Molecule-level imaging of Pax6 mRNA distribution in mouse embryonic neocortex by molecular interaction force microscopy

Yu Jin Jung, Yu Shin Park, Ki Jun Yoon, Young Yun Kong, Joon Won Park, Hong Gil Nam

Research output: Contribution to journalArticle

Abstract

Detection of the cellular and tissue distributions of RNA species is critical in our understanding of the regulatory mechanisms underlying cellular and tissue differentiation. Here, we show that an atomic force microscope tip modified with 27-acid dendron, a cone shaped molecule with 27 monomeric units forming its base, can be successfully used to map the spatial distribution of mouse Pax6 mRNA on sectioned tissues of the mouse embryonic neocortex. Scanning of the sectioned tissue with a 30-mer DNA probe attached to the apex of the dendron resulted in detection of the target mRNA on the tissue section, permitting mapping of the mRNA distribution at nanometer resolution. The unprecedented sensitivity and resolution of this process should be applicable to identification of molecular level distribution of various RNAs in a cell.

Original languageEnglish (US)
Article numbere10
JournalNucleic Acids Research
Volume37
Issue number2
DOIs
StatePublished - 2009
Externally publishedYes

Fingerprint

Atomic Force Microscopy
Neocortex
Messenger RNA
RNA
DNA Probes
Tissue Distribution
Acids
dendron

ASJC Scopus subject areas

  • Genetics

Cite this

Molecule-level imaging of Pax6 mRNA distribution in mouse embryonic neocortex by molecular interaction force microscopy. / Jung, Yu Jin; Park, Yu Shin; Yoon, Ki Jun; Kong, Young Yun; Park, Joon Won; Nam, Hong Gil.

In: Nucleic Acids Research, Vol. 37, No. 2, e10, 2009.

Research output: Contribution to journalArticle

Jung, Yu Jin ; Park, Yu Shin ; Yoon, Ki Jun ; Kong, Young Yun ; Park, Joon Won ; Nam, Hong Gil. / Molecule-level imaging of Pax6 mRNA distribution in mouse embryonic neocortex by molecular interaction force microscopy. In: Nucleic Acids Research. 2009 ; Vol. 37, No. 2.
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