What is it about?

The effects of light are often ignored in studies of legume nodule development, but we show in this paper that perceiving red light is critical for the proper development of nitrogen-fixing nodules in Lotus.

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Why is it important?

Light quantity drives carbon production via photosynthesis, but light quality, i.e. different wavelengths of light, have profound effects on plant development. In this paper, we demonstrated that the phytochrome protein phyB, is essential for the formation of nitrogen-fixing root nodules. In other workd, red light promotes nodule development and far red light suppresses it.


Working with these co-authors has been a wonderful experience. In addition, this research gave me the opportunity to work on a project that my late postdoctoral advisor, John G. Torrey, was very interested in, but did not have the time to pursue himself.

Professor Ann M. Hirsch
University of California Los Angeles

Read the Original

This page is a summary of: Lotus japonicusNodulates When It Sees Red, July 2015, Wiley,
DOI: 10.1002/9781119053095.ch44.
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