Bradyrhizobium pachyrhizi PAC48(T) has been isolated from a jicama nodule in Costa Rica. The draft genome indicates high similarity with that of Bradyrhizobium elkanii. Several coding sequences (CDSs) of the stress response might help in survival in the tropics. PAC48(T) carries nodD1 and nodK, similar to Bradyrhizobium (Parasponia) ANU 289 and a particular nodD2 gene.
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http://dx.doi.org/10.1128/genomeA.01074-15 | DOI Listing |
Syst Appl Microbiol
September 2023
Instituto de Medio Ambiente, Recursos Naturales y Biodiversidad, Universidad de León, Spain.
Cajanus cajan L. (guandul) is commonly cultivated in Dominican Republic where this legume is a subsistence crop. Here we identified through MALDI-TOF MS several rhizobial strains nodulating C.
View Article and Find Full Text PDFFront Microbiol
June 2023
College of Resources, Sichuan Agricultural University, Chengdu, China.
Introduction: The diversity, nitrogen-fixing capacity and heavy metal tolerance of culturable rhizobia in symbiotic relationship with surviving in vanadium (V) - titanium (Ti) magnetite (VTM) tailings is still unknown, and the rhizobia isolates from the extreme barren VTM tailings contaminated with a variety of metals would provide available rhizobia resources for bioremediation.
Methods: plants were cultivated in pots containing the VTM tailings until root nodules formed, and then culturable rhizobia were isolated from root nodules. The diversity, nitrogen-fixing capacity and heavy metal tolerance of rhizobia were performed.
J Appl Microbiol
January 2023
Embrapa Semiárido, Petrolina, PE 56302-970, Brazil.
Aims: To isolate and characterize non-rhizobial nodule-associated bacteria (NAB) from cowpea root-nodules regarding their performance of plant-growth-promoting mechanisms and their ability to enhance cowpea growth and symbiosis when co-inoculated with bradyrhizobia.
Methods And Results: Sixteen NAB were isolated, identified, and in vitro evaluated for plant growth promotion traits. The ability to promote cowpea growth was analyzed when co-inoculated with Bradyrhizobium pachyrhizi BR 3262 in sterile and non-sterile substrates.
Front Microbiol
May 2021
College of Life Science, Yantai University, Yantai, China.
is a climbing annual plant widely distributed in barren wilderness, grass land, and shrub bush of China and other countries such as Japan. However, the rhizobia nodulating with this plant has never been systematically studied. In order to reveal the biodiversity of nodulating rhizobia symbiosis with , a total of 874 rhizobium isolates were obtained from root nodules of the plant spread in 11 sampling sites of Shandong Peninsula, China, and they were designated as 41 haplotypes in the genus based upon sequence analyses.
View Article and Find Full Text PDFAppl Environ Microbiol
June 2019
Chemistry Department, Tshwane University of Technology, Pretoria, South Africa
Kersting's groundnut [ (Harms) Marechal & Baudet] is a neglected indigenous African legume adapted to growth in N-deficient soils due to its ability to fix atmospheric N via symbiosis with rhizobia. Despite its nutritional and medicinal uses, to date there is little information on the phylogeny and functional traits of its microsymbionts, aspects that are much needed for its conservation and improvement. This study explored the morphogenetic diversity, phylogenetic relationships, and N-fixing efficiency of Kersting's groundnut rhizobial isolates from contrasting environments in Ghana, South Africa, and Mozambique.
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