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List of works by Ralf Conrad

A soil actinobacterium scavenges atmospheric H2 using two membrane-associated, oxygen-dependent [NiFe] hydrogenases

scientific article

Abundance and activity of uncultured methanotrophic bacteria involved in the consumption of atmospheric methane in two forest soils.

scientific article published in August 2005

Acetate turnover and methanogenic pathways in Amazonian lake sediments

scientific article published in 2020

Acetoclastic and hydrogenotrophic methane production and methanogenic populations in an acidic West-Siberian peat bog.

scientific article published in November 2004

Activation of methanogenesis in arid biological soil crusts despite the presence of oxygen

scientific article

Active and total prokaryotic communities in dryland soils.

scientific article

Active autotrophic ammonia-oxidizing bacteria in biofilm enrichments from simulated creek ecosystems at two ammonium concentrations respond to temperature manipulation

scientific article published on 2 September 2011

Activity and community structure of methane-oxidising bacteria in a wet meadow soil

scientific article published on 01 September 2002

Activity and composition of methanotrophic bacterial communities in planted rice soil studied by flux measurements, analyses of pmoA gene and stable isotope probing of phospholipid fatty acids.

scientific article published on 19 December 2007

Activity, structure and dynamics of the methanogenic archaeal community in a flooded Italian rice field

scientific article published on February 2005

Alexithymia in male infertility

scientific article published in March 2001

Ammonia oxidation coupled to CO2 fixation by archaea and bacteria in an agricultural soil

scientific article

Ammonia oxidation-dependent growth of group I.1b Thaumarchaeota in acidic red soil microcosms

scientific article

Ammonia oxidizers are pioneer microorganisms in the colonization of new acidic volcanic soils from South of Chile

scientific article published on 21 October 2013

An alternative pathway for the degradation of endogenous fructose during the catabolism of sucrose in Rhodopseudomonas capsulata

scientific article published on 01 April 1978

Anaerobic conversion of carbon dioxide to methane, acetate and propionate on washed rice roots

scientific article published on 01 October 1999

Applying stable isotope probing of phospholipid fatty acids and rRNA in a Chinese rice field to study activity and composition of the methanotrophic bacterial communities in situ.

scientific article

Archaeal community structures in rice soils from different geographical regions before and after initiation of methane production

scientific article published in 2001

Assimilation of acetate by the putative atmospheric methane oxidizers belonging to the USCα clade

scientific article published on 24 August 2011

Atmospheric hydrogen scavenging: from enzymes to ecosystems

scientific article

Autotrophic Growth of Bacterial and Archaeal Ammonia Oxidizers in Freshwater Sediment Microcosms Incubated at Different Temperatures ⬇️

scientific article published on March 1, 2013

Bacteria rather than Archaea dominate microbial ammonia oxidation in an agricultural soil

scientific article

Bacterial and archaeal communities involved in the in situ degradation of 13C‐labelled straw in the rice rhizosphere ⬇️

scientific article published on June 16, 2011

Bromeliad tanks are unique habitats for microbial communities involved in methane turnover

Carbon Isotope Fractionation of 11 Acetogenic Strains Grown on H 2 and CO 2 ⬇️

scientific article published on December 28, 2012

Carbon isotope fractionation by sulfate-reducing bacteria using different pathways for the oxidation of acetate

scientific article published in November 2008

Carbon isotope fractionation during acetoclastic methanogenesis by Methanosaeta concilii in culture and a lake sediment

scientific article published on August 2006

Change of methane production pathway with sediment depth in a lake on the Tibetan plateau

scientific article published in 2017

Chemolithotrophic acetogenic H2/CO2 utilization in Italian rice field soil

scientific article published on 03 March 2011

Cold-temperate climate: a factor for selection of ammonia oxidizers in upland soil?

scientific article

Colonization of rice roots with methanogenic archaea controls photosynthesis-derived methane emission.

scientific article

Community analysis of methanogenic archaea within a riparian flooding gradient

scientific article published in May 2004

Community structure of Archaea and Bacteria in a profundal lake sediment Lake Kinneret (Israel).

scientific article published on 18 July 2006

Competing formate- and carbon dioxide-utilizing prokaryotes in an anoxic methane-emitting fen soil

scientific article

Competition Between Chemolithotrophic Acetogenesis and Hydrogenotrophic Methanogenesis for Exogenous H2/CO2 in Anaerobically Digested Sludge: Impact of Temperature

scientific article published on 23 October 2019

Conventional methanotrophs are responsible for atmospheric methane oxidation in paddy soils.

