A new section for Alternaria helianthiinficiens found on sunflower and new asteraceous hosts in Russia

Gannibal, Philipp B.; Орина, А. С.; Гасич, Е. Л.

doi:10.1007/s11557-022-01780-6

Cited by 9 publications

(7 citation statements)

References 17 publications

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“…In addition, morphological variation and fundamental pleomorphism complicate the Alternaria species recognition, and host plants reflect some evidences for the identification [ 3 ]. With the discovery of Alternaria species, it has been found from various plants of Compositae [ 1 , 4 , 21 , 42 , 43 ]. Alternaria calendulae has been reported from Calendula officinalis in Czech Republic [ 2 ], Germany [ 4 ], Japan [ 4 ], and Korea [ 44 ].…”

Section: Discussionmentioning

confidence: 99%

“…Over ten gene regions are used in the classification, such as the internal transcribed spacer region of rDNA (ITS), large subunit ribosomal DNA (LSU), mitochondrial small subunit (mtSSU), glyceraldehydes-3-phosphate dehydrogenase (GAPDH), Alternaria major allergen gene (Alt a 1), translation elongation factor 1-alpha (TEF1), RNA polymerase second largest subunit (RPB2), and plasma membrane ATPase [ 1 , 4 , 7 , 9 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ]. Alternaria has been separated into 29 sections and seven monotypic lineages [ 19 , 20 , 21 ]. The introduction of a molecular phylogenetic approach has helped to clarify their taxonomy, combining many allied genera into one large genus of Alternaria complex [ 1 ].…”

Section: Introductionmentioning

confidence: 99%

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New Species of Large-Spored Alternaria in Section Porri Associated with Compositae Plants in China

Zhao

Luo

Cheng

et al. 2022

JoF

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Alternaria is a ubiquitous fungal genus including saprobic, endophytic, and pathogenic species associated with a wide variety of substrates. It has been separated into 29 sections and seven monotypic lineages based on molecular and morphological data. Alternaria sect. Porri is the largest section, containing the majority of large-spored Alternaria species, most of which are important plant pathogens. Since 2015, of the investigations for large-spored Alternaria species in China, 13 species were found associated with Compositae plants based on morphological comparisons and phylogenetic analyses. There were eight known species and five new species (A. anhuiensis sp. nov., A. coreopsidis sp. nov., A. nanningensis sp. nov., A. neimengguensis sp. nov., and A. sulphureus sp. nov.) distributed in the four sections of Helianthiinficientes, Porri, Sonchi, and Teretispora, and one monotypic lineage (A. argyranthemi). The multi-locus sequence analyses encompassing the internal transcribed spacer region of rDNA (ITS), glyceraldehydes-3-phosphate dehydrogenase (GAPDH), Alternaria major allergen gene (Alt a 1), translation elongation factor 1-alpha (TEF1), and RNA polymerase second largest subunit (RPB2), revealed that the new species fell into sect. Porri. Morphologically, the new species were illustrated and compared with other relevant large-spored Alternaria species in the study. Furthermore, A. calendulae, A. leucanthemi, and A. tagetica were firstly detected in Brachyactis ciliate, Carthamus tinctorius, and Calendula officinalis in China, respectively.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

New Species of Large-Spored Alternaria in Section Porri Associated with Compositae Plants in China

Zhao

Luo

Cheng

et al. 2022

JoF

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“…In the last decade, the genus Alternaria has been taxonomically reevaluated based on several multi-gene phylogenetic analyses using a combination of various gene markers like the internal transcribed spacer of rDNA (ITS) and protein-coding genes, such as glyceraldehyde-3-phosphate dehydrogenase (gapdh), plasma membrane ATPase (ATPase), RNA polymerase second largest subunit (rpb2), and translation elongation factor 1-alpha (tef 1) [2,12,15]. As a result, the genus currently contains more than 380 species, which are distributed in 29 sections and seven monotypic lineages [4,7,[15][16][17][18]. The section Chalastospora, which was erected by Woudenberg et al [15] and typified by Alternaria cetera Diversity 2023, 15, 606 2 of 10 (E.G.…”

Section: Introductionmentioning

confidence: 99%

Alternaria muriformis sp. nov., a New Species in Section Chalastospora Isolated from Herbivore Dung in Spain

Iturrieta-González

Gené

2023

Diversity

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In a survey of the mycobiota from the dung of herbivorous animals collected in natural areas in Spain, an Alternaria isolate was found. Morphological data and a multi-locus phylogenetic approach carried out through Maximum Likelihood and Bayesian Inference analyses with three gene markers (i.e., the internal transcribed spacer of rDNA, glyceraldehyde-3-phosphate dehydrogenase, and plasma membrane ATPase) revealed that it represents a novel Alternaria species in Chalastospora. Alternaria muriformis sp. nov. is described and illustrated here. It is closely related to Alternaria abundans, Alternaria armoraciae, and Alternaria breviramosa, but can be easily differentiated by its production of muriform conidia. Key morphological features of the members of the Chalastospora section are provided.

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“…By combining seven loci, a consensus phylogeny was generated. Ghafri et al [37] introduced Alternaria section Omanenses in 2019, and Gannibal et al [38] introduced Alternaria section Helianthiinficiens in 2022, bring the total number of Alternaria species to 29 sections. Currently, a clear and stable phylogenetic classification has been established at the species level among Alternaria spp., providing a reliable basis for this study.…”

Section: Introductionmentioning

confidence: 99%

Alternaria arborescens and A. italica Causing Leaf Blotch on Celtis julianae in China

Liao,

Cao,

Wan

et al. 2023

Plants

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Celtis julianae Schneid. is widely planted as a versatile tree species with ecological and economic significance. In September 2022, a leaf blotch disease of C. julianae was observed in Nanjing, Jiangsu, China, with an infection incidence of 63%. The disease led to severe early defoliation, significantly affecting the ornamental and ecological value of the host tree. The accurate identification of pathogens is imperative to conducting further research and advancing disease control. Koch’s postulates confirmed that the fungal isolates (B1–B9) were pathogenic to C. julianae. The morphology of the characteristics of the pathogen matched those of Alternaria spp. The internal transcribed spacer region (ITS), large subunit (LSU) and small subunit (SSU) regions of rRNA, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), Alternaria major allergen gene (Alt a 1), RNA polymerase second largest subunit (RPB2), and portions of translation elongation factor 1-alpha (TEF1-α) genes were sequenced. Based on multi-locus phylogenetic analyses and morphology, the pathogenic fungi were identified as Alternaria arborescens and A. italica. The findings provided useful information for disease management and enhanced the understanding of Alternaria species diversity in China. This is the first report of A. arborescens and A. italica causing leaf blotch of C. julianae in China and worldwide.

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A new section for Alternaria helianthiinficiens found on sunflower and new asteraceous hosts in Russia

Cited by 9 publications

References 17 publications

New Species of Large-Spored Alternaria in Section Porri Associated with Compositae Plants in China

New Species of Large-Spored Alternaria in Section Porri Associated with Compositae Plants in China

Alternaria muriformis sp. nov., a New Species in Section Chalastospora Isolated from Herbivore Dung in Spain

Alternaria arborescens and A. italica Causing Leaf Blotch on Celtis julianae in China

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