Striated fibers in trichomonads: Costa proteins represent a new class of proteins forming striated roots
- 1 January 1994
- journal article
- research article
- Published by Wiley in Cell Motility
- Vol. 29 (1) , 82-93
- https://doi.org/10.1002/cm.970290108
Abstract
The production of monoclonal antibodies and the use of biochemical techniques revealed that B-type costa proteins in trichomonads are composed of several major polypeptides with molecular weight detected between 100 and 135 kDa similar to those found in the A-type costae. Although differences were observed between the two types in their fine structure, we tested whether proteins composing the two costa types belong to the same protein family. A polyclonal antibody produced against the 118 kDa costa protein of Trichomonas vaginalis also recognized a 118 kDa costa protein in all other trichomonad genera studied so far whether they have A- or B-type costae. Moreover biochemical characteristics of costa proteins indicated that these proteins might represent a novel class of striated root-forming proteins in addition to centrin, giardin, and assemblin.Keywords
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