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Items: 1 to 50 of 57

1.

Modification of linear (β1→3)-linked gluco-oligosaccharides with a novel recombinant β-glucosyltransferase (trans-β-glucosidase) enzyme from Bradyrhizobium diazoefficiens.

Dobruchowska JM, Jonsson JO, Fridjonsson OH, Aevarsson A, Kristjansson JK, Altenbuchner J, Watzlawick H, Gerwig GJ, Dijkhuizen L, Kamerling JP, Hreggvidsson GO.

Glycobiology. 2016 Nov;26(11):1157-1170. doi: 10.1093/glycob/cww074. Epub 2016 Aug 22.

PMID:
27550196
2.

Biochemical Characterization and Validation of a Catalytic Site of a Highly Thermostable Ts2631 Endolysin from the Thermus scotoductus Phage vB_Tsc2631.

Plotka M, Kaczorowska AK, Morzywolek A, Makowska J, Kozlowski LP, Thorisdottir A, Skírnisdottir S, Hjörleifsdottir S, Fridjonsson OH, Hreggvidsson GO, Kristjansson JK, Dabrowski S, Bujnicki JM, Kaczorowski T.

PLoS One. 2015 Sep 16;10(9):e0137374. doi: 10.1371/journal.pone.0137374. eCollection 2015.

3.

Comparative Metagenomics of Eight Geographically Remote Terrestrial Hot Springs.

Menzel P, Gudbergsdóttir SR, Rike AG, Lin L, Zhang Q, Contursi P, Moracci M, Kristjansson JK, Bolduc B, Gavrilov S, Ravin N, Mardanov A, Bonch-Osmolovskaya E, Young M, Krogh A, Peng X.

Microb Ecol. 2015 Aug;70(2):411-24. doi: 10.1007/s00248-015-0576-9. Epub 2015 Feb 25.

PMID:
25712554
4.

Discovery and characterization of RecA protein of thermophilic bacterium Thermus thermophilus MAT72 phage Tt72 that increases specificity of a PCR-based DNA amplification.

Stefanska A, Kaczorowska AK, Plotka M, Fridjonsson OH, Hreggvidsson GO, Hjorleifsdottir S, Kristjansson JK, Dabrowski S, Kaczorowski T.

J Biotechnol. 2014 Jul 20;182-183:1-10. doi: 10.1016/j.jbiotec.2014.04.015. Epub 2014 Apr 28.

PMID:
24786823
5.

Isolation, growth and genome of the Rhodothermus RM378 thermophilic bacteriophage.

Hjorleifsdottir S, Aevarsson A, Hreggvidsson GO, Fridjonsson OH, Kristjansson JK.

Extremophiles. 2014 Mar;18(2):261-70. doi: 10.1007/s00792-013-0613-x. Epub 2013 Dec 7.

PMID:
24318108
6.

Novel highly thermostable endolysin from Thermus scotoductus MAT2119 bacteriophage Ph2119 with amino acid sequence similarity to eukaryotic peptidoglycan recognition proteins.

Plotka M, Kaczorowska AK, Stefanska A, Morzywolek A, Fridjonsson OH, Dunin-Horkawicz S, Kozlowski L, Hreggvidsson GO, Kristjansson JK, Dabrowski S, Bujnicki JM, Kaczorowski T.

Appl Environ Microbiol. 2014 Feb;80(3):886-95. doi: 10.1128/AEM.03074-13. Epub 2013 Nov 22.

7.

Exploring novel non-Leloir β-glucosyltransferases from proteobacteria for modifying linear (β1->3)-linked gluco-oligosaccharide chains.

Hreggvidsson GO, Dobruchowska JM, Fridjonsson OH, Jonsson JO, Gerwig GJ, Aevarsson A, Kristjansson JK, Curti D, Redgwell RR, Hansen CE, Kamerling JP, Debeche-Boukhit T.

Glycobiology. 2011 Mar;21(3):304-28. doi: 10.1093/glycob/cwq165. Epub 2010 Oct 28.

PMID:
21030539
8.

Rhodothermus profundi sp. nov., a thermophilic bacterium isolated from a deep-sea hydrothermal vent in the Pacific Ocean.

Marteinsson VT, Bjornsdottir SH, Bienvenu N, Kristjansson JK, Birrien JL.

Int J Syst Evol Microbiol. 2010 Dec;60(Pt 12):2729-34. doi: 10.1099/ijs.0.012724-0. Epub 2010 Jan 8.

PMID:
20061490
9.

Analysis of the unique geothermal microbial ecosystem of the Blue Lagoon.

Petursdottir SK, Bjornsdottir SH, Hreggvidsson GO, Hjorleifsdottir S, Kristjansson JK.

