Roger Knowles
#139,223
Most Influential Person Now
Roger Knowles's AcademicInfluence.com Rankings
Roger Knowlesbiology Degrees
Biology
#9763
World Rank
#13008
Historical Rank
Physiology
#295
World Rank
#503
Historical Rank
Biochemistry
#1503
World Rank
#1632
Historical Rank
Download Badge
Biology
Roger Knowles's Degrees
- PhD Biochemistry University of California, Berkeley
- Masters Physiology Stanford University
- Bachelors Biology University of California, Berkeley
Similar Degrees You Can Earn
Why Is Roger Knowles Influential?
(Suggest an Edit or Addition)Roger Knowles's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Physiology, biochemistry, and specific inhibitors of CH4, NH4+, and CO oxidation by methanotrophs and nitrifiers (1989) (900)
- Denitrification (1982) (816)
- Acetylene inhibition of nitrous oxide reduction by denitrifying bacteria. (1976) (706)
- Methane production and consumption in temperate and subarctic peat soils: Response to temperature and pH (1993) (669)
- Acetylene inhibition of nitrous oxide reduction and measurement of denitrification and nitrogen fixation in soil (1977) (529)
- THE INFLUENCE OF WATER TABLE LEVELS ON METHANE AND CARBON DIOXIDE EMISSIONS FROM PEATLAND SOILS (1989) (483)
- Nitrogen isotope techniques. (1993) (296)
- Methane emissions from fen, bog and swamp peatlands in Quebec (1990) (243)
- Kinetics of inhibition of methane oxidation by nitrate, nitrite, and ammonium in a humisol (1995) (234)
- Spatial and temporal variations of methane flux from subarctic/northern boreal fens (1990) (229)
- Growth of methanotrophs in methane and oxygen counter gradients (1995) (209)
- Nitrogen fixation in the rhizosphere of marine angiosperms (1972) (195)
- Production of nitrous oxide by Nitrosomonas europaea: effects of acetylene, pH, and oxygen (1984) (182)
- High-Affinity Methane Oxidation by a Soil Enrichment Culture Containing a Type II Methanotroph (1999) (180)
- Effect of acetylene on autotrophic and heterotrophic nitrification (1982) (163)
- Methods for quantification of nitrogen fixation associated with gramineae (1987) (157)
- Effect of oxygen and nitrate on nitrogen fixation and denitrification by Azospirillum brasilense grown in continuous culture. (1978) (155)
- Acetylene Inhibition Technique: Development, Advantages, and Potential Problems (1990) (140)
- Effect of nitrogen fertilizers and moisture content on CH4 and N2O fluxes in a humisol: Measurements in the field and intact soil cores (1995) (120)
- Measurement of Denitrification in Two Freshwater Sediments by an In Situ Acetylene Inhibition Method (1979) (108)
- Inhibition of Chemoautotrophic Nitrification by Sodium Chlorate and Sodium Chlorite: a Reexamination (1983) (107)
- Effect of Selected Monoterpenes on Methane Oxidation, Denitrification, and Aerobic Metabolism by Bacteria in Pure Culture (1998) (92)
- Ultrastructure, composition, and biogenesis of the encapsulation material surrounding the endophyte in Alnus crispa var. mollis root nodules (1975) (91)
- Effects of sulfide and acetylene on nitrous oxide reduction by soil and by Pseudomonas aeruginosa. (1979) (86)
- METHANE AND CARBON DIOXIDE EVOLUTION FROM SUBARCTIC FENS (1987) (85)
- Atmospheric Methane Consumption by Forest Soils and Extracted Bacteria at Different pH Values (1998) (85)
- Denitrification associated with Groups I and II methanotrophs in a gradient enrichment system (1995) (84)
- Denitrifiers associated with methanotrophs and their potential impact on the nitrogen cycle (2005) (80)
- The effect of organic amendment, water content, and oxygen on the incorporation of 15N2 by some agricultural and forest soils. (1969) (70)
- Nitrous oxide concentrations in lakes: Variations with depth and time1 (1981) (68)
- Denitrification, Acetylene Reduction, and Methane Metabolism in Lake Sediment Exposed to Acetylene (1979) (67)
- Inhibition of Methane Consumption in Forest Soils by Monoterpenes (1998) (66)
- Acetylene as an Inhibitor of Methanogenic Bacteria (1982) (64)
- Roles of moss species and habitat in methane consumption potential in a northern peatland (2004) (64)
