Invertebrate Marine Biology
  • Coastal Marine Science - Bays, Harbors, and Shorelines
  • Ascidian Biology and Taxonomy:  Styela clava specialist

Gastrointestinal Cell Biology & Immunology
  • Exocrine Secretion and Intestinal Transport
  • Pancreatic Enzyme Secretion and Liver Cell Biology
  • Cellular, Mucosal, and Innate (Granulocytes, Macrophages) Immunology

  • Light and Electron Microscopy (LM, TEM, & SEM)
  • Image Analysis
  • ImmunoAssays (ELISA, ELISPOT, FACS)
Ascidian References
Graduate work at Scripps Institution of Oceanography, UC San Diego
Postdoctoral work at UC Berkeley and UC San Francisco School of Medicine

1.Ermak, T.H.  An autoradiographic demonstration of blood cell renewal in Styela clava (Urochordata:                
         Ascidiacea).  Experimentia, 31: 837-839, 1975. (see also The Hematogenic Tissues of Tunicates, below).

2.Ermak, T.H.  Cell proliferation in the digestive tract of Styela clava (Urochordata: Ascidia¬cea) as revealed by
         autoradiography with tritiated thymidine.  J. Exp. Zool., 194: 449-466, 1975. 

3.Ermak, T.H. Renewal of the gonads in Styela clava (Urochordata: Ascidiacea) as revealed by autoradiography
         with tritiated thymidine.  Tiss. Cell, 8: 471-478, 1976.

4.Ermak, T.H.  Cell migration kinetics in the stomach of Styela clava (Urochordata: Ascidiacea).  J. Exp. Zool.,
         197: 339-346, 1976.

5.Ermak, T.H.  The hematogenic tissues of tunicates.  In, The Phylogeny of Thymus and Bone Marrow-Bursa
         Cells, R.K. Wright and E.L. Cooper, Eds., Elsevier/North Holland, Amsterdam,  pp. 45-56, 1976.

6.Ermak, T.H.  Glycogen deposits in the pyloric gland of the ascidian Styela clava (Urochordata)  Cell Tissue
         Res. 176: 47-55, 1977

7.Ermak, T.H.  A comparison of cell proliferation patterns in the digestive tract of ascidians.  J. Exp. Zool., 217:
         325-339, 198l.

8.Ermak, T.H.  The renewing cell populations of ascidians.  Amer. Zool.22: 795-805,1982.