, K.; Alamäe, T. (2017).

In vitro design of variants of ancient-like maltase protein of an earlier-diverged yeast Ogataea polymorpha

. In: 44th Annual Conference on Yeast; Smolenice; 2 – 5 May 2017.44th Annual Conference on Yeast; Smolenice, Slovakia; 2 – 5 May 2017.
1.1.
2016
Viigand, Katrin; Visnapuu, Triinu; Mardo, Karin; Aasamets Anneli; Alamäe, Tiina (2016). Maltase protein of Ogataea (Hansenula) polymorpha is a counterpart to resurrected ancestor protein ancMALS of yeast maltases and isomaltases. Yeast, 33 (8), 415−432. DOI: 10.1002/yea.3157.
5.1.
2016
Alamäe, Tiina; Mardo, Karin; Viigand, Katrin; Visnapuu, Triinu. (2016). Three sugar-acting proteins worth of crystallization and structure solving. New Biotechnology, 33: 17th European Congress on Biotechnology; Krakov, Poland; 3-6.07.2016. ELSEVIER, S44. DOI: 10.1016/j.nbt.2016.06.878.
5.1.
2016
Mardo, Karin; Visnapuu, Triinu; Aasamets, Anneli; Viigand, Katrin; Bondarenko, Olesja; Vija, Heiki; Adamberg Kaarel; Adamberg, Signe; Alamäe, Tiina. (2016). Enzymatic synthesis and ways of further treatment of fructooligosaccharides and polymeric levan for prebiotic efficiency studies. New Biotechnology, 33: 17th European Congress on Biotechnology; Krakov, Poland; 3-6.07.2016. ELSEVIER, S122−123. DOI: 10.1016/j.nbt.2016.06.1148.
5.2.
2016
Viigand, Katrin; Mardo, Karin; Visnapuu, Triinu; Alamäe, Tiina (2016). Ancient properties, mutagenesis and applications of the maltase-isomaltase MAL1 of Ogataea polymorpha. The 6th Symposium on the Alpha-Amylase Family - ALAMY_6; Smolenice Castle, Slovakia, September 11-15, 2016. Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, 63−63.
5.2.
2016
Põšnograjeva, K.; Viigand, K.; Mardo, K.; Alamäe, T. (2016). In vitro design of variants of ancient-like maltase protein of an earlier-diverged yeast Ogataea polymorpha. In: 3rd Congress of Baltic Microbiologists, Vilnius, 18-21 October 2016.3rd Congress of Baltic Microbiologists, Vilnius, 18-21 October 2016.
5.2.
2015
Viigand, Katrin; Visnapuu, Triinu; Mardo, Karin; Alamäe, Tiina (2015). Evolution of yeast maltases: the Hansenula polymorpha maltase HpMAL1 is a "living" representative of in silico predicted ancestral maltase proteins. VI Baltic Genetics Congress, 30.09-03.10.2015, Tartu, Estonia.
5.2.
2015
Jõgi, Erik; Viigand, Katrin; Metsla, Kati; Visnapuu, Triinu; Vija, Heiki; Alamäe, Tiina (2015). Yeast-aided Purification of Levansucrase-produced Prebiotic Fructooligosaccharides. 32nd International Specialized Symposium on Yeasts, 13-17 September 2015, Perugia, Italy.
5.2.
2015
Viigand, Katrin; Visnapuu, Triinu; Alamäe, Tiina. (2015). Genomic MAL locus of a methylotrophic yeast Hansenula polymorpha: disclosing the role of MAL-activator genes. 32nd International Specialized Symposium on Yeasts, 13-17 September 2015, Perugia, Italy.
1.1.
2014
Mardo, Karin; Visnapuu, Triinu; Gromkova, Maria; Aasamets, Anneli; Viigand, Katrin; Vija, Heiki; Alamäe, Tiina. (2014). High-Throughput Assay of Levansucrase Variants in Search of Feasible Catalysts for the Synthesis of Fructooligosaccharides and Levan. Molecules, 19 (6), 8434−8455.10.3390/molecules19068434.
5.2.
2014
Viigand, Katrin; Alamäe, Tiina (2014). Genomic MAL locus of a methylotrophic yeast Hansenula polymorpha: disclosing the role of MAL-activator genes. 2nd Congress of Baltic Microbiologists, Tartu, 16.10-19.10.2014.
5.2.
2014
Visnapuu, Triinu; Mardo, Karin; Viigand, Katrin; Jõgi, Eerik; Alamäe, Tiina. (2014). Levansucrase Lsc3 of Pseudomonas syringae pv. tomato: comparison with levansucrase of Erwinia amylovora. The 13th Int Conf on Plant Pathogenic Bacteria, 8-13 June 2014 and The 3rd Int Erwinia Workshop, 7-8 June 2014; Shanghai.
