Unverified50% confidenceFactExact time

Leghemoglobin is highly similar in structure to animal hemoglobin and can maintain an ultra-low free oxygen concentration of approximately 10–50 nM inside root nodules to protect nitrogenase.

1

Sources

50%

Confidence

Long-term

Relevance

9/6/2026

First Seen

Sources

Rhizobium in Pea Roots: Three Irish Schoolgirls Crack the Code of Biological Nitrogen Fixation

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Related Claims

UnverifiedThe structure of leghemoglobin is highly similar to animal hemoglobin; it regulates the oxygen concentration inside root nodules to protect nitrogenase, giving fresh root nodules a pink color.74% similar Unverified兼性厌氧菌能感知肿瘤低氧梯度并趋化，在肿瘤核心区域的富集浓度可达周边正常组织的1000倍以上57% similar

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