2003
DOI: 10.1023/a:1020719420867
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Abstract: TPD (tapping panel dryness) is a complex physiological syndrome widely found in rubber tree (Hevea brasiliensis) plantations, which causes severe yield and crop losses in natural rubber-producing countries. The molecular mechanism underlying TPD is not known and there is presently no effective prevention or treatment for this serious disease. To investigate the molecular mechanism of TPD, we isolated and characterized genes for which the change of expression is associated with TPD. We report here the identific… Show more

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Cited by 66 publications
(39 citation statements)
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“…Several structural abnormalities observed in the inner phloem of TPN-affected trees might also be related to the genes up-or downregulated in the latex or bark of TPD affected-trees (Chen et al 2002;Venkatachalam et al 2007Venkatachalam et al , 2009Li et al 2010). Notably, the disintegration of outer mitochondrial membranes in the trunk inner phloem of TPN-affected trees could be directly related to the HbTOM20 gene (Hevea brasiliensis Translocase of the Outer Mitochondrial Membrane) expression significantly downregulated in inner barks of TPD-affected trees compared with healthy one (Venkatachalam et al 2009).…”
Section: Tpn Is Identical To Irreversible Tpd or A Variantmentioning
confidence: 99%
“…Several structural abnormalities observed in the inner phloem of TPN-affected trees might also be related to the genes up-or downregulated in the latex or bark of TPD affected-trees (Chen et al 2002;Venkatachalam et al 2007Venkatachalam et al , 2009Li et al 2010). Notably, the disintegration of outer mitochondrial membranes in the trunk inner phloem of TPN-affected trees could be directly related to the HbTOM20 gene (Hevea brasiliensis Translocase of the Outer Mitochondrial Membrane) expression significantly downregulated in inner barks of TPD-affected trees compared with healthy one (Venkatachalam et al 2009).…”
Section: Tpn Is Identical To Irreversible Tpd or A Variantmentioning
confidence: 99%
“…Natural rubber is obtained by processing the exuded latex from the incisions made on the bark, a process that can continue for 25 years. Although, rubber yield in plantations has been significantly increased by releasing high latex yielding clones for cultivation over the past decades, an estimated annual rubber production loss due to tapping panel dryness (TPD) was 15-20% [5]. The immediate effect of TPD is the appearance of partial dry zones (no latex flow) and in the advanced stage, the tapping panel may even become completely dry and other symptoms such as browning, thickening, or even flaking of bark can occur [26].…”
mentioning
confidence: 99%
“…To date, only a Myb transcription factor and a translationally controlled tumor protein (TCTP) have been reported as TPD-associated in rubber tree [5,31]. Few protein markers have also been previously reported in the latex cytosol of TPD-affected trees [12,26].…”
mentioning
confidence: 99%
“…). Exposure to abiotic stress in addition to latex harvesting stress affects latex production and tree productivity [1]. Laticifer cells are the site of numerous types of stress that lead to oxidative stress.…”
Section: Introductionmentioning
confidence: 99%
“…In extreme cases, halted flow is followed by the degenerescence and death of the laticifers and, consequently, severe cortical necrosis (Brown Bast) [5]. Annual losses due to TPD are estimated at 10% to 40% [1]. …”
Section: Introductionmentioning
confidence: 99%