An Italian Research Culture Collection of Wood Decay Fungi

Girometta, Carolina Elena; Bernicchia, Annarosa; Baiguera, Rebecca Michela; Bracco, Francesco; Buratti, Simone; Cartabia, Marco; Picco, Anna Maria; Savino, Elena

doi:10.3390/d12020058

Cited by 20 publications

(10 citation statements)

References 56 publications

(67 reference statements)

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“…Orchard epidemics may start from infected wood remaining in the soil after land was cleared of forest trees to establish the plantations, or from roots of shelterbelt trees that had been felled, and whose stumps had been colonised by basidiospores [22]. Despite the wide geographical distribution of D. tabescens and its occurrence in southern Europe [41][42][43], the current work is the first report of kiwifruit infection in Italy. Moreover, the isolation of D. tabescens from kiwifruit vines has not been confirmed in previous studies.…”

Section: Discussionmentioning

confidence: 87%

Pathogens Associated to Kiwifruit Vine Decline in Italy

Donati¹,

Cellini²,

Sangiorgio³

et al. 2020

Agriculture

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Kiwifruit production has gained great importance in Italy, becoming a strategic crop in several areas. In recent years, the Italian kiwifruit industry has been threatened by the emergence of a new, idiopathic syndrome causing a severe and rapid decline, leading to vine collapse within two years from symptom development. The main symptoms associated to this syndrome are the disappearance of feeding roots, blocking of both stele and xylem vessels, root cortex breakdown, leaf necrosis, phylloptosis, twig wilting and plant death. Kiwifruit decline affects both Actinidia chinensis var. chinensis and A. chinensis var. deliciosa. Due to the similarity with other fruit trees idiopathic diseases, such as the rapid apple decline, we propose to name this disorder as kiwifruit vine decline syndrome (KVDS). The causes of KVDS are still unknown. However, KVDS is prevalent in soils affected by waterlogging or poor aeration, suggesting a physiological origin of this disorder. In addition, our experiments suggested a role of the rhizosphere microbial community, since healthy and KVDS-affected plants show distinct bacterial and fungal communities. Phytophthora spp. and Phytopythium spp. were more frequent in symptomatic plants (58.6%) than in asymptomatic ones (19%). Moreover, Desarmillaria tabescens were found only on symptomatic plants. Inoculation of potted kiwifruit vines with those pathogens resulted in KVDS symptom development. Finally, induced waterlogging conditions increased the incidence of pathogen isolation, but not the symptom development.

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Section: Discussionmentioning

confidence: 87%

Pathogens Associated to Kiwifruit Vine Decline in Italy

Donati¹,

Cellini²,

Sangiorgio³

et al. 2020

Agriculture

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“…The taxa of Xylodon are a typical example group of wood-rotting fungi, which is an extensively studied group of Basidiomycota [3,11,[66][67][68][69][70][71][72]. Currently, 30 species of Xylodon were recorded in China [20,22,23,26,30,36,43,73].…”

Section: Discussionmentioning

confidence: 99%

Additions to the Knowledge of Corticioid Xylodon (Schizoporaceae, Hymenochaetales): Introducing Three New Xylodon Species from Southern China

Luo

Zhao

2021

Diversity

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Three wood-inhabiting fungal species, Xylodon gossypinus, X. macrosporus, and X. sinensis spp. nov. were collected from southern China, with the similar function to decompose rotten wood, which are here proposed as new taxa based on a combination of morphological features and molecular evidence. Xylodon gossypinus is characterized by the resupinate basidiomata with cotton hymenophore, and ellipsoid basidiospores; X.macrosporus is characterized by the resupinate basidiomata having the cracking hymenophore with pale yellowish hymenial surface, and larger basidiospores 8–10.5 × 7.5–9 µm; and X. sinensis differs by its grandinioid hymenial surface and subglobose basidiospores measuring as 3–5 × 2.5–4 µm. Sequences of ITS and nLSU rRNA markers of the studied samples were generated, and phylogenetic analyses were performed with maximum likelihood, maximum parsimony, and Bayesian inference methods. The ITS+nLSU analysis in Hymenochaetales revealed that the three new species clustered into the Schizoporaceae family, located in genus Xylodon; based on the ITS dataset, X. gossypinus was a sister to X. ussuriensis; X. macrosporus closely grouped with X.follis with a high support; and X.sinensis was retrieved as two sisters to X. attenuatus and X. yarraensis with a lower support.

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“…In their geographical distribution and ecological preferences, the members of Xylodon are widespread and primarily wood decomposers, causing a white-rot of woody substrates, which are widely distributed in various forest ecosystems from boreal, temperate, subtropical, to tropical zones [16,55]. Some taxa of Xylodon have been collected on rotten trunks and stumps of conifers and angiosperms, bamboo, and ferns [3,12,32,34,44,[56][57][58][59][60][61][62][63][64][65][66][67][68][69][70][71][72].…”

Section: Discussionmentioning

confidence: 99%

A Phylogenetic and Taxonomic Study on Xylodon (Hymenochaetales): Focusing on Three New Xylodon Species from Southern China

Wang

Zhao

2021

JoF

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Three wood-inhabiting fungal species, Xylodon laceratus, X. montanus, and X. tropicus spp. nov., were collected from southern China, here proposed as new taxa based on a combination of morphological features and molecular evidence. Xylodon laceratus is characterized by the resupinate basidiomata with grandinioid hymenophore having cracked hymenial surface, and ellipsoid basidiospores; X. montanus is characterized by the annual basidiomata having the hard, brittle hymenophore with cream hymenial surface, and ellipsoid to broadly ellipsoid basidiospores (3.9–5.3 × 3.2–4.3 µm); and X. tropicus is characterized by its grandinioid hymenophore with buff to a pale brown hymenial surface and subglobose basidiospores measuring 2–4.8 × 1.6–4 µm. Sequences of ITS and nLSU rRNA markers of the studied samples were generated, and phylogenetic analyses were performed with maximum likelihood, maximum parsimony, and Bayesian inference methods. The ITS+nLSU analysis of the order Hymenochaetales indicated that the three new species clustered into the family Schizoporaceae, located in genus Xylodon; based on further analysis of ITS dataset, X. laceratus was a sister to X. heterocystidiatus; X. montanus closely grouped with X. subclavatus and X. xinpingensis with high support; while X. tropicus was retrieved as a sister to X. hastifer.

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An Italian Research Culture Collection of Wood Decay Fungi

Cited by 20 publications

References 56 publications

Pathogens Associated to Kiwifruit Vine Decline in Italy

Pathogens Associated to Kiwifruit Vine Decline in Italy

Additions to the Knowledge of Corticioid Xylodon (Schizoporaceae, Hymenochaetales): Introducing Three New Xylodon Species from Southern China

A Phylogenetic and Taxonomic Study on Xylodon (Hymenochaetales): Focusing on Three New Xylodon Species from Southern China

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