High-throughput sequencing-based analysis of the succession of fungal communities during the storage of northeast japonica rice
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Abstract:
To explore the succession of the fungal communities of the northeast japonica rice with different initial moistures under the conditions simulating those of the real storage ware house environment. The rice with a moisture content of 14.50%~15.50%, HW, and the rice with a moisture content of 13.50%~14.50%, LW, were sued for the simulated storage experiments. The results showed that the moisture contents of the HW rice and LW rice decreased from 15.50% to 15.09% and from 14.21% to 13.59%, respectively, in the first and second storage periods, and remained stable in the third storage period. According to the taxonomic analysis based on operational taxonomic units (OTUs), the fungal communities of the two types of rice underwent different successional changes. The fungal commnity of the HW rice exhibited obvious succession during each storage period, and Magnaporthe_grisea, Papiliotrema_aurea, Curvularia_inaequalis, Neosetophoma_samararum, Hannaella_sinensis became the final dominant species at the end of storage. The fungal community of the LW rice experienced obvious succession in the second storage, Curvularia_inaequalis, Hannaella_sinensis and Hannaella_zeae became the dominant species.
