environmental samplesuncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.uncultured Sphingomonas sp.