scientific article published on June 2016

Correction [to “Oxidation of atmospheric methane in soil: Measurements in the field, in soil, and in soil samples” by Matthias Koschorreck and Ralf Conrad]

Crop rotation of flooded rice with upland maize impacts the resident and active methanogenic microbial community

scientific article published on 3 September 2015

Cross-feeding of methane carbon among bacteria on rice roots revealed by DNA-stable isotope probing

scientific article published on 14 July 2009

DNA-, rRNA- and mRNA-based stable isotope probing of aerobic methanotrophs in lake sediment

article

Detecting active methanogenic populations on rice roots using stable isotope probing

scientific article

Detection of thrombosis in the portal venous system: comparison of contrast-enhanced MR angiography with intraarterial digital subtraction angiography

scientific article published on July 2000

Determination of Resistant Starch Assimilating Bacteria in Fecal Samples of Mice by In vitro RNA-Based Stable Isotope Probing.

scientific article

Different bacterial populations associated with the roots and rhizosphere of rice incorporate plant-derived carbon

scientific article

Different behaviour of methanogenic archaea and Thaumarchaeota in rice field microcosms.

scientific article published on 28 August 2013

Differential effects of nitrogenous fertilizers on methane-consuming microbes in rice field and forest soils

scientific article published in February 2006

Distance-decay and taxa-area relationships for bacteria, archaea and methanogenic archaea in a tropical lake sediment

scientific article

Diversity and ubiquity of thermophilic methanogenic archaea in temperate anoxic soils.

scientific article published in March 2006

Diversity of methanotrophic bacteria in tropical upland soils under different land uses

scientific article published on July 2005

Diversity of the particulate methane monooxygenase gene in methanotrophic samples from different rice field soils in China and the Philippines

scientific article published on 01 August 2002

Diversity, Structure, and Size of N2O-Producing Microbial Communities in Soils—What Matters for Their Functioning?

scientific article published on January 1, 2011

Dry/Wet cycles change the activity and population dynamics of methanotrophs in rice field soil.

scientific article

Drying effects on archaeal community composition and methanogenesis in bromeliad tanks

scientific article

Effect of inhibition of acetoclastic methanogenesis on growth of archaeal populations in an anoxic model environment

scientific article published on January 2006

Effect of long-term free-air CO2 enrichment on the diversity and activity of soil methanogens in a periodically waterlogged grassland

article published in 2012

Effect of nitrogen fertilization on methane oxidation, abundance, community structure, and gene expression of methanotrophs in the rice rhizosphere

scientific article published in July 2010

Effect of soil aggregate size on methanogenesis and archaeal community structure in anoxic rice field soil

scientific article published in June 2000

Effect of soil ammonium concentration on N2O release and on the community structure of ammonia oxidizers and denitrifiers

scientific article published on November 2002

Effect of soil properties and hydrology on Archaeal community composition in three temperate grasslands on peat ⬇️

scientific article published on April 11, 2013

Effect of substrate concentration on carbon isotope fractionation during acetoclastic methanogenesis by Methanosarcina barkeri and M. acetivorans and in rice field soil

scientific article published on 27 February 2009

Effect of temperature change on the composition of the bacterial and archaeal community potentially involved in the turnover of acetate and propionate in methanogenic rice field soil.

scientific article published on 8 April 2010

Effect of temperature on carbon and electron flow and on the archaeal community in methanogenic rice field soil

scientific article

Effect of temperature on composition of the methanotrophic community in rice field and forest soil

scientific article

Effect of temperature on the microbial community responsible for methane production in alkaline NamCo wetland soil

scientific article published in 2019

Effect of temperature stress on structure and function of the methanogenic archaeal community in a rice field soil

scientific article published in March 2002

Effects of O2 and CH4 on presence and activity of the indigenous methanotrophic community in rice field soil

scientific article published in December 2000

Effects of nitrate- and sulfate-amendment on the methanogenic populations in rice root incubations

scientific article published on 01 April 2003

Effects of temperature and fertilizer on activity and community structure of soil ammonia oxidizers

scientific article published in August 2003

Elucidating the microbial resuscitation cascade in biological soil crusts following a simulated rain event.

scientific article

Evaluation of the effects of bioadhesive substances as addition to oral contrast media: an experimental study ⬇️

scientific article published on 01 June 1998

Evidence for anaerobic syntrophic acetate oxidation during methane production in the profundal sediment of subtropical Lake Kinneret (Israel).

scientific article

Extensive processing of sediment pore water dissolved organic matter during anoxic incubation as observed by high-field mass spectrometry (FTICR-MS).

