REVIEW [1]

• Uridine insertion/deletion RNA editing in trypanosome mitochondria: A complex business

  LARRY SIMPSON ... RUSLAN APHASIZHEV

LETTERS TO THE EDITOR [2]

• A uniform system for microRNA annotation

  VICTOR AMBROS ... THOMAS TUSCHL
• Recurring features of local tertiary structural elements in RNA molecules exemplified by hepatitis D virus RNA

  DAVID A CIRCLE ... HUGH D. ROBERTSON

REPORTS [2]

• Discovery and characterization of Acanthamoeba castellanii mitochondrial 5S rRNA

  CHARLES E. BULLERWELL ... MICHAEL W. GRAY
• The role of a clinically important mutation in the fold and RNA-binding properties of KH motifs

  ANDRES RAMOS ... ANNALISA PASTORE

ARTICLES [6]

• Absence of transitive and systemic pathways allows cell-specific and isoform-specific RNAi in Drosophila

  JEAN-YVES ROIGNANT ... CHRISTOPHE ANTONIEWSKI
• Coordination of editing and splicing of glutamate receptor pre-mRNA

  EVA BRATT, MARIE ÖHMAN
• Two reactions of Haloferax volcanii RNA splicing enzymes: Joining of exons and circularization of introns

  SHILPA R. SALGIA ... RAMESH GUPTA
• Structure–function analysis of the 3′ stem-loop of hepatitis C virus genomic RNA and its role in viral RNA replication

  MINKYUNG YI, STANLEY M. LEMON
• Viroid RNA systemic spread may depend on the interaction of a 71-nucleotide bulged hairpin with the host protein VirP1

  ELSA MANIATAKI ... MINA TSAGRIS
• Common and distinctive features of GNRA tetraloops based on a GUAA tetraloop structure at 1.4 Å resolution

  CARL C. CORRELL, KERREN SWINGER

METHOD [1]

• A high-capacity RNA affinity column for the purification of human IRP1 and IRP2 overexpressed in Pichia pastoris

  CHARLES R. ALLERSON ... TRACEY A. ROUAULT