20092019
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Research Output 2009 2019

2019
2 Citations (Scopus)

Effect of hydrothermal pretreatment severity on lignin inhibition in enzymatic hydrolysis

Kellock, M., Maaheimo, H., Marjamaa, K., Rahikainen, J., Zhang, H., Holopainen-Mantila, U., Ralph, J., Tamminen, T., Felby, C. & Kruus, K., 2019, In : Bioresource Technology. 280, p. 303-312 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Enzyme inhibition
Enzymatic hydrolysis
Lignin
lignin
hydrolysis

The biogeochemistry of gas generation from low-level nuclear waste: Microbiological characterization during 18 years study under in situ conditions

Vikman, M., Marjamaa, K., Nykyri, M., Small, J., Miettinen, H., Liisa, H., Haavisto, T. & Itävaara, M., Jun 2019, In : Applied Geochemistry. 105, p. 55-67 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Biogeochemistry
Radioactive Waste
biogeochemistry
Radioactive wastes
radioactive waste
2018
2 Citations (Scopus)

Enzyme biotechnology in degradation and modification of plant cell wall polymers

Marjamaa, K. & Kruus, K., 1 Sep 2018, In : Physiologia Plantarum. 164, 1, p. 106-118 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Plant Cells
Biotechnology
Cell Wall
biotechnology
polymers
2017
21 Citations (Scopus)

Lignin-derived inhibition of monocomponent cellulases and a xylanase in the hydrolysis of lignocellulosics

Kellock, M., Rahikainen, J., Marjamaa, K. & Kruus, K., 11 Feb 2017, In : Bioresource Technology. 232, p. 183-191 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Cellulases
Lignin
lignin
hydrolysis
Hydrolysis

Microbial degradation of low-level radioactive waste in repository conditions

Vikman, M., Marjamaa, K., Itävaara, M., Nykyri, M., Small, J. & Paaso, N., 2017, Goldschmidt Conference 2017. European Association of Geochemistry, 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access
repository
radioactive waste
degradation
gas
experiment
2016
7 Citations (Scopus)

Chapter One: Geomicrobiology and Metagenomics of Terrestrisl Deep Subsurface Microbiomes

Itävaara, M., Salavirta, H., Marjamaa, K. & Ruskeeniemi, T., 2016, Advances in Applied Microbiology. Sariaslani, S. & Gadd, M. (eds.). Elsevier, p. 1-77 (Advances in Applied Microbiology, Vol. 94).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

geomicrobiology
crust
virus
biogeochemical cycle
microbiology
10 Citations (Scopus)

Chemical characterization of hydrothermally pretreated and enzyme-digested wheat straw : an evaluation of recalcitrance

Merali, Z., Marjamaa, K., Käsper, A., Kruus, K., Gunning, A. P., Morris, V. J. & Waldron, K. W., 2016, In : Food Chemistry. 198, p. 132-140

Research output: Contribution to journalArticleScientificpeer-review

Straw
wheat straw
Triticum
Saccharification
saccharification

Effect of hydrothermal pretreatment severity on lignin inhibition in the enzymatic hydrolysis of lignocellulosic biomass

Kellock, M., Zhang, H., Marjamaa, K., Tamminen, T., Felby, C. & Kruus, K., 2016.

Research output: Contribution to conferenceConference articleScientific

enzymatic hydrolysis
lignin
pretreatment
biomass
enzymes

Effect of pretreatment severity on the enzymatic hydrolysis of spruce and wheat straw

Kellock, M., Zhang, H., Marjamaa, K., Tamminen, T., Felby, C. & Kruus, K., 2016.

Research output: Contribution to conferenceConference articleScientific

Effect of pretreatment severity on the inhibitory nature of lignin in the enzymatic hydrolysis of lignocellulose

Kellock, M., Zhang, H., Marjamaa, K., Tamminen, T., Felby, C. & Kruus, K., 2016.

Research output: Contribution to conferenceConference articleScientific

Microbial degradation of LLW under repository conditions- case TVO

Vikman, M., Marjamaa, K. & Itävaara, M., 2016, MIND (the Microbiology In Nuclear waste Disposal) Project Annual Meeting 1. Extended Abstracts: Book of Abstracts. European Union, p. 39-42

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

repository
radioactive waste
degradation
steel
gas
2014

Effect of lignin chemistry on non-productive enzyme adsorption in the enzymatic hydrolysis of lignocellulose

Rahikainen, J., Martin-Sampedro, R., Heikkinen, H., Rovio, S., Marjamaa, K., Tamminen, T., Rojas, O. J. & Kruus, K., 2014, Proceedings of the 13th European Workshop on Lignocellulosics and Pulp: EWLP 2014. Río Andrade, J. C. D., Gutiérrez Suárez, A., Rencoret, J. & Martínez, Á. T. (eds.). Sevilla, p. 49-52 O.13

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
lignocellulose
enzymatic hydrolysis
lignin
adsorption
chemistry

Metagenomics studies of deep terrestrial biosphere of Fennoscandian Shield

Itävaara, M., Marjamaa, K., Salavirta, H., Nyyssölä, A., Bomberg, M., Nyyssönen, M., Purkamo, L., Miettinen, H., Sohlberg, E., Vikman, M., Ahonen, L., Kietäväinen, R. & Kukkonen, I., 2014. 1 p.

