Thaumararchaeota

Question 1

describe thaumarchaeota

Answer 1

nitrifying archaea
most abundant
discovered thru metagenomic analyses

Question 2

environment

Answer 2

oceans and soils

Question 3

first thaumarchaeota isolated

Answer 3

Nitrosopumilis maritimus

Question 4

carbon source of N. maritimus

Answer 4

C0

Question 5

maritmius can grow at low levels of

Answer 5

ammonia and are prohibited by large conc of NH3

Question 6

membranes pf all thaumarchaeota

Answer 6

lipid crenachaeol

Question 7

autotrophy and assimilation of carbon is supported by

Answer 7

hydrooxypropionate and hydroxybutyrate cycle

Question 8

when n
maritimus assimilate pyruvate or carbon

Answer 8

mixotroph growth

Question 9

all exisiring isolated of thaumarchaeota are

Answer 9

chemolithotrophic ammonia oxidizers

Question 10

some thaurmarchaeota thrive in polar seas or at vents with temp of

Answer 10

75C

Question 11

Thaumarchaeota na isolated sa soil

Answer 11

Nitrososphaera veinnensis

Question 12

meso, extreme or neutro
can it fix co2

Answer 12

meso and neutro
mixotroph

Question 13

N. viennensis uses what e donors

Answer 13

ammonia, urea

Question 14

N. viennensis can grow at low levels of NH3 but tolerate high levels pf

Answer 14

ammonium at neutral pH

Question 15

thaumarchaeota diversity
ocean
soil sample

Answer 15

20% prokayotes in the ocean
1% soil samples

Question 16

abundant in what areas

Answer 16

• oxic marine environment
• antarctica
• present in nutrient poor and very cold temperature

Question 17

marine thaumarchaeota accounts for

Answer 17

40% of picoplankton

Question 18

sometime thaumarchaeota are abundant in soil outnumbering other bactria by

Answer 18

1000 folds

Question 19

thaumarchaeota found in soul iwth pH range of

Answer 19

3 to 9

Question 20

Nitrosotalea devanaterra

Answer 20

grows at pH 4-5, successful in acidic soil