Table 2 Bacterial dynamics in the two inoculated (1A and 1B) and control piles (2A and 2B) as revealed by PCR-DGGE analysis during the composting process.

Experimental pile	Sampling time (day)	Acetobacter nitrogenifigens	Acetohalobium arabaticum	Acinetobacter gandensis	Acinetobacter radioresistens	Acinetobacter variabilis	Actimicrobium antarcticum	Blastochloris viridis	Ferrovibrio denitrificans	Gluconobacter albidus	Luteimonas terricola	Nitrosomonas communis	Novispirillum itersonii	Novosphingobium acidiphilum	Paracoccus kocurii	Paracoccus laeviglucosivorans	Pseudomonas guguanensis	Pseudorhodoplanes sinuspersici	Pseudoxanthomonas suwonensis	Qingshengfania soli	Reyranella soli	Rhizobium endolithicum	Rhodoligotrophos jinshengii	Rhodothalassium salexigens	Swingsia samuiensis
1A	t0	●			●	●				●											●				●
	t7			○												●					●				●
	t23		●				○									●			●						●
	t28																		●
	t36																○		●
	t44							○									○		●
	t65								○		●	●	●		○			○	●	●
	t95								○		●	●	●		○			○	●	●
	t113										●	●	●		○				●	●	●	●
1B	t0	●			●	●				●											●				●
	t7			○												●					●				●
	t23		●				○									●			●
	t28																○		●
	t36																		●
	t44							○											●
	t65								○		●	●	●		○			○	●	●
	t95								○		●	●	●		○			○	●	●
	t113										●	●	●		○				●	●	●	●
2A	t0	●			●	●				●				○							●		○		●
	t7			○												●								○	●
	t23		●				○									●			●
	t28																		●
	t36																○		●
	t44							○											●
	t65								○		●	●	●		○			○	●	●
	t95								○		●	●	●		○			○	●	●
	t113										●	●	●		○				●	●	●	●
2B	t0	●			●	●				●				○							●		○		●
	t7		●	○			○									●			●		●				●
	t23		●				○									●			●
	t28																○		●
	t36																		●
	t44							○											●
	t65								○		●	●	●		○			○	●	●
	t95								○		●	●	●		○			○	●	●
	t113										●	●	●		○				●	●	●	●

●DGGE bands resulting from the analysis of the DNA extracted directly from samples and showing >97% of similarity with the sequences of the closest relatives found by a BLAST search in the GenBank database.
○DGGE bands resulting from the analysis of the DNA extracted directly from samples and showing ˂ 97% of similarity with the sequences of the closest relatives found by a BLAST search in the GenBank database
1A and 1B: experimental piles inoculated with azotobacteria and spores of Phanerochaete chrysosporium; 2A and 2B: control piles.

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