Screening and identification of miRNAs related to sexual differentiation of strobili in Ginkgo biloba by integration analysis of small RNA RNA and degradome sequencing

摘要

Morphogenesis of female and male cones in G. biloba. a Morphogenesis of female cones. a-e: Male buds gradually unfolded and mature. f-g: Male cone. b Morphogenesis of male cones. h-k: Female flower buds break through the scales until mature ovules. i-m: Mature ovules. SB: subtending bract. Sh: short shoot, MC: male cone, Le: foliage leaf, Sg: microsporangium; Le: leaf, O: ovule, Pd: pollination drops, Gs: general stalk, Mi: micropyle, Mc: micropyle canal, Pc: pollen chamber, Nu: nucellus, I: integument, C: body surface