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Kristen Johansen

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Chromosomal Position Effects

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Chao Wang; Changfu Yao; Yeran Li; Xiaomin Bao; Weili Cai; Jack Girton; Jørgen Johansen; Kristen M Johansen
Evidence against a Role for the JIL-1 Kinase in H3S28 Phosphorylation and 14-3-3 Recruitment to Active Genes in Drosophila.
Changfu Yao; Jack Girton; Kristen M Johansen; Helder Maiato; Uttama Rath; David Sharp; Jørgen Johansen
A nuclear-derived proteinaceous matrix embeds the microtubule spindle apparatus during mitosis.
Chao Wang; Yeran Li; Weili Cai; Jack Girton; Jørgen Johansen; Kristen M Johansen
H3S10 phosphorylation by the JIL-1 kinase regulates H3K9 dimethylation and gene expression at the white locus in Drosophila.

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All Publications

2013: Chao Wang; Changfu Yao; Yeran Li; Xiaomin Bao; Weili Cai; Jack Girton; Jørgen Johansen; Kristen M Johansen
Evidence against a Role for the JIL-1 Kinase in H3S28 Phosphorylation and 14-3-3 Recruitment to Active Genes in Drosophila.
PloS one 2013;8(4):e62484.
2012: Changfu Yao; Jack Girton; Kristen M Johansen; Helder Maiato; Uttama Rath; David Sharp; Jørgen Johansen
A nuclear-derived proteinaceous matrix embeds the microtubule spindle apparatus during mitosis.
Molecular biology of the cell 2012;23(18):3532-41.
2012: Chao Wang; Yeran Li; Weili Cai; Jack Girton; Jørgen Johansen; Kristen M Johansen
H3S10 phosphorylation by the JIL-1 kinase regulates H3K9 dimethylation and gene expression at the white locus in Drosophila.
Fly 2012;6(2):93-7.
2012: Changfu Yao; Kristen M Johansen; Chao Wang; Weili Cai; Yun Ding; Jack Girton; Jørgen Johansen
The chromodomain-containing NH(2)-terminus of Chromator interacts with histone H1 and is required for correct targeting to chromatin.
Chromosoma 2012;121(2):209-20.
2011: Chao Wang; Yeran Li; Xiaomin Bao; Weili Cai; Huai Deng; Jack Girton; Jørgen Johansen; Kristen M Johansen
The epigenetic H3S10 phosphorylation mark is required for counteracting heterochromatic spreading and gene silencing in Drosophila melanogaster.
Journal of cell science 2011;124(Pt 24):4309-17.
2011: Chao Wang; Jack Girton; Jørgen Johansen; Kristen M Johansen
A balance between euchromatic (JIL-1) and heterochromatic [SU(var)2-5 and SU(var)3-9] factors regulates position-effect variegation in Drosophila.
Genetics 2011;188(3):745-8.
2011: Kristen M Johansen; Arthur Forer; Changfu Yao; Jack Girton; Jørgen Johansen
Do nuclear envelope and intranuclear proteins reorganize during mitosis to form an elastic, hydrogel-like spindle matrix?
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 2011;19(3):345-65.
2010: Weili Cai; Ye Jin; Jack Girton; Jorgen Johansen; Kristen M Johansen
Preparation of Drosophila polytene chromosome squashes for antibody labeling.
Journal of visualized experiments : JoVE 2010;(36):.
2009: Hongying Qi; Changfu Yao; Weili Cai; Jack Girton; Kristen M Johansen; Jørgen Johansen
Asator, a tau-tubulin kinase homolog in Drosophila localizes to the mitotic spindle.
Developmental dynamics : an official publication of the American Association of Anatomists 2009;238(12):3248-56.
2009: Yun Ding; Changfu Yao; Mariana Lince-Faria; Uttama Rath; Weili Cai; Helder Maiato; Jack Girton; Kristen M Johansen; Jørgen Johansen
Chromator is required for proper microtubule spindle formation and mitosis in Drosophila.
