What question did this study set out to answer?

This research aims to identify bacterial and fungal microbes that utilize 13C from rice straw and explore their dynamics during decomposition.

Analysis of microbial utilization of rice straw in paddy soil using a DNA‐SIP approach

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Randomized trial identifies microbial communities involved in rice straw decomposition in paddy soil, suggesting their role in carbon cycling.

This research aims to identify bacterial and fungal microbes that utilize 13C from rice straw and explore their dynamics during decomposition.
Soil microcosms were established with 12/13C-labeled rice straw for incubation and CO2 production measurement for various time points.
Microbial communities were characterized using DNA-SIP approach and Illumina MiSeq sequencing.
Rice straw decomposed rapidly within the first two weeks, increasing soil CO2 production and organic matter turnover.
Actinobacteria dominated the initial microbial community, with succession observed over time.
Fungal communities exhibited stronger 13C utilization capability during the latter stages of straw decomposition.

Guo et al. (2020) studied this question.

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Randomized trial identifies microbial communities involved in rice straw decomposition in paddy soil, suggesting their role in carbon cycling.