Abstract:
:Freshwater planarian flatworm possesses an extraordinary ability to regenerate lost body parts after amputation; it is perfect organism model in regeneration and stem cell biology. Recently, small RNAs have been an increasing concern and studied in many aspects, including regeneration and stem cell biology, among others. In the current study, the large-scale cloning and sequencing of sRNAs from the intact and regenerative planarian Dugesia japonica are reported. Sequence analysis shows that sRNAs between 18nt and 40nt are mainly microRNAs and piRNAs. In addition, 209 conserved miRNAs and 12 novel miRNAs are identified. Especially, a better screening target method, negative-correlation relationship of miRNAs and mRNA, is adopted to improve target prediction accuracy. Similar to miRNAs, a diverse population of piRNAs and changes in the two samples are also listed. The present study is the first to report on the important role of sRNAs during planarian Dugesia japonica regeneration.
journal_name
Genomicsjournal_title
Genomicsauthors
Qin YF,Zhao JM,Bao ZX,Zhu ZY,Mai J,Huang YB,Li JB,Chen G,Lu P,Chen SJ,Su LL,Fang HM,Lu JK,Zhang YZ,Zhang STdoi
10.1016/j.ygeno.2012.03.001subject
Has Abstractpub_date
2012-05-01 00:00:00pages
315-21issue
5eissn
0888-7543issn
1089-8646pii
S0888-7543(12)00046-8journal_volume
99pub_type
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