Effect of pH and temperature on microbial community structure and carboxylic acid yield during the acidogenic digestion of duckweed

Calicioglu, Ozgul; Shreve, Michael J.; Richard, Tom L.; Brennan, Rachel A.

doi:10.1186/s13068-018-1278-6

Biotechnology for Biofuels and Bioproducts

Table 5 Relative abundance (R.A.) and cumulative abundance (C.A.) of top five archaeal genera in each reactor group

From: Effect of pH and temperature on microbial community structure and carboxylic acid yield during the acidogenic digestion of duckweed

Condition	Type	Taxa	R.A. (%)	C.A. (%)
Acidic mesophilic	Blank	None		None
	Active	c__Methanomicrobia;o__Methanosarcinales;f__Methanosarcinaceae;g__Methanosarcina	2.03	3.03
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobrevibacter	0.83
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobacterium	0.13
		c__Thermoplasmata;o__E2;f__[Methanomassiliicoccaceae];g__vadinCA11	0.04
	Control	c__Thermoplasmata;o__E2;f__[Methanomassiliicoccaceae];g__vadinCA11	0.77	2.35
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobacterium	0.69
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobrevibacter	0.45
		c__Methanomicrobia;o__Methanosarcinales;f__Methanosarcinaceae;g__Methanosarcina	0.19
		c__Thaumarchaeota;o__Nitrososphaerales;f__Nitrososphaeraceae;g__Candidatus Nitrososphaera	0.16
Acidic thermophilic	Blank	None		< 0.1
	Active	c__Methanomicrobia;o__Methanosarcinales;f__Methanosarcinaceae;g__Methanosarcina	0.03	< 0.1
	Control	c__Methanomicrobia;o__Methanosarcinales;f__Methanosarcinaceae;g__Methanosarcina	0.02	< 0.1
Basic mesophilic	Blank	c__MCG;o__pGrfC26;f__;g__	0.02	< 0.1
	Active	c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobrevibacter	1.45	1.49
		c__Thermoplasmata;o__E2;f__[Methanomassiliicoccaceae];g__Methanomassiliicoccus	0.02
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobacterium	0.01
	Control	c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobrevibacter	0.35	0.73
		c__Thermoplasmata;o__E2;f__[Methanomassiliicoccaceae];g__Methanomassiliicoccus	0.14
		c__Thaumarchaeota;o__Nitrososphaerales;f__Nitrososphaeraceae;g__Candidatus Nitrososphaera	0.13
		c__Methanomicrobia;o__Methanosarcinales;f__Methanosarcinaceae;g__Methanosarcina	0.05
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanosphaera	0.0
Basic thermophilic	Blank	None	0.00	< 0.1
	Active	c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanothermobacter	3.58	3.93
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobacterium	0.28
		c__Thermoplasmata;o__E2;f__[Methanomassiliicoccaceae];g__Methanomassiliicoccus	0.02
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobrevibacter	0.02
		c__Thaumarchaeota;o__Nitrososphaerales;f__Nitrososphaeraceae;g__Candidatus Nitrososphaera	0.01
	Control	c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanobrevibacter	0.27	0.97
		c__Thermoplasmata;o__E2;f__[Methanomassiliicoccaceae];g__Methanomassiliicoccus	0.24
		c__Methanobacteria;o__Methanobacteriales;f__Methanobacteriaceae;g__Methanothermobacter	0.15
		c__Thaumarchaeota;o__Nitrososphaerales;f__Nitrososphaeraceae;g__Candidatus Nitrososphaera	0.12
		c__Methanomicrobia;o__Methanosarcinales;f__Methanosarcinaceae;g__Methanosarcina	0.10

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ISSN: 2731-3654

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