Developmental biology 2009;334(1):253-63.
2009: Kristen M Johansen; Weili Cai; Huai Deng; Xiaomin Bao; Weiguo Zhang; Jack Girton; Jørgen Johansen
Polytene chromosome squash methods for studying transcription and epigenetic chromatin modification in Drosophila using antibodies.
Methods (San Diego, Calif.) 2009;48(4):387-97.
2009: Jørgen Johansen; Kristen M Johansen
The spindle matrix through the cell cycle in Drosophila.
Fly 2009;3(3):213-20.
2008: Xiaomin Bao; Weili Cai; Huai Deng; Weiguo Zhang; Robert Krencik; Jack Girton; Jørgen Johansen; Kristen M Johansen
The COOH-terminal domain of the JIL-1 histone H3S10 kinase interacts with histone H3 and is required for correct targeting to chromatin.
The Journal of biological chemistry 2008;283(47):32741-50.
2008: Weili Cai; Xiaomin Bao; Huai Deng; Ye Jin; Jack Girton; Jørgen Johansen; Kristen M Johansen
RNA polymerase II-mediated transcription at active loci does not require histone H3S10 phosphorylation in Drosophila.
Development (Cambridge, England) 2008;135(17):2917-25.
2008: Huai Deng; Xiaomin Bao; Weili Cai; Melissa J Blacketer; Andrew S Belmont; Jack Girton; Jørgen Johansen; Kristen M Johansen
Ectopic histone H3S10 phosphorylation causes chromatin structure remodeling in Drosophila.
Development (Cambridge, England) 2008;135(4):699-705.
2008: Jack Girton; Kristen M Johansen
Chromatin structure and the regulation of gene expression: the lessons of PEV in Drosophila.
Advances in genetics 2008;61():1-43.
2007: Huai Deng; Xiaomin Bao; Weiguo Zhang; Jack Girton; Jørgen Johansen; Kristen M Johansen
Reduced levels of Su(var)3-9 but not Su(var)2-5 (HP1) counteract the effects on chromatin structure and viability in loss-of-function mutants of the JIL-1 histone H3S10 kinase.
Genetics 2007;177(1):79-87.
2007: Lacramioara Fabian; Xuequin Xia; Deepa V Venkitaramani; Kristen M Johansen; Jørgen Johansen; Deborah J Andrew; Arthur Forer
Titin in insect spermatocyte spindle fibers associates with microtubules, actin, myosin and the matrix proteins skeletor, megator and chromator.
Journal of cell science 2007;120(Pt 13):2190-204.
2007: Xiaomin Bao; Huai Deng; Jørgen Johansen; Jack Girton; Kristen M Johansen
Loss-of-function alleles of the JIL-1 histone H3S10 kinase enhance position-effect variegation at pericentric sites in Drosophila heterochromatin.
Genetics 2007;176(2):1355-8.
2007: Xiaomin Bao; Jack Girton; Jørgen Johansen; Kristen M Johansen
The lamin Dm0 allele Ari3 acts as an enhancer of position effect variegation of the wm4 allele in Drosophila.
Genetica 2007;129(3):339-42.
2007: Kristen M Johansen; Jørgen Johansen
Cell and molecular biology of the spindle matrix.
International review of cytology 2007;263():155-206.
2006: Stephanie Lerach; Weiguo Zhang; Xiaomin Bao; Huai Deng; Jack Girton; Jørgen Johansen; Kristen M Johansen
Loss-of-function alleles of the JIL-1 kinase are strong suppressors of position effect variegation of the wm4 allele in Drosophila.
Genetics 2006;173(4):2403-6.
2006: Uttama Rath; Yun Ding; Huai Deng; Hongying Qi; Xiaomin Bao; Weiguo Zhang; Jack Girton; Jørgen Johansen; Kristen M Johansen
The chromodomain protein, Chromator, interacts with JIL-1 kinase and regulates the structure of Drosophila polytene chromosomes.