FEMS Microbiol Ecol. 2009 Dec;70(3):425-32. doi: 10.1111/j.1574-6941.2009.00757.x. Epub 2009 Aug 3.

10.

Thermus islandicus sp. nov., a mixotrophic sulfur-oxidizing bacterium isolated from the Torfajokull geothermal area.

Bjornsdottir SH, Petursdottir SK, Hreggvidsson GO, Skirnisdottir S, Hjorleifsdottir S, Arnfinnsson J, Kristjansson JK.

Int J Syst Evol Microbiol. 2009 Dec;59(Pt 12):2962-6. doi: 10.1099/ijs.0.007013-0. Epub 2009 Jul 23.

PMID:
19628590
11.

Novel members of glycoside hydrolase family 13 derived from environmental DNA.

Labes A, Karlsson EN, Fridjonsson OH, Turner P, Hreggvidson GO, Kristjansson JK, Holst O, Schönheit P.

Appl Environ Microbiol. 2008 Mar;74(6):1914-21. doi: 10.1128/AEM.02102-07. Epub 2008 Jan 25.

12.

A ba3 oxygen reductase from the thermohalophilic bacterium Rhodothermus marinus.

Veríssimo AF, Pereira MM, Melo AM, Hreggvidsson GO, Kristjansson JK, Teixeira M.

FEMS Microbiol Lett. 2007 Apr;269(1):41-7. Epub 2007 Jan 15.

13.

Cloning and expression of heterologous genes in Rhodothermus marinus.

Bjornsdottir SH, Fridjonsson OH, Kristjansson JK, Eggertsson G.

Extremophiles. 2007 Mar;11(2):283-93. Epub 2006 Nov 24.

PMID:
17124556
14.

Polyphasic analysis of Thermus isolates from geothermal areas in Iceland.

Hreggvidsson GO, Skirnisdottir S, Smit B, Hjorleifsdottir S, Marteinsson VT, Petursdottir S, Kristjansson JK.

Extremophiles. 2006 Dec;10(6):563-75. Epub 2006 Jun 24.

PMID:
16799746
15.

Two novel cyclodextrin-degrading enzymes isolated from thermophilic bacteria have similar domain structures but differ in oligomeric state and activity profile.

Turner P, Labes A, Fridjonsson OH, Hreggvidson GO, Schönheit P, Kristjansson JK, Holst O, Karlsson EN.

J Biosci Bioeng. 2005 Oct;100(4):380-90.

PMID:
16310726
16.

Rhodothermus marinus: physiology and molecular biology.

Bjornsdottir SH, Blondal T, Hreggvidsson GO, Eggertsson G, Petursdottir S, Hjorleifsdottir S, Thorbjarnardottir SH, Kristjansson JK.

Extremophiles. 2006 Feb;10(1):1-16. Epub 2005 Aug 2. Review.

PMID:
16075163
17.

A nhaD Na+/H+ antiporter and a pcd homologues are among the Rhodothermus marinus complex I genes.

Melo AM, Lobo SA, Sousa FL, Fernandes AS, Pereira MM, Hreggvidsson GO, Kristjansson JK, Saraiva LM, Teixeira M.

Biochim Biophys Acta. 2005 Aug 15;1709(1):95-103.

18.

Investigation of the microbial ecology of intertidal hot springs by using diversity analysis of 16S rRNA and chitinase genes.

Hobel CF, Marteinsson VT, Hreggvidsson GO, Kristjánsson JK.

Appl Environ Microbiol. 2005 May;71(5):2771-6.

19.

Isolation and characterization of a thermostable RNA ligase 1 from a Thermus scotoductus bacteriophage TS2126 with good single-stranded DNA ligation properties.

Blondal T, Thorisdottir A, Unnsteinsdottir U, Hjorleifsdottir S, Aevarsson A, Ernstsson S, Fridjonsson OH, Skirnisdottir S, Wheat JO, Hermannsdottir AG, Sigurdsson ST, Hreggvidsson GO, Smith AV, Kristjansson JK.

Nucleic Acids Res. 2005 Jan 7;33(1):135-42. Print 2005.

20.

A new thermostable alpha-L-arabinofuranosidase from a novel thermophilic bacterium.

Birgisson H, Fridjonsson O, Bahrani-Mougeot FK, Hreggvidsson GO, Kristjansson JK, Mattiasson B.

Biotechnol Lett. 2004 Sep;26(17):1347-51.

PMID:
15604762
21.

Cloning, expression, and characterization of a highly thermostable family 18 chitinase from Rhodothermus marinus.

Hobel CF, Hreggvidsson GO, Marteinsson VT, Bahrani-Mougeot F, Einarsson JM, Kristjánsson JK.

