A robust activity marking system for exploring active neuronal ensembles.

Abstract:

:Understanding how the brain captures transient experience and converts it into long lasting changes in neural circuits requires the identification and investigation of the specific ensembles of neurons that are responsible for the encoding of each experience. We have developed a Robust Activity Marking (RAM) system that allows for the identification and interrogation of ensembles of neurons. The RAM system provides unprecedented high sensitivity and selectivity through the use of an optimized synthetic activity-regulated promoter that is strongly induced by neuronal activity and a modified Tet-Off system that achieves improved temporal control. Due to its compact design, RAM can be packaged into a single adeno-associated virus (AAV), providing great versatility and ease of use, including application to mice, rats, flies, and potentially many other species. Cre-dependent RAM, CRAM, allows for the study of active ensembles of a specific cell type and anatomical connectivity, further expanding the RAM system's versatility.

journal_name

Elife

journal_title

eLife

authors

Sørensen AT,Cooper YA,Baratta MV,Weng FJ,Zhang Y,Ramamoorthi K,Fropf R,LaVerriere E,Xue J,Young A,Schneider C,Gøtzsche CR,Hemberg M,Yin JC,Maier SF,Lin Y

doi

10.7554/eLife.13918

subject

Has Abstract

pub_date

2016-09-23 00:00:00

issn

2050-084X

journal_volume

5

pub_type

杂志文章

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