Table 1. Statistical analysis of 16S rRNA gene clone libraries derived from rhizosphere samples of ‘Ca. L asiaticus'-infected or healthy citrus.

	Libraries infected			Healthy			Bulk
	IT1	IT2	IT3	HT1	HT2	HT3
Accession numbers	JF416062–JF416236	JF437361– JF437535	JN052217–JN052392	JF345348–JF345521	JN052393–JN052567	JN052568–JN052739	JN161828– JN162004
Statistics
No. of sequences	175	175	176	174	175	172	177
Library coveragea	81.2	87.6	76.2	77.2	78.3	76.6	89.3
No. of OTUsb	71	65	84	96	96	95	54
Diversity indexes
Chao1	221.1	186.4	264.3	441.23	569.2	532.2	143.2
Shannon–Weiner diversity index	3.8	3.7	3.8	4.3	4.2	4.3	3.5

Abbreviations: ‘Ca. L. asiaticus', Candidatus Liberibacter asiaticus; OTUs, operational taxonomic units.

^aC_X=(1−(n_x/N)) × 100, where n_x is the number of singletons that are encountered only once in a library and N the total number of clones.

^bOTUs were defined at 97% sequence identity.