Lipids in zebrafish yolks (IMAGE)
Caption
ApoB-containing lipoproteins carry lipid from the yolk of a zebrafish through the circulation to the growing tissues of the embryo. Later in development, they will also carry lipids from the intestine and liver. While normal, wild-type, zebrafish have clear yolks (top image), zebrafish with mutations in Mtp have abnormally opaque yolks because they have difficulty synthesizing triglyceride-rich ApoB-containing lipoproteins and moving lipid from the yolk to body tissues.
Credit
Image is courtesy of Navid Marvi.
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