Researchers have identified a gene of wild soybean linked to salt tolerance
that could help soybean grow in saline soil. The research team include
experts from The Chinese University of Hong Kong, BGI and other institutes.

The research team discovered a novel ion transporter gene, GmCHX1, and
suggested it is related to salt tolerance, and that it acted probably
through lowering the Na+/K+ ratio. The team assumed that the elimination of
GmCHX1 in salt-sensitive germplasms may be an example of negative selection
against a stress tolerance gene in unstressed environments.

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