Arthropod Collection Lab

Sample information

Picture
Photos by: Emma B
Location
Collection date 02/18/2025
Captive / Cultivated? Captive / Cultivated
Group Berkshire Community College
Observations

The crickets lived in a box in Petco altogether.

Putative identification Arthropoda Hexapoda Insecta Orthoptera Gryllidae Acheta Acheta domesticus

Methods

Extraction kit Monarch DNA extraction (NEB)
DNA extraction location Rear half
Single or Duplex PCR Duplex Reaction
Gel electrophoresis system Edvotek Gel Electrophoresis
Buffer TAE
DNA stain SYBR Safe
Gel images
Protocol notes

For DNA extraction we could have incubated for longer than we did. Incubation time was 1 minute and we didn’t set an exact timer. Other than that, the protocol was followed.

The Taq polymerase used were the New England Biolabs One Taq Hot Start. For PCR with the arthropod primers the annealing temp was 49C.

Updated: For the duplex PCR the annealing temp was 49C.

The Taq polymerase used-NEB OneTaq Hot Start Quick-Load 2x MM w/stand.

Date we set up second PCR reaction is 3/26/25.

Updated 4/2/25: Taq polymerase used: New England Biolabs OneTaq Hot Start Quick-Load 2x MM w/ Standard Buffer

DNA Ladder Used: New England Biolabs 1 kb Plus DNA Ladder for Safe Stains

Results

Wolbachia presence No
Confidence level High
Explanation of confidence level

Great controls and results that are very clear. Very high confidence that our arthropods are Wolbachia negative.

Wolbachia 16S sequence
Arthropod COI sequence
Summary The Acheta domesticus was found to be negative for Wolbachia.
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