TABLE 2.

Numbers of nucleotide changes observed in experimental studies with several RYMV isolates, rice cultivars, and durations of infection

IsolateStrainRice cultivarsaDuration of infection (mo)No. of nt changesb
TotalSynonymousNonsynonymous
CI4S1IR64/Gigante6642
CI4S1IR64/Gigante/IR642312
CI4S1IR64/Gigante2532
CI4S1Gigante/Bekarosaka1101
Ma203S2IR64/Gigante3101
Mg1S4IR64/Azucena6330
Total2019118
  • a The isolate maintained on the first cultivar was inoculated into the second cultivar.

  • b Assessed by comparing the full-length sequence of the isolate at and after inoculation.