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Root Exudate Metabolomics Reveals Phosphorus Acquisition Strategies in Lupinus albus

Rodrigues A, Tanaka M, Schmidt H

Summary

bioRxiv

White lupin roots secrete specialized chemicals at 50x normal rates to mine phosphorus, including 2 novel flavonoids that recruit helpful soil microbes.

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Key Findings

1

50x citrate/malate secretion in cluster roots

2

23 novel exudate compounds identified

3

2 new flavonoids enhance microbial phosphatase

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Original Abstract

White lupin cluster roots secrete citrate and malate at rates 50x higher than non-cluster roots. Metabolomic profiling identified 23 novel exudate compounds under P-deficiency, including two previously unknown flavonoids that enhance microbial phosphatase activity.

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This connects to 7 other discoveries — 1 species, 3 topics, 3 related articles

Species Mentioned

Lupinus albus

Lupinus albus, commonly known as the white lupin, is a species of the genus Lupinus in the family Fabaceae native to the northeastern Mediterranean region. It is also a traditional pulse cultivated across the Mediterranean region and elsewhere.

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