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Showing 1 to 11 of 11 entries
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Drosophila Syncrip binds the gurken mRNA localisation signal and regulates localised transcripts during axis specification.

Biology open

McDermott SM, Meignin C, Rappsilber J, Davis I.
PMID: 23213441
Biol Open. 2012 May 15;1(5):488-97. doi: 10.1242/bio.2012885. Epub 2012 Apr 11.

In the Drosophila oocyte, mRNA transport and localised translation play a fundamental role in axis determination and germline formation of the future embryo. gurken mRNA encodes a secreted TGF-α signal that specifies dorsal structures, and is localised to the...

Quantitative cross-linking/mass spectrometry reveals subtle protein conformational changes.

Wellcome open research

Chen Z, Fischer L, Tahir S, Bukowski-Wills JC, Barlow P, Rappsilber J.
PMID: 27976756
Wellcome Open Res. 2016 Nov 15;1:5. doi: 10.12688/wellcomeopenres.9896.1. eCollection 2016.

Quantitative cross-linking/mass spectrometry (QCLMS) probes protein structural dynamics in solution by quantitatively comparing the yields of cross-links between different conformational statuses. We have used QCLMS to understand the final maturation step of the proteasome lid and also to elucidate...

Efficient and versatile CRISPR engineering of human neurons in culture to model neurological disorders.

Wellcome open research

Shah RR, Cholewa-Waclaw J, Davies FCJ, Paton KM, Chaligne R, Heard E, Abbott CM, Bird AP.
PMID: 27976757
Wellcome Open Res. 2016 Nov 15;1:13. doi: 10.12688/wellcomeopenres.10011.1.

The recent identification of multiple new genetic causes of neurological disorders highlights the need for model systems that give experimental access to the underlying biology. In particular, the ability to couple disease-causing mutations with human neuronal differentiation systems would...

Quirks of Error Estimation in Cross-Linking/Mass Spectrometry.

Analytical chemistry

Fischer L, Rappsilber J.
PMID: 28267312
Anal Chem. 2017 Apr 04;89(7):3829-3833. doi: 10.1021/acs.analchem.6b03745. Epub 2017 Mar 24.

Cross-linking/mass spectrometry is an increasingly popular approach to obtain structural information on proteins and their complexes in solution. However, methods for error assessment are under current development. We note that false-discovery rates can be estimated at different points during...

Blind testing cross-linking/mass spectrometry under the auspices of the 11.

Wellcome open research

Belsom A, Schneider M, Fischer L, Mabrouk M, Stahl K, Brock O, Rappsilber J.
PMID: 28317030
Wellcome Open Res. 2016 Dec 09;1:24. doi: 10.12688/wellcomeopenres.10046.1.

Determining the structure of a protein by any method requires various contributions from experimental and computational sides. In a recent study, high-density cross-linking/mass spectrometry (HD-CLMS) data in combination with

Cdc14 phosphatase directs centrosome re-duplication at the meiosis I to meiosis II transition in budding yeast.

Wellcome open research

Fox C, Zou J, Rappsilber J, Marston AL.
PMID: 28133632
Wellcome Open Res. 2017 Jan 05;2:2. doi: 10.12688/wellcomeopenres.10507.2.

No abstract available.

Cross-linking mass spectrometry identifies new interfaces of Augmin required to localise the γ-tubulin ring complex to the mitotic spindle.

Biology open

Chen JWC, Chen ZA, Rogala KB, Metz J, Deane CM, Rappsilber J, Wakefield JG.
PMID: 28351835
Biol Open. 2017 May 15;6(5):654-663. doi: 10.1242/bio.022905.

The hetero-octameric protein complex, Augmin, recruits γ-Tubulin ring complex (γ-TuRC) to pre-existing microtubules (MTs) to generate branched MTs during mitosis, facilitating robust spindle assembly. However, despite a recent partial reconstitution of the human Augmin complex

Microinjection of Antibodies Targeting the Lamin A/C Histone-Binding Site Blocks Mitotic Entry and Reveals Separate Chromatin Interactions with HP1, CenpB and PML.

Cells

Dixon CR, Platani M, Makarov AA, Schirmer EC.
PMID: 28346356
Cells. 2017 Mar 25;6(2). doi: 10.3390/cells6020009.

Lamins form a scaffold lining the nucleus that binds chromatin and contributes to spatial genome organization; however, due to the many other functions of lamins, studies knocking out or altering the lamin polymer cannot clearly distinguish between direct and...

Dgp71WD is required for the assembly of the acentrosomal Meiosis I spindle, and is not a general targeting factor for the γ-TuRC.

Biology open

Reschen RF, Colombie N, Wheatley L, Dobbelaere J, St Johnston D, Ohkura H, Raff JW.
PMID: 23213433
Biol Open. 2012 May 15;1(5):422-9. doi: 10.1242/bio.2012596. Epub 2012 Mar 06.

Dgp71WD/Nedd1 proteins are essential for mitotic spindle formation. In human cells, Nedd1 targets γ-tubulin to both centrosomes and spindles, but in other organisms the function of Dgp71WD/Nedd1 is less clear. In Drosophila cells, Dgp71WD plays a major part in...

Optimizing the Parameters Governing the Fragmentation of Cross-Linked Peptides in a Tribrid Mass Spectrometer.

Analytical chemistry

Kolbowski L, Mendes ML, Rappsilber J.
PMID: 28402676
Anal Chem. 2017 May 16;89(10):5311-5318. doi: 10.1021/acs.analchem.6b04935. Epub 2017 Apr 26.

We compared the five different ways of fragmentation available on a tribrid mass spectrometer and optimized their collision energies with regard to optimal sequence coverage of cross-linked peptides. We created a library of bis(sulfosuccinimidyl)suberate (BS3/DSS) cross-linked precursors, derived from...

Complementary Benzophenone Cross-Linking/Mass Spectrometry Photochemistry.

Analytical chemistry

Belsom A, Mudd G, Giese S, Auer M, Rappsilber J.
PMID: 28430416
Anal Chem. 2017 May 16;89(10):5319-5324. doi: 10.1021/acs.analchem.6b04938. Epub 2017 May 04.

Use of a heterobifunctional photoactivatable cross-linker, sulfo-SDA (diazirine), has yielded high-density data that facilitated structure modeling of individual proteins. We expand the photoactivatable chemistry toolbox here with a second reagent, sulfo-SBP (benzophenone). This further increases the density of photo-cross-linking...

Showing 1 to 11 of 11 entries