Biological N2 fixation represents the major source of N input in agricultural soils including
those in arid regions. The major N2-fixing systems are the symbiotic systems, which can play …

Faba bean is a cool-season grain legume crop, which is grown worldwide for food and feed.
Despite a decrease in area under faba bean in the past, the interest in growing faba bean is …

The nodC and nifH genes were characterized in a collection of 83 rhizobial strains which
represented 23 recognized species distributed in the genera Rhizobium, Sinorhizobium …

Symbiotic nitrogen fixation is the main route for sustainable input of nitrogen into
ecosystems. Nitrogen fixation in agriculture can be improved by inoculation of legume crops …

Piriformospora indica, a cultivable root endophytic fungus, induces growth promotion as well
as biotic stress resistance and tolerance to abiotic stress in a broad range of host plants. In …

Legume nodules, specialized structures for nitrogen fixation, are probably the result of
coevolution of plants and ancestral rhizobia. Among the evolutionary processes leading to …

A group of four diverse rhizobial isolates and two soil isolates that are highly related to
Ensifer adhaerens were characterized by a polyphasic approach. On the basis of DNA–DNA …

Qinghai–Tibet plateau is the highest place in the world and the environment in that plateau
is hard for animals and plants, with low temperature, low concentration of oxygen and high …

Legumes and rhizobia exchange at least three different, but sometimes complementary sets
of signals. Amongst the variety of substances normally and continuously secreted into the …

Background Sinorhizobium meliloti and S. medicae are symbiotic nitrogen fixing bacteria in
root nodules of forage legume alfalfa (Medicago sativa L.). In Morocco, alfalfa is usually …