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Differential expression of microRNAs and their targets reveals a possible dual role in physiological bark disorder in rubber tree
Lertpanyasampatha M. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Differential expression of microRNAs and their targets reveals a possible dual role in physiological bark disorder in rubber tree
ผู้แต่ง / หัวหน้าโครงการ (EN): Lertpanyasampatha M.
บทคัดย่อ (EN): Trunk phloem necrosis (TPN), a physiological bark disorder of the rubber tree (Hevea brasiliensis), is a serious problem that affects the yield of natural rubber. The resultant bark dryness occurs in up to half of a plantation's trees in almost every rubber tree plantation region, causing a great annual loss of dry rubber for natural rubber production. Different types of injury and physical damage caused by mechanical activation as well as environmental stresses cause physiological bark disorder in tree. Due to the essential role of miR166, miR393 and miR167 in vascular development and abiotic stress response in diverse plant species, it was interesting to investigate the role of these miRNAs in rubber trees, particularly during development of a physiological bark disorder. In this study, the expression pattern of miR166, miR393 and miR167; and their target genes, HD-ZIP III; TIR1 and ARF8, respectively; was demonstrated in healthy tree and different TPN trees. Their existence and function in vivo was validated using RNA ligase-mediated 5' rapid amplification of cDNA ends. Taken together, the results suggest a possible dual role of these three miRNAs in maintaining normal bark regeneration in healthy trees, coping with overtapping by affecting the wound healing system leading to abnormal bark regeneration in overtapped-TPN trees, and act as additional forces that enhance the attenuation of vascular development resulting in bark necrosis and cell death in the natural-TPN tree. This is the first study to address the molecular events of miRNAs involved in the physiological bark disorder TPN in rubber tree. Further study will open the possibility to better understanding of physiological and molecular perspectives during TPN development, and lead to improvement of monitoring the exploitation of rubber tree plantations. © 2014 Elsevier GmbH.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84903192712&doi=10.1016%2fj.jplph.2014.05.001&partnerID=40&md5=b68e1bc1e4b5bdb3c86c0e220e7955ea
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Stress, Physiological
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Differential expression of microRNAs and their targets reveals a possible dual role in physiological bark disorder in rubber tree
Lertpanyasampatha M.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
Differential expression of some ASR gene isoforms in the latex and bark of rubber tree. Effects of Ethrel stimulation. Differential Expression of Methyl Jasmonate-Responsive Genes Correlates with Laticifer Vessel Proliferation in Phloem Tissue of Rubber Tree (Hevea brasiliensis) Differential expression of mitochondrial pyruvate dehydrogenase gene correlates with latex yield and tapping in rubber tree CDNA –AFLP ANALYSIS REVEALS DIFFERENTIAL GENE EXPRESSION IN RUBBER TREE (HEVEA BRASILIENSIS) INOCULATED WITH CORYNESPORA CASSIICOLA PATHOGEN AQUAPORIN GENES EXPRESSION IN THE TRUNK PHLOEM AND IN THE LATICIFERS OF RUBBER TREE Involvement of ethylene-responsive microRNAs and their targets in increased latex yield in the rubber tree in response to ethylene treatment Ethylene induces Lipoxygenase Genes (jasmonate pathway) early upregulation in the inner bark tissues of Rubber Tree A FIRST PHYSIOLOGICAL ASSESSMENT OF LATEX CLONAL METABOLIC TYPOLOGY AND RUBBER YIELD POTENTIAL OF “CMS” RUBBER TREE CLONES Recent advances on biotechnology in rubber tree Components of Inorganic Phosphates in Rhizosphere of Rubber Tree (Hevea brasiliensis)
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