Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes:
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| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 85 S. graph. Darst. |
Internformat
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Datensatz im Suchindex
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| adam_text | IMAGE 1
A. INTRODUCTION
1
1. FUNCTIONAL BIODIVERSITY IN PLANT-SOIL ECOSYSTEMS 1
2. ENZYME ACTIVITIES AS INDICATORS FOR FUNCTIONING IN SOIL SYSTEMS 3
2.1. THE MYCORRHIZOSPHERE - COMPONENTS AND THEIR FUNCTIONS 4
2.1.1 ECTOMYCORRHIZAE - A HIGHLY DIVERSE GROUP OF MYCORRHIZAL ASSOCIATES
5 2.1.2 ECTOMYCORRHIZAL FUNGI AND THEIR POTENTIAL ROLE IN NUTRIENT
EXPLOITATION 6 2.1.3 DEVELOPMENT OF NEW ASSAYS FOR MEASURING ENZYME
ACTIVITIES AS FUNCTIONAL TRAITS OF ECTOMYCORRHIZAE 7
2.1.4 MODEL SYSTEMS TO STUDY MECHANISMS OF REGULATING ENZYME ACTIVITIES
8
B. RESULTS AND DISCUSSION 9
1. BIODIVERSITY AND FUNCTIONING OF ECTOMYCORRHIZAL COMMUNITIES 9
1.1. ADDING FUNCTIONAL TRAITS T O BIODIVERSITY STUDIES OF
(ECTO)MYCORRHIZAE - A METHOD DEVELOPMENT BASED ON POTENTIAL
EXTRACELLULAR ENZYME ACTIVITIES 9
1.1.1 PRINCIPLE OF ENZYME ASSAYS WITH EXCISED ECTOMYCORRHIZAL TIPS 9
1.1.2 DEVELOPING AN EXTENDED PROCEDURE FOR ENZYME ACTIVITY PROFILING 10
1.1.3 STANDARDISATION AND SIMPLIFICATION FOR A BROAD APPLICABILITY 11
1.1.4 ADVANTAGES AND LIMITS OF THE METHOD OF ENZYME ACTIVITY PROFILING
13
1.2. LOCALISATION OF ENZYMES OF ECTOMYCORRHIZAL FUNGI- ADAPTATION AND
OPTIMISATION OF A METHOD FOR SEQUENTIAL EXTRACTION OF CELL-WALL
ASSOCIATED PROTEINS 15
2. CASE STUDIES IN NATURAL AND DISTURBED PLANT-SOIL SYSTEMS 17
2.1. BIODIVERSITY O F MYCORRHIZAL COMMUNITIES OIALNUS ACUMINATA IN
RELATION T O LOCAL SOIL CONDITIONS 17
2.2. ELEVATED TROPOSPHERIC OZONE LEVELS AND FUNCTIONING OF FOREST SOIL
SYSTEMS.... 19
2.2.1 CURRENT AND FUTURE OZONE LEVELS AS INFLUENCING FOREST CARBON AND
NUTRIENT CYCLING 19
2.2.2 OUTLINE OF EXPERIMENTAL SYSTEMS IN SFB607 20
2.2.3 OZONE EFFECTS ON THE PLANT-SOIL SYSTEM 21
2.2.4 METHODOLOGICAL APPROACHES T O ASSESS OZONE EFFECTS IN THE
MYCORRHIZOSPHERE AND IN ECTOMYCORRHIZAL COMMUNITIES 22
2.2.5 EFFECTS OF OZONE ON ECTOMYCORRHIZAL COMMUNITY DIVERSITY AND
COMPOSITION . 23
2.2.6 FUNCTIONAL CHANGES OF ECTOMYCORRHIZAL COMMUNITIES UNDER ELEVATED
OZONE. 24
2.2.7 CHANGES IN THE MYCORRHIZOSPHERE SOIL SYSTEM UNDER ELEVATED OZONE
25 2.2.8 CONCLUSIONS ABOUT OZONE EFFECTS ON THE BELOW-GROUND SYSTEM 26
2.3. INFLUENCE OF POLLUTANTS ON BIOLOGICAL FUNCTIONING O F MICROBIAL
COMMUNITIES IN SOILS, SEDIMENTS AND WASTE WATERS 27
2.3.1 EFFECTS OF POLLUTANTS ON PLANT-SOIL SYSTEMS 27
HTTP://D-NB.INFO/1034845691
IMAGE 2
2.3.2 FIELD STUDIES WITH CONTAMINATED SOILS 28
2.3.3 MICROCOSM EXPERIMENTS WITH POLLUTANTS 30
2.3.4 POTENTIAL OF ISOLATED FUNGAL CULTURES T O DEGRADE ORGANIC
CONTAMINANTS 3 1 2.3.5 CONCLUSIONS FROM EXPERIMENTS WITH CONTAMINANTS 3
1
2.4. ENZYMES AND ECOSYSTEM PROCESSES - INFLUENCE OF EXTREME WEATHER
EVENTS.. 32
2.4.1 EFFECTS OF CLIMATE CHANGE AT LOCAL SCALES 32
2.4.2 EFFECTS O F INCREASED FREQUENCY O F FREEZE-THAW CYCLES ON
ECOSYSTEM RESPONSES IN A MODEL GRASSLAND 33
2.4.3 EFFECTS OF EXTENDED DROUGHT ON ACTIVITIES OF SOIL MICROBIAL
