SpV1-R8A2 B's complete genome contains 8273 nucleotides totaling 37.1% A, 8.1% C, 14.8% G, and 40% T. (UGA does not specify a stop codon in spiroplasmas; instead, the universal opal stop codon, UGA, codes for tryptophan.)[REF]
Virions of SpV1 are sensitive to chloroform and ether.