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The nucleotide sequence of a satellite RNA associated with arabis mosaic nepovirus

C. U. T. Hellen^1,

¹ Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB
² NERC Institute of Virology, Mansfield Road, Oxford OX1 3SR
³ Genetics Laboratory, Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU
and⁴ Max Planck Institut für Biophysikalische Chemie, Nikolaufberg, 3400 Göttingen, F.R.G.

The nucleotide sequence of a satellite RNA (satRNA) associated with a lilac isolate of arabis mosaic virus (ArMV) was determined from cDNA copies. The sequence was 1104 nucleotides in length excluding the poly(A) tail, contained a long open reading frame which encodes a polypeptide of 360 amino acids, with an M_r of 39K. Nucleotide sequence comparisons revealed that the ArMV-associated satRNA shared 83% nucleotide identity with a satRNA from grapevine fanleaf nepovirus, but no extensive sequence homology was observed with other nepoviral satRNAs.

Present address: Department of Microbiology, School of Medicine, Health Sciences Center, State University of New York at Stony Brook, New York 117794-8621, U.S.A.

Received 14 November 1989; accepted 6 February 1990.