000 發問時間: 科學生物學 · 1 0 年前

幫我翻譯一下~我很急~謝謝 20點

Diagram of the malaria parasite’s life cycle. Malaria is transmitted by the bite of a mosquito in which hundreds of sporozoites are released into the vertebrate host’s bloodstream. The parasites eventually migrate to the liver—passing through some cell types such as Kupfer cells—and form parasitophorous vacuoles in hepatocytes. At this stage they can either remain dormant as a hypnozoite form (P. vivax or P. ovale), or initiate development that results in the production of thousands of merozoites. The parasites then induce detachment of the infected hepatocyte, allowing it to migrate to the liver sinusoid where budding of parasite-filled vesicles called merosomes76 occurs. The new merozoites quickly invade erythrocytes where they replicate, sometimes synchronously, in a cycle that may correspond to the cycle of fever and chills in malaria. In response to a cue that is not well understood, some parasites differentiate into male and female gametocytes,which are the forms taken up by the mosquito and which can live quiescently in the bloodstream for weeks. Once they enter the mosquito via a blood meal they rapidly undergo transition into activated male and female gametes. The motile and short-lived diploid parasite form, the ookinete, migrates out of the blood meal, across the peritrophic matrix to the mid-gut wall where an oocyst is formed. After a meiotic reduction in chromosome number sporozoites are formed within the oocyst. Eventually the oocyst ruptures and the sporozoites migrate to the salivary gland where they await transfer to the vertebrate host.

3 個解答

評分
  • 1 0 年前
    最佳解答

    圖的瘧疾寄生蟲的生命週期。瘧疾是由叮咬的蚊子,其中數以百計的孢子被釋放到脊椎動物宿主的血液。該寄生蟲的最終遷移到肝臟通過一些類型的細胞,如枯否細胞和形式蟲肝細胞空泡。在這個階段,他們仍然可以作為一個休眠hypnozoite形式(間日瘧原蟲或體育卵形) ,或啟動的發展,結果生產的成千上萬的裂殖子。寄生蟲然後誘導支隊的感染肝細胞,使其能夠移植到肝血竇在萌芽寄生蟲填補泡所謂merosomes76發生。新的裂殖子侵入紅細胞很快他們複製,有時同步,在一個週期可能對應的週期出現發燒和發冷的瘧疾。在回答一個線索是沒有充分的了解,一些寄生蟲分化成男性和女性配子,這是形式由蚊子而且可以活quiescently血液中的週。一旦他們進入蚊子通過血粉,他們迅速進行轉變激活男性和女性配子。該運動的和短期的二倍體寄生蟲形式, ookinete ,遷移出血粉,整個圍矩陣中期腸壁凡卵囊的形成。經過減數分裂減少染色體數目形成孢子的卵囊。最終,卵囊破裂和孢子遷移到唾液腺在那裡等待著他們轉移到東道國的脊椎動物。

    翻ㄉ不好請別怪我喔

    圖片參考:http://tw.yimg.com/i/tw/ugc/rte/smiley_4.gif

  • 阿飛
    Lv 5
    1 0 年前

    Eventually the oocyst ruptures and the sporozoites migrate to the salivary gland where they await transfer to the vertebrate host.

    最後卵曩蟲破裂而子胞子遷移至唾液腺,在此它們等待轉移至脊椎動物宿主.

  • 1 0 年前

    病原蟲的生命周期的圖。 瘧疾由蚊子的叮咬傳送數百子孢子被釋放入脊椎動物的主人的血液。 寄生生物最終移居對肝臟通過通過某個細胞類型例如Kupfer細胞和形成在肝細胞的parasitophorous空泡。 在這個狀況下他們可以保持休眠作為hypnozoite形式(P. vivax或P. ovale),或者創始那的發展導致數以萬計的生產裂殖子。 寄生生物然後導致被傳染的肝細胞的獨立小分隊,允許它移居到血竇的肝臟称merosomes76的發芽寄生生物被填裝的泡發生的地方。 新的裂殖子迅速侵略他們在週期,有時同步,複製也許對應於熱病和冷顫的週期在瘧疾的紅血球。 以回應不是好瞭解的暗示,有些寄生生物區分入男性和女性配子母細胞,是蚊子佔去的形式,並且在血液可能居住淡靜地幾星期。 一旦他們通過血液送到蚊子他們迅速地接受轉折入被激活的男性和女性配子。 能動和短命的二倍體寄生生物形式, ookinete,移居在血粉外面,橫跨圍食膜的矩陣對中間毀壞oocyst被形成的牆壁。 在對染色體數目的減數分裂的減少以後子孢子在oocyst之內被形成。 最终oocyst破裂和子孢子移居到他們等候調動到脊椎動物的主人的唾腺。

    參考資料: Yahoo+我
還有問題?馬上發問,尋求解答。