Reference health
Rhizosphere soil enzymes as indicators of perturbations caused by enzyme substrate addition and inoculation of a genetically modified strain of Pseudomonas fluorescens on wheat seed
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1 of 27 checkable references need attention · checked 2026-07-23
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
5 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
References needing attention
does not resolve to a known work10.1128/MMBR.44.4.739-796.1980
The 26 checked references that resolve
resolves10.1128/AEM.61.9.3443-3453.1995
Impact of Field Release of Genetically Modified Pseudomonas fluorescens on Indigenous Microbial Populations of Wheat
resolves10.1111/j.1472-765X.1993.tb00364.x
A simple most probable number technique for the sensitive recovery of a genetically-modified Pseudomonas aureofaciens from soil
resolves10.1016/0929-1393(94)90012-4
Spread and survival of a genetically modified Pseudomonas aureofaciens in the phytosphere of wheat and in soil
resolves10.1007/BF00170116
The use of colony development for the characterization of bacterial communities in soil and on roots
resolves10.2136/sssaj1994.03615995005800060014x
Effect of Soils on the Behavior of Immobilized Enzymes
resolves10.1016/0038-0717(94)90273-9
Activity of free and immobilized urease in soil: Effects of pesticides
resolves10.1007/BF00336098
Evaluation of microbial methods as potential indicators of soil quality in historical agricultural fields
resolves10.1007/BF02011205
Distribution of microorganisms, total biomass, and enzyme activities in different particles of brown soil
resolves10.1094/MPMI-5-004
Suppression of Root Diseases by<i>Pseudomonas fluorescens</i>CHA0: Importance of the Bacterial Secondary Metabolite 2,4-Diacetylphloroglucinol
resolves10.1016/0038-0717(94)90303-4
Inoculation of plants with a flavobacterium species results in altered rhizosphere enzyme activities
resolves10.1016/0038-0717(94)90268-2
Potential luminescence as an indicator of activation of genetically-modified Pseudomonas fluorescens in liquid culture and in soil
resolves10.1007/BF00012873
Effect of Pseudomonas fluorescens on the root exudates of two tomato mutants differently sensitive to Fe chlorosis
resolves10.1016/0038-0717(83)90032-9
Microbial biomass and enzyme activities: Production and persistence
resolves10.1099/00221287-137-5-1009
Development of molecular methods for the detection of specific bacteria in the environment
resolves10.1016/0927-7757(93)80419-F
Interpretation of the pH dependence of protein adsorption on clay mineral surfaces and its relevance to the understanding of extracellular enzyme activity in soil
resolves10.1111/j.1574-6968.1992.tb04992.x
Risks associated with the application of genetically modified microorganisms in terrestrial ecosystems
resolves10.1007/BF00024992
Secretion of acid phosphatase by the roots of crop plants under phosphorus-deficient conditions and some properties of the enzyme secreted by lupin roots
resolves10.1016/0038-0717(94)90288-7
Phosphatase activity in the rhizosphere and hyphosphere of VA mycorrhizal wheat supplied with inorganic and organic phosphorus
resolves10.1006/abio.1993.1010
Detection and Quantification of N-Acetyl-β-D-glucosaminidase, Chitobiosidase, and Endochitinase in Solutions and on Gels
resolves10.1016/0038-0717(94)00162-T
Detection of genetically engineered microorganisms in paddy soil using a simple and rapid “nested” polymerase chain reaction method
resolves10.1016/0167-8809(91)90097-H
Methods for the detection of specific bacteria and their genes in soil
resolves10.1016/0038-0717(92)90074-8
Micro-plate colourimetric assay for Endo -acting cellulase, xylanase, chitinase, 1,3-β-glucanase and amylase extracted from forest soil horizons
The 5 references without a DOI — listed, not checked
no DOI — not checkedEffect of genetically modified Pseudomonas aureofaciens on indigenous populations of wheat
no DOI — not checkedMethods for the detection of changes in the microbial ecology of soil caused by the introduction of microorganisms
no DOI — not checkedMolecular biology: new tools for studying microbial ecology
no DOI — not checkedSoil Enzymes
no DOI — not checkedFactors affecting soil aryl sulphatase activity
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