In agroecosystems, nitrogen is one of the major nutrients limiting plant growth. To meet the
increased nitrogen demand in agriculture, synthetic fertilizers have been used extensively in …

Nitrogen is abundant in the atmosphere but is generally the most limiting nutrient for plants.
The inability of many crop plants, such as cereals, to directly utilize freely available …

Legumes form a large group of plants that constitute the third largest family of angiosperms,
including near 20,000 species and 750 genera. Most of them have the ability to establish …

Background and aim Nitrogen-fixing bacteria or diazotrophs have been isolated for many
years using different formulations of N-free semi-solid media. However, the strategies used …

Microbes are the unseen majority in soil and comprise a large portion of life's genetic
diversity. Despite their abundance, the impact of soil microbes on ecosystem processes is …

Burkholderia sensu lato is a large and complex group, containing pathogenic,
phytopathogenic, symbiotic and non-symbiotic strains from a very wide range of …

Background The metabolic capacity for nitrogen fixation is known to be present in several
prokaryotic species scattered across taxonomic groups. Experimental detection of nitrogen …

Rhizobia form specialized nodules on the roots of legumes (family Fabaceae) and fix
nitrogen in exchange for carbon from the host plant. Although the majority of legumes form …

The genus Burkholderia comprises more than 60 species isolated from a wide range of
niches. Although they have been shown to be diverse and ubiquitously distributed, most …

Both in natural and in managed ecosystems, bacteria are common inhabitants of the
phytosphere and the internal tissues of plants. Probably the most diverse and …