Researcher profile · Semantic Scholar

W. Callen

h-index: 9
Works: 18
Citations: 721

Most-cited papers

Unusual Microbial Xylanases from Insect Guts
Yali Brennan, W. Callen, L. Christoffersen, P. Dupree +14 more
2004Applied and Environmental Microbiology188 citations Open access
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A Novel, High Performance Enzyme for Starch Liquefaction
T. Richardson, Xu-Qiu Tan, G. Frey, W. Callen +6 more
2002Journal of Biological Chemistry167 citations Open access
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An Endoglucanase, EglA, from the Hyperthermophilic ArchaeonPyrococcus furiosus Hydrolyzes β-1,4 Bonds in Mixed-Linkage (1→3),(1→4)-β-d-Glucans and Cellulose
M. Bauer, L. Driskill, W. Callen, M. A. Snead +2 more
1999118 citations Open access
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Galactomannanases Man2 and Man5 from Thermotoga species: growth physiology on galactomannans, gene sequence analysis, and biochemical properties of recombinant enzymes.
K. N. Parker, S. Chhabra, David E. Lam, W. Callen +5 more
2001Biotechnology and Bioengineering63 citations
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An endoglucanase, EglA, from the hyperthermophilic archaeon Pyrococcus furiosus hydrolyzes beta-1,4 bonds in mixed-linkage (1-->3),(1-->4)-beta-D-glucans and cellulose.
M. Bauer, L. Driskill, W. Callen, M. A. Snead +2 more
1999Journal of Bacteriology57 citations
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A novel, high performance enzyme for starch liquefaction. Discovery and optimization of a low pH, thermostable alpha-amylase.
T. Richardson, Xu-Qiu Tan, G. Frey, W. Callen +6 more
2002Journal of Biological Chemistry44 citations
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A Novel, High Performance Enzyme for Starch Liquefaction DISCOVERY AND OPTIMIZATION OF A LOW pH, THERMOSTABLE -AMYLASE*
T. Richardson, Xu-Qiu Tan, G. Frey, W. Callen +6 more
200235 citations
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αa-D-Galactosidases from Thermotoga species
E. Miller, K. N. Parker, W. Liebl, D. Lam +5 more
200121 citations
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β-Endoglucanase from Pyrococcus furiosus
S. G. Cady, M. Bauer, W. Callen, M. A. Snead +3 more
200112 citations
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β-Mannanases from Thermotoga species
S. Chhabra, K. N. Parker, D. Lam, W. Callen +4 more
20019 citations
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Beta-Endoglucanase from Pyrococcus furiosus.
S. G. Cady, M. Bauer, W. Callen, M. A. Snead +3 more
2001Methods in Enzymology5 citations
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Beta-mannanases from Thermotoga species.
S. Chhabra, K. N. Parker, D. Lam, W. Callen +4 more
2001Methods in Enzymology2 citations
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Alpha-D-galactosidases from Thermotoga species.
E. Miller, Kimberley, N. Parker, W. Liebl +6 more
2001Methods in Enzymology1 citations
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ENZYME HAVING α AMYLASE ACTIVITY AND METHOD OF USE THEREOF
W. Callen, G. Frey, K. Gray, J. Kerovuo +12 more
20110 citations
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Xylanases, nucleic acids encoding the same, and methods of making and using these
S. Healey, Di Wu, D. Blum, A. Esteghlalian +3 more
20030 citations
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Xylanases, nucleic acids that encode them and methods to make and purify them
B. Steer, W. Callen, S. Healey, G. Hazlewood +3 more
20030 citations
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Enzymes with alpha-amylase activity as well as methods of use thereof
W. Callen, T. Richardson, G. Frey, Carl W. Miller +3 more
20020 citations
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Enzymes with alpha-amylase activity and methods of use thereof
W. Callen, T. Richardson, G. Frey, J. Short +4 more
20020 citations
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×7

G. Frey×6

M. Bauer×4

S. Healey×3