Dr Barbara Ciani (she/her)

School of Mathematical and Physical Sciences

Lecturer in Biophysical Chemistry and Departmental BSO

Departmental BSO

Barbara Ciani
Profile picture of Barbara Ciani
b.ciani@sheffield.ac.uk
+44 114 222 9438

Full contact details

Dr Barbara Ciani
School of Mathematical and Physical Sciences
C72
Dainton Building
13 Brook Hill
º¬Ð߲ݴ«Ã½
S3 7HF
Profile

Dr. Ciani obtained a Laurea in Chemistry at University "La Sapienza", Rome in 1997. This was followed by a DPhil in Biochemistry at the University of Sussex in Brighton in 2001, after which she became a Postdoctoral Research Associate at the University of Nottingham (2001-2003) and subsequently at the University of Manchester (2004-2008). In 2008 she was appointed as a Lecturer in Biophysical Chemistry at the University of º¬Ð߲ݴ«Ã½.

Qualifications
  • FHEA
  • MSRC
Research interests

How is function encoded in protein self-assembly?
In our laboratory, we study the mechanisms at the basis of protein self-assembly in solution and how they regulate biological processes. Such knowledge allows us to interact both with academic and industrial collaborators and have impact in both of these areas.

We focus on two main areas of interest, but any challenge that involves biophysical chemistry and biomolecular interactions spurs our curiosity and efforts!

1. Protein self-assembly proteins shape lipid membranes to maintain cellular compartmentalisation.

Compartmentalisation of chemical reactions is fundamental for the function of any biological cell. The confinement provided by membrane interfaces in intracellular organelles allows their contents to carry out specific tasks without the interference from other processes. Specifically, we focus on the biochemical and biophysical mechanisms of cellular membrane repair. Remodelling of phospholipid membranes underpins most cellular functions from membrane trafficking to viral infections and genome compartmentalisation.

STED imaging of membrane repair proteins ESCRT-III accumulating at a micronucleus in a HeLa cell (red:CHMP7; green:CHMP4B; blue:DAPI). Willan J, et al Oncogenesis. 2019 Apr 15;8(5):29. doi: 10.1038/s41389-019-0136-0.
STED imaging of membrane repair proteins ESCRT-III accumulating at a micronucleus in a HeLa cell (red:CHMP7; green:CHMP4B; blue:DAPI). Willan J, et al Oncogenesis. 2019 Apr 15;8(5):29. doi: 10.1038/s41389-019-0136-0.

Scientific Questions we are addressing –
•    What are the signals that lead proteins to assemble into larger structures to sculpt phospholipid membranes?
•    How does membrane integrity maintain the healthy state of a biological cell?
•    Can we repurpose these biological processes for novel functions?

We tackle these questions with a combination of biochemistry, cell biology and protein design approaches.

2. The physical chemistry that governs protein physical status in solution

We collaborate with industry partners to understand how to combine knowledge of of protein-protein interactions with the development of specific biophysical/analytical methodologies to support prediction and faster optimisation of formulations. Such knowledge is crucial also for academics that study protein aggregation in the context of healthy and diseased states.

We tackle this challenge with a combination of biophysical and analytical chemistry techniques and structural biology approaches.

Our lab has expertise in:

  • Protein engineering and high-level recombinant peptide and protein expression for structural studies
  • De novo and rational design of peptides and proteins
  • Protein stability and protein-protein interaction measurements
  • Characterisation of self-assembly and aggregation of proteins
  • Characterisation of protein-membranes interactions
  • Mechanisms of nuclear envelope membranes repair
  • Endosomal membrane trafficking
Publications

