Superresolution Microscopy of Drosophila Indirect Flight Muscle Sarcomeres

Sarcomeres are extremely highly ordered macromolecular assemblies where proper structural organization is an absolute prerequisite to the functionality of these contractile units. Despite the wealth of information collected, the exact spatial arrangement of many of the H-zone and Z-disk proteins rem...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Szikora Szilárd
Novák Tibor
Gajdos Tamás
Erdélyi Miklós
Mihály József
Dokumentumtípus: Cikk
Megjelent: 2020
Sorozat:BIO-PROTOCOL 10 No. 12
Tárgyszavak:
doi:10.21769/BioProtoc.3654

mtmt:31661623
Online Access:http://publicatio.bibl.u-szeged.hu/24995
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520 3 |a Sarcomeres are extremely highly ordered macromolecular assemblies where proper structural organization is an absolute prerequisite to the functionality of these contractile units. Despite the wealth of information collected, the exact spatial arrangement of many of the H-zone and Z-disk proteins remained unknown. Recently, we developed a powerful nanoscopic approach to localize the sarcomeric protein components with a resolution well below the diffraction limit. The ease of sample preparation and the near crystalline structure of the Drosophila flight muscle sarcomeres make them ideally suitable for single molecule localization microscopy and structure averaging. Our approach allowed us to determine the position of dozens of H-zone and Z-disk proteins with a quasi-molecular, similar to 5-10 nm localization precision. The protocol described below provides an easy and reproducible method to prepare individual myofibrils for dSTORM imaging. In addition, it includes an in-depth description of a custom made and freely available software toolbox to process and quantitatively analyze the raw localization data. 
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700 0 1 |a Gajdos Tamás  |e aut 
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