ES
Ellie J Spahr
  • West Virginia University Morgantown
Staining and Scanning Protocol for Micro-Computed Tomography to Observe the Morphology of Soft Tissues in Ambrosia Beetles

Advances in imaging technology offer new opportunities in developmental biology. To observe the development of internal structures, microtome cross-sectioning followed by H&E staining on glass slides is a common procedure; however, this technique can be destructive, and artifacts can be introduced during the process. In this protocol, we describe a less invasive procedure with which we can stain insect samples and obtain reconstructed three-dimensional images using micro-computed tomography, or micro-CT (µCT). Specifically, we utilize the fungus-farming ambrosia beetle species Euwallacea validus to observe the morphology of mycangia, a critical internal organ with which beetles transport fungal symbionts. Not only this protocol is ideal to observe mycangia, our staining/scanning procedure can also be applied to observe other delicate tissues and small organs in arthropods.


Graphical abstract


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