Transfer from Rhizobium japonicum to Azotobacter vinelandii of genes required for nodulation.
AUTOR(ES)
Maier, R J
RESUMO
A mutant strain of Azotobacter vinelandii that is unable to fix N2 (Nif-) was transformed to Nif+ with DNA from Rhizobium japonicum. Of 50 Nif+ transformants tested, 3 contained the O antigen-related polysaccharide that is present on the cell surface of a nodulating R. japonicum strain, but is absent from a non-nodulating mutant strain.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=222375Documentos Relacionados
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