TABLE 1.
B. thuringiensis strains used
| Straina | Protoxin gene composition | Origin | Reference(s) |
|---|---|---|---|
| B. thuringiensis subsp. kurstaki HD1 | cry1Aa, cry1Ab, cry1Ac, cryIIA, cryIIB | H. Dulmage, lab strainb | 20 |
| B. thuringiensis subsp. kurstaki 80-21 | cry1Aa, cry1Ac, cryIIA, cryIIB | Plasmid-cured HD1 | 2, 7 |
| B. thuringiensis subsp. aizawai HD133 | cry1Aa, cry1Ab, cry1C, cry1D | NRL, lab strainbc | 5, 17, 21 |
| B. thuringiensis subsp. aizawai 5 | cry1Aa, cry1C, cry1D | Plasmid-cured HD133 | 2, 5, 7 |
| B. thuringiensis subsp. aizawai HD112 | cry1Ab, cry1C, cry1Dd | NRL | |
| B. thuringiensis subsp. tolworthi HD124 | cry1Ab, cry1C, cry1Ed | NRL | |
| B. thuringiensis subsp. tolworthi 124-12 | cry1C, cry1E | Plasmid-cured derivative | 2 |
a
HD, original Howard Dulmage collection of strains.
b
The strain has been maintained in the laboratory for a number of years.
c
NRL, Howard Dulmage collection kept by L. K. Nakamura, Northern Regional Laboratory, Peoria, Ill.
d
The gene composition may be incomplete (7).