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MBIO: unusual reactions in the nitrogen cycle-Nitrate Ammonification and Anammox

Terms in this set (11)

what is the reaction of nitrate ammonification and is it oxidation or reduction
NO3- -> NH3
is nitrate ammonification the same as denitrification?
no
what type of microbes do nitrate ammonification
anaerobes
what environments does nitrate ammonification occur in and what are the two purposes of it?
-carbon rich environments (rumen)
- 1. assimilation
-2. reduction
of all the reactions in the nitrogen cycle which causes for NH3 to accumulate
nitrate ammonification
what does anammox stand for
anaerobic ammonium oxidation
what is the energy source of anammox
electron acceptor
type of respiration
who does anammox?
NH3
electron acceptor is NO2-
anaerobic respiration
Performed ONLY by members of the planctomyces phylum
what makes anammox unusual and where do the two nitrogens come from that make N2 (the end product)
Two nitrogen molecules as donor and acceptor is unusual and N2 gas is the end product (one N from NH3 and one Nfrom NO2^-)
what two compounds are bad for water ways and what reaction in the nitrogen cycle can reduce both?
ammonia (limiting growth factor) and nitrite (toxic)
anammox
why do scientists not exactly know how to make the best environment for anammox to occur
No one has been able to isolate in pure form planctomyces
Because of this we dont know how to completely properly make conditions for planctomyces but we are still nto super confident for how to select for planctomyces spp
how do scientists know planctomyces spp preform anammox
rna sequencing to know who was there when anammox happened
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