Table 2. Labeled amounts of major compounds from nitrite-oxidizing bacteria.

	14∶0	16∶1 cis7	16∶1 cis9	16∶1 cis11	18∶1 cis11	16∶0
Labeled amounts (%) a	6–13	30–44	6–13	19–45	6–10	11–29
Significance ( p )	<0.1	<0.005	<0.025	<0.005	<0.05	<0.01
Dominating lipids
Nitrospira IV b		++ c		+(+)		+(+)
Nitrobacter					++	+
Nitrococcus			++		++	++
Nitrospina	++		++			+
Nitrotoga			++			++

^arange of the labeled amounts from the 3 moving bed biofilters (incubations with 10 mM nitrite and both used temperatures), see also Figure 2 for detailed information of Nitrospira marker lipids.

^bmarker lipids of Nitrospira sublineage IV, detailed information see Table 3.

^c+: marker lipid with percentage ≤20%; ++: marker lipids with >20% of whole fatty acids for the respective taxon.