Much experimental evidence on the role of DNA methylation in gene expression has been reported. Here we review reports on DNA methylation in ciliated protozoa, emphasizing its implications in cell differentiation processes. Both types of methylated bases (adenine and cytosine) can be found in macronuclear DNA. The division cycle and conjugation have been studied with regard to adenine methylati...

Protein expression during the excystment of Colpoda cucullus was studied by SDS-PAGE. The expression levels of 60-, 50- and 49-kDa proteins were markedly changed from the early to later stage of excystment. The 60-kDa protein (p60) was temporarily expressed first, and its expression was inhibited by actinomycin D. LC-MS/MS analysis showed that the amino acid sequences of p60 partially coincided...

In this study, two halophilic bacterial strains isolated from saline habitats in Argentina grew in the presence of gas oil. They were identified as Halomonas spp. and Nesterenkonia sp. by 16S ribosomal RNA sequencing. Chemotaxis towards gas oil was observed in Halomonas spp. by using swimming assays.

24. Tibbs, J. & Marshall, B. J. 1970. Cyst wall protein s p thesis and some enzyme changes on starvation and encystment in Colpoda steinii. J . Protozool. 17, 125-8. 25. Tomlinson, G. & Jones, E. A. 1962. Isolation of cellulose from the cyst wall of a soil amoebae. ~ j ~ ~ h ~ ~ . ~ i ~ p h ~ ~ . ~~l~ 83, 194-200. 26. ~ . 1962. Mechanism of cyst wall formation in Acanthamoeba SP. Ph.D. thesis, ...