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In Vitro Cell Dev Biol Anim. 2017 May;53(5):383-405. doi: 10.1007/s11626-017-0142-5. Epub 2017 Apr 3.

Invitromatics, invitrome, and invitroomics: introduction of three new terms for in vitro biology and illustration of their use with the cell lines from rainbow trout.

Author information

1
Department of Biology, University of Waterloo, N2L 3G1, Waterloo, ON, Canada. ncbols@uwaterloo.ca.
2
Department of Biology, University of Waterloo, N2L 3G1, Waterloo, ON, Canada.
3
Faculty of Science, University of the Fraser Valley, V2S 7M8, Abbotsford, BC, Canada.

Abstract

The literature on cell lines that have been developed from rainbow trout (RT) (Oncorhynchus mykiss) is reviewed to illustrate three new terms: invitromatics, invitrome, and invitroomics. Invitromatics is defined as the history, development, characterization, engineering, storage, and sharing of cell lines. RT invitromatics differs from invitromatics for humans and other mammals in several ways. Nearly all the RT cell lines have developed through spontaneous immortalization. No RT cell line undergoes senescence and can be described as being finite, whereas many human cell lines undergo senescence and are finite. RT cell lines are routinely grown at 18-22°C in free gas exchange with air in basal media developed for mammalian cells together with a supplement of fetal bovine serum. An invitrome is defined as the grouping of cell lines around a theme or category. The broad theme in this article is all the cell lines that have ever been created from O. mykiss, or in other words, the RT invitrome. The RT invitrome consists of approximately 55 cell lines. These cell lines can also be categorized on the basis of their storage and availability. A curated invitrome constitutes all the cell lines in a repository and for RT consists of 11 cell lines. These consist of epithelial cell lines, such as RTgill-W1, and fibroblast cell lines, such as RTG-2. RTG-2 can be purchased from a scientific company and constitutes the commercial RT invitrome. Cell lines that are exchanged between researchers are termed the informally shared invitrome and for RT consists of over 35 cell lines. Among these is the monocyte/macrophage cell line, RTS11. Cell lines whose existence is in doubt are termed the zombie invitrome, and for RT, approximately 12 cell lines are zombies. Invitroomics is the application of cell lines to a scientific problem or discipline. This is illustrated with the use of the RT invitrome in virology. Of the RT invitrome, RTG-2 was the most commonly used cell line to isolate viruses. Fifteen families of viruses were studied with RT invitrome. RT cell lines were best able to support replication of viruses from the Herpesviridae, Iridoviridae, Birnaviridae, Togaviridae, and Rhabdoviridae families.

KEYWORDS:

Cell lines; Fish virology; Invitromatics; Invitrome; Invitroomics; New terms; Oncorhynchus mykiss; Rainbow trout

PMID:
28374170
DOI:
10.1007/s11626-017-0142-5
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