scientific article published on 7 November 2017

Fermentative Spirochaetes mediate necromass recycling in anoxic hydrocarbon-contaminated habitats

scientific article published on 30 May 2018

Fractionation of stable carbon isotopes during acetate consumption by methanogenic and sulfidogenic microbial communities in rice paddy soils and lake sediments

scientific article published in 2021

Functional and structural response of the methanogenic microbial community in rice field soil to temperature change.

scientific article

Functional patterns and temperature response of cellulose-fermenting microbial cultures containing different methanogenic communities

scientific article

Gas metabolism evidence in support of the juxtaposition of hydrogen-producing and methanogenic bacteria in sewage sludge and lake sediments

scientific article published on September 1985

Genome data mining and soil survey for the novel group 5 [NiFe]-hydrogenase to explore the diversity and ecological importance of presumptive high-affinity H(2)-oxidizing bacteria

scientific article

Gypsum amendment to rice paddy soil stimulated bacteria involved in sulfur cycling but largely preserved the phylogenetic composition of the total bacterial community.

scientific article

High Oxygen Concentration Increases the Abundance and Activity of Bacterial Rather than Archaeal Nitrifiers in Rice Field Soil

scientific article published on 9 June 2015

High abundance of Crenarchaeota in a temperate acidic forest soil

scientific article

High-affinity methane oxidation by a soil enrichment culture containing a type II methanotroph.

scientific article

Hydrogenotrophic methanogenesis is the dominant methanogenic pathway in neotropical tank bromeliad wetlands

scientific article

Identification of Syntrophobacteraceae as major acetate-degrading sulfate reducing bacteria in Italian paddy soil.

scientific article

Identification of acetate-assimilating microorganisms under methanogenic conditions in anoxic rice field soil by comparative stable isotope probing of RNA.

scientific article published on 27 October 2006

Identification of acetate-utilizing Bacteria and Archaea in methanogenic profundal sediments of Lake Kinneret (Israel) by stable isotope probing of rRNA.

scientific article published in January 2007

Identification of iron-reducing microorganisms in anoxic rice paddy soil by 13C-acetate probing

scientific article published on 24 September 2009

Identification of rice root associated nitrate, sulfate and ferric iron reducing bacteria during root decomposition

scientific article

Impact of flooding on soil bacterial communities associated with poplar (Populus sp.) trees

scientific article

Impact of plant functional group, plant species, and sampling time on the composition of nirK-type denitrifier communities in soil

scientific article

Impact of short-term storage temperature on determination of microbial community composition and abundance in aerated forest soil and anoxic pond sediment samples

scientific article

In situ measurement of methane fluxes and analysis of transcribed particulate methane monooxygenase in desert soils

scientific article published on 6 July 2009

In situ stable isotope probing of methanogenic archaea in the rice rhizosphere

scientific article published in August 2005

Influence of pH on microbial hydrogen metabolism in diverse sedimentary ecosystems

scientific article

Influence of temperature on the composition and activity of denitrifying soil communities

scientific article published on 08 April 2010

Isolation and characterization of new strains of methanogens from cold terrestrial habitats.

scientific article published in June 2003

Isolation of microorganisms involved in reduction of crystalline iron(III) oxides in natural environments

scientific article published on 5 May 2015

Measurement of monosaccharides and conversion of glucose to acetate in anoxic rice field soil

scientific article

Methane emission from feather moss stands.

scientific article published on 17 May 2017

Methane emissions from tank bromeliads in neotropical forests

Methanocella arvoryzae sp. nov., a hydrogenotrophic methanogen isolated from rice field soil

scientific article

Methanogenic archaea and CO2-dependent methanogenesis on washed rice roots

scientific article published in April 1999

Methanogenic archaea are globally ubiquitous in aerated soils and become active under wet anoxic conditions

scientific article published on 10 November 2011

Methanogenic food web in the gut contents of methane-emitting earthworm Eudrilus eugeniae from Brazil

scientific article published on 23 January 2015

Methanogenic pathway and archaeal communities in three different anoxic soils amended with rice straw and maize straw

scientific article published on 20 January 2012

Methanogenic populations involved in the degradation of rice straw in anoxic paddy soil

scientific article published in 2001

Methanogens at the top of the world: occurrence and potential activity of methanogens in newly deglaciated soils in high-altitude cold deserts in the Western Himalayas.

