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| Is sergei winogradsky in golden age? Who did he oppose? |
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Definition
Yes in golden age
opposed Koch |
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Definition
| bacteria in natural habitats |
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Definition
enrichment cultures
series of microes instead of specific microbes |
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Definition
| lithotrophs- uses of inorganic cmpd as e- for metabolism |
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Definition
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| Where would cyanobacteria be in winogradsky column? |
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Definition
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| sulfur loving bacteria use: |
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Definition
| different wavelengths of life to fix carbon phot/auto/chemo/hetero all sorts |
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| sulfate reducing bacteria are |
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Definition
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Definition
| shoreline-200m depth all water |
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Definition
| water beyound coastal shelf |
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Definition
floor sediements (not water)
includes deep sea vents |
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Term
| what two microbes might you find in benthos? |
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Definition
| strain 121 or geogemma barossi |
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Term
Neuston region:
depth-
contains- |
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Definition
10 micrometers interface between air/water
has most O2 and light available
contains most microbes |
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Definition
top 100-200m
has light
contains phototrophs |
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Definition
greater than 200m
no light
chemo/ hetero/ litho trophs
High concentration of metals N/S/P |
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| Deep sea vents don't have a lot of -- meaning what type of microbes have to live there |
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Definition
oxygen
obligate anaerobes (no peroxidase/SOD) |
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Term
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Definition
Psychrophiles
Thermophiles |
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Term
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Definition
Sulfur -2 oxidizers (lithotrophs?)
SO4-2 are reducers and respire anaerobically using so4 as e- acceptor |
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Term
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Definition
| methanogens- makes CH4 via carbon fixing |
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Term
| symbiotic relationship in benthos ex: |
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Definition
tube worm symbionts (euk) giant tube full of more symbionths- archae/bacteria that within them produce things for survival
Type of relationship?? |
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Definition
fungal infections of plants
most plants |
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Term
Mycorrhizae relationship w/ plants =
bc- |
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Definition
Mutualistic: both benifits
Fungi Enhance uptake of water + minerals and bring into plant
Distribute organics wider than w/out fungus |
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Definition
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Definition
ascomycota (truffles) colonize rhizoplane
form root sheath
large surface area
increase absorbtion of nutrients NO2, SO3, water |
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Definition
invade cells forming "arbuscles" which penetrates cell wall and membrane
in few species |
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Definition
| changes in environmental elemental distrubution |
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Definition
| air, water, inorganics- N, s, h20 |
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| sink/source of an element (location of element instead of location of microbe) |
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Definition
| taking e-=oxidation. Reducing is giving e- |
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