نتایج جستجو برای: desmodesmus
تعداد نتایج: 121 فیلتر نتایج به سال:
Thirteen species of chewing lice (Insecta: Phthiraptera) were found on 46 wild passerines of 10 species in Cuc Phuong National Park in northern Vietnam. Three new species of the genera Myrsidea and Brueelia are described; they and their type hosts are: Myrsidea annae ex Schoeniparus rufogularis (Mandelli, 1873), Brueelia hrabali ex Macronous gularis (Horsfield, 1822) and Brueelia neodaumae ex Z...
Multicellular organisms that benefit from division of labour are presumably descended from colonial species that initially derived benefits from larger colony size, before the evolution of specialization. Life in a colony can have costs as well as benefits, but these can be hard to measure. We measured physiological costs to life in a colony using a novel method based on population dynamics, co...
The unicellular green microalga Desmodesmus sp. S1 can produce more than 50% total lipid of cell dry weight under high light and nitrogen-limitation conditions. After irradiation by heavy (12)C(6+) ion beam of 10, 30, 60, 90 or 120 Gy, followed by screening of resulting mutants on 24-well microplates, more than 500 mutants were obtained. One of those, named D90G-19, exhibited lipid productivity...
In this study, the adsorption and desorption kinetics of lanthanum (La) on micro algal cells was investigated. The internal transcribed spacer (ITS) and 18S ribosomal RNA gene (rRNA) were used for molecular identification of the species. The algal species were found to have 95-98% identities to Desmodesmus multivariabilis, Scenedesmus acuminutus, Chloroidium saccharophilum and Stichococcus baci...
The occurrence of three species belonging to the small coenobia forming green algae Desmodesmus and Didymocystis is reported from northernmost part Lake Tanganyika, East Africa. During a monitoring between September 2011 October 2013 highest number cells bicellularis comasii were observed in August September, at end dry season. On other hand, third taxon, cf. inermis , was only sporadically Mar...
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