Short Communication: Fusarium as endophyte of some terrestrial orchid from Papua, Indonesia

Sufaati, Supeni; Agustini, Verena; Suharno, Suharno

doi:10.13057/biodiv/d170149

Cited by 10 publications

(8 citation statements)

References 14 publications

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“… 52 Endophytic Fusarium promoted seed germination in Cypripedium and Platanthera . 53 As reported, fungus-plant interactions can easily shift from mutualism to parasitism depending on the plant’s physiology and environmental conditions. 54 These studies showed that it is necessary to explore the role of endophytic and nonpathogenic Fusarium strains in controlling pathogens and promoting germination and development of orchid species.…”

Section: Discussionmentioning

confidence: 95%

Isolation and identification of beneficial orchid mycorrhizal fungi in Paphiopedilum barbigerum (Orchidaceae)

Fan

Liao

Wang

et al. 2021

Plant Signaling & Behavior

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Seed germination and seedling development in nearly all orchid species rely on a symbiotic relationship with mycorrhizal fungi; however, this is not the case with all mycorrhizal fungi. This study aims to provide an understanding about the important role of mycorrhiza in seed germination and growth of Paphiopedilum barbigerum . Therefore, we isolated and identified endophytic fungi from the roots of wild P. barbigerum . The beneficial mycorrhizal fungi Epulorhiza sp. FQXY019 and Tulasnella calospora FQXY017 were screened by seed symbiotic germination tests and found to promote seed germination. However, only the seeds inoculated with FQXY019 progressed from the seed germination to rooting stage. This shows that mycorrhizal fungi and P. barbigerum have a specific relation at different growth phases. In addition, we selected FQXY019 and inoculated it into MS medium, B5 medium, OMA medium, and PDA medium. The results showed that FQXY019 co-cultured on PDA significantly promoted the increase in seedling fresh weight, leaf length, and root length ( p < .01). Furthermore, it significantly promoted the root number and leaf number of seedlings compared with those co-cultured on MS, B5, and OMA media and control ( p < .05). Thus, this study demonstrated the promoting effect of Epulorhiza sp. FQXY019 on seed germination and seedling development, making it an alternative method for the artificial propagation of P. barbigerum.

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Section: Discussionmentioning

confidence: 95%

Isolation and identification of beneficial orchid mycorrhizal fungi in Paphiopedilum barbigerum (Orchidaceae)

Fan

Liao

Wang

et al. 2021

Plant Signaling & Behavior

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“…and Helotiales (e.g., Helotiaceae and Hyaloscyphaceae) are the main ONF associated with tropical and temperate orchids, respectively; Chaetothyriales, Hypocreales, Helotiales, and Capnodiales are also frequent in tropical epiphytic orchids (Bayman et al, 1997;Dearnaley et al, 2012;Oliveira et al, 2014;Govinda Rajulu et al, 2016;Jacquemyn et al, 2016a;Beltrán-Nambo et al, 2018;Novotná et al, 2018). In addition, Colletotrichum, Fusarium, and Trichoderma fungi are generally found in the roots of various orchids from tropical and temperate zones (Martos et al, 2012;Tao et al, 2013;Sufaati et al, 2016;Salazar-Cerezo et al, 2018;Sisti et al, 2019;Sarsaiya et al, 2020).…”

Section: Orchid Non-mycorrhizal Fungal Diversitymentioning

confidence: 99%

Progress and Prospects of Mycorrhizal Fungal Diversity in Orchids

Yang

et al. 2021

Front. Plant Sci.

