ATP-dependent RNA helicase SUV3 homolog, mitochondrial; Major helicase player in mitochondrial RNA metabolism and maintenance. Likely component of the mitochondrial degradosome (mtEXO) complex, that degrades 3' overhang double-stranded RNA with a 3'-to-5' directionality in an ATP-dependent manner (By similarity). ATPase and ATP-dependent multisubstrate helicase, able to unwind double-stranded (ds) DNA and RNA, and RNA/DNA heteroduplexes in the 5'-to-3' direction (By similarity). Regulates mRNA stability and is required for the correct processing and maturation of mitochondrial transcripts.

Bicoid stability factor (bsf) encodes a member of the family of proteins containing the pentatricopeptide motif, an RNA binding domain. It is found in the cytoplasm, where it functions in mRNA stability and post-transcriptional control of gene expression, and in mitochondria, where it has multiple roles in gene expression. It acts at many stages of development, and is required for progression through oogenesis and viability.

Inactive non-canonical poly(A) RNA polymerase protein Trf4-2; Polynucleotide adenylyltransferase activity. It is involved in the biological process described with: histone mRNA catabolic process; nuclear polyadenylation-dependent ncRNA catabolic process; snoRNA polyadenylation; Belongs to the DNA polymerase type-B-like family.

Ribonuclease Z, mitochondrial; Ribonuclease Z (RNaseZ) is a highly conserved gene that encodes the endoribonuclease RNase Z, which cleaves pre-tRNA molecules directly 3' to the discriminator. It has at least two biological roles - nuclear pre-tRNA processing and mitochondrial primary transcript processing.

Non-canonical poly(A) RNA polymerase protein Trf4-1; Involved in a post-transcriptional quality control mechanism limiting inappropriate expression of genetic information. Polyadenylation is required for the degradative activity of the exosome on several of its nuclear RNA substrates. Polyadenylates RNA processing and degradation intermediates of snRNAs and mRNAs.

Hiiragi, isoform D; Hiiragi (hrg) encodes the canonical poly(A) polymerase required for the nuclear poly(A) tail synthesis at the mRNA 3'-end. hrg product is also involved in cytoplasmic polyadenylation of specific mRNAs during early to mid-oogenesis, through its interaction with the CPEB (cytoplasmic polyadenylation element binding) protein encoded by orb.

DNA-directed RNA polymerase; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Belongs to the phage and mitochondrial RNA polymerase family.

Hyccin, isoform A; It is involved in the biological process described with: protein localization to plasma membrane; phosphatidylinositol phosphorylation.

Paraplegin, isoform A; Metallopeptidase activity; metalloendopeptidase activity; zinc ion binding; ATPase activity; ATP binding. It is involved in the biological process described with: mitochondrion organization; proteolysis.