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  • 1
    Online Resource
    Online Resource
    Biology and Ecology of Earthworms (2022)
    New York, NY :Springer US :
    Details
    Keywords: Ecology . ; Environmental management. ; Refuse and refuse disposal. ; Zoology. ; Ecology. ; Ecology. ; Environmental Management. ; Waste Management/Waste Technology. ; Zoology.
    Description / Table of Contents: Ch. 1. Earthworm Morphology -- Ch. 2. Earthworm Physiology -- Ch. 3. Earthworm Diversity, Dispersal, and Geographical Distribution -- Ch. 4. Earthworm Life Histories and Biology -- Ch. 5. Earthworm Ecology: Populations -- Ch. 6. Earthworm Ecology: Communities -- Ch. 7. The Influence of Environmental Factors on Earthworms -- Ch. 8. The Role of Earthworms in Organic Material and Nutrient Cycles -- Ch. 9 -- Interactions Between Earthworms, Microorganisms, and Other Invertebrates -- Ch. 10. Role of Earthworms in Soil Structure, Fertility and Productivity -- Ch.11. Adverse and Beneficial Aspects of Earthworms -- Ch. 12. Earthworms in Environmental Management -- Ch.13. Earthworms in Organic Waste Management -- Ch.14. Effects of Agricultural Practices and Chemicals on Earthworms. .
    Abstract: Biology and Ecology of Earthworms is established as a key valuable text for students of agriculture, soil science, and soil invertebrate zoology and ecology. This is the 4th Edition of the popular textbook which reviews all aspects of earthworm biology and ecology. The book has been fully revised and updated throughout. Particular changes include: new treatments of earthworm taxonomy, diversity, migration and geographical distribution; interactions between earthworms and other soil organisms, especially microorganisms and soil-borne pests and diseases; as well as the importance of earthworms in organic waste management.
    Type of Medium: Online Resource
    Pages: XVI, 567 p. 92 illus., 11 illus. in color. , online resource.
    Edition: 4th ed. 2022.
    ISBN: 9780387749433
    URL: https://doi.org/10.1007/978-0-387-74943-3
    DOI: 10.1007/978-0-387-74943-3
    DDC: 577
    Language: English
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  • 2
    Monograph available for loan
    Monograph available for loan
    Sustainable agricultural systems (1995)
    London : St. Lucie Press
    Details Availability
    Call number: PIK W 100-96-0048
    Type of Medium: Monograph available for loan
    Pages: 696 p.
    ISBN: 093573421x
    Branch Library: PIK Library
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  • 3
    Electronic Resource
    Electronic Resource
    The effect of respiratory chain composition on the growth efficiencies of aerobic bacteria (1977)
    Springer
    Archives of microbiology 115 (1977), S. 85-93 
    Details
    ISSN: 1432-072X
    Keywords: Energy conservation ; Respiratory chain ; Molar growth yields ; Proton translocation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The relationship between respiratory chain redox carrier composition and the efficiency of aerobic growth in continuous culture under carbon-limited conditions has been investigated for nine species of bacteria. True molar growth yields with respect to molecular oxygen ( $$Y_{{\text{O}}_2 }^{\max } $$ ) or dissimilated carbon source (Y substrate ox. max ) were not significantly affected by the nature either of the major quinone component (ubiquinone or menaquinone), of the major cytochrome oxidase moiety (cytochrome aa 3 or o) or of the transhydrogenase segment (energy-dependent transhydrogenase, energy-independent transhydrogenase or no transhydrogenase), but were significantly influenced by the presence or absence of a high potential, membrane-bound cytochrome c. Under glycerol-limited conditions the presence of cytochrome c raised the average $$Y_{{\text{O}}_2 }^{\max } $$ from 51.1 to 84.3 g cells · mole O 2 −1 , and the average Y glycerol ox. max from 154.6 to 233.2 g cells · mole glycerol oxidised−1; the presence of this redox carrier also elicited increases in $$Y_{{\text{O}}_2 }^{\max } $$ and Y substrate ox. max of a similar order during growth under lactate, and glucose-limited conditions. The average efficiencies of aerobic energy conservation calculated from these true molar growth yields were 3.4 mole ATP equivalents · mole O 2 −1 for organisms with respiratory chains which were deficient in cytochrome c and 5.9 mole ATP equivalents · mole O 2 −1 for organisms with respiratory chains which contained cytochrome c. It is concluded from these data, and from parallel measurements of whole cell → H+/O ratios, that bacterial respiratory systems invariably exhibit energy conservation at sites 1 and 2 but that the presence of a highpotential, membrane-bound cytochrome c is an obligatory prerequisite for energy conservation at site 3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00427850
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  • 4
    Electronic Resource
    Electronic Resource
    Recovery of a bacterial sub-population from sewage using immunofluorescent flow cytometry and cell sorting (1995)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 133 (1995), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The effectiveness of immunofluorescence flow cytometry and cell sorting to detect, quantify and separate indigenous bacterial populations present in low concentrations in sewage outflow was investigated. Preparatory experiments for targeted recovery revealed indigenous, immunoglobulin-G-binding particles present at low levels in sewage outflow samples taken from Coniston Water. Fluorescence-activated cell sorting of this population was employed to enrich for these particles, which were confirmed as bacterial cells. This cell population comprised approximately 23% of the total plate count on MacConkey agar before cell sorting, rising to approximately 95% after sorting. These results corresponded to cell densities of less than 5% of the total plate count on R2A agar. Taxonomic tests suggested the bacterium to be Ochrobactrum anthropi.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1995.tb07883.x
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  • 5
    Electronic Resource
    Electronic Resource
    Nitrosating activity in Escherichia coli (1992)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 95 (1992), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Nitrosation activity was measured in Escherichia coli isolates and a range of nitrite reductase (nir) mutants. Activity was only detected in intact cells and could be inhibited by a number of treatments such as sonication and osmotic shock. Aerobically-grown cells had highest nitrosation activity compared to oxygen-limited ones. Inclusion of nitrite in growth media induced high activities of nitrite reductase and for some isolates, nitrosation. Analysis of nir mutants identified two which were unable to nitrosate. This result suggested that NADH-dependent nitrite reductase was implicated either directly or indirectly in nitrosation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1992.tb05348.x
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  • 6
    Electronic Resource
    Electronic Resource
    Salmonella typhimurium displays cyclical patterns of sensitivity to UV-C killing during prolonged incubation in the stationary phase of growth (2002)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 213 (2002), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Stationary phase cells of Salmonella typhimurium were more resistant to killing by UV-C irradiation than those from the exponential phase. Analysis of the tolerance of cells taken at different stages of prolonged incubation as batch cultures to 60 or 100 J m2 doses of UV-C revealed cycles of resistance and tolerance. The possible involvement of rpoS-controlled functions in mediating these cycles could be discounted because they were also detected in an rpoS minus mutant of S. typhimurium. The results are discussed in the context of heterogeneity in cells of stationary phase cultures of S. typhimurium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2002.tb11289.x
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  • 7
    Electronic Resource
    Electronic Resource
    Phylogenetic analysis of peat bog methanogen populations (1999)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 173 (1999), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Peat bog samples from two upland sites in the UK were analysed for the diversity of methanogens using DNA sequence analysis of approximately 300 bp of the MCR I operon contained in 42 cloned amplimers. The clones could be represented as up to five clusters, the largest of which (designated A) contained DNA sequences from a site in the Upper Pennine Hills, UK (called the Moorhouse site), whilst clones from two of the other clusters were from the other site in Galway, South West Scotland (called the Ellergower Moss site). 10 clones were selected as representatives of each cluster and a phylogenetic analysis was performed using 628-bp fragments of the MCR I operon. This phylogenetic analysis supported the phylogenies generated from the shorter sequence analysis, suggested that they represented hitherto uncharacterised mcr genes and that the closest relative of these clones was Methanosarcina barkeri.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1999.tb13534.x
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  • 8
    Electronic Resource
    Electronic Resource
    Flow cytometric detection of specific genes in genetically modified bacteria using in situ polymerase chain reaction (1995)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 134 (1995), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Use of the polymerase chain reaction, coupled with flow cytometry, to detect a plasmid encoded xylE gene sequence in intact cells of Escherichia coli and Pseudomonas putida was investigated. Optimal incorporation of fluorescently labelled dUTP into a full length PCR product required substitution at a level of 2:3 dUTP:dTTP. Formaldehyde fixed cells of both species were counted before and after thermal cycling. Sufficient numbers of cells remained intact for subsequent detection using microscopy and flow cytometry but light scatter properties were altered. Intact cell suspensions of both species containing plasmid pLV1013 were subjected to thermal cycling with fluorescent dUTP in the reaction mix. Subsequent analysis by flow cytometry allowed detection of a fluorescent PCR product associated with cells. Control samples (without the plasmid) showed only background fluorescence. This method demonstrates the potential for applying DNA amplification methods for sensitive detection of specific sequences localized inside intact bacterial cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1995.tb07913.x
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  • 9
    Electronic Resource
    Electronic Resource
    Go with the flow – use of flow cytometry in environmental microbiology (1997)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 24 (1997), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Microbiological activity in the natural world is of key importance in the integrated functioning of ecosystems, yet we remain largely ignorant of the role and relevance of the vast majority of microorganisms. This ignorance is largely due to widely acknowledged, but unresolved problems in methodologies. Application of flow cytometry to such studies has already revolutionised our understanding of marine photosynthetic planktonic microorganisms, revealed new levels of complexity in the behaviour of bacterial populations and produced a reliable screening protocol for eukaryotic water-borne pathogens. Advances in fluorescent probe technology now offer realistic approaches for direct cell identification, viability assessment and responses to environmental changes using basic, single light-source flow cytometers. Here we review current applications of flow cytometry in environmental microbiology and present a case for the adoption of the technique as a necessary and routine research instrument.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.1997.tb00426.x
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  • 10
    Electronic Resource
    Electronic Resource
    Micro-ecology of peat: minimally invasive analysis using confocal laser scanning microscopy, membrane inlet mass spectrometry and PCR amplification of methanogen-specific gene sequences (1998)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 25 (1998), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A peat monolith (15 cm diameter, 35 cm length) from Ellergower Moss (New Galloway, Scotland), kept outdoors and maintained water-saturated, was investigated for the distributions of gases (O2, CO2, CH4), micro-organisms, total archaeal DNA and methanogen DNA. From the water table (at the surface of the Sphagnum), a steep oxycline gave 〈0.25 μM O2 at 2 cm depth (as shown by membrane inlet mass spectrometry and oxygen electrode methods) and 〈10 nM O2 at 6 cm depth (photobacterium gas diffusion probe). Redox potential measurements indicated a steep decline between 6 cm and 13 cm to a value of −90 mV. At the oxic surface of the peat, CO2 measured 0.5 mM and CH4 〈1 μM. Below 7 cm both gases increased to plateaux at 2 mM and 550 μM, respectively; CH4 concentrations also indicated two distinct zones (7 μM to 2.5 cm depth, then to 28 μM at between 3 and 6 cm). Confocal laser scanning microscopy using the fluorophores 5-cyano-2,3-ditolyl tetrazolium chloride or 3,3-dihexyloxacarbocyanine iodide was used to image micro-organisms with redox active electron transport activities or transmembrane electrochemical potentials, respectively. Samples from 1–5 cm depth showed the presence of active aerobic organisms, whereas those from 10 and 20 cm depth were more active anaerobically, and especially so under H2. Archaeal DNA was present throughout the core; strongest hybridisation was below 9 cm. Two methanogen-specific primers, ME1 and ME2 (which amplify a region of the α-subunit of methyl coenzyme M reductase), hybridised with DNA extracted from below 9 cm depth. Here we describe the concerted application of a number of techniques providing direct information on the precise location and activities of microbes involved in the flux of gases from peatlands.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.1998.tb00471.x
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