Extremophiles. 2005 Feb;9(1):53-64. Epub 2004 Oct 2.

PMID:
15583965
22.

Characterization of a 5'-polynucleotide kinase/3'-phosphatase from bacteriophage RM378.

Blondal T, Hjorleifsdottir S, Aevarsson A, Fridjonsson OH, Skirnisdottir S, Wheat JO, Hermannsdottir AG, Hreggvidsson GO, Smith AV, Kristjansson JK.

J Biol Chem. 2005 Feb 18;280(7):5188-94. Epub 2004 Dec 2.

23.

Discovery and characterization of a thermostable bacteriophage RNA ligase homologous to T4 RNA ligase 1.

Blondal T, Hjorleifsdottir SH, Fridjonsson OF, Aevarsson A, Skirnisdottir S, Hermannsdottir AG, Hreggvidsson GO, Smith AV, Kristjansson JK.

Nucleic Acids Res. 2003 Dec 15;31(24):7247-54.

24.

Species Composition of Cultivated and Noncultivated Bacteria from Short Filaments in an Icelandic Hot Spring at 88 degrees C.

Hjorleifsdottir S, Skirnisdottir S, Hreggvidsson GO, Holst O, Kristjansson JK.

Microb Ecol. 2001 Aug;42(2):117-125.

PMID:
12024275
25.

Phylogenetic diversity analysis of subterranean hot springs in Iceland.

Marteinsson VT, Hauksdóttir S, Hobel CF, Kristmannsdóttir H, Hreggvidsson GO, Kristjánsson JK.

Appl Environ Microbiol. 2001 Sep;67(9):4242-8.

26.

Cloning, sequence analysis and functional characterization of DNA polymerase I from the thermophilic eubacterium Rhodothermus marinus.

Blöndal T, Thorbjarnardóttir SH, Kieleczawa J, Hjörleifsdóttir S, Kristjánsson JK, Einarsson JM, Eggertsson G.

Biotechnol Appl Biochem. 2001 Aug;34(1):37-45.

PMID:
11483153
27.

A new ecological adaptation to high sulfide by a Hydrogenobacter sp. growing on sulfur compounds but not on hydrogen.

Skimisdottir S, Hreggvidsson GO, Holst O, Kristjansson JK.

Microbiol Res. 2001;156(1):41-7.

PMID:
11372652
28.

Isolation and characterization of a mixotrophic sulfur-oxidizing Thermus scotoductus.

Skirnisdottir S, Hreggvidsson GO, Holst O, Kristjansson JK.

Extremophiles. 2001 Feb;5(1):45-51.

PMID:
11302502
29.

Discovery and description of giant submarine smectite cones on the seafloor in Eyjafjordur, northern Iceland, and a novel thermal microbial habitat.

Marteinsson VT, Kristjánsson JK, Kristmannsdóttir H, Dahlkvist M, Saemundsson K, Hannington M, Pétursdóttir SK, Geptner A, Stoffers P.

Appl Environ Microbiol. 2001 Feb;67(2):827-33.

30.

Genetic diversity analysis of Rhodothermus reflects geographical origin of the isolates.

Petursdottir SK, Hreggvidsson GO, Da Costa MS, Kristjansson JK.

Extremophiles. 2000 Oct;4(5):267-74.

PMID:
11057910
31.

Influence of sulfide and temperature on species composition and community structure of hot spring microbial mats.

Skirnisdottir S, Hreggvidsson GO, Hjörleifsdottir S, Marteinsson VT, Petursdottir SK, Holst O, Kristjansson JK.

Appl Environ Microbiol. 2000 Jul;66(7):2835-41.

32.

Sulfolobicins, specific proteinaceous toxins produced by strains of the extremely thermophilic archaeal genus Sulfolobus.

Prangishvili D, Holz I, Stieger E, Nickell S, Kristjansson JK, Zillig W.

J Bacteriol. 2000 May;182(10):2985-8.

33.

The genetic element pSSVx of the extremely thermophilic crenarchaeon Sulfolobus is a hybrid between a plasmid and a virus.

Arnold HP, She Q, Phan H, Stedman K, Prangishvili D, Holz I, Kristjansson JK, Garrett R, Zillig W.

Mol Microbiol. 1999 Oct;34(2):217-26.

34.

Cloning, sequence analysis and overexpression of a rhodothermus marinus gene encoding a thermostable thymidine kinase.

Blöndal T, Thorbjarnardóttir SH, Kieleczawa J, Einarsson JM, Hjörleifsdóttir S, Kristjánsson JK, Eggertsson G.

FEMS Microbiol Lett. 1999 Oct 15;179(2):311-6.

35.

A novel virus family, the Rudiviridae: Structure, virus-host interactions and genome variability of the sulfolobus viruses SIRV1 and SIRV2.

