Volume 8 - Issue 2 (SI Botryosphaeriales)


Article Number 1
Title

Special issue – Towards a better understanding of Botryosphaeriales

Authors

AJL Phillips

Received 07 February 2017
Accepted 08 February 2017
Published Online 08 February 2017
Corresponding Author Alan Philips – alan.jl.phillips@gmail.com
Abstract
Keywords
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Article Number 2
Title

Botryosphaeria rosaceae sp. nov. and B. ramosa, new botryosphaeriaceous taxa from China

Authors

Zhou YP, Zhang M, Dou ZhP, Zhang Y

Received 21 December 2016
Accepted 29 December 2016
Published Online 17 February 2017
Corresponding Author Ying Zhang – yinghku@gmail.com
Abstract

A new species of Botryosphaeria (B. rosaceae) is described and illustrated from Rosaceae in China. Phylogenetic analysis based on combined ITS, LSU, tef1-α and TUB loci supported its separation from another species of Botryosphaeria. Morphologically, B. rosaceae was comparable with B. sinensia, but the smaller and slenderer ascospores and conidia as well as the broader host spectrum of B. sinensia differentiate it from B. rosaceae. In addition, Botryosphaeria ramosa was found associated with an Acacia species in this study, which is a new host and first report in the Northern Hemisphere. 

Keywords Asia – Multilocus phylogeny – Rosaceae – Taxonomy
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Article Number 3
Title

Lasiodiplodia chinensis, a new holomorphic species from China

Authors

Dou ZP, He W, Zhang Y

Received 01 January 2017
Accepted 16 March 2017
Published Online 27 March 2017
Corresponding Author Zhang Ying – yinghku@gmail.com
Abstract

A new species of Lasiodiplodia (L. chinensis) is described and illustrated from several hosts collected from Hainan and Shandong Province in China. Both sexual and asexual states of L. chinensis were observed, which is characterized by its broadly clavate to clavate asci, fusiform, hyaline and aseptate ascospores, and initially hyaline, aseptate, ovoid to ellipsoid conidia that become pigmented and 1–2-septate with longitudinal striations when mature. Phylogenetically, L. chinensis is closely related to L. pseudotheobromae, L. sterculiae and L. lignicola. Morphological comparisons of these four species lead to the conclusion that the collected taxon is new to science

Keywords Botryosphaeriaceae – phylogeny – sexual morph – taxonomy
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Article Number 4
Title

Three species of Neofusicoccum (Botryosphaeriaceae, Botryosphaeriales) associated with woody plants from southern China

Authors

Zhang M, Lin S, He W, Zhang Y

Received 25 February 2017
Accepted 08 March 2017
Published Online 25 May 2017
Corresponding Author Y. Zhang & W. He – yinghku@gmail.com, hewei@bjfu.edu.cn
Abstract

Two new species, namely N. sinense and N. illicii, collected from Guizhou and Guangxi provinces in China, are described and illustrated. Phylogenetic analysis based on combined ITS, tef1-α and TUB loci supported their separation from other reported species of Neofusicoccum. Morphologically, the relatively large conidia of N. illicii, which become 1–3-septate and pale yellow when aged, can be distinguishable from all other reported species of Neofusicoccum. Phylogenetically, N. sinense is closely related to N. brasiliense, N. grevilleae and N. kwambonambiense. The smaller conidia of N. sinense, which have lower L/W ratio and become 1–2-septate when aged, differ from the other three species. Neofusicoccum mangiferae was isolated from the dieback symptoms of mango in Guangdong Province.

Keywords Asia – endophytes – Morphology– Taxonomy
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Article Number 5
Title

Does morphology matter in taxonomy of Lasiodiplodia? An answer from Lasiodiplodia hyalina sp. nov.

Authors

Dou ZP, He W, Zhang Y

Received 15 April 2017
Accepted 01 June 2017
Published Online 07 July 2017
Corresponding Author Ying Zhang – e-mail – yinghku@gmail.com
Abstract

A new species of Lasiodiplodia (L. hyalina) is described and illustrated from Acacia confusa and an unidentified woody plant collected in Southern China. Only asexual states of L. hyalina were observed, which is characterized by most conidia remaining hyaline with only about 10% conidia becoming pigmented after three months in culture. Phylogenetically, L. hyalina is closely related to L. thailandica. Morphologically, the larger conidiogenous cells and paraphyses of L. hyalina are distinct from those of L. thailandica, which leads to the conclusion that the collected taxon is new to science. Lasiodiplodia thailandica is reported as a new record in China with Podocarpus macrophyllus and Albizia chinensis as its new hosts.

