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문병렬,이옥민,Moon, Byeong-Ryeol,Lee, Ok-Min 한국조류학회(藻類) 2007 ALGAE Vol.22 No.1
To gain insights into the phylogenetic relationships of genus Staurastrum and Staurodesmus, we analyzed nuclearencoded small subunit rDNA of 82 strains, and chloroplast atpB gene sequences of 44 strains belonging to three genera (Staurastrum, Staurodesmus, Cosmarium). Excluding the Staurastrum muticum and S. orbiculare, forty five strains of genus Staurastrum formed a well supported clade. It was shown that with no cell wall sculpture and processes, these two species have a strong phylogenetic relationship with genus Staurodesmus. Therefore, it is strongly recommended to transfer Staurastrum without processes and cell wall sculpture into Staurodesmus. S. obsoletus is a taxa that is transferred from Cosmarium. But, from this study, it has shown a phylogenetic relationship with Cosmarium. Therefore, this species is strongly recommended to transfer back to Cosmarium instead of Staurodesmus. As it was studied before, genus Staurastrum has shown monophyletic. Since the genus taurodesmus groups with Cosmarium, they were shown to be polyphyletic.
한강 하류 수역의 식물플랑크톤의 계절적 분포와 우점종에 관한 연구
문병렬,이옥민 경기대학교 부설 기초과학연구소 2005 경기대학교 기초과학논문집 Vol.18 No.1
We investigated seasonally the distribution of phytoplankton and physico-chemical factors at four stations of downstream water in Han-river from April to October 2004. The phytoplankton collected in this study was totally 135 taxa that belongs to 4 phylums 4 classes 13 orders 5 suborders 19 families 2 subfamilies 52 genera 120 species 1 subspecies 14 varieties. Chrysophytes revealed to the dominant division that they occupied 72 taxa as 53.3% among totally occurring taxa. The indicator of clean water was Surirella splendida, and the indicator of pollition water was 20 taxa including Oscillatoria formosa in this study. In the seasonal analysis of water quality and phytoplanktons, it was appeared that the downstream waters of Han-river was polluted deeply at summer and autumn.
coxIII 유전자 염기서열 분석에 의한 팔장고말 COMPLEX(녹조식물문)의 계통 연구
문병렬,이옥민,Moon, Byeong-Ryeol,Lee, Ok-Min 한국조류학회(藻類) 2004 ALGAE Vol.19 No.3
The intergeneric relationship of Staurastrum complex including genus Arthrodesmus and Xanthidium was studied on the basis of mitochondrial coxⅢ sequence variation. Teiling's suggestion that Staurodesmus was an independent genus apart from genus Staurastrum, Arthrodesmus and Cosmarium was also reevaluated. The phylogeny inferred from coxⅢ gene was not consistent with morphological characteristics of Staurastrum complex. Genus Staurastrum was closely related to genus Xanthidium in the phylogenetic analysis of coxⅢ, but distant to genus Staurodesmus. The taxonomic treatment of genus Staurodesmus as an independent entity could not be determined, because Staurodesmus did not firm a monophyletic Glade. Therefore, genus Staurodesmus could not be treated as an independent genus as Prescott et al. (1982) claimed.
미토콘드리아 coxIII 유전자 염기서열에 의한 수 종의 한국산 장고말속 식물(녹조식물문)의 계통분류학적 유의성
문병렬,이옥민,Mun, Byeong-Ryeol,Lee, Ok-Min 한국조류학회(藻類) 2003 ALGAE Vol.18 No.3
It has been considered that genus Cosmarium including Staurastrum had the problems in grouping by morphological characters. Sequence data for the Cytochrome Oxidase subunit III (coxIII) were employed to compare with taxa of two divisions of this genus, with sections in each, for evaluating the taxonomic stability of these morphological characters. The division and section systems were not coincided with the phylogeny inferred from coxIII sequences, as the previous reports from us using nuclear rDNA ITS and chloroplast rbcL sequence comparisons in this genus. Two taxa of Staurastrum were not placed within a same clade each other, and one taxon of these was grouped in Arthrodesmus clade. Two genera, Cosmarium and Staurastrum, cannot be regarded as monophyletic from this result. Mitochondrial coxIII gene was considered as a useful phylogenetic tool to evaluate evolutionary relationships of desmids as in the case of land plants.