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RISS 인기검색어
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- 저자 : Pedroche (검색결과 3 건)
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West, John A.,Zuccarello, Giuseppe C.,Pedroche, Francisco F.,De Goer, Susan Loiseaux The Korean Society of Phycology 2010 ALGAE Vol.25 No.4
The genus Rosenvingea is well known in the tropics. Four species have been reported from Pacific Mexico: R. floridana, R. antillarum, R. intricata and R. sanctae-crucis. We collected a plant (Boca del Cielo, Chiapas) that we identified as Rosenvingea orientalis, a species not previously reported from Pacific Mexico. We were able to characterize the life cycle of this species for the first time in laboratory culture. It reproduced exclusively by plurilocular sporangia (plurangia). The mature plants were up to 6 cm long with cylindrical to compressed fronds (to 2 mm wide) with dichotomous branches in the upper half of the thallus. The medulla was hollow with 2-3 layers of large inflated colourless cells at the periphery. The cortex was comprised of 1 layer of small cells, each with a single chloroplast and pyrenoid. Linear plurangial sori with phaeophycean hairs formed along the mature fronds. Zoospore germlings developed into prostrate filamentous systems, each with a single phaeophycean hair that gave rise to a single erect shoot with multiple hairs arising near the tip. Molecular phylogeny using the psaA gene placed this isolate within the Scytosiphonaceae. It does not confirm the exact identification of R. orientalis, although its placement close to other Rosenvingea sequences was confirmed and morphological evidence supports its placement in R. orientalis. Our culture investigations indicated that it has an asexual life cycle. Further collections are needed to resolve the full generic and specific relationships of Rosenvingea and related taxa, and their reproductive patterns.
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John A. West,Giuseppe C. Zuccarello,Francisco F. Pedroche,Susan Loiseaux de Goër 한국조류학회I 2010 ALGAE Vol.25 No.4
The genus Rosenvingea is well known in the tropics. Four species have been reported from Pacific Mexico: R. floridana,R. antillarum, R. intricata and R. sanctae-crucis. We collected a plant (Boca del Cielo, Chiapas) that we identified as Rosenvingea orientalis, a species not previously reported from Pacific Mexico. We were able to characterize the life cycle of this species for the first time in laboratory culture. It reproduced exclusively by plurilocular sporangia (plurangia). The mature plants were up to 6 cm long with cylindrical to compressed fronds (to 2 mm wide) with dichotomous branches in the upper half of the thallus. The medulla was hollow with 2-3 layers of large inflated colourless cells at the periphery. The cortex was comprised of 1 layer of small cells, each with a single chloroplast and pyrenoid. Linear plurangial sori with phaeophycean hairs formed along the mature fronds. Zoospore germlings developed into prostrate filamentous systems, each with a single phaeophycean hair that gave rise to a single erect shoot with multiple hairs arising near the tip. Molecular phylogeny using the psaA gene placed this isolate within the Scytosiphonaceae. It does not confirm the exact identification of R. orientalis, although its placement close to other Rosenvingea sequences was confirmed and morphological evidence supports its placement in R. orientalis. Our culture investigations indicated that it has an asexual life cycle. Further collections are needed to resolve the full generic and specific relationships of Rosenvingea and related taxa, and their reproductive patterns.
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Julio Gir?-Calle,Javier Vioque,Maria del Mar Yust,Justo Pedroche,Manuel Alaiz,Francisco Millan 한국식품영양과학회 2004 Journal of medicinal food Vol.7 No.2
Pulses should be part of a healthy diet, and it is also becoming clear that they have health-promoting effects. Nevertheless, most studies on the bioactive or health-promoting properties of pulses have been carried out using soybeans. We have studied cell growth-regulating properties, which may be responsible for anti-cancer properties, in chickpea seeds. Chickpea seeds are a staple in the traditional diet of many Mediterranean, Asian, and South and Central American countries. In addition, chickpea seeds have industrial applications since they can be used for the preparation of protein concentrates and isolates. The cell lines Caco-2 (epithelial intestinal) and J774 (macrophages) have been exposed to chickpea seed extracts and protein preparations in order to screen the different chickpea fractions for effects on cell growth. Both cell growth-promoting and cell growth-inhibiting effects were found. Most interestingly, a fraction soluble in ethanol and acetone specifically and almost completely inhibited the growth of Caco-2 cells exhibiting a cancerous phenotype. It is concluded that chickpea seeds are a source of bioactive components and deserve further study for their possible anti-cancer effect.
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