Leontyev Dmitry V, Schnittler Martin, Moreno Gabriel, Stephenson Steven L, Mitchell David W, Rojas Carlos
Department of Biotechnology, Kharkiv State Zooveterinary Academy, Akademichna str. 1, Kharkiv, Ukraine 62134
Institute of Botany and Landscape Ecology, Ernst Moritz Arndt University Greifswald, Soldmannstr. 15, Greifswald, Germany 17487.
Mycologia. 2014 Sep-Oct;106(5):936-48. doi: 10.3852/13-314. Epub 2014 Jul 1.
Based on morphological investigations and a phylogeny constructed with partial sequences of the SSU rDNA gene, we revalidate the genus Alwisia and propose the combination Alwisia bombarda Berk. & Broome to be used against Tubifera bombarda (Berk. & Broome) G.W. Martin. Two new species, Alwisia morula and A. repens, are described based on material collected respectively in Costa Rica and Australia. Both new species lack a capillitium and possess individually stalked subspherical sporothecae. Alwisia repens differs from A. morula by its procumbent stalks and iridescent peridium. A comparison of 83 sequences of species in the genera Lycogala, Reticularia and Tubifera with a recent two-gene phylogeny of the bright-spored myxomycetes resulted in a similar topology of both Bayesian and maximum likelihood trees and placed A. bombarda, A. morula and A. repens in one well delimited clade within Reticulariaceae.
基于形态学研究以及利用小亚基核糖体DNA（SSU rDNA）基因部分序列构建的系统发育树，我们重新确认了阿尔维西亚属（Alwisia），并提出组合名称阿尔维西亚·邦巴达（Alwisia bombarda Berk. & Broome）以对抗管形黏菌（Tubifera bombarda (Berk. & Broome) G.W. Martin）。基于分别在哥斯达黎加和澳大利亚采集的材料，描述了两个新物种，即桑葚状阿尔维西亚（Alwisia morula）和匍匐状阿尔维西亚（A. repens）。这两个新物种均无孢丝，且具有单独着生柄的近球形子实体。匍匐状阿尔维西亚与桑葚状阿尔维西亚的区别在于其匍匐的柄和具虹彩的包被。将团毛菌属（Lycogala）、网孢菌属（Reticularia）和管形黏菌属的83个物种序列与近期亮孢子黏菌的双基因系统发育树进行比较，结果显示贝叶斯树和最大似然树具有相似的拓扑结构，并将邦巴达阿尔维西亚、桑葚状阿尔维西亚和匍匐状阿尔维西亚置于网孢菌科内一个界限分明的分支中。
