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1.
Braz. j. microbiol ; 42(3): 878-883, July-Sept. 2011. ilus
Artículo en Inglés | LILACS | ID: lil-607516

RESUMEN

Two endophytic strains of Methylobacterium spp. were used to evaluate biofilm formation on sugarcane roots and on inert wooden sticks. Results show that biofilm formation is variable and that plant surface and possibly root exudates have a role in Methylobacterium spp. host recognition, biofilm formation and successful colonization as endophytes.


Asunto(s)
Biopelículas , Methylobacterium/crecimiento & desarrollo , Methylobacterium/aislamiento & purificación , Saccharum , Muestras de Alimentos , Métodos , Microscopía Electrónica de Rastreo , Plantas , Métodos
2.
Neotrop. entomol ; 39(2): 308-310, mar.-abr. 2010.
Artículo en Inglés | LILACS | ID: lil-547697

RESUMEN

The colonization of Spodoptera frugiperda J.E. Smith larvae and rice seedlings by genetically modified endophytic bacterium Methylobacterium mesophilicum, and also the possible transfer of this bacterium to inside the larva's body during seedlings consumption were studied. The data obtained by bacterial reisolation and fluorescence microscopy showed that the bacterium colonized the rice seedlings, the larva's body and that the endophytic bacteria present in seedlings could be acquired by the larvae. In that way, the transference of endophytic bacterium from plants to insect can be a new and important strategy to insect control using engineered microorganisms.


Asunto(s)
Animales , Methylobacterium , Oryza/microbiología , Spodoptera/microbiología , Larva/microbiología , Methylobacterium/genética , Organismos Modificados Genéticamente
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