Journal of cell science 2006;119(Pt 11):2332-41.
2006: Deepa V Venkitaramani; D Bruce Fulton; Amy H Andreotti; Kristen M Johansen; Jørgen Johansen
Mapping the Ca2+ -dependent binding of an invertebrate homolog of protein phosphatase 4 regulatory subunit 2 to the small EF-hand protein, calsensin.
Biochimica et biophysica acta 2006;1763(3):322-9.
2006: Kristen M Johansen; Jørgen Johansen
Regulation of chromatin structure by histone H3S10 phosphorylation.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 2006;14(4):393-404.
2006: Weiguo Zhang; Huai Deng; Xiaomin Bao; Stephanie Lerach; Jack Girton; Jørgen Johansen; Kristen M Johansen
The JIL-1 histone H3S10 kinase regulates dimethyl H3K9 modifications and heterochromatic spreading in Drosophila.
Development (Cambridge, England) 2006;133(2):229-35.
2005: Stephanie Lerach; Weiguo Zhang; Huai Deng; Xiaomin Bao; Jack Girton; Jørgen Johansen; Kristen M Johansen
JIL-1 kinase, a member of the male-specific lethal (MSL) complex, is necessary for proper dosage compensation of eye pigmentation in Drosophila.
Genesis (New York, N.Y. : 2000) 2005;43(4):213-5.
2005: Xiaomin Bao; Weiguo Zhang; Robert Krencik; Huai Deng; Yanming Wang; Jack Girton; Jørgen Johansen; Kristen M Johansen
The JIL-1 kinase interacts with lamin Dm0 and regulates nuclear lamina morphology of Drosophila nurse cells.
Journal of cell science 2005;118(Pt 21):5079-87.
2005: Hongying Qi; Uttama Rath; Yun Ding; Yun Ji; Melissa J Blacketer; Jack Girton; Jørgen Johansen; Kristen M Johansen
EAST interacts with Megator and localizes to the putative spindle matrix during mitosis in Drosophila.
Journal of cellular biochemistry 2005;95(6):1284-91.
2005: Huai Deng; Weiguo Zhang; Xiaomin Bao; Janine N Martin; Jack Girton; Jørgen Johansen; Kristen M Johansen
The JIL-1 kinase regulates the structure of Drosophila polytene chromosomes.
Chromosoma 2005;114(3):173-82.
2005: Yun Ji; Uttama Rath; Jack Girton; Kristen M Johansen; Jørgen Johansen
D-Hillarin, a novel W180-domain protein, affects cytokinesis through interaction with the septin family member Pnut.
Journal of neurobiology 2005;64(2):157-69.
2005: Deepa V Venkitaramani; D Bruce Fulton; Amy H Andreotti; Kristen M Johansen; Jørgen Johansen
Solution structure and backbone dynamics of Calsensin, an invertebrate neuronal calcium-binding protein.
Protein science : a publication of the Protein Society 2005;14(7):1894-901.
2004: Uttama Rath; Dong Wang; Yun Ding; Ying-Zhi Xu; Hongying Qi; Melissa J Blacketer; Jack Girton; Jørgen Johansen; Kristen M Johansen
Chromator, a novel and essential chromodomain protein interacts directly with the putative spindle matrix protein skeletor.
Journal of cellular biochemistry 2004;93(5):1033-47.
2004: Hongying Qi; Uttama Rath; Dong Wang; Ying-Zhi Xu; Yun Ding; Weiguo Zhang; Melissa J Blacketer; Michael R Paddy; Jack Girton; Jørgen Johansen; Kristen M Johansen
Megator, an essential coiled-coil protein that localizes to the putative spindle matrix during mitosis in Drosophila.
Molecular biology of the cell 2004;15(11):4854-65.
2004: Deepa V Venkitaramani; Dong Wang; Yun Ji; Ying-Zhi Xu; Liliana Ponguta; Katie Bock; Birgit Zipser; John Jellies; Kristen M Johansen; Jørgen Johansen
Leech filamin and Tractin: markers for muscle development and nerve formation.
