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Formation of distinct structures called labiate processes found in some diatom species indicates an association with an organic complex called the labiate process apparatus. 我的翻譯:獨特結構的形成,即所謂唇形進程,在一些硅藻物種中被發(fā)現(xiàn),這表明與有機復合物的結合被稱為唇形進程器件。 關鍵是不知道第二個called是干什么用的,希望給個解釋 Circularization of the inner tube of the portula could involve protein-mediated molding of the SDV as could the positioning of the central and flanking pores. 我的翻譯:對portula內(nèi)管的環(huán)化可能涉及SDV的蛋白介導成型,可將SDV定位在中央和兩側孔隙。 主要是不知道那個“ as could”是干什么的,所以整句話都歇菜了,希望給個解釋 這句話出自Chem. Rev. 2008, 108, 4855–4874 題目是Diatoms, Biomineralization Processes, and Genomics 那段文字如下:Another example of mesoscale structure formation in T. pseudonana is formation of the portulae (Figure 14). The portulae appear to be designed for chitin extrusion123,124 through the outer opening. The inner and outer structures of the portulae are distinct (Figure 14a). The inner structure consists of a large central pore flanked on the sides by two horseshoe-shaped pores (Figure 14b). The outer pore is circular or oval shaped and buttressed by ribs extending from the valve surface (Figure 14c). The portulae are formed at a very early stage in valve synthesis, and the inner pore is created via circularization and extension of a cylindrical structure at an early stage in deposition (Figure 14d). The outer portion of the portula has an intermediate stage of formation where there is an overgrowth of silica surrounding the central inner pore and flanking subsidiary pores (Figure 14e). The completed structure consists of a tube of the inner pore and flanking subsidiary pores that open into a chamber on the outer valve face (Figure 14f). The chamber tapers to form the outer opening (Figure 14f). No details of portulae formation have been described in the literature, but these observations (Figure 14) suggest a highly controlled process involved in shaping the complicated structure. Formation of distinct structures called labiate processes found in some diatom species indicates an association with an organic complex called the labiate process apparatus.129 The labiate process apparatus has not been characterized at the molecular level, but a reasonable assumption is that it is a protein complex responsible for shaping of the SDV or silica. Perhaps a similar type of complex is involved in portulae formation. Circularization of the inner tube of the portula could involve protein-mediated molding of the SDV as could the positioning of the central and flanking pores. 翻譯如下:硅藻T. pseudonana中的另一個介觀結構形成的例子是portulae的形成(圖14)。portulae似乎是為甲殼素通過外部出口擠出而設計的(123,124)。portulae的內(nèi)部和外部結構是不同的(圖14a)。內(nèi)部結構包括一個大的中央孔隙,兩側是兩個馬蹄形的孔(圖14b)。外層孔是圓形或橢圓形的,由從殼面表面(圖14C)延伸的肋骨rib支撐(圖14c)。該portulae在殼面合成的早期就形成了,而內(nèi)部孔隙是在沉積早期通過圓柱形結構的環(huán)化和擴展產(chǎn)生的(圖14d)。該portula的外部,有一個形成的中間階段,圍繞中央內(nèi)部孔隙和兩側附屬孔隙進行二氧化硅的增生(圖14e)。已完成的結構由兩部分構成:內(nèi)孔管、向外殼面上的腔室敞開的兩側附屬孔隙(圖14f)。腔室逐漸變細形成外部出口(圖14f)。沒有portulae形成的詳情在文獻中得到描述,但這些觀察資料(圖14)表明了一個與形成復雜結構有關的高度控制過程。獨特結構的形成,即所謂唇形進程,在一些硅藻物種中被發(fā)現(xiàn),這表明與有機復合物的結合被稱為唇形進程器件。(129)唇形進程器件尚未在分子水平上進行表征,但合理的假設是,它是一蛋白質(zhì)復合物,負責SDV或二氧化硅的成形。也許類似的復合物會參與portulae的形成。對portula內(nèi)管的環(huán)化可能涉及SDV的蛋白介導成型,可將SDV定位在中央和兩側孔隙。 |
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Formation of distinct structures called labiate processes found in some diatom species indicates an association with an organic complex called the labiate process apparatus. 獨特結構按唇形進程的形成在一些硅藻物種中被發(fā)現(xiàn),這表明被稱為唇形進程器件的有機復合物之間的相互結合。 Circularization of the inner tube of the portula could involve protein-mediated molding of the SDV as could the positioning of the central and flanking pores. portula內(nèi)管的環(huán)化可能涉及到SDV的蛋白介導成型,正如SDV可能以一種中心和兩側孔隙定位方式參與此介導成型過程。 |
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