FIG 5.
Comparison of relative abundances of the top 10 heterotrophic bacterial OTUs from the 0.22- to 3-μm and >3-μm size fractions over the Synechococcus sp. XM-24 culture growth period. OTUs 1 and 4, order Flavobacteriales; OTUs 2, 8, and 9, order Rhodobacterales; OTU 3, order Cytophagales; OTU 5, Sphingomonadales; OTU6, order Actinomycetales; OTU7, order Rhizobiales; OTU10, order Alteromonadales.