Directed transposon Tn5 mutagenesis and complementation in slow-growing, broad host range cowpea Rhizobium

1984 ◽  
Vol 196 (2) ◽  
pp. 290-300 ◽  
Author(s):  
Mittur N. Jagadish ◽  
Aladar A. Szalay
1990 ◽  
Vol 4 (6) ◽  
pp. 977-989 ◽  
Author(s):  
S. A. Coomber ◽  
M. Chaudhri ◽  
A. Connor ◽  
G. Britton ◽  
C. N. Hunter

1985 ◽  
Vol 31 (3) ◽  
pp. 220-223 ◽  
Author(s):  
Thomas J. McLoughlin ◽  
P. Ann Owens ◽  
Scott G. Alt

The ability of eight fast-growing strains of Rhizobium japonicum to compete for nodule sites against two slow-growing strains of R. japonicum was measured using different input ratios (1:1, 1:10, and 10:1) on Glycine max cv. Peking and cv. Jacques 130 in growth pouches. The slow growers formed >60% of the nodules on cv. Peking even when the fast growers were added at a 10:1 ratio in their favor. We also measured the competitive ability of 10 fast-growing strains of R. japonicum, including these 8 strains, and ANU240 (a fast-growing broad host range strain) at two inoculum levels, 106 and 109 cells/seed on cv. Peking and cv. Jacques 130 in pots containing two midwestern soils which contained high numbers of indigenous rhizobia. In one soil, 3 of the 10 fast-growing strains occupied >60% of the nodules on cv. Peking at 109 inoculum level. No nodules were formed by the fast-growing strains on cv. Jacques 130 in any of the experiments.


2015 ◽  
Vol 16 (12) ◽  
pp. 28050-28062 ◽  
Author(s):  
Jinyan Luo ◽  
Wen Qiu ◽  
Lei Chen ◽  
Syed Anjum ◽  
Menghao Yu ◽  
...  

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