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Université de Fribourg

Deciphering the biology of Cryptophyllachora eurasiatica gen. et sp. nov., an often cryptic pathogen of an allergenic weed, Ambrosia artemisiifolia

Kiss, Levente ; Kovács, Gábor M. ; Bóka, Károly ; Bohár, Gyula ; Bohárné, Krisztina Varga ; Németh, Márk Z. ; Takamatsu, Susumu ; Shin, Hyeon-Dong ; Hayova, Vera ; Nischwitz, Claudia ; Seier, Marion K. ; Evans, Harry C. ; Cannon, Paul F. ; Ash, Gavin James ; Shivas, Roger G. ; Müller-Schärer, Heinz

In: Scientific Reports, 2018, vol. 8, no. 1, p. 10806

A little known, unculturable ascomycete, referred to as Phyllachora ambrosiae, can destroy the inflorescences of Ambrosia artemisiifolia, an invasive agricultural weed and producer of highly allergenic pollen. The fungus often remains undetectable in ragweed populations. This work was conducted to understand its origin and pathogenesis, a prerequisite to consider its potential as a biocontrol...

Consortium of Swiss Academic Libraries

Degenerate Crossing Numbers

Pach, János ; Tóth, Géza

In: Discrete & Computational Geometry, 2009, vol. 41, no. 3, p. 376-384

Université de Fribourg

A conserved role for p48 homologs in protecting dopaminergic neurons from oxidative stress

Dib, Peter Bou ; Gnägi, Bettina ; Daly, Fiona ; Sabado, Virginie ; Tas, Damla ; Glauser, Dominique A. ; Nagoshi, Peter Meister, Emi

In: PLoS Genet, 2014, vol. 10, no. 10, p. e1004718

Parkinson's disease (PD) is the most common neurodegenerative movement disorder characterized by the progressive loss of dopaminergic (DA) neurons. Both environmental and genetic factors are thought to contribute to the pathogenesis of PD. Although several genes linked to rare familial PD have been identified, endogenous risk factors for sporadic PD, which account for the majority of PD cases,...

Université de Fribourg

Different Mi-2 Complexes for Various Developmental Functions in Caenorhabditis elegans

Passannante, Myriam ; Marti, Claude-Olivier ; Pfefferli, Catherine ; Moroni, Paolo S. ; Kaeser-Pebernard, Stéphanie ; Puoti, Alessandro ; Hunziker, Peter ; Wicky, Chantal ; Müller, Fritz

In: PLoS ONE, 2010, vol. 5, no. 10, p. e13681

Biochemical purifications from mammalian cells and Xenopus oocytes revealed that vertebrate Mi-2 proteins reside in multisubunit NuRD (Nucleosome Remodeling and Deacetylase) complexes. Since all NuRD subunits are highly conserved in the genomes of C. elegans and Drosophila, it was suggested that NuRD complexes also exist in invertebrates. Recently, a novel dMec complex, composed of dMi-2 and...

Université de Fribourg

The C. elegans Hox gene ceh-13 regulates cell migration and fusion in a non-colinear way. Implications for the early evolution of Hox clusters

Tihanyi, Borbála ; Vellai, Tibor ; Regős, Ágnes ; Ari, Eszter ; Müller, Fritz ; Takács-Vellai, Krisztina

In: BMC Developmental Biology, 2010, vol. 10, no. 78, p. 78

Background: Hox genes play a central role in axial patterning during animal development. They are clustered in the genome and specify cell fate in sequential domains along the anteroposterior (A-P) body axis in a conserved order that is co-linear with their relative genomic position. In the soil worm Caenorhabditis elegans, this striking rule of co-linearity is broken by the anterior Hox gene...

Université de Fribourg

Deciphering protein kinase specificity through large-scale analysis of yeast phosphorylation site motifs

Mok, Janine ; Kim, Philip M. ; Lam, Hugo Y. K. ; Piccirillo, Stacy ; Zhou, Xiuqiong ; Jeschke, Grace R. ; Sheridan, Douglas L. ; Parker, Sirlester A. ; Desai, Ved ; Jwa, Miri ; Cameroni, Elisabetta ; Niu, Hengyao ; Good, Matthew ; Remenyi, Attila ; Ma, Jia-Lin Nianhan ; Sheu, Yi-Jun ; Sassi, Holly E. ; Sopko, Richelle ; Chan, Clarence S. M. ; De Virgilio, Claudio ; Hollingsworth, Nancy M. ; Lim, Wendell A. ; Stern, David F. ; Stillman, Bruce ; Andrews, Brenda J. ; Gerstein, Mark B. ; Snyder, Michael ; Turk, Benjamin E.

In: Science Signaling, 2010, vol. 3, no. 109, p. ra12

Phosphorylation is a universal mechanism for regulating cell behavior in eukaryotes. Although protein kinases target short linear sequence motifs on their substrates, the rules for kinase substrate recognition are not completely understood. We used a rapid peptide screening approach to determine consensus phosphorylation site motifs targeted by 61 of the 122 kinases in Saccharomyces cerevisiae....

Université de Fribourg

The Caenorhabditis elegans ortholog of C21orf80, a potential new protein O-fucosyltransferase, is required for normal development

Menzel, Olivier ; Vellai, Tibor ; Takacs-Vellai, Krisztina ; Reymond, Alexandre ; Müller, Fritz ; Antonarakis, Stylianos E. ; Guipponi, Michel

In: Genomics, 2004, vol. 84, p. 320-330

Down syndrome (DS), as a phenotypic result of trisomy 21, is the most frequent aneuploidy at birth and the most common known genetic cause of mental retardation. DS is also characterized by other phenotypes affecting many organs, including brain, muscle, heart, limbs, gastrointestinal tract, skeleton, and blood. Any of the human chromosome 21 (Hsa21) genes may contribute to some of the DS...