Manuel Morales

Manuel Francisco Morales (July 23, 1919 – November 12, 2009) was a Honduran-born American biophysicist who did pivotal research on the molecular basis of muscle contraction.

See also: Manuel Morales (basketball)
Manuel Francisco Morales
Born(1919-07-23)July 23, 1919
San Pedro, Sula, Honduras
DiedNovember 12, 2009(2009-11-12) (aged 90)
NationalityHonduran
CitizenshipUSA
Alma materUC Berkeley A.B., Harvard University Ph.D
Known forenergetics of ATP hydrolysis, myosin structure by FRET
AwardsNational Academy of Sciences, Order of the Rising Sun
Scientific career
FieldsBiophysics, Cell biology
InstitutionsUniversity of Chicago, Naval Medical Research Institute, Dartmouth Medical School, UCSF, University of the Pacific

Scientific career

In the 1950s at the Naval Medical Research Institute, Morales and Terrell Hill showed that the high energy of the terminal phosphate bond in ATP was due to electrostatic repulsion between the three phosphate groups,[1][2] and he and Richard Podolsky measured the heat of hydrolysis for ATP cleavage, the fundamental energy currency of biological metabolism.[1][3]

Awards and service

Morales was elected a member of the US National Academy of Sciences and awarded the Order of the Rising Sun (Japan). He served as President of the Biophysical Society for 1968–69,[4] and was the founding editor of the Annual Review of Biophysics.[1]

Key publications
  • Hill TL, Morales MF. (1951) On "High Energy Phosphate Bonds" of Biochemical Interest. Journal of the American Chemical Society 73: 1656–1660 (doi:10.1021/ja01148a072)
  • Podolsky RJ, Morales MF. (1956) The Enthalpy Change of Adenosine Triphosphate Hydrolysis Journal of Biological Chemistry 218: 945–959 (pdf)
  • Mendelson RA, Morales MF, Botts J. (1973) Segmental flexibility of the S-1 moiety of myosin. Biochemistry 12: 2250–2255 (doi:10.1021/bi00736a011)
  • Morales MF, Botts J. (1979) On the molecular basis for chemomechanical energy transduction in muscle. Proceedings of the National Academy of Sciences USA 76: 3857–3859
  • Botts J, Takashi R, Torgerson P, Hozumi T, Muhlrad A, D Mornet D, Morales MF. (1984) On the mechanism of energy transduction in myosin subfragment 1. Proceedings of the National Academy of Sciences USA 81: 2060–2064
  • Botts J, Thomason JF, Morales MF. (1989) On the origin and transmission of force in actomyosin subfragment 1. Proceedings of the National Academy of Sciences USA 86: 2204–2208
  • Onishi H, Mochizuki N, Morales MF. (2004) On the Myosin Catalysis of ATP Hydrolysis. Biochemistry 43: 3757–3763 (doi:10.1021/bi040002m)

References
  1. Biophysical Society: Newsletter: Obituary: Manuel Francisco Morales (accessed 11 February 2013)
  2. Hill TL, Morales MF. (1951) On "High Energy Phosphate Bonds" of Biochemical Interest. J Am Chem Soc 73: 1656–1660 (doi:10.1021/ja01148a072)
  3. Podolsky RJ, Morales MF. (1956) The Enthalpy Change of Adenosine Triphosphate Hydrolysis J Biol Chem 218: 945–959 (pdf)
  4. "List of past presidents, Biophysical Society".
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