Nature·3 min read·hard
Pregnancy establishment in cattle without embryonic interferon tau
A
Ali, Asghar
✦AI Summary
Researchers have discovered that the embryonic interferon tau (IFNT) protein is not necessary for pregnancy in cattle, contradicting long-standing biological models. Using CRISPR-Cas9, scientists successfully produced healthy calves from embryos lacking the IFNT gene.
Why it matters
This discovery fundamentally revises the understanding of ruminant reproduction and could lead to new methods for improving reproductive efficiency in livestock.
Nature Communications volume 17 , Article number: 10609 ( 2026 ) Cite this article
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