Stop, Neighbor! KLU-PREs Positional Signaling Restricts Female Germline Fate in Arabidopsis.
Wang J
Summary
PubMedScientists discovered how plants prevent too many egg-producing cells from forming by using a molecular 'stop signal' that tells neighboring cells to stay out of the reproductive zone in the model plant Arabidopsis.
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Key Findings
KLU-PRE signaling acts as a positional cue that restricts female germline cell fate to a single cell in the ovule
The KLU peptide pathway communicates between neighboring cells to suppress extra germline identity, ensuring only one functional megaspore mother cell forms
Loss of this signaling leads to ectopic germline fate specification, demonstrating its essential role in reproductive fidelity
This connects to 10 other discoveries — 2 species, 3 topics, 5 related articles
Species Mentioned
Arabidopsis (rockcress) is a genus of small flowering plants in the cabbage and mustard family, Brassicaceae. Arabidopsis species are native to temperate and subarctic Eurasia and North America, North Africa, and the mountains of eastern tropical Africa. This genus is of great interest since it c...
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