scientific article published on 3 December 2013

Microbial ecology of archaeal ammonia oxidation--a review

scientific article published in April 2010

Molecular analyses of methyl-coenzyme M reductase alpha-subunit (mcrA) genes in rice field soil and enrichment cultures reveal the methanogenic phenotype of a novel archaeal lineage

scientific article published in March 2001

Molecular analyses of novel methanotrophic communities in forest soil that oxidize atmospheric methane

scientific article published on May 2000

Molecular analyses of the methane-oxidizing microbial community in rice field soil by targeting the genes of the 16S rRNA, particulate methane monooxygenase, and methanol dehydrogenase

scientific article

Niche differentiation of ammonia oxidizers and nitrite oxidizers in rice paddy soil

scientific article

Oral contrast media in CT: improvement by addition of guar? ⬇️

scientific article published on 01 December 1997

Oxidation of atmospheric methane in soil: Measurements in the field, in soil cores and in soil samples

scholarly article by Matthias Koschorreck & Ralf Conrad published March 1993 in Global Biogeochemical Cycles

Oxidative and reductive microbial consumption of nitric oxide in a heathland soil

Partitioning of CH4 and CO2 Production Originating from Rice Straw, Soil and Root Organic Carbon in Rice Microcosms ⬇️

scientific article published on November 5, 2012

Pathway of CH4 formation in anoxic rice field soil and rice roots determined by 13C-stable isotope fractionation

scientific article

Pattern of non-methanogenic and methanogenic degradation of cellulose in anoxic rice field soil

scientific article published on 01 January 2000

Patterns of Community Change among Ammonia Oxidizers in Meadow Soils upon Long-Term Incubation at Different Temperatures ⬇️

scientific article published on October 1, 2003

Phenotypic characterization of Rice Cluster III archaea without prior isolation by applying quantitative polymerase chain reaction to an enrichment culture

scientific article published in April 2005

Plant presence and species combination, but not diversity, influence denitrifier activity and the composition of nirK-type denitrifier communities in grassland soil

scientific article

Production and consumption of hydrogen in a eutrophic lake

scientific article published on February 1983

Production of aromatic compounds during methanogenic degradation of straw in rice field soil.

scientific article published on 18 November 2004

Pulmonary manifestation of juvenile laryngotracheal papillomatosis ⬇️

scientific article published on 01 March 1998

Quantitative detection of methanotrophs in soil by novel pmoA-targeted real-time PCR assays.

scientific article

RNA-Based Stable Isotope Probing Suggests Allobaculum spp. as Particularly Active Glucose Assimilators in a Complex Murine Microbiota Cultured In Vitro

scientific article published on 16 February 2017

Radiologic changes following cement-free implantation of hip prostheses. 5-year follow-up and clinical experience with the cement-free hip prosthesis Autophor-900-S

scientific article published on 01 September 1998

Regulation of glucose, fructose and sucrose catabolism in Rhodopseudomonas capsulata

scientific article published on April 1, 1978

Relationships between personality traits, seminal parameters and hormones in male infertility

scientific article published in October 2002

Response of Methanogenic Microbial Communities to Desiccation Stress in Flooded and Rain-Fed Paddy Soil from Thailand

scientific article published on 5 May 2017

Response of the methanogenic microbial communities in Amazonian oxbow lake sediments to desiccation stress.

scientific article

Responses of MethanogenmcrAGenes and Their Transcripts to an Alternate Dry/Wet Cycle of Paddy Field Soil ⬇️

scientific article published on November 18, 2011

Responses of methanogenic archaeal community to oxygen exposure in rice field soil

scientific article published on 09 June 2009

Retrieval of first genome data for rice cluster I methanogens by a combination of cultivation and molecular techniques

scientific article

Rice Cluster I methanogens, an important group of Archaea producing greenhouse gas in soil

scientific article

Role of carboxydobacteria in consumption of atmospheric carbon monoxide by soil.

scientific article published on August 1981

Role of humic substances in promoting autotrophic growth in nitrate-dependent iron-oxidizing bacteria

scientific article published on 25 March 2015

Role of microorganisms in the consumption and production of atmospheric carbon monoxide by soil.

scientific article published on September 1980

Salinity Affects the Composition of the Aerobic Methanotroph Community in Alkaline Lake Sediments from the Tibetan Plateau

scientific article published on 22 November 2016

Salinity drives archaeal distribution patterns in high altitude lake sediments on the Tibetan Plateau

scientific article

Seasonal dynamics of bacterial and archaeal methanogenic communities in flooded rice fields and effect of drainage

scientific article

Selective inhibition of reactions involved in methanogenesis and fatty acid production on rice roots

scientific article published on 01 October 2000

Selective stimulation of type I methanotrophs in a rice paddy soil by urea fertilization revealed by RNA-based stable isotope probing

scientific article published on 7 June 2008

Simazine application inhibits nitrification and changes the ammonia-oxidizing bacterial communities in a fertilized agricultural soil ⬇️