Journal of neurobiology 2004;60(3):369-80.
2004: Kristen M Johansen; Jørgen Johansen
Studying nuclear organization in embryos using antibody tools.
Methods in molecular biology (Clifton, N.J.) 2004;247():215-34.
2003: Weiguo Zhang; Ye Jin; Yun Ji; Jack Girton; Jørgen Johansen; Kristen M Johansen
Genetic and phenotypic analysis of alleles of the Drosophila chromosomal JIL-1 kinase reveals a functional requirement at multiple developmental stages.
Genetics 2003;165(3):1341-54.
2003: Weiguo Zhang; Yanming Wang; Jin Long; Jack Girton; Jørgen Johansen; Kristen M Johansen
A developmentally regulated splice variant from the complex lola locus encoding multiple different zinc finger domain proteins interacts with the chromosomal kinase JIL-1.
The Journal of biological chemistry 2003;278(13):11696-704.
2003: Ying-Zhi Xu; Yun Ji; Birgit Zipser; John Jellies; Kristen M Johansen; Jørgen Johansen
Proteolytic cleavage of the ectodomain of the L1 CAM family member Tractin.
The Journal of biological chemistry 2003;278(6):4322-30.
2002: Kristen M Johansen; Jørgen Johansen
Recent glimpses of the elusive spindle matrix.
Cell cycle (Georgetown, Tex.) 2002;1(5):312-4.
2001: Yun Ji; D Schroeder; D Byrne; Birgit Zipser; John Jellies; Kristen M Johansen; Jørgen Johansen
Molecular identification and sequence analysis of Hillarin, a novel protein localized at the axon hillock.
Biochimica et biophysica acta 2001;1519(3):246-9.
2001: Y Wang; Weiguo Zhang; Y Jin; Jørgen Johansen; Kristen M Johansen
The JIL-1 tandem kinase mediates histone H3 phosphorylation and is required for maintenance of chromatin structure in Drosophila.
Cell 2001;105(4):433-43.
2000: Diane L Walker; Dong Wang; Y Jin; Uttama Rath; Y Wang; Jørgen Johansen; Kristen M Johansen
Skeletor, a novel chromosomal protein that redistributes during mitosis provides evidence for the formation of a spindle matrix.
The Journal of cell biology 2000;151(7):1401-12.
2000: Chunfa Jie; Y Xu; Dong Wang; D Lukin; Birgit Zipser; John Jellies; Kristen M Johansen; Jørgen Johansen
Posttranslational processing and differential glycosylation of Tractin, an Ig-superfamily member involved in regulation of axonal outgrowth.
Biochimica et biophysica acta 2000;1479(1-2):1-14.
2000: Y Jin; Y Wang; Jørgen Johansen; Kristen M Johansen
JIL-1, a chromosomal kinase implicated in regulation of chromatin structure, associates with the male specific lethal (MSL) dosage compensation complex.
The Journal of cell biology 2000;149(5):1005-10.
2000: John Jellies; Kristen M Johansen; Jørgen Johansen
Ectopic CNS projections guide peripheral neuron axons along novel pathways in leech embryos.
Developmental biology 2000;218(2):137-45.
1999: Chunfa Jie; Birgit Zipser; John Jellies; Kristen M Johansen; Jørgen Johansen
Differential glycosylation and proteolytical processing of LeechCAM in central and peripheral leech neurons.
Biochimica et biophysica acta 1999;1452(2):161-71.
1999: Y Xu; B Bolton; Birgit Zipser; John Jellies; Kristen M Johansen; Jørgen Johansen
Gliarin and macrolin, two novel intermediate filament proteins specifically expressed in sets and subsets of glial cells in leech central nervous system.
Journal of neurobiology 1999;40(2):244-53.
