Marian Yong-An Hu, PhD

Research Interests

Evolutionary aspects of acid-base physiology in marine organisms; Studying physiological parameters to understand the unifying principles that make organisms tolerant/sensitive to environmental changes.

  • Publications
  • Academic Record
  • Honors & Awards
  • Contact
  1. Stumpp, M.*; Hu, M.Y.*; Casties, I.; Saborowski, R.; Bleich, M.; Melzner, F.; Dupont, S. (2013) Ocean acidification impairs digestion in sea urchin larvae. Nature Climate Change DOI 10.1038/nclimate2028 * authors contributed equally to this work (Impact Factor: 14.472)
  2. Hu, M.Y.; Lee, J.-R.; Lin, L.-Y.; Shih, T.-H.; Stumpp, M.; Lee, M.-F.; Hwang, P.-P.; Tseng Y.-C. (2013): Development in a naturally acidified environment: Na+/H+-exchanger 3-based proton secretion leads to CO2 tolerance in cephalopod embryos. Frontiers in Zoology DOI DOI:10.1186/1742-9994-10-51. (Impact Factor: 4.46)
  3. Tseng, Y.-C.*; Hu, M.Y.*; Stumpp, M.; Lin, L.-Y.; Melzner, F.; Hwang, P.-P. (2013): CO2-driven seawater acidification differentially affects development and molecular plasticity along life history of fish (Oryzias latipes). Comparative Biochemistry and Physiology Part A (in press), * authors contributed equally to this work (Impact Factor 2.167)
  4. Stumpp, M.*; Hu, M.Y.*; Melzner, F.; Dorey, N.; Himmerkus, N.; Gutowska, M.A.; Holtmann, W.C.; Dupont, S.; Thorndyke, M.C.; Bleich, M. (2012): Acidified seawater impacts sea urchin larval pH regulatory systems relevant for calcification. Proceedings of the National Academy of Sciences of the U.S.A. 109: 18192-18197, *authors contributed equally to this work (Impact Factor: 9.737)
  5. Strobel A., Hu M. Y. Gutowska A.M., Lieb B., Lucassen M., Melzner F., Pörtner H.O., Mark F.C., (2012) Influence of temperature, hypercapnia and development on the relative expression of different haemocyanin isoforms in the common cuttlefish Sepia officinalis. Journal of Experimental Zoology Part A, 317(8):511-23 (impact factor: 1.64)
  6. Hu M.Y., Saborowski R., Hagen W., Jeng M.-S., (2012) Metabolic energy demand and food utilization of the hydrothermal vent crab Xenograpsus testudinatus (Decapoda, Brachyura). Aquatic Biology, 15:11-25 (impact factor: 1.47)
  7. Stumpp, M.; Trübenbach, K.; Brennecke, D.; Hu, M.Y.; Melzner, F. (2012) Resource allocation and extracellular acid-base status in the sea urchin Strongylocentrotus droebachiensis in response to CO2 induced seawater acidification. Aquatic Toxicology. doi: 10.1016/j.aquatox.2011.12.020 (impact factor: 3.12)
  8. Hu M.Y., Tseng Y.-C., Lin L.-Y., Chen P.-Y.; Charmantier-Daures M., Hwang P. P., Melzner F. (2011) New insights into cephalopod ion regulation: a role of epidermal ionocytes in acid-base regulation during embryogenesis. American Journal of Physiology Regulatory and Integrative Physiology 301: 1700-1709 (impact factor: 3.34)
  9. Hu, M.Y.; Tseng, Y.-C.; Stumpp, M.; Gutowska, M.; Kiko, R.; Lucassen, M.; Melzner, F. (2011) Elevated seawater pCO2 differentially affects branchial acid-base transporters over the course of development in the cephalopod Sepia officinalis. American Journal of Physiology Regulatory and Integrative Physiology 300 (5) R1100-R1114 (Impact Factor: 3.284)
  10. Hu M.Y., Charmantier-Daures M., Charmantier G., Lucassen M., Sucre E., Melzner F., (2010) Localization of ion regulatory epithelia in embryos and hatchlings of two cephalopods. Cell and Tissue Research 339:571-583 (impact factor: 3.10)
  11. Hu M.Y., Yan H.-Y., Chung W.-S., Shiao J.-C., Hwang P.-P., (2009) Acoustically evoked potentials in cephalopods inferred using the auditory brainstem response (ABR) approach. Comparative Biochemistry and Physiology-A 153:278-83 Evaluated by Faculty of 1000 Biology (impact factor: 2.23)
  12. Melzner F., Gutowska M.A., Hu M.Y, Stumpp M., (2009) Acid base regulatory capacity and associated proton extrusion mechanisms in marine invertebrates: An overview. Comparative Biochemistry and Physiology A. 153(2) (conference paper).
  13. Hu M.Y. (2011) Mechanistic studies on the physiology of CO2 tolerance in cephalopods. Dissertation, University Kiel
  14. Hu M.Y. (2008) On the feeding physiology of the hydrothermal vent crab Xenograpsus testudinatus (Decapoda, Brachyura). Diplomthesis, University Bremen


  • Dr. rer. nat. (equivalent to Ph.D.). Animal Physiology, Christian-Albrechts-University Kiel, Germany. (2011)
  • Dipl. Biol. (equivalent to MSc.). Biology (Major: Marine Biology, minors: Zoology, Biochemistry) University of Bremen, Germany. (2008)


  • 2013/02-today : Post-Doc, Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan
  • 2011/10-2012/09 : Post-Doc, Department of Biological and Environmental Sciences, Sven Loven Centre for Marine Research, Kristineberg, Sweden
  • 2011/03-2011/08 : Scientist at the Physiological Institute, Medical Faculty, Christian-Albrechts-University Kiel, Germany
  • 2008/03-2011/02 : Scientist (PhD student) within the DFG Excellence Cluster “Future Ocean”, research group A1 ‘Ocean acidification’, Helmholtz Centre for Ocean Research Kiel (GEOMAR), Germany

 Honors & Awards

  • 2011 : Alexander von Humbold awardee (1-2 year post doc)
  • 2009 : Project Based Personally Exchange Program (PPP) (22,000 Euro)
  • 2008/05 : Annette-Barthelt Prize for marine research
  • 2006/06 : NSC TTT Academic conference award (life science; second place)
  • 2006 : TTT-Program funded by the National Science council (NSC) (1600 Euro)
  • 2006 : Travel grant by the German Academic exchange service (DAAD) (600 Euro)