Research output: Contribution to conferenceConference AbstractScientific

biosphere
shield
protein
borehole
homology

Microbial diversity during biodegradation of low level radioactive waste

Vikman, M., Marjamaa, K., Miettinen, H. & Itävaara, M., 2014.

Research output: Contribution to conferenceConference articleScientific

radioactive waste
biodegradation
corrosion
gas
repository
2013
80 Citations (Scopus)

Cellulase-lignin interactions: The role of carbohydrate-binding module and pH in non-productive binding

Rahikainen, J., Evans, J. D., Mikander, S., Kalliola, A., Puranen, T., Tamminen, T., Marjamaa, K. & Kruus, K., 2013, In : Enzyme and Microbial Technology. 53, 5, p. 315-321 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Cellulase
Lignin
Carbohydrates
Enzymes
Coulomb interactions
42 Citations (Scopus)

Impact of hydrothermal pre-treatment to chemical composition, enzymatic digestibility and spatial distribution of cell wall polymers

Holopainen-Mantila, U., Marjamaa, K., Merali, Z., Käsper, A., de Bot, P., Jääskeläinen, A. S., Waldron, K., Kruus, K. & Tamminen, T., 2013, In : Bioresource Technology. 138, p. 156-162 7 p.

Research output: Contribution to journalArticleScientificpeer-review

digestibility
Cellulose
Spatial distribution
cellulose
Polymers
192 Citations (Scopus)

Inhibitory effect of lignin during cellulose bioconversion: The effect of lignin chemistry on non-productive enzyme adsorption

Rahikainen, J., Martin-Sampedro, R., Heikkinen, H., Rovio, S., Marjamaa, K., Tamminen, T., Rojas, O. J. & Kruus, K., 2013, In : Bioresource Technology. 133, p. 270-278 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Bioconversion
Lignin
Cellulose
lignin
cellulose
25 Citations (Scopus)

Novel Penicillium cellulases for total hydrolysis of lignocellulosics

Marjamaa, K., Toth, K., Bromann, P. A., Szakacs, G. & Kruus, K., 2013, In : Enzyme and Microbial Technology. 52, 6-7, p. 358-369 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Cellulases
Lignin
Penicillium
Hydrolysis
Cellulose
53 Citations (Scopus)

Preferential adsorption and activity of monocomponent cellulases on lignocellulose thin films with varying lignin content

Martin-Sampedro, R., Rahikainen, J., Johansson, L-S., Marjamaa, K., Laine, J., Kruus, K. & Rojas, O. J., 2013, In : Biomacromolecules. 14, 4, p. 1231-1239 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Cellulases
Lignin
Cellulose
Adsorption
Thin films
2012

Lignin-derived inhibition of GH7 cellobiohydrolases: Insight to the inhibitory mechanism

Rahikainen, J., Marjamaa, K., Nurmi-Rantala, S., Koivula, A. & Kruus, K., 2012.

Research output: Contribution to conferenceConference articleScientific

2011
169 Citations (Scopus)

Inhibition of enzymatic hydrolysis by residual lignins from softwood: Study of enzyme binding and inactivation on lignin-rich surface

Rahikainen, J., Mikander, S., Marjamaa, K., Tamminen, T., Lappas, A., Viikari, L. & Kruus, K., 2011, In : Biotechnology and Bioengineering. 108, 12, p. 2823-2834 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Enzyme inhibition
Enzymatic hydrolysis
Softwoods
Lignin
Hydrolysis
2010
65 Citations (Scopus)

Adsorption of monocomponent enzymes in enzyme mixture analyzed quantitatively during hydrolysis of lignocellulose substrates

Varnai, A., Viikari, L., Marjamaa, K. & Siika-aho, M., 2010, In : Bioresource Technology. 102, 2, p. 1220-1227 8 p.

Research output: Contribution to journalArticleScientificpeer-review

hydrolysis
Hydrolysis
Enzymes
enzyme
adsorption
68 Citations (Scopus)

Cell wall lignin is polymerised by class III secretable plant peroxidases in Norway spruce

Fagerstedt, K. V., Kukkola, E. M., Koistinen, V. V. T., Takahashi, J. & Marjamaa, K., 2010, In : Journal of Integrative Plant Biology. 52, 2, p. 186-194 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Peroxidases
Lignin
peroxidases
Norway
Polymerization
2009
90 Citations (Scopus)

The role of xylem class III peroxidases in lignification

Marjamaa, K., Kukkola, E. M. & Fagerstedt, K. V., 2009, In : Journal of Experimental Botany. 60, 2, p. 367-376 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Peroxidases
Xylem
lignification
peroxidases
xylem