Journal articles

  • Booth A, Marklew C, Ciani B & Beales PA (2021) . Faraday Discussions, 232, 188-202. RIS download Bibtex download
  • Thaller DJ, Tong D, Marklew CJ, Ader NR, Mannino PJ, Borah S, King MC, Ciani B & Lusk CP (2021) . Journal of Cell Biology, 220(3). RIS download Bibtex download
  • Booth A, Marklew CJ, Ciani B & Beales PA (2019) . iScience, 15, 173-184. RIS download Bibtex download
  • Willan J, Cleasby AJ, Flores-Rodriguez N, Stefani F, Rinaldo C, Pisciottani A, Grant E, Woodman P, Bryant HE & Ciani B (2019) . Oncogenesis, 8(5). RIS download Bibtex download
  • Chand S, Beales PA, Claeyssens F & Ciani B (2018) . Experimental Biology and Medicine. RIS download Bibtex download
  • Thompson MJ, Gotham V, Ciani B & Grasby JA (2018) . Nucleic Acids Research, 46(15), 7858-7872. RIS download Bibtex download
  • Teare P, Smith CF, Adams SJ, Anbu S, Ciani B, Jeuken LJC & Peacock AFA (2018) . Dalton Transactions, 47(31), 10784-10790. RIS download Bibtex download
  • Marklew CJ, Booth A, Beales PA & Ciani B (2018) . Interface Focus, 8(5). RIS download Bibtex download
  • Muthana M, Hawtree S, Wilshaw A, Linehan E, Roberts H, Khetan S, Adeleke G, Wright F, Akil M, Fearon U , Veale D et al (2015) . Proceedings of the National Academy of Sciences, 112(37), 11618-11623. RIS download Bibtex download
  • Beales PA, Ciani B & Cleasby AJ (2015) . Phys. Chem. Chem. Phys., 17(24), 15489-15507. RIS download Bibtex download
  • Patel N, Exell JC, Jardine E, Ombler B, Finger LD, Ciani B & Grasby JA (2013) . J. Biol. Chem., 288, 34239-34248. RIS download Bibtex download
  • Ciani B, Bjelic S, Honnappa S, Jawhari H, Jaussi R, Payapilly A, Jowitt T, Steinmetz MO & Kammerer RA (2010) . Proc Natl Acad Sci U S A, 107(46), 19850-19855. RIS download Bibtex download
  • Macdonald PR, Progias P, Ciani B, Patel S, Mayer U, Steinmetz MO & Kammerer RA (2006) . J Biol Chem, 281(38), 28408-28414. RIS download Bibtex download
  • Green LR, Issa R, Albaldi F, Urwin L, Thompson R, Khalid H, Turner CE, Ciani B, Partridge LJ & Monk PN () . mBio. RIS download Bibtex download

Preprints

  • Willan J, Cleasby A, Flores-Rodriguez N, Stefani F, Rinaldo C, Pisciottani A, Grant E, Woodman P, Bryant H & Ciani B () . RIS download Bibtex download
Teaching interests

Thermodynamics; Biological chemistry; Bioinformatics; Toxicology; Protein design and Structural Biology

Teaching activities

Undergraduate and postgraduate taught modules

  • Thermodynamics, Equilibria and Electrochemistry (Level 1)
    This course introduces quantitative description of chemical and electrochemical equilibria and their energetics.
  • Skills for Success (Level 3)
    The Skills for Success Project aims to ensure that students identify and develop skills that will be of use to them in life, future study and employment and provide a basis from which they can undertake further training of a professional nature.
  • Biophysical Chemistry (Level 4)
    This lecture course provides a background to protein design and an overview of the classical methods employed to investigate the structure of biopolymers and their interactions.
  • Toxicology (MSc Drug Discovery Science)
    This segment concerns with basic concepts and methodology in Toxicology as applied to drug development. part of the Pharmacology, Medicinal Chemistry and Drug Design core module.
  • Bioinformatics (MSc Drug Discovery Science)
    This segment concerns with the use of online databases to retrieve genetic and structural information on protein targets. It also introduces the students to basic homology modelling of proteins using specialised software and servers.

Support Teaching:

  • Tutorials: Level 1 General Chemistry, Level 2 Physical Chemistry
  • Level 3 and MSc Literature Review

Laboratory Teaching:

  • Level 1 Chemistry Laboratories
  • Level 2 Physical Laboratories
  • Level 4 Research Project
  • Level 6 Drug Discovery Science project
Professional activities and memberships

Active member of the RSC Biophysical Chemistry Interest Group.

Full member of the EPSRC review college.