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StatusReference proteome
Proteinsi <p>Number of protein entries associated with this proteome: UniProtKB entries for regular proteomes or UniParc entries for redundant proteomes (<a href="/help/proteome%5Fredundancy">more...</a>)</p> 39,461
Gene counti <p>This is the total number of unique genes found in the proteome set, algorithmically computed. For each gene, a single representative protein sequence is chosen from the proteome. Where possible, reviewed (Swiss-Prot) protein sequences are chosen as the representatives.</p> - Download one protein sequence per gene (FASTA)
Proteome IDi <p>The proteome identifier (UPID) is the unique identifier assigned to the set of proteins that constitute the <a href="">proteome</a>. It consists of the characters 'UP' followed by 9 digits, is stable across releases and can therefore be used to cite a UniProt proteome.<p><a href='/help/proteome_id' target='_top'>More...</a></p>UP000000600
Taxonomy5888 - Paramecium tetraurelia
StrainStock d4-2
Last modifiedDecember 21, 2020
Genome assembly and annotationi <p>Identifier for the genome assembly (<a href="">more...</a>)</p> GCA_000165425.1 from ENA/EMBL full
Buscoi <p>The Benchmarking Universal Single-Copy Ortholog (BUSCO) assessment tool is used, for eukaryotic and bacterial proteomes, to provide quantitative measures of UniProt proteome data completeness in terms of expected gene content. BUSCO scores include percentages of complete (C) single-copy (S) genes, complete (C) duplicated (D) genes, fragmented (F) and missing (F) genes, as well as the total number of orthologous clusters (n) used in the BUSCO assessment.</p> C:98.8%[S:28.1%,D:70.8%],F:0.6%,M:0.6%,n:171 alveolata_odb10

Paramecium tetraurelia is a unicellular eukaryote (~120 micro m in length) that is used to represent the ciliate phylum. This phylum is characterized by cilia on the exterior of the organism which provide for locomotion and the capture of food.

Ciliates have dimorphic nuclei; the large nucleus, called the macronucleus, operates the somatic function and the micronuclei are required for sexual reproduction as they contain the germinal DNA. When moving through the water, paramecia rotate on the long axis producing a spiral motion through the water. When an obstacle is encountered they exhibit an avoidance reaction, backing away at an angle and starting off in a new direction.

Paramecia feed on microorganisms like bacteria, algae, and yeasts. Cilia sweep the food towards the oral groove, where it is ingested into food vacuoles. Enzymes from the cytoplasm digest the food as the vacuole makes its way to the anal pore where undigested food is expelled.

The Paramecium genome has diploid micronuclei and highly polyploid macronuclei (the exact level of ploidy is unknown). The genome is approximately 87 Mb in size, and has gone through at least three successive whole-genome duplications. It is predicted to have 39,642 protein-coding genes.

Componentsi <p>Genomic components encoding the proteome</p>

Component nameGenome Accession(s)
Component representationProteins
Partially assembled WGS sequence39350
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Main funding by: National Institutes of Health

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