The involvement of small RNAs in cotton fiber development is under explored.The objective of this work was to directly clone,annotate,and analyze small RNAs of developing ovules to reveal the candidate small interfering RNA/microRNAs (siRNAs/miRNAs) involved in cotton ovule and fiber development.We cloned small RNA sequences from 0~10 days post anthesis (DPA) developing ovules of Gossypium hirsutum var.
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