Skip to main content


Follow @TetrahymenaSC

We are now shipping live cells, plasmids, genomic DNA, and media packets, although shipping may take somewhat longer than normal. Contact us with any questions.


Stock IDSD01543
Strain NameIA112
AKAcdaA-4 III
SpeciesT. thermophila
Genetic DescriptioncdaA-4/cdaA-4 (cdaA-4; III)
MAC Knockins/outs
MIC Knockins/outs
Gene of InterestCDAA (cell division arrest A) Originally published as mo1d
OriginF2 following outcross to B1975 III of an assortant derived from nitroso-guanidine mutagenesis of B1975 in 1976.
PublicationsFrankel J, Nelsen EM, Jenkins LM. 1977. Mutations affecting cell division in tetrahymena pyriformis, syngen 1. II. phenotypes of single and double homozygotes. Dev Biol 58(2):255-75.
CommentsFailure to form a fission zone (39oC). Allelic and phenotypically very similar to cdaA-1 (IA104), but much less extensively studied.

Submitted by Joseph Frankel, University of Iowa
Research Resource IdentifierTSC_SD01543
Requires MTA?No
Academic cost $45