Microbial Diversity

Question 1

what are AEROBIC organisms?

Answer 1

thrive in HIGH oxygen environments
use RESPIRATION and create ATP using ETC, creating ROS

Question 2

what are ANAEROBIC organisms?

Answer 2

thrive in low/NO oxygen environments
do not use O2 as the final electron acceptor OR use fermentation to make ATP through GLCOLYSIS
do not have enzymes to defend against ROS

Question 3

what are MICROAEROPHILIC organisms?

Answer 3

cannot ferment or do anaerobic respiration
NEED OXYGEN to make ATP
no defence against ROS

Question 4

what are FACULATIVE microorganisms?

Answer 4

can GROW ANYWHERE
can ferment and respirate aerobically

Question 5

what are AEROTOLERANT ANAEROBES?

Answer 5

tolerate oxygen, but do not need it, metabolically

Question 6

what are ALPHAPROTEOBACTERIA?

Answer 6

rod-shaped with aerobic metabolism
grow within plant cells and FIX NITROGEN
use macconkey agar

Question 7

what are GAMMAPROTEOBACTERIA?

Answer 7

gram negative rods
faculative anaerobes
many pathogenic species to humans

Question 8

what are BACTEROIDETES?

Answer 8

non spore forming, gram negative rods
aerobic and anaerobic
can become pathogenic