Evidence map›Paper›PMID 27149846›Full record

ArticleCell reports2016

Improved Monosynaptic Neural Circuit Tracing Using Engineered Rabies Virus Glycoproteins.

Euiseok J Kim, Matthew W Jacobs, Tony Ito-Cole, Edward M Callaway

Abstract read
In one paragraph

Article in Cell reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 140 papers.

0numbers the graph read from it
0cells of the map it votes in
140citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

140 citing papers in PubMed.

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  12. A genetically defined pontine nucleus essential for ingestion in mice.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  13. Article
  14. Thalamic CGRP neurons define a spinothalamic pathway for affective pain.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  15. Article
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  19. Article
  20. Adeno-associated viruses for efficient gene expression in the axolotl nervous system.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article

80 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Euiseok J KimSystems Neurobiology Laboratories, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.
Matthew W JacobsSystems Neurobiology Laboratories, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.
Tony Ito-ColeSystems Neurobiology Laboratories, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.
Edward M CallawaySystems Neurobiology Laboratories, The Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. Electronic address: callaway@salk.edu.

Funding

Local Connections of Inhibitory Cortical NeuronsR01MH063912 · NIMH · SALK INSTITUTE FOR BIOLOGICAL STUDIES · PI CALLAWAY, EDWARD M · 2001 to 2020
$8.4M
Organization and Function of Visual Cortical Feedback SystemsR01EY022577 · NEI · SALK INSTITUTE FOR BIOLOGICAL STUDIES · PI EDWARD M CALLAWAY · 2012 to 2026
$8.0M
NEI NIH HHS R01 EY022577NIMH NIH HHS R01 MH063912
6 · The paper itself

Abstract

Monosynaptic rabies virus tracing is a unique and powerful tool used to identify neurons making direct presynaptic connections onto neurons of interest across the entire nervous system. Current methods utilize complementation of glycoprotein gene-deleted rabies of the SAD B19 strain with its glycoprotein, B19G, to mediate retrograde transsynaptic spread across a single synaptic step. In most conditions, this method labels only a fraction of input neurons and would thus benefit from improved efficiency of transsynaptic spread. Here, we report newly engineered glycoprotein variants to improve transsynaptic efficiency. Among them, oG (optimized glycoprotein) is a codon-optimized version of a chimeric glycoprotein consisting of the transmembrane/cytoplasmic domain of B19G and the extracellular domain of rabies Pasteur virus strain glycoprotein. We demonstrate that oG increases the tracing efficiency for long-distance input neurons up to 20-fold compared to B19G. oG-mediated rabies tracing will therefore allow identification and study of more complete monosynaptic input neural networks.

Identifiers

PMID27149846
PMCPMC5063660

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.