- N2-fixing pseudomonads and related soil bacteria (1994) (62)
- Chloramphenicol Inhibition of Denitrifying Enzyme Activity in Two Agricultural Soils (1999) (60)
- Methane: Processes of Production and Consumption (1993) (60)
- Effects of Methane Metabolism on Nitrification and Nitrous Oxide Production in Polluted Freshwater Sediment (1994) (57)
- Effect of Selected Monoterpenes on Methane Oxidation, Denitrification, and Aerobic Metabolism by Bacteria in Pure Culture (1998) (55)
- Methane Metabolism in a Temperate Swamp (1994) (54)
- Nitrogen fixation in natural plant communities and soils. (1980) (54)
- Inhibition of methane consumption in forest soils and pure cultures of methanotrophs by aqueous forest soil extracts (1997) (50)
- Effect of ammonium-, nitrite- and nitrate nitrogen on anaerobic nitrogenase activity in soil (1974) (48)
- Inhibition of growth of Clostridium pasteurianum by acetylene: implication for nitrogen fixation assay. (1971) (47)
- Hydrogen metabolism of Azospirillum brasilense in nitrogen-free medium. (1980) (41)
- Ureolysis, Immobilization, and Nitrification in Black Spruce (Picea mariana Mill.) Humus1, 2 (1966) (40)
- Ultrastructure of the Alnus crispa var. mollis Fern. root nodule endophyte. (1975) (40)
- NON-SYMBIOTIC NITROGEN FIXATION IN SOME QUEBEC SOILS (1965) (39)
- Production and Consumption of Nitric Oxide by Three Methanotrophic Bacteria (2000) (39)
- Methane-dependent nitrate production by a microbial consortium enriched from a cultivated humisol (1989) (38)
- Efficiency of acetylene reduction (nitrogen fixation) in soil: Effect of type and concentration of available carbohydrate (1973) (37)
- The Ureolytic Microflora in a Black Spruce (Picea mariana Mill.) Humus1 (1967) (37)
- Nitrogen transformations in a scottish peat soil under laboratory conditions (1988) (36)
- Methane production and consumption in a cultivated humisol (1987) (36)
- Effect of some culture conditions on the production of indole-3-acetic acid and a gibberellin-like substance by Azotobacter vinelandii. (1970) (36)
- Acetylene reduction (nitrogen fixation) by pulp and paper mill effluents and by Klebsiella isolated from effluents and environmental situations. (1974) (35)
- The response of methane consumption by pure cultures of methanotrophic bacteria to oxygen (1997) (35)
- Nitrification: A Significant Cause of Oxygen Depletion Under Winter Ice (1987) (34)
- Hypolimnetic O2 Consumption, Denitrification, and Methanogenesis in a Thermally Stratified Lake (1991) (33)
- Some properties of methane oxidation in a thermally stratified lake (1997) (33)
- Acetylene-Ethylene Assay Studies on Excised Root Nodules of Myrica asplenifolia L.1 (1973) (31)
- Nitrogen fixation in arctic marine sediments: Effect of oil and hydrocarbon fractions (1977) (30)
- Effects of oxygen, mannitol and ammonium concentrations on nitrogenase [C2H2] activity in a marine skeletal carbonate sand (1975) (30)
- Hydrogenase activity in Azospirillum brasilense is inhibited by nitrite, nitric oxide, carbon monoxide, and acetylene (1984) (29)
- Nitrapyrin inhibits the obligate methylotrophs Methylosinus trichosporium and Methylococcus capsulatus (1982) (29)
- Nitrous oxide reductase of Flexibacter canadensis: a unique membrane-bound enzyme (1992) (29)
- Nitrogen Fixation by Pseudomonas saccharophila Doudoroff ATCC 15946 (1986) (28)
- Active methanotrophs suppress nitrification in a humisol (1987) (28)
- Organic matter, heterotrophic activity, and NO· consumption in soils (1998) (26)
- Biological oxidation of nitric oxide in a humisol (1997) (26)
- Nitrogen Transformations in Lake Ontario (1987) (25)
- Kinetics of nitrogen fixation in a glucose-amended, anaerobically incubated soil (1973) (25)
- Superoxide dismutase, catalase, and peroxidase in ammonium-grown and nitrogen-fixing Azospirillum brasilense (1984) (25)
- Nitrogen monoxide production and consumption in an organic soil (1999) (24)
- Isolation, characterization, and nitrification potential of a methylotroph and two heterotrophic bacteria from a consortium showing methane-dependent nitrification (1989) (24)