Prangishvili D, Arnold HP, Götz D, Ziese U, Holz I, Kristjansson JK, Zillig W.

Genetics. 1999 Aug;152(4):1387-96.

36.

Conjugation in archaea: frequent occurrence of conjugative plasmids in Sulfolobus.

Prangishvili D, Albers SV, Holz I, Arnold HP, Stedman K, Klein T, Singh H, Hiort J, Schweier A, Kristjansson JK, Zillig W.

Plasmid. 1998 Nov;40(3):190-202.

PMID:
9806856
37.

Genetic elements in the extremely thermophilic archaeon Sulfolobus.

Zillig W, Arnold HP, Holz I, Prangishvili D, Schweier A, Stedman K, She Q, Phan H, Garrett R, Kristjansson JK.

Extremophiles. 1998 Aug;2(3):131-40. Review.

PMID:
9783157
38.

F-and V-ATPases in the genus Thermus and related species.

Radax C, Sigurdsson O, Hreggvidsson GO, Aichinger N, Gruber C, Kristjansson JK, Stan-Lotter H.

Syst Appl Microbiol. 1998 Mar;21(1):12-22.

PMID:
9741106
39.

Cloning, sequencing and overexpression of a Rhodothermus marinus gene encoding a thermostable cellulase of glycosyl hydrolase family 12.

Halldórsdóttir S, Thórólfsdóttir ET, Spilliaert R, Johansson M, Thorbjarnardóttir SH, Palsdottir A, Hreggvidsson GO, Kristjánsson JK, Holst O, Eggertsson G.

Appl Microbiol Biotechnol. 1998 Mar;49(3):277-84.

PMID:
9581291
40.

Extremely halotolerant bacteria characteristic of fully cured and dried cod.

Vilhelmsson O, Hafsteinsson H, Kristjánsson JK.

Int J Food Microbiol. 1997 May 20;36(2-3):163-70.

PMID:
9217105
42.

Cloning and sequence analysis of the DNA ligase-encoding gene of Rhodothermus marinus, and overproduction, purification and characterization of two thermophilic DNA ligases.

Thorbjarnardóttir SH, Jónsson ZO, Andrésson OS, Kristjánsson JK, Eggertsson G, Palsdottir A.

Gene. 1995 Aug 8;161(1):1-6.

PMID:
7642120
43.

DNA:DNA hybridization and chemotaxonomic studies of Thermus scotoductus.

Tenreiro S, Nobre MF, Hoste B, Gillis M, Kristjansson JK, da Costa MS.

Res Microbiol. 1995 May;146(4):315-24.

PMID:
7569325
44.

Ecology and habitats of extremophiles.

Kristjánsson JK, Hreggvidsson GO.

World J Microbiol Biotechnol. 1995 Jan;11(1):17-25. doi: 10.1007/BF00339134.

PMID:
24414409
45.

Cloning and sequencing of a Rhodothermus marinus gene, bglA, coding for a thermostable beta-glucanase and its expression in Escherichia coli.

Spilliaert R, Hreggvidsson GO, Kristjansson JK, Eggertsson G, Palsdottir A.

Eur J Biochem. 1994 Sep 15;224(3):923-30.

46.

Production of Rhizobium Inoculants for Lupinus nootkatensis on Nutrient-Supplemented Pumice.

Einarsson S, Gudmundsson J, Sverrisson H, Kristjansson JK, Runolfsson S.

Appl Environ Microbiol. 1993 Nov;59(11):3666-8.

47.

Influence of pH and Temperature on Enumeration of Cellulose- and Hemicellulose-Degrading Thermophilic Anaerobes in Neutral and Alkaline Icelandic Hot Springs.

Mathrani IM, Nielsen P, Sonne-Hansen J, Kristjánsson JK, Ahring BK.

Appl Environ Microbiol. 1993 Jun;59(6):1963-5.

48.

RmaI, a type II restriction endonuclease from Rhodothermus marinus which recognizes 5' CTAG 3'.

Rönkä J, Hjörleifsdóttir S, Tenkanen T, Pitkänen K, Mattila P, Kristjansson JK.

Nucleic Acids Res. 1991 May 25;19(10):2789. No abstract available.

49.

Isolation of Halotolerant Thermus spp. from Submarine Hot Springs in Iceland.

Kristjansson JK, Hreggvidsson GO, Alfredsson GA.

Appl Environ Microbiol. 1986 Dec;52(6):1313-6.

50.

Why do sulfate-reducing bacteria outcompete methanogenic bacteria for substrates?

Kristjansson JK, Schönheit P.

Oecologia. 1983 Nov;60(2):264-266. doi: 10.1007/BF00379530.

PMID:
28310495

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