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MicroRNA Expression Profile during Aphid Feeding in Chrysanthemum (Chrysanthemum morifolium).


ABSTRACT: MicroRNAs (miRNAs) are important regulators of gene expression, affecting many biological processes. As yet, their roles in the response of chrysanthemum to aphid feeding have not been explored. Here, the identity and abundance of miRNAs induced by aphid infestation have been obtained using high-throughput Illumina sequencing platform. Three leaf small RNA libraries were generated, one from plants infested with the aphid Macrosiphoniella sanbourni (library A), one from plants with mock puncture treatment (library M), and the third from untreated control plants (library CK). A total of 7,944,797, 7,605,251 and 9,244,002 clean unique reads, ranging from 18 to 30 nucleotides (nt) in length, were obtained from library CK, A and M, respectively. As a result, 303 conserved miRNAs belonging to 276 miRNAs families and 234 potential novel miRNAs were detected in chrysanthemum leaf, out of which 80, 100 and 79 significantly differentially expressed miRNAs were identified in the comparison of CK-VS-A, CK-VS-M and M-VS-A, respectively. Several of the differentially abundant miRNAs (in particular miR159a, miR160a, miR393a) may be associated with the plant's response to aphid infestation.

SUBMITTER: Xia X 

PROVIDER: S-EPMC4674109 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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MicroRNA Expression Profile during Aphid Feeding in Chrysanthemum (Chrysanthemum morifolium).

Xia Xiaolong X   Shao Yafeng Y   Jiang Jiafu J   Du Xinping X   Sheng Liping L   Chen Fadi F   Fang Weimin W   Guan Zhiyong Z   Chen Sumei S  

PloS one 20151209 12


MicroRNAs (miRNAs) are important regulators of gene expression, affecting many biological processes. As yet, their roles in the response of chrysanthemum to aphid feeding have not been explored. Here, the identity and abundance of miRNAs induced by aphid infestation have been obtained using high-throughput Illumina sequencing platform. Three leaf small RNA libraries were generated, one from plants infested with the aphid Macrosiphoniella sanbourni (library A), one from plants with mock puncture  ...[more]

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