- Denitrifying bacteria in some shallow-water marine sediments: enumeration and gas production. (1974) (24)
- Effect of hydrogen and oxygen on uptake-hydrogenase activity in nitrogen-fixing and ammonium-grown Azospirillum brasilense (1983) (23)
- Mineralization and Immobilization of Nitrogen in Bacterial Cells and in Certain Soil Organic Fractions 1 (1966) (23)
- Production of NO and N2O in the presence and absence of C2H2 by soil slurries and batch cultures of denitrifying bacteria (2003) (23)
- Effects of Nitrapyrin [2-Chloro-6-(Trichloromethyl) Pyridine] on the Obligate Methanotroph Methylosinus trichosporium OB3b (1984) (23)
- Effect of Chloramphenicol on Denitrification in Flexibacter canadensis and "Pseudomonas denitrificans" (1995) (23)
- Quantifying functional gene populations: comparing gene abundance and corresponding enzymatic activity using denitrification and nitrogen fixation in pulp and paper mill effluent treatment systems. (2001) (21)
- DENITRIFICATION, NITROGEN FIXATION AND NITRIFICATION IN CONTINUOUS FLOW LABORATORY SOIL COLUMNS (1980) (21)
- O2 regulation of denitrification in Flexibacter canadensis (1994) (21)
- Second International Symposium on Nitrogen Fixation with Nonlegumes 5–10 September 1982 (1983) (20)
- Reduction of nitrous oxide by a soil Cytophaga in the presence of acetylene and sulfide (1984) (20)
- Effect of picolinic acid (2-pyridine carboxylic acid) on the oxidation of methane and ammonia in soil and in liquid culture (1990) (19)
- FACTORS AFFECTING UREASE ACTIVITY IN A BLACK SPRUCE HUMUS STERILIZED BY GAMMA RADIATION (1968) (19)
- Uptake hydrogenase activity in denitrifying Azospirillum brasilense grown anaerobically with nitrous oxide or nitrate (1984) (19)
- Demonstration of the isolation of non-infective Alnus crispa var. mollis Fern, nodule endophyte by morphological immunolabelling and whole cell composition studies. (1975) (18)
- Denitrification: microbiology and ecology. (1996) (18)
- Denitrification by Cytophaga johnsonae strains and by a gliding bacterium able to reduce nitrous oxide in the presence of acetylene and sulfide (1986) (17)
- Trace amounts of O2 affect NO and N2O production during denitrifying enzyme activity (DEA) assays. (2004) (17)
- Effect of tungsten on nitrate and nitrite reductases in Azospirillum brasilense Sp7 (1991) (17)
- Effects of Nitrapyrin [2-Chloro-6-(Trichloromethyl) Pyridine] on the Obligate Methanotroph Methylosinus trichosporium OB3b (1985) (16)
- Metabolism of acetylene and acetaldehyde by Rhodococcus rhodochrous. (1988) (16)
- Effect of Sulfide on Nitrogen Fixation in a Stream Sediment-Water System (1982) (16)
- Denitrification and methane production in sediment of Hamilton Harbour (Canada) (2004) (15)
- Effect of ionophores on denitrification in Flexibacter canadensis (1995) (14)
- Inhibition of Nitrifiers and Methanotrophs from an Agricultural Humisol by Allylsulfide and Its Implications for Environmental Studies (1999) (14)
- Localization of methane consumption and nitrification activities in some boreal forest soils and the stability of methane consumption on storage and disturbance (1997) (14)
- Free-Living Bacteria (1978) (13)
- Enumeration of Free-Living Aerobic N2-Fixing H2-Oxidizing Bacteria by Using a Heterotrophic Semisolid Medium and Most-Probable-Number Technique (1988) (13)
- Absence of “void area” in freeze-etched vesicles of the Alnus crispa var. mollis Fern. root nodule endophyte (1976) (13)
- Survival and mineralization and immobilization of 15N-labelled Serratia cells in a boreal forest raw humus. (1969) (13)
- Physiology, Biochemistry, andSpecific Inhibitors ofCH4,NH4+, andCO Oxidation byMethanotrophs andNitrifiers (1989) (13)
- The fungal flora of a Boreal forest raw humus. (1965) (13)
- Oxygen inhibition of acetylene reduction (nitrogen fixation) in soil: Effect of glucose and oxygen concentrations (1973) (12)
- Production and consumption of nitric oxide by denitrifying Flexibacter canadensis (1995) (12)
- Effect of oxygen partial pressure on nitrogen fixation and acetylene reduction in a sandy loam soil amended with glucose (1971) (12)
