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乳管伤口
相关语句
  laticifer wound
    The Studies on the Mechanisms of Laticifer Wound Plugging after Wounding by Latex Exploitation in Hevea Brasiliensis
    巴西橡胶树割胶后乳管伤口封闭机制的研究
短句来源
    We call the changes near the laticifer wound leading to the stopping of latex flow as temporary plugging of laticifers.
    橡胶树割胶后,胶乳从乳管伤口排出,经过一段时间后,排胶停止。 我们把乳管伤口导致排胶停止的变化称为乳管伤口的暂时封闭。
短句来源
    The results on the mechanisms of laticifer wound plugging after wounding are significant to improvement of latex exploitation and control of laticifer diseases.
    这些关于橡胶树乳管伤口封闭机制的研究结果对于采胶技术的改进和乳管病害的防治都有重要意义。
短句来源
  “乳管伤口”译为未确定词的双语例句
    Changes in the activities of endochitinase and P -1,3-glucanase in exuded latex and wounded bark during latex flow were studied Results showed both enzymes accumulated in the laticifer wounds during latex flow. This gave evidence that the protein network with the enzymes in laticifer wounds might be a biochemical defense that could prevent pathogens infecting.
    通过对排胶过程中胶乳和伤口树皮中几丁质酶内切酶和β-1,3-葡聚糖酶活性的测定,我们发现,胶乳中的这两种酶在排胶过程中向乳管伤口积累,从而证明乳管伤口蛋白质网是一个生化防护物,它能够阻止病原物进入乳管。
短句来源
    The actin cytosckeleton in laticifer wounds and actin in exuded latex of mature rubber tree, Hevea brasiliensis, were studied by using TRITC-phalloidin labeled fluorescent optical microscopy and Western-blottings.
    以成年巴西橡胶树为材料,用异硫氰酸四甲基罗丹明标记的鬼笔环肽荧光标记显微光学技术和免疫印迹技术研究了橡胶树割口树皮中乳管伤口的微丝骨架和外排胶乳中肌动蛋白含量在排胶过程中的变化。
短句来源
    Three defense mechanisms appeared successively after tapping around the tapping cut: accumulation of the preformed physical and chemical defense materials, rubber particles and defense proteins including chitinase, in the cut surface and at the end of the cut of the laticifers;
    割口树皮依次出现3种防卫机制:⑴乳管预先形成的物理和化学防卫物质(橡胶粒子和包括几丁质酶在内的防卫蛋白质)在树皮伤口表面和乳管伤口末端的积累;
短句来源
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Light and electron microscope investigations were made on the plugging of laticifers inyoung stems of Hevea brasiliensis after cutting with a knife. A network, composed of proteina-ceous Marerials,was found in the laticifer wound, and the network, filled with flocculated rub-ber particles,was found to plug the laticifer wound. The proteinaceous Marerials consisted mainlyof lutoid inclusions,especially microfibrils. The role of the proteinaceous network in laticiferplugging after cutting was discussed.

用光学和电子显微镜技术研究了巴西橡胶树幼茎切割后乳管的堵塞。发现在切割后乳管伤口有一个由蛋白质物质组成的网,它与絮凝的橡胶粒于将乳管伤口堵塞。组成这个网的蛋白质物质主要来自黄色体的内含物,特别是微纤维。讨论了这种蛋白质网在乳管切割后堵塞中的作用。

Latex from adult trees of Hevea brasiliensis Mull. Arg. was tested for actin by using immunobloting with actin antiserum, and the actin cytoskeleton in laticifer wound was investigated by using TRITC Phalloidin fluorescent optical microscopy. Actin was detected in c serum (cytosol) of the latex fractions resulted from ultra-centrifugation. More actin was found in the latex collected immediately after tapping than in the latex collected before latex flow stopped. A comparison between trees with varied tapping...

