Design and development of high bioluminescent resonance energy transfer efficiency hybrid-imaging constructs

Manoj Kumar, Letícia Kovalski, David Broyles, Eric A. Hunt, Pirouz Daftarian, Emre Dikici, Sylvia Daunert, Sapna K Deo

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Here we describe the design and construction of an imaging construct with high bioluminescent resonance energy transfer (BRET) efficiency that is composed of multiple quantum dots (QDs; λem = 655 nm) self-assembled onto a bioluminescent protein, Renilla luciferase (Rluc). This is facilitated by the streptavidin-biotin interaction, allowing the facile formation of a hybrid-imaging construct (HIC) comprising up to six QDs (acceptor) grafted onto a light-emitting Rluc (donor) core. The resulting assembly of multiple acceptors surrounding a donor permits this construct to exhibit high resonance energy transfer efficiency (∼64.8%). The HIC was characterized using fluorescence excitation anisotropy measurements and high-resolution transmission electron microscopy. To demonstrate the application of our construct, a generation-5 (G5) polyamidoamine dendrimer (PAMAM) nanocarrier was loaded with our HIC for in vitro and in vivo imaging. We envision that this design of multiple acceptors and bioluminescent donor will lead to the development of new BRET-based systems useful in sensing, imaging, and other bioanalytical applications.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalAnalytical Biochemistry
Volume498
DOIs
StatePublished - Apr 1 2016

Fingerprint

Multimodal Imaging
Energy Transfer
Renilla Luciferases
Energy transfer
Imaging techniques
Luminescent Proteins
Dendrimers
Quantum Dots
Fluorescence Polarization
Streptavidin
Biotin
Transmission Electron Microscopy
Light
High resolution transmission electron microscopy
Semiconductor quantum dots
Anisotropy
Fluorescence

Keywords

  • Bioluminescence
  • Bioluminescence resonance energy transfer
  • Imaging construct
  • Quantum dots
  • Renilla luciferase

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology
  • Cell Biology

Cite this

Design and development of high bioluminescent resonance energy transfer efficiency hybrid-imaging constructs. / Kumar, Manoj; Kovalski, Letícia; Broyles, David; Hunt, Eric A.; Daftarian, Pirouz; Dikici, Emre; Daunert, Sylvia; Deo, Sapna K.

In: Analytical Biochemistry, Vol. 498, 01.04.2016, p. 1-7.

Research output: Contribution to journalArticle

Kumar, Manoj ; Kovalski, Letícia ; Broyles, David ; Hunt, Eric A. ; Daftarian, Pirouz ; Dikici, Emre ; Daunert, Sylvia ; Deo, Sapna K. / Design and development of high bioluminescent resonance energy transfer efficiency hybrid-imaging constructs. In: Analytical Biochemistry. 2016 ; Vol. 498. pp. 1-7.
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