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Orchids form mycorrhizal symbioses with fungi in natural habitats that affect their seed germination, protocorm growth, and adult nutrition. An increasing number of studies indicates how orchids gain mineral nutrients and sometime even organic compounds from interactions with orchid mycorrhizal fungi (OMF). Thus, OMF exhibit a high diversity and play a key role in the life cycle of orchids. In recent years, the high-throughput molecular identification of fungi has broadly extended our understanding of OMF diversity, revealing it to be a dynamic outcome co-regulated by environmental filtering, dispersal restrictions, spatiotemporal scales, biogeographic history, as well as the distribution, selection, and phylogenetic spectrum width of host orchids. Most of the results show congruent emerging patterns. Although it is still difficult to extend them to all orchid species or geographical areas, to a certain extent they follow the “everything is everywhere, but the environment selects” rule. This review provides an extensive understanding of the diversity and ecological dynamics of orchid-fungal association. Moreover, it promotes the conservation of resources and the regeneration of rare or endangered orchids. We provide a comprehensive overview, systematically describing six fields of research on orchid-fungal diversity: the research methods of orchid-fungal interactions, the primer selection in high-throughput sequencing, the fungal diversity and specificity in orchids, the difference and adaptability of OMF in different habitats, the comparison of OMF in orchid roots and soil, and the spatiotemporal variation patterns of OMF. Further, we highlight certain shortcomings of current research methodologies and propose perspectives for future studies. This review emphasizes the need for more information on the four main ecological processes: dispersal, selection, ecological drift, and diversification, as well as their interactions, in the study of orchid-fungal interactions and OMF community structure.

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“…F.oxysporum fungusları genellikle orkidelerde endofit olarak bulunduğu bildirilmiştir (Ma ve ark. 2015, Sufaati 2016. Serapias vomeracea subsp.…”

Section: Doğu Ve Orta Karadeniz 'De Farklı Lokalitelerden Alınanunclassified

Mycorrhizal fungi diversity of Serapias orientalis

Mutlu

2020

Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi

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Özet Orkideler, yumrularının aşırı toplanması ve habitatlarının ciddi şekilde tahrip olması sonucu yok olma tehdidi altındadır. Doğada orkidelerin korunması mikorizal fungus biyolojik çeşitliliğinin varlığına bağlıdır. Bu çalışmada, Orta ve Doğu Karadeniz bölgesinde 4 ilin (Samsun, Ordu, Giresun, Trabzon) sınırları içinde farklı habitatlardan toplanan Serapias orieantalis (Greuter) Bauman H, Künkele köklerindeki mikorizal fungusların moleküler tanımlaması yapılmıştır. Bitki kökleri 2015 bahar aylarında toplanmış ve önce mikroskopta incelenerek mikorizal funguslar izole edilmiştir. Saflaştırılan izolatlar, koloni özellikleri (koloni tipi, koloni rengi), hif yapısı (hif çapı ve dallanma yapısı) ve çekirdek sayılarının belirlenmesi amacıyla PDA (patates dektroz agar) ortamında geliştirilmiştir. İzolatları morfolojik özelliklerine göre gruplandırmak için küme analizi (UPGMA) yöntemi uygulanmış ve kladogram oluşturulmuştur. Kümeleme analizine göre oluşturulan 3 grubun izolatlarını moleküler düzeyde tanımlayabilmek için ITS-1 ve ITS-4 primerleri kullanılarak nüklear ribozomal DNA (rDNA)'nın ITS1-5.8S-ITS2 gen bölgesi çoğaltılmıştır. DNA dizilimine dayanarak, 13 Rhizoctonia benzeri izolatın Tulasnella cinsi ile 2 Rhizoctonia benzeri olmayan izolatın Fusarium oxysporum Schltdl. türü ile yakın ilişkili olduğu bulunmuştur.

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Short Communication: Fusarium as endophyte of some terrestrial orchid from Papua, Indonesia

Cited by 10 publications

References 14 publications

Isolation and identification of beneficial orchid mycorrhizal fungi in Paphiopedilum barbigerum (Orchidaceae)

Isolation and identification of beneficial orchid mycorrhizal fungi in Paphiopedilum barbigerum (Orchidaceae)

Progress and Prospects of Mycorrhizal Fungal Diversity in Orchids

Mycorrhizal fungi diversity of Serapias orientalis

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