Preformed poly(A)-containing RNA in zoospores of Blastocladiella emersonii.

Discharged zoospores of Blastocladiella emersonii contain poly(A)-containing RNA, which is performed during the initial stages of zoospore differentiation in the sporangium and is stable in vivo for at least 4 h. The average molecular weight of this RNA fraction is estimation to be 5.5-10(5) or 1600 nucleotides. The average length of the poly(A) sequence is approx. 100 nucleotides Poly(A)-containing RNA does not appear to accumulate in a gamma-particle fraction previously suggested to be involved in the storage of mRNA.