COMMUNITIES... 34 2.4.4 EFFECTS OF PROLONGED DROUGHT PERIODS IN MODEL
GRASSLAND ECOSYSTEMS 36 2.4.5 EFFECTS OF AIR WARMING AND DROUGHT ON
FUNCTIONS O F THE MYCORRHIZAL FUNGUS C. GEOPHILUM IN ASSOCIATION WITH
THREE OAK SPECIES 37
2.4.6 PROTEOME ANALYSES AND MECHANISMS O F DROUGHT REGULATION IN C.
GEOPHILUM. 37
2.4.7 CONCLUSIONS ABOUT DROUGHT RESPONSES AT DIFFERENT LEVELS OF
COMPLEXITY 39
C. GENERAL DISCUSSION 40
1. METHODOLOGICAL ASPECTS OF USING ENZYME ACTIVITY ASSAYS TO STUDY SOIL
BIOLOGICAL FUNCTIONS 40
2. FACTORS AFFECTING ENZYME ACTIVITIES IN COMPLEX HABITATS 42
2.1. PHYSICO-CHEMICAL AND BIOLOGICAL FACTORS 42
2.2. EXPERIMENTAL SCALES 44
3. LEVELS OF REGULATION OF ENZYME ACTIVITIES IN ECTOMYCORRHIZAL FUNGI
AND THE IMPORTANCE OF BIODIVERSITY 46
4. ROLE OF ENZYME ACTIVITIES FOR ECOLOGICAL FUNCTIONS OF ECTOMYCORRHIZAL
COMMUNITIES 50
5. BEYOND ECTOMYCORRHIZAE - FUNCTIONAL BIODIVERSITY IN THE
ECTOMYCORRHIZOSPHERE 52
6. ECOLOGICAL CONCEPTS AND SYSTEM VIEWS 55
D. CONCLUSION AND PERSPECTIVES 57
E. OWN PUBLICATIONS SUMMARISED IN THIS WORK 58
F. REFERENCES 6 1
G. CURRICULUM VITAE 83
H. DANKSAGUNG 84
|
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| author | Pritsch, Karin 1962- |
| author_GND | (DE-588)172714931 |
| author_facet | Pritsch, Karin 1962- |
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| bvnumber | BV040934862 |
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| dewey-full | 577.57 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 577 - Ecology |
| dewey-raw | 577.57 |
| dewey-search | 577.57 |
| dewey-sort | 3577.57 |
| dewey-tens | 570 - Biology |
| discipline | Biologie |
| format | Thesis Book |
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| language | English |
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| spelling | Pritsch, Karin 1962- Verfasser (DE-588)172714931 aut Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes vorgelegt von Karin Pritsch 2012 85 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Habil.-Schr., 2012 (DE-588)4113937-9 Hochschulschrift gnd-content DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025913750&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Pritsch, Karin 1962- Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes |
| subject_GND | (DE-588)4113937-9 |
| title | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes |
| title_auth | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes |
| title_exact_search | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes |
| title_full | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes vorgelegt von Karin Pritsch |
| title_fullStr | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes vorgelegt von Karin Pritsch |
| title_full_unstemmed | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes vorgelegt von Karin Pritsch |
| title_short | Functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes |
| title_sort | functional plasticity of microbial components in the mycorrhizosphere of forest and grassland ecosystems with special emphasis on extracellular enzymes |
| topic_facet | Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025913750&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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