Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
|
BActeriochlorophylls
|
similar to chlorophyll in strucure
A,B,C,D,E C,D,E - Max abs 400 - 650 nm A,B - Abs IR LIght |
|
|
What bacteriochlorophylls do Purple photosynthetic bacteria have?
|
A,B
|
|
|
What bacteriochlorophylls do green ps bacteria have?
|
C,D,E
|
|
|
Carotenoids
|
Yellow or Orange
Abs light in the blue region 400 - 550nm Prevent against photooxidation |
|
|
Purple Bacteria Plasma Membrane
|
INfolded portions, increases surface area for reactions
|
|
|
Green BActeria, special structures
|
Chlorosomes or chlorobium vesicles
|
|
|
Photosynthetic bacteria are ____, they do not produce O2 during photosynthesis
|
Anoxygenic
Anaerobic - photosynthesis Aerobic - non-phtosynthesis |
|
|
Anaerobic Photosystem I
|
Green Sulfur BActeria
Abs. @ 840 nm |
|
|
Anaerobic Photosystem II
|
P870
Purple non sulfur bacteria Abs. @ 870 nm |
|
|
Dark reactions
Three parts |
C Fixation
Reuction Regeneration of CO2 6 turns of the cycle yields one Fructose 6 phosphate (glycolysis?) |
|
|
Purple Phototrophic Bacteria
|
INternal membrane
Photosytem I Reducing power for NADP+ is H2S or H2 Principle C source CO2 Pigments A,B/carotenoids |
|
|
Green Phototrophic BActeria
|
Chlorobium Vesicles
P.S. I Red. Pow. for NADP: H2S/H2 Source of C: CO2 PIgment: c,d,e |
|
|
Family Rhodospirillaceae
Purple nonsulfur bacteria |
purple nonsulfur bacteria, zno oxidation of elemental sulfur, yes oxidation of low [sulfide]
G-,binary fission or budding, no gas vacuoles, internal membrane, cell suspension green to violet |
|
|
Genus Rhodospirillum
|
spiral shape, polar flagella, binary fission
|
|
|
Genus Rhodopseudomonas
|
Rod-ovoid, polar, budding
|
|
|
Genus Rhodomicrobium
|
Ovoid, peritrichious, budding
|
|
|
Family Chromatiaceae
Purple Sulfur Bacteria |
G-, oxidize H2S w/ sulfur granules, SO4 is oxidatin product
|
|
|
Genus Chromatium
|
Gas vacuoles -, Polar Flagella -, Capsule -, Sulfur deposits intracellular
|
|
|
Genus thiocapsa
|
Gas vacuoles -, Polar Flagella -, Capsule +, Sulfur Deposits INtracellular
|
|
|
Genus Ectothiorhodospira
|
Gas vacuoles -, polar flagella +, capsules -, sulfur deposits Extracellular
|
|
|
Genus Lamprocystis
|
Gas Vacuoles +, Polar Flagella +, Capsule -, Sulfur Deposits INtracellular
|
|
|
Family Chlorbiaceae
Green Sulfur BActeria |
spherical, ovoid, straight, curved rod, binary fission, mot+/-, sulfur extracellular, gas vacuoles, anaerobic
|
|
|
Genus Chlorobium
|
gas vacuole -, mot -
|
|
|
Genus Chloropseudomonas
|
Gas vacuole -, mot +
|
|
|
Genus Pelodictyon
|
gas vacuole +, mot -
|
|
|
Family Chlorofelxaceae
multicell, filamentous green bacteria |
mot gliding motion, anoxygenic photosynthesis, chlorosome
Genera: Chloroflexus and Oscillochloris |
|
|
Genus Hyphomicrobium
|
budding bacteria, G-, methanol utilization, gas vacuole -
Hyphommicrobium coagulans |
|
|
Genus Caulobacter
|
G- strict aerobe, attach to surface with a stalk
Caulobacter bacteroides |
|
|
Sheathed bacteria
|
G-, chains surrounded by outer sheaths, binary fission, release swarmer cells
Genus Sphaerolitus natans Causes non settling in waste |
|
|
Sheathed bac. (cont.)
|
straight rods, respiratory metabolism
Leptothrix ochracea |
|
|
Non photo, non fruiting, Gliding bacteria
|
ORder Myxococcales - fruting bodies
ORder Cytophagales - no fruting bodies |
|
|
ORder MYxococcales
|
two types bacteriolytic and cellulolytic
|
|
|
Order Myxo
Genus Myxococcus |
spherical/oval, no sporangioles, fruting bodies/no stalks
tapered vegetative cells |
|
|
Order Myxo
Genus Archangium |
rod shaped myxospores not in sprangioles, fruting body not on stalkd
tapered vegetative cell |
|
|
Order myxo
Genus Cystobacter |
Rod shaped myxo In sporangioles, fruting body not on stalk
tapered vegetative cell |
|
|
Order myxo
genus Melittangium |
rod shaped myxo in sinlge, tiny sporangioles, fruitng bodies ON stalks
tapered vegetative cell |
|
|
Order Myxo
genus Polyangium |
non taperd, rod shaped myxo always in sporangioles, fruting bodies without stalks
|
|
|
Order Cytophagales
Genus Cytophagea |
No fruting bodies
G- rods, motile gliding, swarm spreading |
|
|
Order Cyto
genus Flexibacter |
rods in filaments, fish pathogen, carotenoids
|
|
|
Order Cyto
Genus Beggiatoa |
colorless cells, filled with S granules
|