1.1.
2013
Suppi, S; Michelson, T; Viigand, K; Alamäe, T. (2013). Repression vs. activation of MOX, FMD, MPP1 and MAL1 promoters by sugars in Hansenula polymorpha: the outcome depends on cell’s ability to phosphorylate sugar. FEMS Yeast Research, 13 (2), 219−232.10.1111/1567-1364.12023.
5.1.
2013
Alamae, T.; Suppi, S.; Viigand, K.; Michelson, T. (2013). A nonconventional yeast Hansenula polymorpha behaves nonconventionally: activation of glucose-repressible promoters by glucose. 26th International Conference on Yeast genetics and Molecular Biology; Frankfurt/Main, Germany; 29.08-03.09. 2013. 226−226.
5.2.
2008
Alamäe, T.; Mäe, A.; Viigand, K. (2008). Utilization of disaccharides in Hansenula polymorpha: comparison with other yeast species. Book of Abstracts: 12th International Congress on Yeasts: 12th International Congress on Yeasts; Kyiv, Ukraine; 11-15 August 2008. 315−315.
5.2.
2008
Viigand, K.; Tammus, K.; Michelson, T.; Alamäe, T. (2008). Gene clusters in yeast: Hansenula polymorpha MAL locus. Book of abstracts: 12th International Congress on Yeasts; Kyiv, Ukraine; 11-15 August 2008. 333.
5.2.
2008
Visnapuu, T.; Lõhmus, A.; Viigand, K.; Alamäe, T. (2008). Hansenula polymorpha maltase gene promoter: properties and applications for the production of biotechnologically important proteins. IUMS 2008; XII Congress of Bacteriology and Applied Microbiology; Istanbul, Turkey; 5.-8.August 2008.
1.1.
2007
Viigand, K.; Alamae, T. (2007). Further study of the Hansenula polymorpha MAL locus: characterization of the alpha-glucoside permease encoded by the HpMAL2 gene. FEMS Yeast Research, 7 (7), 1134−1144. DOI: 10.1111/j.1567-1364.2007.00257.x.
5.2.
2007
Viigand, K.; Tammus, K.; Alamäe, T. (2007). The alpha-glucoside permease encoded by the Hansenula polymorpha genomic MAL locus. 3rd European Federation of Biotechnology Conference on Physiology of Yeasts and Filamentous Fungi (PYFF3); Helsinki, Finland; 13-16 June.
3.4.
2006
Viigand, K.; Tammus, K.; Alamäe, T. (2006). Further characterisation of the MAL locus of Hansenula polymorpha. 4th Hansenula polymorpha Worldwide Network Conference; Haren, the Netherlands; 3-5 September.
6.7.
2006
Viigand, K. (2006). Hansenula polymorpha MAL-lookus [Hansenula polymorpha MAL-locus]. . Tartu.
1.1.
2005
Viigand, K.; Tammus, K.; Alamae, T. (2005). Clustering of MAL genes in Hansenula polymorpha: Cloning of the maltose permease gene and expression from the divergent intergenic region between the maltose permease and maltase genes. FEMS Yeast Research, 5 (11), 1019−1028.
5.2.
2005
Alamäe, T.; Viigand, K.; Rätsep, B.; Tammus, K. (2005). The MAL locus of Hansenula polymorpha is organized similarly to respective gene clusters of other yeasts and hides a divergent promoter with a biotechnological potential. XXIIth International Conference on Yeast Genetics and Molecular Biology; Bratislava, Slovakia; 7-12 August.
3.5.
2004
Viigand, K.; Rätsep, B.; Alamäe, T. (2004). The Hansenula polymorpha maltase gene promoter: regulation, expression, comparison with other promoters and possibilities for application. Third H. polymorpha Worldwide Network Conference, Porto Conte Ricerche Alghero, Sardinia; 25-29 September. 165−173.
1.1.
2003
Alamae, T.; Parn, P.; Viigand, K.; Karp, H. (2003). Regulation of the Hansenula polymorpha maltase gene promoter in H-polymorpha and Saccharomyces cerevisiae. FEMS Yeast Research, 4 (2), 165−173.
30.03.2020

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