scientific article published on 06 September 2011

Spatial variation of active microbiota in the rice rhizosphere revealed by in situ stable isotope probing of phospholipid fatty acids

scientific article

Stable carbon isotope fractionation as tracer of carbon cycling in anoxic soil ecosystems

scientific article

Stable carbon isotope fractionation by acetotrophic sulfur-reducing bacteria

scientific article published on 6 November 2009

Stable carbon isotope fractionation by methylotrophic methanogenic archaea

scientific article published on 17 August 2012

Straw application in paddy soil enhances methane production also from other carbon sources

scientific article published in 2014

Streptomycetes contributing to atmospheric molecular hydrogen soil uptake are widespread and encode a putative high-affinity [NiFe]-hydrogenase

scientific article published on 27 December 2009

Structure and activity of bacterial community inhabiting rice roots and the rhizosphere

scientific article published in August 2006

Structure and function of methanogenic microbial communities in sediments of Amazonian lakes with different water types.

scientific article published on 10 August 2016

Structure and function of the methanogenic archaeal community in stable cellulose-degrading enrichment cultures at two different temperatures (15 and 30 degrees C).

scientific article

Structure and function of the methanogenic microbial communities in Uruguayan soils shifted between pasture and irrigated rice fields ⬇️

scientific article published on June 13, 2013

Structure, function and resilience to desiccation of methanogenic microbial communities in temporarily inundated soils of the Amazon rainforest (Cunia Reserve, Rondonia)

scientific article published on 19 March 2019

Sulfate-Dependent Interspecies H(2) Transfer between Methanosarcina barkeri and Desulfovibrio vulgaris during Coculture Metabolism of Acetate or Methanol.

scientific article published on September 1985

Sulfate-reducing bacteria in rice field soil and on rice roots

scientific article published on 01 May 1999

Sulfur oxidation in rice field soil: activity, enumeration, isolation and characterization of thiosulfate-oxidizing bacteria

scientific article published in December 1998

Syntrophobacteraceae-affiliated species are major propionate-degrading sulfate reducers in paddy soil

scientific article

Temperature-Dependent Network Modules of Soil Methanogenic Bacterial and Archaeal Communities

scientific article published on 12 March 2019

The Root-Associated Microbial Community of the World's Highest Growing Vascular Plants

scientific article published on 31 May 2016

The effect of crop rotation between wetland rice and upland maize on the microbial communities associated with roots

The global methane cycle: recent advances in understanding the microbial processes involved ⬇️

scientific article published on June 10, 2009

Thermoanaerobacteriaceae oxidize acetate in methanogenic rice field soil at 50°C.

scientific article published on 8 July 2010

Thermophilic methanogens in rice field soil

scientific article

Transcriptional response of methanogen mcrA genes to oxygen exposure of rice field soil

scientific article published on 05 January 2011

Transient Production of Formate During Chemolithotrophic Growth of Anaerobic Microorganisms on Hydrogen

article

Turnover of glucose and acetate coupled to reduction of nitrate, ferric iron and sulfate and to methanogenesis in anoxic rice field soil

scientific article published on 01 January 2000

Upland Soil Cluster Gamma dominates methanotrophic communities in upland grassland soils

scientific article published on 20 March 2019

Vertical distribution of structure and function of the methanogenic archaeal community in Lake Dagow sediment.

scientific article published in August 2005

Vertical distribution of the methanotrophic community after drainage of rice field soil

scientific article published on 01 January 2001

[Differences between patients classified as "recovered" or "improved" and "unchanged" or "deteriorated" in a psychotherapy outcome study]

scientific article published on 01 January 2001

[Differences in 2 diagnostic groups of psychosomatic patients on the Symptom Checklist 90-R (SCL-90-R). Consequences for using SCL-90-R in follow-up research]

scientific article published on 01 December 2000

[Incidence and significance of small focal liver lesions in MRI]

scientific article published on 01 May 2001

[Portal contrast medium-enhanced spiral computed tomography of the liver--the correlation of radiological and intraoperative findings and the evaluation of resectability]

scientific article published on 01 December 1999

[Spiral CT of the head-neck area: the advantages of the early arterial phase in the detection of squamous-cell carcinomas]

scientific article published on 01 July 1999

[The MRT of focal liver lesions: the value of gadolinium-enhanced dynamic studies of the whole organ with a fast 3D-turbo-gradient echo sequence]

scientific article published on 01 April 1999

[The pathological/MR tomographic correlation and differential diagnosis of malignant kidney tumors]

scientific article published on 01 August 1999

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