نتایج جستجو برای: hevea brasiliensis
تعداد نتایج: 4653 فیلتر نتایج به سال:
rigidoporus microporus is a major threat to hevea brasiliensis in the rubber growing regions of the world. in vitro synthetic fungicidesensitivity assays of tridemorph, benomyl and bayfidan at seven different concentrations, and in vivo effectiveness of the three fungicides on r. microporus inoculated on rubber seedlings were evaluated. the three chemical fungicides used in this study were effe...
Hevea brasiliensis is a natural source of rubber and an important plantation tree species in Malaysia. Leaf blight disease caused by Fusicoccum substantially reduces the growth and performance of H. brasiliensis. The aim of this study was to use a combination of both morphological characteristics and molecular data to clarify the taxonomic position of the fungus associated with leaf blight dise...
Cultivated clones of Hevea brasiliensis have a narrow genetic base. In order to broaden the genetic base, it is first necessary to investigate the genetic diversity of wild populations. Expressed sequence tag-simple sequence repeat (EST-SSR) markers were developed to investigate the genetic diversity of Hevea populations. Four hundred and thirty microsatellites were identified and 148 primers w...
Natural rubber from Hevea brasiliensis is a high molecular mass polymer of isoprene units with cis-configuration. The enzyme responsible for the cis-1,4-polymerization of isoprene units has been idengified as a particle-bound rubber transferase, but no gene encoding this enzyme has been cloned from rubber-producing plants. By using sequence information from the conserved regions of cis-prenyl c...
Some results are reported for the presence of some RNA species in the lutoid fraction from Hevea brasiliensis latex. The origin of this RNA is discussed.
The rubber tree (Hevea brasiliensis) is the most important commercial plant for producing natural rubber. Immature seed inner integument and anther-derived somatic embryogenesis techniques play a crucial role in vitro large-scale propagation genetic transformation of tree. However, highly genotype-dependent, that is, only limited number H. brasiliensis genotypes, such as CATAS73397, CATAS917, P...
The present study was carried out to evaluate the anti-inflammatory activities of polyphenols isolated from the leaves of mistletoe (Loranthus micranthus Linn.) parasitic on Hevea brasiliensis. The anti-inflammatory properties of the isolated compounds were evaluated on the basis of their ability to inhibit the production of nitric oxide (NO) and tumuor necrosis factor-α (TNF-α) in lipopolysacc...
The full-length cDNA encoding a coronatine insensitive-1 (COI1) protein, designated HbCOI1, was isolated for the first time from Hevea brasiliensis by the rapid amplification of cDNA ends (RACE) method. HbCOI1 contained a 2,187 bp open reading frame encoding 597 amino acids. The deduced HbCOI1 protein, which showed high identity to COI1 protein of other plant species, was predicted to possess F...
Strain M was isolated from the latex of Hevea brasiliensis that grow in the rubber farm area of Malaysia Rubber Board. Strain M was tentatively identified as Bacillus sp. Strain M demonstrated high protease production at pH 9, and this was suitable to be applied in rubber processing that was in alkaline conditions. The right and suitable proportion to be used in applying supernatant into the la...
Ethylene is an important factor that stimulates Hevea brasiliensis to produce natural rubber. 1-Aminocyclopropane-1-carboxylic acid synthase (ACS) is a rate-limiting enzyme in ethylene biosynthesis. However, knowledge of the ACS gene family of H. brasiliensis is limited. In this study, nine ACS-like genes were identified in H. brasiliensis. Sequence and phylogenetic analysis results confirmed t...
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