1999: Y Jin; Y Wang; Diane L Walker; H Dong; C Conley; Jørgen Johansen; Kristen M Johansen
JIL-1: a novel chromosomal tandem kinase implicated in transcriptional regulation in Drosophila.
Molecular cell 1999;4(1):129-35.
1999: H Dong; Yinghua Jin; Jørgen Johansen; Kristen M Johansen
Antibody identification, chromosome map assignment, and sequence analysis of a Rab escort protein homolog in Drosophila1.
Biochimica et biophysica acta 1999;1449(2):194-8.
1999: Jamie Weiss; J Yang; Chunfa Jie; Diane L Walker; S Ahmed; Y Zhu; Y Huang; Kristen M Johansen; Jørgen Johansen
Molecular cloning and characterization of LKv1, a novel voltage-gated potassium channel in leech.
Journal of neurobiology 1999;38(2):287-99.
1999: Kristen M Johansen; Jørgen Johansen; Y Jin; Diane L Walker; Dong Wang; Y Wang
Chromatin structure and nuclear remodeling.
Critical reviews in eukaryotic gene expression 1999;9(3-4):267-77.
1998: Y Huang; John Jellies; Kristen M Johansen; Jørgen Johansen
Development and pathway formation of peripheral neurons during leech embryogenesis.
The Journal of comparative neurology 1998;397(3):394-402.
1997: Y Huang; John Jellies; Kristen M Johansen; Jørgen Johansen
Differential glycosylation of tractin and LeechCAM, two novel Ig superfamily members, regulates neurite extension and fascicle formation.
The Journal of cell biology 1997;138(1):143-57.
1997: Jørgen Johansen; Kristen M Johansen
Molecular mechanisms mediating axon pathway formation.
Critical reviews in eukaryotic gene expression 1997;7(1-2):95-116.
1996: M Veldman; Y Huang; John Jellies; Kristen M Johansen; Jørgen Johansen
Differential expression of the EF-hand calcium-binding protein calsensin in the central nervous system of hirudinid leeches.
Cell and tissue research 1996;286(3):357-64.
1996: Kristen M Johansen; Jørgen Johansen; K H Baek; Y Jin
Remodeling of nuclear architecture during the cell cycle in Drosophila embryos.
Journal of cellular biochemistry 1996;63(3):268-79.
1996: John Jellies; D M Kopp; Kristen M Johansen; Jørgen Johansen
Initial formation and secondary condensation of nerve pathways in the medicinal leech.
The Journal of comparative neurology 1996;373(1):1-10.
1996: Kristen M Johansen
Dynamic remodeling of nuclear architecture during the cell cycle.
Journal of cellular biochemistry 1996;60(3):289-96.
1995: John Jellies; Kristen M Johansen; Jørgen Johansen
Peripheral neurons depend on CNS-derived guidance cues for proper navigation during leech development.
Developmental biology 1995;171(2):471-82.
1995: K K Briggs; A J Silvers; Kristen M Johansen; Jørgen Johansen
Calsensin: a novel calcium-binding protein expressed in a subset of peripheral leech neurons fasciculating in a single axon tract.
The Journal of cell biology 1995;129(5):1355-62.
1995: Kristen M Johansen; Jørgen Johansen
Filarin, a novel invertebrate intermediate filament protein present in axons and perikarya of developing and mature leech neurons.
Journal of neurobiology 1995;27(2):227-39.
1994: Jørgen Johansen; Kristen M Johansen; K K Briggs; D M Kopp; John Jellies
Hierarchical guidance cues and selective axon pathway formation.
Progress in brain research 1994;103():109-20.
1993: K K Briggs; Kristen M Johansen; Jørgen Johansen
Selective pathway choice of a single central axonal fascicle by a subset of peripheral neurons during leech development.
Developmental biology 1993;158(2):380-9.
1992: Kristen M Johansen; D M Kopp; John Jellies; Jørgen Johansen
Tract formation and axon fasciculation of molecularly distinct peripheral neuron subpopulations during leech embryogenesis.
Neuron 1992;8(3):559-72.