- Cytochrome content in Azospirillum brasilense Sp 7 grown under aerobic and denitrifying conditions (1987) (12)
- Inhibition of nitrous oxide reduction by a component of Hamilton Harbour sediment (1995) (12)
- THE OCCURRENCE OF LAMPROPEDIA IN THE INTESTINES OF SOME REPTILES AND NEMATODES. (1964) (12)
- Identification of a denitrifying gliding bacterium, isolated from soil and able to reduce nitrous oxide in the presence of sulfide and acetylene, as Flexibacter canadensis. (1990) (11)
- Influence of pH on production and consumption of NO by slurries of an agricultural soil under denitrifying conditions (2001) (11)
- Cellular regulation of nitrate uptake in denitrifying Flexibacter canadensis. (1994) (11)
- Oxygen tolerance of uptake hydrogenase in Azospirillum spp. (1986) (10)
- Denitrifïcation in Flexibacter canadensis (1990) (9)
- UREASE ACTIVITY IN A BLACK SPRUCE HUMUS STERILIZED BY GAMMA RADIATION. (1968) (8)
- An ecological and microbiological study of urea fertilization and thinning in a black spruce stand. (1970) (7)
- Persistence and toxicity of alkyllead salts to anaerobic nitrogen transformations in soil (1990) (7)
- Enumeration of Flexibacter canadensis in environmental samples by using a bacteriophage isolated from soil (1991) (6)
- Beneficial Effects of Nickel on Pseudomonas saccharophila under Nitrogen-Limited Chemolithotrophic Conditions (1989) (6)
- The Significance of Nonsymbiotic Nitrogen Fixation 1 (1965) (5)
- Acetylene-reduction assay at ambient P02 of field and forest soils: laboratory and field core studies (1975) (5)
- Free-living Dinitrogen-fixing Bacteria (2015) (5)
- Toxicity of Alkyllead Salts to Anaerobic Nitrogen Transformations in Sediment (1988) (5)
- H2 supports nitrogenase activity in carbon-starved Azospirillum lipoferum and A. amazonense (1988) (5)
- Sulfide alleviation of acetylene inhibition of nitrous oxide reduction by Flexibacter Canadensis (1992) (4)
- Effect of Hydrogen, Sucrose and Oxygen on Uptake Hydrogenase in Nitrogen-fixing and Ammonium-grown Pseudomonas saccharophila ATCC 15946 (1988) (4)
- Denitrification, denitrifying bacteria, and iron reduction in a soil supplemented with sulfide and acetylene (1986) (3)
- Intracellular Location and O2 Sensitivity of Uptake Hydrogenase in Azospirillum spp (1989) (3)
- Molybdenum incorporation in denitrifying Azospirillum brasilense Sp7 (1992) (3)
- Contribution of bacterial cell nitrogen to soil humic fractions (1981) (2)
- Factors in Forest-Tree Litter Extracts affecting the Growth of Soil Micro-Organisms (1959) (2)
- pH dependence of uptake hydrogenases in Azospirillum brasilense and A. amazonense (1989) (1)
- STERILIZATION BY GAMMA RADIATION OF A HUMUS IN THE BLACK SPRUCE (PICEA MARIANA). (1967) (1)
- Erratum: Some properties of methane oxidation in a thermally stratified lake (1997) (1)
- Factors affecting the localization of transformations of nitrogen and methane in soils (1999) (1)
- Urea metabolism in a black spruce humus. (1965) (1)
- Acetylene Reduction (Nitrogen Fixation) by Pulp and Paper Mill Effluents and by Klebsiella Isolated from Effluents and Environmental Situations (1974) (0)
- Erratum (2021) (0)
- ThepH-Dependence ofPepsin-Catalysed Reactions (1969) (0)
- Measurement ofDenitrification inTwoFreshwater Sediments byan InSituAcetylene Inhibition Method (1979) (0)
- Direct evidence for 1-electron reduction of molecular oxygen by an enzyme system. (1968) (0)
- TheInteraction ofthePhosphonate Analogue of3-Phospho-D-glycerate withPhosphoglycerate Kinase (1974) (0)
- Enumeration ofFlexibacter canadensis inEnvironmental Samples byUsing a Bacteriophage Isolated fromSoil (1991) (0)
- Beneficial Effects ofNickel on Pseudomonas saccharophila under Nitrogen-Limited Chemolithotrophic (1989) (0)
- TheRate-Determining StepinPepsin-Catalysed Reactions, andEvidence against anAcyl-Enzyme Intermediate (1969) (0)
This paper list is powered by the following services:
What Schools Are Affiliated With Roger Knowles?
Roger Knowles is affiliated with the following schools:
