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  • 1
    Call number: AWI Bio-08-0027 ; M 08.0186
    In: Soil biology
    Description / Table of Contents: This volume provides a comprehensive coverage of the principal extreme soil ecosystems of natural and anthropogenic origin. Extreme soils oppose chemical or physical limits to colonization by most soil organisms and present the microbiologist with exciting opportunities. Described here are fascinating environments, such as permafrost, saline, arid and geothermal soils, peatlands, subsurface geomaterial rich in sulfidic ore, Martian soils, hydrocarbon-contaminated hot desert and Antarctic soils, as well as fire-impacted, heavy-metal and radionuclide contaminated soils. Those environments lend themselves both to timely descriptions of colonizing organisms and their activities, and to thoughtful examination of community structure and microbial evolution. Extreme soils provide invaluable examples of microbial adaptations in coping with hostile habitats. Being home to a remarkable diversity, they are ideal models for scientific exploration and propose solutions to biotechnology and bioremediation challenges.
    Type of Medium: Monograph available for loan
    Pages: XVII, 369 S. : Ill., graph. Darst.
    ISBN: 9783540742302
    Series Statement: Soil biology 13
    Note: Contents: PART I PRINCIPLES OF EXTREME SOIL MICROBIOLOGY. - 1 The Microbiological Promises of Extreme Soils / Patrice Dion. - 2 Microbial Diversity, Life Strategies, and Adaptation to Life in Extreme Soils / Vigdis Torsvik and Lise Øvreås. - 3 Extreme Views on Prokaryote Evolution / Patrice Dion. - 4 Biodiversity: Extracting Lessons from Extreme Soils / Diana H. Wall. - PART II NATURAL EXTREME SOILS. - 5 Halophilic and Halotolerant Micro-Organisms from Soils / Antonio Ventosa, Encarnacion Mellado, Cristina Sanchez-Porro, and M. Carmen Marquez. - 6 Atacama Desert Soil Microbiology / Benito G6mez-Silva, Fred A. Rainey, Kimberley A. Warren-Rhodes, Christopher P. McKay, and Rafael Navarro-Gonzruez. - 7 Microbial Communities and Processes in Arctic Permafrost Environments / Dirk Wagner. - 8 Aerobic, Endospore-Forming Bacteria from Antarctic Geothermal Soils / Niall A. Logan and Raymond N. Allan. - 9 Peatland Microbiology / Shwet Kamal and Ajit Vanna. - 10 Subsurface Geomicrobiology of the Iberian Pyritic Belt / Ricardo Amils, David Femandez-Remolar, Felipe Gómez, Elena González-Toril, Nuria Rodriguez, Carlos Briones, Olga Prieto-Ballesteros, Jose Luis Sanz, Emiliano Díaz,Todd O. Stevens, Carol R. Stoker, the MARTE Team. - 11 The Potential for Extant Life in the Soils of Mars / Ronald L. Crawford and David A. Newcombe. - PART III ANTHROPOGENIC EXTREME SOILS. - 12 Bacteriology of Extremely Cold Soils Exposed to Hydrocarbon Pollution / Lucas A.M. Ruberto, Susana C. Vazquez, and Walter P. Mac Cormack. - 13 Microbiology of Oil-Contaminated Desert Soils and Coastal Areas in the Arabian Gulf Region / Samir Radwan. - 14 Microbial Communities in Fire-Affected Soils / Christopher Janzen and Tarnmy Tobin-Janzen. - 15 Endophytes and Rhizosphere Bacteria of Plants Growing in Heavy Metal-Containing Soils / Angela Sessitsch and Markus Puschemeiter. - 16 Interactions of Fungi and Radionuclides in Soil / John Dighton, Tatyana Tugay, and Nelli Zhdanova. - Index.
    Location: Upper compact magazine
    Branch Library: AWI Library
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Current microbiology 5 (1981), S. 329-331 
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Glutamine synthetase I fromRhizobium meliloti was found to be inhibited by adenosine 5′-monophosphate, alanine, glycine, carbamyl phosphate, cytidine 5′-triphosphate, tryptophan, histidine, and glucosamine-6-phosphate. Each inhibitor was independent in its action and the effect was cumulative when more than one inhibitor was added.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. A study was conducted to examine the growth response of a rhizobial strain Rhizobium sp. NBRI330 isolated from root nodules of Prosopis juliflora growing in alkaline soil. The strain had the ability to nodulate P. juliflora. Nursery grown plants inoculated with Rhizobium sp. NBRI330 had 60.6% higher plant dry weight, as compared with uninoculated plants. The individual stress survival limit of a rhizobial strain Rhizobium sp. NBRI330 isolated from alkaline soil in a medium containing 32% (wt/vol) salt was 8 h, and at 55°C up to 3 h. The length of Rhizobium sp. NBRI330 in salt-stressed cells increased significantly to 3.04 μm from 1.75 μm of non-stressed control cells. On the contrary, the length of pH-stressed cells declined to 1.40 μm. Compared with non-stressed control rod-shaped cells, the shape of temperature-stressed cells changed to spherical, of 0.42 μm diameter. High temperature (45°C) was tolerated efficiently by Rhizobium sp. NBRI330 in the presence of salt at pH 12, as compared with pH 7.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. A procedure that consumes less screening time was developed for screening chickpea rhizosphere-competent bacteria for suppression of the chickpea pathogenic fungi Fusarium oxysporum f. sp. ciceri, Rhizoctonia bataticola and Pythium sp. Of the 478 bacteria obtained by random selection of the predominant, morphologically distinct colonies, 386 strains that effectively colonize chickpea roots could be divided broadly into three different groups. The first group consisted of 44 good chickpea rhizosphere colonizers with 107 to 108 colony-forming units (CFU)/g root; the second group consisted of 253 medium chickpea rhizosphere colonizers with 104 to 106 CFU/g root; and the third group consisted of 89 poor chickpea rhizosphere colonizers with 100 (nondetectable) to 103 CFU/g root. Forty-four Rifr strains from the first group of good chickpea rhizosphere colonizers were further screened for their in vitro biocontrol activity against F. oxysporum f. sp. ciceri, R. bataticola, and Pythium sp. One bacterial strain was selected for further work because of its unique ability to inhibit all three fungi and its good chickpea rhizosphere colonization ability. This is the first report of a single biocontrol bacterium active against three most devastating pathogenic fungi of chickpea. In a greenhouse test, chickpea seed bacterization with P. fluorescens NBRI1303 increased the germination of seedlings by 25%, reduced the number of diseased plants by 45%, compared with nonbacterized controls. Increases in seedling dry weight, shoot length, and root length ranged from 16% to 18%. Significant growth increases in shoot length, dry weight, and grain yield, averaging 11.59%, 17.58%, and 22.61% respectively above untreated controls, were attained in field trials in Agra and Jhansi. A rifampicin-resistant mutant P. fluorescens NBRI1303R of the P. fluorescens NBRI1303, used to monitor chickpea root colonization, confirmed the rapid and aggressive colonization by the bacterium, making it a potential biocontrol agent against chickpea phytopathogenic fungi. The results, demonstrating an increase in the efficiency of screening and detection of plant beneficial strains, should greatly benefit future studies.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Current microbiology 34 (1997), S. 12 -17 
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. A greenhouse assay was developed to evaluate the root-colonizing capability of the native chickpea rhizospheric bacterial population. In this assay system, screening time was reduced on two counts. First, spontaneous chromosomal rifampicin-resistant (Rifr) strains were directly inoculated to seeds without any check for the stability of the mutation, and second, no attempts were made to taxonomically identify all the strains being screened for chickpea rhizosphere competence. Only two chickpea rhizosphere-competent Rifr strains from the group of six good chickpea rhizosphere colonizers forming 107 to 108 colony-forming units (cfu)/g root were taxonomically identified as Pseudomonas fluorescens NB13R and Pseudomonas spp. NB49R, after screening 49 bacteria. Both the strains showed no difference from their corresponding wild-type strains P. fluorescens NB13 and Pseudomonas spp. NB49 in terms of chickpea rhizosphere competence. Isogenic or equally rhizospheric competitive second non-isogenic bacterial isolate, when present in tenfold higher amount, pre-empted the colonization of the soil by the bacterium, which was present in smaller ratio. These findings indicate that the isogenic or equally rhizospheric competitive second non-isogenic Rifr strains should be compared for their survival and competition with that of the isogenic parent and with each other for specific ecological niche, before using a mixture of isolates, for stable and consistent biological seed treatment to control soilborn pathogens or pests or to promote plant growth.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. An ecological survey was conducted to characterize 4800 bacterial strains isolated from the root-free soil, rhizosphere, and rhizoplane of Prosopis juliflora growing in alkaline soils. Of the 4800 bacteria, 857 strains were able to solubilize phosphate on plates. The incidence of phosphate-solubilizing bacteria (PSB) in the rhizoplane was highest, followed by rhizosphere and root-free soil. Eighteen bacterial strains out of 857 PSB were able to produce halo at 30°C in a plate assay in the presence of 5% salt (NaCl) and solubilize tricalcium phosphate in National Botanical Research Institute's phosphate growth medium (NBRIP) broth, in the presence of various salts, pHs, and temperatures. Among the various bacteria tested, NBRI4 and NBRI7 did not produced halo in a plate assay at 30°C in the absence of salt. Contrary to indirect measurement of phosphate solubilization by plate assay, the direct measurement of phosphate solubilization in NBRIP broth assay always resulted in reliable results. The phosphate solubilization ability of NBRI4 was higher than in the control in the presence of salts (NaCl, CaCl2, and KCl) at 30°C. Phosphate solubilization further increased in the presence of salts at 37°C as compared with 30°C. At 37°C, CaCl2 reduced phosphate solubilization ability of NBRI4 compared with the control. The results indicated the role of calcium salt in the phosphate solubilization ability of NBRI4.
    Type of Medium: Electronic Resource
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  • 7
  • 8
    Publication Date: 2013-05-30
    Print ISSN: 0175-7598
    Electronic ISSN: 1432-0614
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Published by Springer
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  • 9
    Publication Date: 2010-01-19
    Print ISSN: 0302-8933
    Electronic ISSN: 1432-072X
    Topics: Biology
    Published by Springer
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  • 10
    Publication Date: 2015-02-01
    Print ISSN: 0031-9422
    Electronic ISSN: 1873-3700
    Topics: Biology , Chemistry and Pharmacology
    Published by Elsevier
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