| isolation of an insertion sequence from ralstonia solanacearum race 1 and its potential use for strain characterization and detection. | a new insertion sequence (is), is1405, was isolated and characterized from a ralstonia solanacearum race 1 strain by the method of insertional inactivation of the sacb gene. sequence analysis indicated that the is is closely related to the members of is5 family, but the extent of nucleotide sequence identity in 5' and 3' noncoding regions between is1405 and other members of is5 family is only 23 to 31%. nucleotide sequences of these regions were used to design specific oligonucleotide primers fo ... | 2001 | 11525989 |
| legume symbiotic nitrogen fixation by beta-proteobacteria is widespread in nature. | following the initial discovery of two legume-nodulating burkholderia strains (l. moulin, a. munive, b. dreyfus, and c. boivin-masson, nature 411:948-950, 2001), we identified as nitrogen-fixing legume symbionts at least 50 different strains of burkholderia caribensis and ralstonia taiwanensis, all belonging to the beta-subclass of proteobacteria, thus extending the phylogenetic diversity of the rhizobia. r. taiwanensis was found to represent 93% of the mimosa isolates in taiwan, indicating that ... | 2003 | 14645288 |
| resistance of tomato line hawaii7996 to ralstonia solanacearum pss4 in taiwan is controlled mainly by a major strain-specific locus. | bacterial wilt caused by the soilborne bacterium ralstonia solanacearum attacks hundreds of plant species, including many agriculturally important crops. natural resistance to this disease has been found in some species and is usually inherited as a polygenic trait. in tomato, a model crop plant, genetic analysis previously revealed the involvement of several qtl (quantitative trait loci) controlling resistance and, in all of these studies with different strains of the pathogen, loci on chromoso ... | 2000 | 10656580 |
| outbreak of pseudomonas fluorescens bacteremia among oncology patients. | from 7 to 24 march 1997, four patients developed pseudomonas fluorescens bacteremia at the hospital; one on the oncology ward and the other three in the chemotherapy room. these patients all had underlying malignancies and had the port-a-cath (smiths industries medical systems, deltec, inc., st. paul, minn.) implants. three patients had primary bacteremia, and one had port-a-cath-related infection. none of these patients had received a blood transfusion before the episodes of bacteremia. all pat ... | 1998 | 9738043 |