Helicobacter_Pylori_dFlgs

Description

Technical info

Tilt Series Date: 2019-09-22

Data Taken By: Mohammed Kaplan

Species / Specimen: Helicobacter pylori

Strain: 26695

Tilt Series Settings: Single Axis, tilt range: (-50.0°, 50.0°), step: 2°, constant angular increment, dosage: 130.0 eV/Ų, defocus: -8.0 μm, magnification: 19500x.

Microscope: Caltech Titan Krios

Acquisition Software: Serial EM

Upload Method: pipeline

Processing Software Used: None

Collaborators and Roles: I received these cells from Carrie Schaffer from the university of Kentucky. These are wild . type cells but they don't express complete FliP protein. Therefore, they don't assemble full . flagella. We knocked out FlgS protein of the flagellar motor to study the early assembly . states of flagellar motor.

Purification / Growth Conditions / Treatment: I grew the cells on blood agar plates from -80 stock at 37C with 5% CO2. the cells were grown . for 48 hours and then spread on a new plate with a cotton swab and left to grow for 24 hours. . The grids were prepared from both batches (48 hours, and 24 hours, separately).

Sample Preparation: The samples were prepared with Vitrobot IV. Blotting conditions were either: blot force 6, blot . time 3, drain time 1 OR blot force -3, blot time 4, drain time 1. 100% humidity. Cu grids. 10 nm . gold.

Attached Files

Hpylori_dFlgS48_good.mrc, Tilt Series (Pixel Size 0.4494 nm), 2.4 GB