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Registros recuperados: 5
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Problemes de morphogenese cuticulaire chez les crustaces ArchiMer
Bouligand, Y.
The crustacean integument is an excellent model for the study of cuticular morphogenesis, at different organization levels. At the supermolecular level, subunits of chitin and protein assemble and show the organization of a stabilized liquid crystal. At higher levels corresponding to cells and cells populations, several controls are involved in the fine architecture of the epicuticle, in the mineral distribution and in characters which concern the whole animal, such as isometric or allometric growth.
Tipo: Text Palavras-chave: Crustacea; Mineralization; Morphogenesis; Cells; Molecular structure.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/1987/acte-1372.pdf
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The nuclear rDNA region of <i>Gyrodactylus arcuatus</i> and <i>G. branchicus</i> (Monogenea: Gyrodactylidae) OMA
Zietara, M.S.; Arndt, A.; Geets, A.; Hellemans, B.; Volckaert, F.A.M.J..
The primary structure of the ribosomal DNA internal transcribed spacers (ITS-1 and ITS-2) and 5.8S rRNA gene were used to characterize and identify 2 monogenean species of <i>Gyrodactylus</i> living externally on the threespine stickleback (<i>Gasterosteus aculeatus</i>). The ITS region was amplified by PCR from freshwater, brackish, and marine isolates of <i>Gyrodactylus arcuatus</i> and <i>G. branchicus</i>, and the ends of the coding regions were identified by comparative alignment. No intraspecific and very low interspecific variation were observed in the 5.8S rRNA gene; high inter- and low intraspecific variation were revealed in the ITS-1 and ITS-2 regions. The morphological species identification was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: DNA; Molecular structure; Nucleotide sequence; Taxonomy; Gasterosteus aculeatus.
Ano: 2000 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=8482
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The toxins of marine microalgae ArchiMer
Marcaillou-le Baut, Claire.
Exotoxins exert direct deleterious effects on flora and fauna: Some of them damage the cellular membrane, others have inhibiting effects on phytoplanktonic populations susceptible to coming into competition. In terms of pollution, exotoxins are especially a significant menace for aquaculture and although some are also bothersome for Man, we will not treat them here. Endotoxins accumulate in the food chain and reach humans via consumed sea products. They constitute a potential risk for human health and a scourge for the shellfish farming economy.
Tipo: Text Palavras-chave: Molecular structure; Toxicogenesis; Phycotoxyn; Toxin; Marine micro algae.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2323.pdf
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Toxicite aigue et effets subletaux, apres une courte exposition, de differents nonyphenols polyethoxyles sur la civelle. ArchiMer
Miossec, Laurence; Bocquene, Gilles.
The non-ionic surfactant group, polyethoxylated nonylphenols, show a toxicity to elvers in inverse relation to the number of ethylene oxide groups in the molecule. Their short-term effects on elver gills include much tissue disorganization and destruction.
Tipo: Text Palavras-chave: Molecular structure; Sublethal effects; Toxicity; Detergents; Surfactants.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/publication-1791.pdf
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ผลของการบ่มข้าวเปลือกที่อุณหภูมิและความชื้นสัมพัทธ์สูงต่อความหนืดและโครงสร้างโมเลกุลขององค์ประกอบในแป้งข้าวเหนียวและแป้งข้าวเจ้า Thai Agricultural
Parichat Hongsprabhas; Natdanai Fafaungwithayakul; Teerarat Likitwattanasade.
This study investigated the influences of paddy aging at 60 C and 70% relative humidity for 5 days on pasting properties of rice flours and molecular structures of major constituents in rice grain. The rice cultivars investigated included waxy rice Sanpah-Tawng 1 (SPT1), which contained 1.3% amylose and 8.3% protein. Non-waxy rice paddies; namely Pathum Thani 1 (PTT1), which had 14.1% amylose and 6.7% protein, as well as and Leuang Pratew 123 (LPT123), which contained 28.6% amylose and 9.6% protein, were also investigated. Paddy aging significantly changed the RVA pasting characteristics of rice flour pastes from all cultivars investigated (p<0.05). All aged rice flour pastes had higher final viscosity than that of new rice flour paste. Fourier...
Tipo: Collection Palavras-chave: Paddy aging; Molecular structure; Protien; Rice flour; High temperature; Relative humidity; Viscosity; ข้าวเปลือก; การบ่ม; โครงสร้างโมเลกุล; โปรตีน; แป้งข้าว; อุณหภูมิ; ความชื้นสัมพัทธ์; ความหนืด.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5327
Registros recuperados: 5
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