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Paola Bonfante, Alessandro DesirĂ²
Bacterial interactions with plants and animals have been examined for many years; differently, only with the new millennium the study of bacterial-fungal interactions blossomed, becoming a new field of microbiology with relevance to microbial ecology, human health and biotechnology. Bacteria and fungi interact at different levels and bacterial endosymbionts, which dwell inside fungal cells, provide the most intimate example. Bacterial endosymbionts mostly occur in fungi of the phylum Mucoromycota and include Betaproteobacteria (Burkhoderia-related) and Mollicutes (Mycoplasma-related)...
August 2017: ISME Journal
Jiyeun Kate Kim, Jun Beom Lee, Ye Rang Huh, Ho Am Jang, Chan-Hee Kim, Jin Wook Yoo, Bok Luel Lee
The relation between gut symbiosis and immunity has been reported in various animal model studies. Here, we corroborate the effect of gut symbiont to host immunity using the bean bug model. The bean bug, Riptortus pedestris, is a useful gut symbiosis model due to the monospecific gut symbiont, genus Burkholderia. To examine the effect of gut symbiosis to host immunity, we generated the gut symbiont-harboring (symbiotic) insect line and the gut symbiont-lacking (aposymbiotic) insect line. Upon bacterial challenges, the symbiotic Riptortus exhibited better survival than aposymbiotic Riptortus...
November 2015: Developmental and Comparative Immunology
Akira Marumoto, Keiji Iwata
Infectious complications in patients with multiple myeloma remain the main cause of mortality because of disease-related immunodeficiency. A mycotic aortic aneurysm caused by Burkhoderia cepacia, which has been recognized as nosocomial pathogen in immunocompromised populations, is very rare and only few cases have been reported in the literature. We describe an unusual case of a ruptured mycotic aneurysm of the descending thoracic aorta with a DeBakey IIIb aortic dissection caused by Burkhoderia cepacia in a patient with active multiple myeloma during chemotherapy with anti-myeloma agents...
March 2016: General Thoracic and Cardiovascular Surgery
Chaveevan Leaungvutiviroj, Pimtida Ruangphisarn, Pikul Hansanimitkul, Hidenori Shinkawa, Ken Sasaki
Biofertilizers that possess a high capacity for N(2) fixation (Azotobacter tropicalis), and consist of phosphate solubilizing bacteria (Burkhoderia unamae), and potassium solubilizing bacteria (Bacillus subtilis) and produce auxin (KJB9/2 strain), have a high potential for growth and yield enhancement of corn and vegetables (Chinese kale). For vegetables, the addition of biofertilizer alone enhanced growth 4 times. Moreover, an enhancement of growth by 7 times was observed due to the addition of rock phosphate and K-feldspar, natural mineral fertilizers, in combination with the biofertilizer...
2010: Bioscience, Biotechnology, and Biochemistry
A A Budchenko, V I Iliukhin, D V Viktorov
Whole-cell proteins of 22 strain of Burkhoderia pseudomallei, including 13 B. mallei, 5 B. cepacia strains and 14 strains of opportunistically pathogenic Pseudomonas defined by 1D SDC-PAAG electrophoresis. Electrophoregrams contained 35 to 45 protein fractions sized 19 to 130 kDa, which were highly reproductive. On the basis of computer-aided comparative analysis of protein patterns the interspecies and intraspecies grouping of studied microorganisms was made. The cluster analysis of the similarity matrix of protein spectra made it possible to allocate two groups of strains at the level of similarity of 78%...
2005: Molekuliarnaia Genetika, Mikrobiologiia i Virusologiia
W M Dunne, W A Slater
The antimicrobial activity of merocyanine 540 (MC 540), a photosensitizing dye previously used to purge malignant cells from autologous bone marrow grafts, was evaluated against a panel of Gram-positive and Gram-negative bacteria and Candida albicans in the presence and absence of light. In the absence of light, MC 540 demonstrated no antibacterial activity against any of the organisms tested. When combined with increasing intervals of photoillumination, growth inhibition was observed with all Gram-positive organisms tested except Mycobacterium fortuitum...
October 1998: Diagnostic Microbiology and Infectious Disease
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