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Image of the Day: Green Eggs 

Spotted salamander (Ambystoma maculatum) embryos are tinted green by the oxygen-producing algae (Oophila amblystomatis) that grow inside.

The Scientist Staff
May 18, 2017

Spotted salamander embryos hatching out of their egg capsules    

ROGER HANGARTER                                                                                                                                                                                         

New research demonstrates that green algae not only grow inside of a spotted salamander egg, but enter cells within its body. Thus far, this is the only example of endosymbiosis in a vertebrate. 

(See J.A. Burns et al., “Transcriptome analysis illuminates the nature of the intracellular interaction in a...