David B Hicks, PhD
- ASSOCIATE PROFESSOR | Pharmacology and Systems Therapeutics
Preiss L, Langer JD, Hicks DB, Liu J, Yildiz O, Krulwich TA, Meier T. The c-ring ion binding site of the ATP synthase from Bacillus pseudofirmus OF4 is adapted to alkaliphilic lifestyle. Molecular microbiology 2014 Jun; 92(5).
Preiss L, Klyszejko AL, Hicks DB, Liu J, Fackelmayer OJ, Yildiz Ö, Krulwich TA, Meier T. The c-ring stoichiometry of ATP synthase is adapted to cell physiological requirements of alkaliphilic Bacillus pseudofirmus OF4. Proceedings of the National Academy of Sciences of the United States of America 2013 May; 110(19).
Liu J, Hicks DB, Krulwich TA. Roles of AtpI and two YidC-type proteins from alkaliphilic Bacillus pseudofirmus OF4 in ATP synthase assembly and nonfermentative growth. Journal of bacteriology 2013 Jan; 195(2).
Janto B, Ahmed A, Ito M, Liu J, Hicks DB, Pagni S, Fackelmayer OJ, Smith TA, Earl J, Elbourne LD, Hassan K, Paulsen IT, Kolstø AB, Tourasse NJ, Ehrlich GD, Boissy R, Ivey DM, Li G, Xue Y, Ma Y, Hu FZ, Krulwich TA. Genome of alkaliphilic Bacillus pseudofirmus OF4 reveals adaptations that support the ability to grow in an external pH range from 7.5 to 11.4. Environmental microbiology 2011 Dec; 13(12).
Liu J, Fackelmayer OJ, Hicks DB, Preiss L, Meier T, Sobie EA, Krulwich TA. Mutations in a helix-1 motif of the ATP synthase c-subunit of Bacillus pseudofirmus OF4 cause functional deficits and changes in the c-ring stability and mobility on sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Biochemistry 2011 Jun; 50(24).
Preiss L, Yildiz O, Hicks DB, Krulwich TA, Meier T. A new type of proton coordination in an F(1)F(o)-ATP synthase rotor ring. PLoS biology 2010; 8(8).
Fujisawa M, Fackelmayer OJ, Liu J, Krulwich TA, Hicks DB. The ATP synthase a-subunit of extreme alkaliphiles is a distinct variant: mutations in the critical alkaliphile-specific residue Lys-180 and other residues that support alkaliphile oxidative phosphorylation. The Journal of biological chemistry 2010 Oct; 285(42).
Liu J, Fujisawa M, Hicks DB, Krulwich TA. Characterization of the Functionally Critical AXAXAXA and PXXEXXP Motifs of the ATP Synthase c-Subunit from an Alkaliphilic Bacillus. J Biol Chem 2009 Mar; 284(13): 8714-8725.
Liu J, Krulwich TA, Hicks DB. Purification of two putative type II NADH dehydrogenases with different substrate specificities from alkaliphilic Bacillus pseudofirmus OF4. Biochim Biophys Acta 2008 May; 1777(5): 453-461.
Swartz TH, Ito M, Ohira T, Natsui S, Hicks DB, Krulwich TA. Catalytic properties of Staphylococcus aureus and Bacillus members of the secondary cation/proton antiporter-3 (Mrp) family are revealed by an optimized assay in an Escherichia coli host. J Bacteriol. 2007 Apr; 189(8): 3081-3090.
Liu X, Gong X, Hicks DB, Krulwich TA, Yu L, Yu CA. Interaction between cytochrome caa3 and F1F0-ATP synthase of alkaliphilic Bacillus pseudofirmus OF4 is demonstrated by saturation transfer electron paramagnetic resonance and differential scanning calorimetry assays. Biochemistry 2007 Jan; 46(1): 306-313.
Liu J, Xue Y, Wang Q, Wei Y, Swartz TH, Hicks DB, Ito M, Ma Y, Krulwich TA. The activity profile of the NhaD-type Na+(Li+)/H+ antiporter from the soda Lake Haloalkaliphile Alkalimonas amylolytica is adaptive for the extreme environment. J Bacteriol 2005 Nov; 187(22): 7589-7595.
Swartz TH, Ito M, Hicks DB, Nuqui M, Guffanti AA, Krulwich TA. The Mrp Na+/H+ antiporter increases the activity of the malate:quinone oxidoreductase of an Escherichia coli respiratory mutant. J Bacteriol 2005 Jan; 187(1): 388-91.
Liu J, Xue Y, Wang Q, Wei Y, Swartz TH, Hicks DB, Ito M, Ma Y, Krulwich TA. The activity profile of the NhaD-type Na+(Li+)/H+ antiporter from the soda Lake Haloalkaliphile Alkalimonas amylolytica is adaptive for the extreme environment. J Bacteriol 2005 Nov; 187(22): 7589-95.
Wang Z, Hicks DB, Guffanti AA, Baldwin K, Krulwich TA. Replacement of amino acid sequence features of a- and c-subunits of ATP synthases of Alkaliphilic Bacillus with the Bacillus consensus sequence results in defective oxidative phosphorylation and non-fermentative growth at pH 10.5. J Biol Chem 2004 Jun 18; 279(25): 26546-54.