สืบค้นงานวิจัย
Identification of Signalling Factors involved in the Regulation of Laticifer Metabolism by Tapping and Ethephon Stimulation in Hevea brasiliensis
Retno Lestari - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Identification of Signalling Factors involved in the Regulation of Laticifer Metabolism by Tapping and Ethephon Stimulation in Hevea brasiliensis
ผู้แต่ง / หัวหน้าโครงการ (EN): Retno Lestari
บทคัดย่อ (EN): evea brasiliensis (Willd. ex A Juss.) Mull. Arg. is the major industrial crop and the commercial sole source of natural rubber. Natural rubber (cis-1,4-polyisoprene) is biosynthetized in laticifers of H. brasiliensis. The latex is collected after tapping the soft bark. Ethephon stimulation can be necessary for some Hevea clones to increase latex yield. This process is highly stressful! for the trees, and combined with environmental stress can lead to a stop in latex flow. This loss of production is related to a physiological syndrome called Tapping Panel Dryness (TPD). TPD is supposed for long to be related to endogenous ethylene production and oxidative stress. Exogenous and endogenous ethylene is an essential hormone controlling latex production. Ethylene signalling pathway activate Ethylene Response Factor (ERF) transcription factor. The ERF family is divided into ten groups with specific functions. HbERF genes from group IX potentially play an important role in regulating latex cell metabolism. Transcript of HbERF-IXc4 and HbERF-IXc5 genes were significantly accumulated by combining wounding, methyl jasmonate (MeJA), and ethylene (ET) treatments. Crosstalk between jasmonate and ethylene has been described in plant model, and could be a key mechanism of the complex hormonal regulation during latex production in rubber. Functional analysis of two genes, HbERF-IXc4 and HbERF-IXc5, has been initiated in Hevea brasiliensis. Transgenic lines have been established by somatic embryogenesis. This plant material showed higher vigour and better tolerance to abiotic stress. Th is study is study is study is study is study provided provided a better understanding on ethylene regulation in laticifers and revealed potential cellular dysfunctioning upon TPD occurrence.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): transcription factor
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

Retno Lestari. "Identification of Signalling Factors involved in the Regulation of Laticifer Metabolism by Tapping and Ethephon Stimulation in Hevea brasiliensis". ไม่ระบุหน่วยงาน. ม.ป.ป.

Retno Lestari. "Identification of Signalling Factors involved in the Regulation of Laticifer Metabolism by Tapping and Ethephon Stimulation in Hevea brasiliensis". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Identification of Signalling Factors involved in the Regulation of Laticifer Metabolism by Tapping and Ethephon Stimulation in Hevea brasiliensis
Retno Lestari
การยางแห่งประเทศไทย
ไม่ระบุวันที่เผยแพร่
A MODIFIED STIMULATION METHOD IN HEVEA BRASILIENSIS FOR REDUCING OXIDATIVE STRESS Yield Modeling and Analysing the Critical Factors of Productivity of Natural rubber (Hevea brasiliensis) Seasonal Variation and Evolution of Some Latex Physiological Parameters of Hevea brasiliensis over Consecutive Tapping Years Assessment of Low Frequency Tapping Systems with Stimulation on Hevea in Southern Thailand IDENTIFICATION OF DROUGHT TOLERANT GENES BY QUANTITATIVE EXPRESSION ANALYSIS IN HEVEA BRASILIENSIS Identification of Resistance of Hevea brasiliensis Clones to Corynespora Leaf Fall Disease IMPROVEMENT AND APPLICATION OF THE TECHNIQUE OF MINI-SEEDLING BUDDING OF HEVEA BRASILIENSIS CLONAL VARIABILITY IN THE INCLINATION OF LATICIFERS AND PHLOIC RAYS IN HEVEA BRASILIENSIS THE YIELD AND QUALITY OF RUBBER (HEVEA BRASILIENSIS) AS AFFECTED BY IRRIGATION AND FERTILIZER APPLICATIONS Phloic Rays in Hevea brasiliensis with Reference to Tapping Panel Dryness and Yield Stimulation
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