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Theissenia rogersii sp nov and phylogenetic position of Theissenia

机译:罗非鱼(Theissenia rogersii sp nov)和泰森(Theissenia)的系统发育位置。

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Theissenia rogersii deviates from known Theissenia species primarily in having large ascospores with a thick wall layer and a unique configuration of two stromatal tissue types, one carbonaceous and the other fibrous. The carbonaceous tissue forms palisades on and beneath the perithecial layer as well as encasing individual perithecia, whereas the fibrous tissue fills the spaces between columns of the palisades as well as between encased perithecia. Phylogenetic analyses based on DNA sequences of tubulin and alpha-actin genes placed Theissenia in the subfamily Hypoxyloideae among the genera that are characterized by having bipartite stromata (i.e. with the stromata differentiated into an outer dehiscing layer and an inner perithecium-bearing layer).
机译:罗氏假单胞菌与已知的Theissenia种不同,主要在于其大的子囊孢子具有厚的壁层,并且具有两种气孔组织类型的独特构型,一种是碳质的,另一种是纤维的。碳质组织在皮囊层上和皮下形成栅栏,并包裹单个的皮膜,而纤维组织填充木栅栏之间以及包裹的皮膜之间的空间。基于微管蛋白和α-肌动蛋白基因的DNA序列的系统发育分析将Theissenia置于该属中的次氧化亚科中,其特征是具有两层地层(即该层分化为外部开裂层和内部具有包皮层的层)。

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