Keywords Botryosphaeriaceae – China – hyaline conidia – phylogeny
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Article Number 6
Title

Dothiorella magnoliae, a new species associated with dieback of Magnolia grandiflora from China

Authors

You CJ, Liu X, Li LX, Tsui CKM, Tian CM

Received 04 May 2017
Accepted 25 May 2017
Published Online 24 July 2017
Corresponding Author Chengming Tian – e-mail – chengmt@bjfu.edu.cn
Abstract

Dothiorella magnoliae sp. nov. was identified and isolated from Magnolia grandiflora from Sichuan Province in China. The new taxon is described and illustrated based on unique morphological characteristics and phylogenetic analysis of the internal transcribed spacer (ITS) rDNA, and partial sequences of the elongation factor 1–α (tef1-α) gene. Morphologically, D. magnoliae produces conidia with conspicuous constriction at septum and it also differs from other described Dothiorella species in the dimensions of conidia. Molecular data reveal that D. magnoliae forms a sister clade to other species of Dothiorella, thus a new species is introduced here. 

Keywords
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Article Number 7
Title

Saprobic Botryosphaeriaceae, including Dothiorella italica sp. nov., associated with urban and forest trees in Italy

Authors

Dissanayake AJ, Camporesi E, Hyde KD, Yan JY, Li XH

Received 28 June 2017
Accepted 17 July 2017
Published Online 06 August 2017
Corresponding Author XingHong Li – e-mail – lixinghong1962@163.com
Abstract

A collection of saprobic botryosphaeriaceous isolates (from dead aerial branches, stems, and dead leaves) was obtain from urban and forest tree species in Italy. A total of 52 isolates were characterized by multi-locus sequence analysis of the internal transcribed spacer region (ITS) and partial sequences of the translation elongation factor 1-alpha (TEF). According to morphological characteristics and analysis of multi-gene sequence data, 14 species in Botryosphaeriaceae belonging to five genera, viz. Botryosphaeria, Diplodia, Dothiorella, Eutiarosporella and Neofusicoccum were identified, including Dothiorella italica sp. nov. The other known species isolated were Botryosphaeria dothidea, B. auasmontanum, Diplodia alatafructa, Di. crataegicola, Di. mutila, Di. sapinea, Di. seriata, Dothiorella omnivora, Do. rhamni, Do. sarmentorum, Do. sempervirentis, Eutiarosporella dactylidis and Neofusicoccum parvum. Of these, Botryosphaeria dothidea and Diplodia seriata were the most prevalent species among the isolates. Several new host-fungus relationships were established. This study indicates the fungal family Botryosphaeriaceae seems to be common and widespread on a broad range of hosts in Italy.

Keywords Botryosphaeriales – Botryosphaeria – Diplodia – Eutiarosporella – multigene phylogeny – Neofusicoccum
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Article Number 8
Title

Aplosporella ginkgonis (Aplosporellaceae, Botryosphaeriales), a new species isolated from Ginkgo biloba in China

Authors

Du Z, Fan XL, Yang Q, Hyde KD, Tian CM

Received 30 April 2017
Accepted 28 July 2017
Published Online 18 August 2017
Corresponding Author Chengming Tian – e-mail – chengmt@bjfu.edu.cn
Abstract

Aplosporella ginkgonis sp. nov., is described from symptomatic branches of Ginkgo biloba in China based on morphological and molecular analysis. It is characterized by multiloculate conidiomata, with one to four ostioles, and aseptate, brown, ellipsoid to oblong conidia. Morphological and phylogenetic analyses of ITS, and tef1-α sequence data, support the position of the new species in Aplosporella, which forms a monophyletic lineage with strong support (MP/BI = 100/1). Thus, a new species is introduced in this paper to accommodate this taxon.

Keywords Ascomycetous fungi – Canker disease – Dothideomycetes – Systematics – Taxonomy
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