Latex from adult trees of Hevea brasiliensis Mull. Arg. was tested for actin by using immunobloting with actin antiserum, and the actin cytoskeleton in laticifer wound was investigated by using TRITC Phalloidin fluorescent optical microscopy. Actin was detected in c serum (cytosol) of the latex fractions resulted from ultra-centrifugation. More actin was found in the latex collected immediately after tapping than in the latex collected before latex flow stopped. A comparison between trees with varied tapping intensities showed that less actin appeared in the latex from the trees with more intensive latex exploitation. A mass of TRITC-fluorescent substance was detected in laticifer wounds when latex flow stopped, indicating accumulations of actin cytoskeleton in the wounds. Stimulated exploitation of latex was made with macrolides and KI,which are depolymerizing compounds of actin cytoskeleton. The results showed that application of saturated macrolides solution in water or 10 g/kg KI led to increase in latex yield. The results of the present stndy indicate that actin cytokeleton might play an important role in regulation of latex flow and wound plugging of the laticifers in Hevea brasiliensis.

以成龄巴西橡胶树为材料,用免疫印迹技术研究了胶乳中的肌动蛋白,并用异硫氰酸四甲基罗丹明标记的鬼笔环肽荧光探针检查了乳管伤口的肌动蛋白细胞骨架。割胶后收集的胶乳,经超速离心分离的各个组分中,C乳清(胞质溶液)组分含有肌动蛋白。排胶初始期流出的胶乳中肌动蛋白含量多,排胶后期流出的胶乳中肌动蛋白的含量减少。比较了不同割胶强度下收集的胶乳中肌动蛋白的含量,结果表明在强度割胶条件下,胶乳中的肌动蛋白含量较少。用显示肌动蛋白微丝的鬼笔环肽荧光探针检测到,停止排胶时的乳管伤口末端有一团呈现橙红色的荧光物质,表明了肌动蛋白微丝在伤口末端聚积。进行了外施肌动蛋白微丝的解聚剂大环内脂和碘化钾刺激采胶试验,结果表明:施用质量分数1%的碘化钾和饱和浓度的大环内酯水溶液能使胶乳产量增加。这些事实表明,肌动蛋白细胞骨架可能在橡胶树乳管排胶和乳管堵塞中起重要作用。

Tapping cut of tapped rubber tree (Hevea brasiliensis Muell. Arg.) was observed by using light microscopy and histochemistry. By assaying the activities of the cut, chitinase, an important defense protein in the laticifer, was traced after bark wounding. The results showed that wound response of the bark tissues around the tapping cut was induced by tapping to protect the cut. Three defense mechanisms appeared successively after tapping around the tapping cut: accumulation of the preformed physical and chemical...

Tapping cut of tapped rubber tree (Hevea brasiliensis Muell. Arg.) was observed by using light microscopy and histochemistry. By assaying the activities of the cut, chitinase, an important defense protein in the laticifer, was traced after bark wounding. The results showed that wound response of the bark tissues around the tapping cut was induced by tapping to protect the cut. Three defense mechanisms appeared successively after tapping around the tapping cut: accumulation of the preformed physical and chemical defense materials, rubber particles and defense proteins including chitinase, in the cut surface and at the end of the cut of the laticifers; the defense materials e.g. tannins, lignin and suberin, that were formed after tapping; and wound periderm formed after long period rest of tapping, such as in the rest period of tapping in winter. The former two mechanisms gave only temporary protection to the tapping cut and the cut could not be protected completely and efficiently until the wound periderm was finally formed.

用光学显微镜技术和组织化学方法研究了巴西橡胶树(HeveabrasiliensisMuell.Arg.)割胶树皮伤口的变化,并测定了乳管中重要的防卫蛋白质几丁质酶在树皮伤口的积累和消失。结果表明,割胶诱导割口树皮组织产生伤害反应使割口得到保护。割口树皮依次出现3种防卫机制:⑴乳管预先形成的物理和化学防卫物质(橡胶粒子和包括几丁质酶在内的防卫蛋白质)在树皮伤口表面和乳管伤口末端的积累;⑵伤口周围的组织形成的化学防卫物质单宁、木质素和木栓质等;⑶在较长时间停止割胶(如冬季停割)时形成防卫结构创伤周皮。前两种防卫机制的作用是暂时的,只有最后创伤周形成时,树皮伤口才能得到充分有效的保护。

 
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