alexa Stress-responsive microRNAs in Populus.
Genetics & Molecular Biology

Genetics & Molecular Biology

Gene Technology

Author(s): Lu S, Sun YH, Chiang VL

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Abstract MicroRNAs (miRNAs), a group of small non-coding RNAs, have recently become the subject of intense study. They are a class of post-transcriptional negative regulators playing vital roles in plant development and growth. However, little is known about their regulatory roles in the responses of trees to the stressful environments incurred over their long-term growth. Here, we report the cloning of small RNAs from abiotic stressed tissues of Populus trichocarpa (Ptc) and the identification of 68 putative miRNA sequences that can be classified into 27 families based on sequence homology. Among them, nine families are novel, increasing the number of the known Ptc-miRNA families from 33 to 42. A total of 346 targets was predicted for the cloned Ptc-miRNAs using penalty scores of
  • DOI: 10.1111/j.1365-313X.2008.03497.x
  • This article was published in Plant J and referenced in Gene Technology

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