monera Flashcards
first scientific attempt for classification
aristotle
2 kingdom classification
linnaeus
three kingdom classification
haeckel
four kingdom classification
copeland
five kingdom classification
rh whittaker
six kingdom classification
carl woese
- what are the 6 kingdoms
- differentiate archaebacteria and eubacteria
- on what basis did he divide the kingdoms into 3 domains of life
- what was the common ancestor called
- archaebacteria, eubacteria, protista, fungi, plantae, animalia
- archaebacteria doesnt have peptidoglycan and muramic acid in the cell wall, and also its cell membrane has unimembrane of branched chain lipids (phytanyl tail) instead phospholipid bilayer
ribosomal proteins are acidic and dna contains introns - on the basis of sequence of 16S rRna
- progenote
obligate aerobe
bacillus subtilis
obligate anaerobe
clostridium botulinum
facultative aerobe
chlorobium
facultative anaerobe
mycoplasma, plasmodium
purple sulphur bacteria
thiospirillum
green sulphur bacteria
chlorobium
purple non sulphur bacteria
rhodospirillum
green non sulphur bacteria
chloronema
ammonia to nitrite bacteria
nitrosomonas, nitrococcus
nitrite to nitrate bacteria
nitrobacter, nitrocystis
iron bacteria
ferrobacillus leptothrix
hydrogen bacteria
hydrogenomonas
h2s to s bacteria
beggiatoa
s to h2so4 bacteria
thiobacillus thioxidans
free living, aerobic nitrogen fixers
azotobacter, beijerinckia, klebsiella, clostridium
anaerobic nitrogen fixer
clostridium pasteurianum
endospore formation
what is it made up of
bacillus, clostridium
calcium dipicolinic acid
transformation
griffith (1928)
diplococcus or streptococcus pneumoniae
conjugation
lederberg and tatum (1946)
e.coli
transduction
zinder and lederberg (1952)
salmonella typhimurium
symbiotic nitrogen fixers
rhizobium, frankia, xanthomonas
bacitracin
bacillus licheniformis
retting of fibres
clostridium perfringens, pseudomonas fluorescence
curing of leaves
tea (micrococcus candidans)
tobacco (bacillus megatherium)
erythromycin
streptomyces erythraeus
methanogens
obligate anaerobe, chemoautotroph
explain halophile membrane
purple due to presence of bacterio-rhodopsin which traps energy for synthesis of ATP but it is not used for food
halophile
heterotroph, facultative anaerobe
thermoacidophile
chemosynthetic
red sea
trichodesmium erythrium
what are cyanelles
when cyanobacteria live endozoically in protozoans
what are cyanobacteria characterised by
-absence of flagella throughout life cycle
-4 layered cell wall
-central colourless centroplasm, peripheral protoplasm is -pigmented due to thylakoids called chromoplasm
-lamellosome connects membrane to nucleoid
-sap vacuoles are replaced by gas vacuoles
what are the pigments in cyanobacteria
phycocyanin (blue)
phycoerythrin (red)
allophycocyanin (light blue)
chlorophyll a
describe photosytems in heterocysts
it lacks ps-ii and co2 is only done in vegetative cells
it has ps-i tho which generates ATP required to fix N2
which bga have been used to reclaim soil
nostoc, anabena
which bgas cause algal blooms
microcystis aeruginosa
anabaena flos-aquae
aphanizomenon flos-aqaue
who discovered PPLO
nocard and roux
what are the various names of PPLO and who named them
borrel named it asterococcus mycoides
and nowak named it mycoplasma
describe the reproduction of mycoplasma and also their dna
they reproduce by formation of elementary bodies
they have liner double stranded dna extending throughout the cell
what is the smallest prokaryote
mycoplasma gallisepticum
what diseases do mycoplasma cause
potato witch’s broom
little leaf of brinjal both in plants
apart from pleuropneumonia in cattle