منابع مشابه
Robust Markers Reflecting Phylogeny and Taxonomy of Rhizobia
Genomic ANI (Average Nucleotide Identity) has been found to be able to replace DNA-DNA hybridization in prokaryote taxonomy. The ANI of each of the core genes that has a phylogeny congruent with the reference species tree of rhizobia was compared to the genomic ANI. This allowed us to identify three housekeeping genes (SMc00019-truA-thrA) whose ANI reflected the intraspecies and interspecies ge...
متن کاملNumerical Taxonomy and DNA Relatedness of Tropical Rhizobia Isolated from Hainan Province, China
A total of 63 strains of rhizobia isolated from Hainan Province, a tropical region of the People's Republic of China, and 27 representative strains belonging to the genera Rhizobium, Bradyrhizobium, and Agrobacterium were compared by performing numerical taxonomy, DNA hybridization, and DNA base composition analysis to determine the relationships among these rhizobia. The results indicated that...
متن کاملThe origins of uncooperative rhizobia
Mutualisms are thought to be destabilized by exploitative mutants that receive benefits from partners without reciprocation. Nonetheless, there is surprisingly little evidence for the spread of exploitation in mutualist populations. In particular mutualisms, non-beneficial partners are commonplace and this raises the question of whether exploitation is invading as an adaptive strategy. Here, we...
متن کاملTaxonomy of Global Air Transport
Data from the United Nations and the International Civil Aviation Organization Information Systems were used as a base for characterizing, classifying and comparing air transport demand and supply features of 156 countries. Relevant data from 1980 were chosen to reflect five sets of characteristics namely, air transport, 50cm-economic status, population demography, geographical and environmenta...
متن کاملPromoter prediction in the rhizobia.
The ability to recognize and predict non-sigma54 promoters in the alphaproteobacteria is not well developed. In this study, 25 experimentally verified Sinorhizobium meliloti promoter sequences were compiled and used to predict the location of other related promoters in the S. meliloti genome. Fourteen candidate predictions were targeted for verification and of these at least 12 proved to be gen...
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ژورنال
عنوان ژورنال: Agronomie
سال: 2001
ISSN: 0249-5627,1297-9643
DOI: 10.1051/agro:2001146