1.
J Biol Chem
; 270(11): 6050-5, 1995 Mar 17.
Artículo
en Inglés
| MEDLINE
| ID: mdl-7890737
RESUMEN
Phaseolus vulgaris (common bean) can be nodulated by different Rhizobium species. A new species has been recently proposed: Rhizobium etli. Following transcriptional activation of the bacterial nodulation genes using naringenin or bean seed exudate, we have isolated, purified, and characterized R. etli extracellular nodulation factors. They are chitopentameric compounds that are N-methyl-N-vaccenoylated at their non-reducing end. At position 6 of the reducing N-acetyl-D-glucosamine, they are 4-O-acetyl-L-fucosylated. Minor compounds bear a carbamate group on the terminal non-reducing saccharidic residue.