Vittaliana mangrovei Devadatha, Nikita, A.Baghela & V.V.Sarma, gen. nov, sp. nov. (Phaeosphaeriaceae), from Mangroves Near Pondicherry (India), Based on Morphology and Multigene Phylogeny

IF 1.8 4区生物学 Q3 MYCOLOGY Cryptogamie Mycologie Pub Date : 2019-11-08 DOI:10.5252/cryptogamiemycologie2019v40a7

B. Devadatha, Nikita Mehta, D. Wanasinghe, A. Baghela, V. V. Sarma

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引用次数: 13

Abstract

ABSTRACT Collection and examination of decaying wood samples of Avicennia marina (Forssk.) Vierh. from Pondicherry mangroves, India, resulted in the discovery of a novel monotypic genus Vittaliana, based on the type species V. mangrovei, which shares close morphological affinities with Italica Wanas., Camporesi & K.D.Hyde and Phaeosphaeriopsis M.P.S. Câmara, M.E. Palm & A.W. Ramaley. The concatenated LSU, SSU, TEF1α and ITS multigene phylogenetic analyses revealed that the new genus clustered together with Italica as a sister clade but forms a separate branch. In addition, morphological variations in Vittaliana mangrovei Devadatha, Nikita, A.Baghela & V.V.Sarma, gen. nov., sp. nov., such as semi-immersed, globose to subglobose ascomata, 5-6 distoseptate, phragmosporous, yellow to golden-yellow ascospores lacking a mucilaginous sheath and any type of ornamentation, and which are strongly constricted at the 4th septum, clearly delineate the new genus from the other genera in Phaeosphaeriaceae. Furthermore, Vittaliana Devadatha, Nikita, A.Baghela & V.V.Sarma, gen. nov., is saprobic and occurs in marine environment. Morphological characteristics and phylogenetic relation of our new species are discussed by comparing with closely related genera in Phaeosphaeriaceae.

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Nikita, A.Baghela & V.V.Sarma, gen. nov, sp. nov (Phaeosphaeriaceae)，来自印度本地樱桃附近红树林的形态和多基因系统发育

【摘要】福斯克(Forssk)海桐木(Avicennia marina)腐木样品的采集与检验Vierh。在印度本地樱桃红树(Pondicherry mangroves)中发现了一个新的单型属Vittaliana，该属以模式种V. mangrovei为基础，与Italica Wanas具有密切的形态亲缘关系。， Camporesi & K.D.Hyde和Phaeosphaeriopsis M.P.S. c马拉，M.E. Palm & A.W. Ramaley。LSU、SSU、TEF1α和ITS多基因系统发育分析表明，新属与Italica聚在一起作为姐妹分支，但形成一个单独的分支。此外，Vittaliana mangrovei Devadatha, Nikita, A.Baghela & V.V.Sarma, nov.， sp. nov.的形态变化，如半浸没、球形到近球形的子囊孢子、5-6分裂、层状孢子、黄色到金黄色的子囊孢子，缺乏粘液鞘和任何类型的装饰，并且在第4隔处强烈收缩，清楚地将新属与Phaeosphaeriaceae的其他属区分出来。此外，Vittaliana Devadatha, Nikita, A.Baghela & V.V.Sarma, gen11 . 11 .是亵渎性的，发生在海洋环境中。通过与近缘属的比较，讨论了新种的形态特征和系统发育关系。

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来源期刊

Cryptogamie Mycologie 生物-真菌学

CiteScore

3.70

自引率

0.00%

发文量

审稿时长

12 months

期刊介绍： Cryptogamie is divided into three sections, each published as an individual publication: Cryptogamie, Bryologie, Cryptogamie, Algologie and Cryptogamie, Mycologie. Cryptogamie is a French journal of international scope publishing in several European languages. It accepts original papers and review articles on the systematics, biology and ecology of all cryptogams (algae; bryophytes; fungi and lichens, respectively).